STM32L5: add API L5 family files

pull/12306/head
jeromecoutant 2020-01-08 15:44:14 +01:00
parent 5d59c99b99
commit bee5d44a1f
18 changed files with 2336 additions and 0 deletions

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_PERIPHERALNAMES_H
#define MBED_PERIPHERALNAMES_H
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ADC_1 = (int)ADC1_BASE,
ADC_2 = (int)ADC2_BASE
} ADCName;
typedef enum {
DAC_1 = (int)DAC_BASE
} DACName;
typedef enum {
UART_1 = (int)USART1_BASE,
UART_2 = (int)USART2_BASE,
UART_3 = (int)USART3_BASE,
UART_4 = (int)UART4_BASE,
UART_5 = (int)UART5_BASE,
LPUART_1 = (int)LPUART1_BASE
} UARTName;
typedef enum {
SPI_1 = (int)SPI1_BASE,
SPI_2 = (int)SPI2_BASE,
SPI_3 = (int)SPI3_BASE
} SPIName;
typedef enum {
I2C_1 = (int)I2C1_BASE,
I2C_2 = (int)I2C2_BASE,
I2C_3 = (int)I2C3_BASE,
I2C_4 = (int)I2C4_BASE
} I2CName;
typedef enum {
PWM_1 = (int)TIM1_BASE,
PWM_2 = (int)TIM2_BASE,
PWM_3 = (int)TIM3_BASE,
PWM_4 = (int)TIM4_BASE,
PWM_5 = (int)TIM5_BASE,
PWM_8 = (int)TIM8_BASE,
PWM_15 = (int)TIM15_BASE,
PWM_16 = (int)TIM16_BASE,
PWM_17 = (int)TIM17_BASE
} PWMName;
typedef enum {
CAN_1 = (int)FDCAN1_BASE
} CANName;
typedef enum {
QSPI_1 = (int)OCTOSPI1_R_BASE
} QSPIName;
typedef enum {
USB_FS = (int)USB_BASE,
} USBName;
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "mbed_assert.h"
#include "analogin_api.h"
#if DEVICE_ANALOGIN
#include "mbed_wait_api.h"
#include "cmsis.h"
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
#if STATIC_PINMAP_READY
#define ANALOGIN_INIT_DIRECT analogin_init_direct
void analogin_init_direct(analogin_t *obj, const PinMap *pinmap)
#else
#define ANALOGIN_INIT_DIRECT _analogin_init_direct
static void _analogin_init_direct(analogin_t *obj, const PinMap *pinmap)
#endif
{
uint32_t function = (uint32_t)pinmap->function;
// Get the peripheral name from the pin and assign it to the object
obj->handle.Instance = (ADC_TypeDef *)pinmap->peripheral;
// ADC Internal Channels "pins" (Temperature, Vref, Vbat, ...)
// are described in PinNames.h and PeripheralPins.c
// Pin value must be between 0xF0 and 0xFF
if ((pinmap->pin < 0xF0) || (pinmap->pin >= 0x100)) {
// Configure GPIO
pin_function(pinmap->pin, pinmap->function);
pin_mode(pinmap->pin, PullNone);
} else {
// Internal channels
// No GPIO configuration for internal channels
}
MBED_ASSERT(obj->handle.Instance != (ADC_TypeDef *)NC);
MBED_ASSERT(function != (uint32_t)NC);
obj->channel = STM_PIN_CHANNEL(function);
// Save pin number for the read function
obj->pin = pinmap->pin;
// Configure ADC object structures
obj->handle.State = HAL_ADC_STATE_RESET;
obj->handle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV2; // Asynchronous clock mode, input ADC clock
obj->handle.Init.Resolution = ADC_RESOLUTION_12B;
obj->handle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
obj->handle.Init.ScanConvMode = DISABLE; // Sequencer disabled (ADC conversion on only 1 channel: channel set on rank 1)
obj->handle.Init.EOCSelection = ADC_EOC_SINGLE_CONV; // On STM32L1xx ADC, overrun detection is enabled only if EOC selection is set to each conversion (or transfer by DMA enabled, this is not the case in this example).
obj->handle.Init.LowPowerAutoWait = DISABLE;
obj->handle.Init.ContinuousConvMode = DISABLE; // Continuous mode disabled to have only 1 conversion at each conversion trig
obj->handle.Init.NbrOfConversion = 1; // Parameter discarded because sequencer is disabled
obj->handle.Init.DiscontinuousConvMode = DISABLE; // Parameter discarded because sequencer is disabled
obj->handle.Init.NbrOfDiscConversion = 1; // Parameter discarded because sequencer is disabled
obj->handle.Init.ExternalTrigConv = ADC_SOFTWARE_START; // Software start to trig the 1st conversion manually, without external event
obj->handle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
obj->handle.Init.DMAContinuousRequests = DISABLE;
obj->handle.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN; // DR register is overwritten with the last conversion result in case of overrun
obj->handle.Init.OversamplingMode = DISABLE; // No oversampling
#if defined(ADC_CFGR_DFSDMCFG) &&defined(DFSDM1_Channel0)
obj->handle.Init.DFSDMConfig = 0;
#endif
// Enable ADC clock
__HAL_RCC_ADC_CLK_ENABLE();
__HAL_RCC_ADC_CONFIG(RCC_ADCCLKSOURCE_SYSCLK);
if (HAL_ADC_Init(&obj->handle) != HAL_OK) {
error("Cannot initialize ADC\n");
}
// ADC calibration is done only once
if (!HAL_ADCEx_Calibration_GetValue(&obj->handle, ADC_SINGLE_ENDED)) {
HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
}
}
void analogin_init(analogin_t *obj, PinName pin)
{
int peripheral;
int function;
if ((pin < 0xF0) || (pin >= 0x100)) {
peripheral = (int)pinmap_peripheral(pin, PinMap_ADC);
function = (int)pinmap_find_function(pin, PinMap_ADC);
} else {
peripheral = (int)pinmap_peripheral(pin, PinMap_ADC_Internal);
function = (int)pinmap_find_function(pin, PinMap_ADC_Internal);
}
const PinMap static_pinmap = {pin, peripheral, function};
ANALOGIN_INIT_DIRECT(obj, &static_pinmap);
}
uint16_t adc_read(analogin_t *obj)
{
ADC_ChannelConfTypeDef sConfig = {0};
// Configure ADC channel
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_47CYCLES_5; // default value (1.5 us for 80MHz clock)
sConfig.SingleDiff = ADC_SINGLE_ENDED;
sConfig.OffsetNumber = ADC_OFFSET_NONE;
sConfig.Offset = 0;
switch (obj->channel) {
case 0:
sConfig.Channel = ADC_CHANNEL_VREFINT;
sConfig.SamplingTime = ADC_SAMPLETIME_247CYCLES_5; // Minimum ADC sampling time when reading the internal reference voltage is 4us
break;
case 1:
sConfig.Channel = ADC_CHANNEL_1;
break;
case 2:
sConfig.Channel = ADC_CHANNEL_2;
break;
case 3:
sConfig.Channel = ADC_CHANNEL_3;
break;
case 4:
sConfig.Channel = ADC_CHANNEL_4;
break;
case 5:
sConfig.Channel = ADC_CHANNEL_5;
break;
case 6:
sConfig.Channel = ADC_CHANNEL_6;
break;
case 7:
sConfig.Channel = ADC_CHANNEL_7;
break;
case 8:
sConfig.Channel = ADC_CHANNEL_8;
break;
case 9:
sConfig.Channel = ADC_CHANNEL_9;
break;
case 10:
sConfig.Channel = ADC_CHANNEL_10;
break;
case 11:
sConfig.Channel = ADC_CHANNEL_11;
break;
case 12:
sConfig.Channel = ADC_CHANNEL_12;
break;
case 13:
sConfig.Channel = ADC_CHANNEL_13;
break;
case 14:
sConfig.Channel = ADC_CHANNEL_14;
break;
case 15:
sConfig.Channel = ADC_CHANNEL_15;
break;
case 16:
sConfig.Channel = ADC_CHANNEL_16;
break;
case 17:
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
sConfig.SamplingTime = ADC_SAMPLETIME_247CYCLES_5; // Minimum ADC sampling time when reading the temperature is 5us
break;
case 18:
sConfig.Channel = ADC_CHANNEL_VBAT;
sConfig.SamplingTime = ADC_SAMPLETIME_640CYCLES_5; // Minimum ADC sampling time when reading the VBAT is 12us
break;
default:
return 0;
}
HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
HAL_ADC_Start(&obj->handle); // Start conversion
// Wait end of conversion and get value
uint16_t adcValue = 0;
if (HAL_ADC_PollForConversion(&obj->handle, 10) == HAL_OK) {
adcValue = (uint16_t)HAL_ADC_GetValue(&obj->handle);
}
LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE((&obj->handle)->Instance), LL_ADC_PATH_INTERNAL_NONE);
return adcValue;
}
const PinMap *analogin_pinmap()
{
return PinMap_ADC;
}
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "mbed_assert.h"
#include "analogout_api.h"
#if DEVICE_ANALOGOUT
#include "cmsis.h"
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
// These variables are used for the "free" function
static int channel1_used = 0;
static int channel2_used = 0;
#if STATIC_PINMAP_READY
#define ANALOGOUT_INIT_DIRECT analogout_init_direct
void analogout_init_direct(dac_t *obj, const PinMap *pinmap)
#else
#define ANALOGOUT_INIT_DIRECT _analogout_init_direct
static void _analogout_init_direct(dac_t *obj, const PinMap *pinmap)
#endif
{
DAC_ChannelConfTypeDef sConfig = {0};
// Get the peripheral name from the pin and assign it to the object
obj->dac = (DACName)pinmap->peripheral;
MBED_ASSERT(obj->dac != (DACName)NC);
// Get the pin function and assign the used channel to the object
uint32_t function = (uint32_t)pinmap->function;
MBED_ASSERT(function != (uint32_t)NC);
switch (STM_PIN_CHANNEL(function)) {
case 1:
obj->channel = DAC_CHANNEL_1;
break;
#if defined(DAC_CHANNEL_2)
case 2:
obj->channel = DAC_CHANNEL_2;
break;
#endif
default:
error("Unknown DAC channel");
break;
}
// Configure GPIO
pin_function(pinmap->pin, pinmap->function);
pin_mode(pinmap->pin, PullNone);
// Save the pin for future use
obj->pin = pinmap->pin;
// Enable DAC clock
__HAL_RCC_DAC1_CLK_ENABLE();
// Configure DAC
obj->handle.Instance = DAC;
obj->handle.State = HAL_DAC_STATE_RESET;
if (HAL_DAC_Init(&obj->handle) != HAL_OK) {
error("HAL_DAC_Init failed");
}
sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
if (obj->channel == DAC_CHANNEL_1) {
channel1_used = 1;
} else { // channel 1 per default
channel2_used = 1;
}
if (HAL_DAC_ConfigChannel(&obj->handle, &sConfig, obj->channel) != HAL_OK) {
error("Cannot configure DAC channel\n");
}
analogout_write_u16(obj, 0);
}
void analogout_init(dac_t *obj, PinName pin)
{
int peripheral = (int)pinmap_peripheral(pin, PinMap_DAC);
int function = (int)pinmap_find_function(pin, PinMap_DAC);
const PinMap static_pinmap = {pin, peripheral, function};
ANALOGOUT_INIT_DIRECT(obj, &static_pinmap);
}
void analogout_free(dac_t *obj)
{
// Reset DAC and disable clock
if (obj->channel == DAC_CHANNEL_1) {
channel1_used = 0;
}
#if defined(DAC_CHANNEL_2)
if (obj->channel == DAC_CHANNEL_2) {
channel2_used = 0;
}
#endif
if ((channel1_used == 0) && (channel2_used == 0)) {
__HAL_RCC_DAC1_FORCE_RESET();
__HAL_RCC_DAC1_RELEASE_RESET();
__HAL_RCC_DAC1_CLK_DISABLE();
}
// Configure GPIO
pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
}
const PinMap *analogout_pinmap()
{
return PinMap_DAC;
}
#endif // DEVICE_ANALOGOUT

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_CAN_DEVICE_H
#define MBED_CAN_DEVICE_H
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
#if DEVICE_CAN
#define CAN_NUM 1 // Number of CAN peripherals present in the STM32 serie
#define CAN1_IRQ_RX_IRQN CAN1_RX0_IRQn
#define CAN1_IRQ_RX_VECT CAN1_RX0_IRQHandler
#define CAN1_IRQ_TX_IRQN CAN1_TX_IRQn
#define CAN1_IRQ_TX_VECT CAN1_TX_IRQHandler
#define CAN1_IRQ_ERROR_IRQN CAN1_SCE_IRQn
#define CAN1_IRQ_ERROR_VECT CAN1_SCE_IRQHandler
#define CAN1_IRQ_PASSIVE_IRQN CAN1_SCE_IRQn
#define CAN1_IRQ_PASSIVE_VECT CAN1_SCE_IRQHandler
#define CAN1_IRQ_BUS_IRQN CAN1_SCE_IRQn
#define CAN1_IRQ_BUS_VECT CAN1_SCE_IRQHandler
#endif // DEVICE_CAN
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_CMSIS_H
#define MBED_CMSIS_H
#include "stm32l5xx.h"
#include "cmsis_nvic.h"
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "flash_api.h"
#if DEVICE_FLASH
/**
* @brief Gets the page of a given address
* @param Addr: Address of the FLASH Memory
* @retval The page of a given address
*/
static uint32_t GetPage(uint32_t Addr)
{
uint32_t page = 0;
if (READ_BIT(FLASH->OPTR, FLASH_OPTR_DBANK) != 0U) {
if (Addr < (FLASH_BASE + FLASH_BANK_SIZE)) {
/* Bank 1 */
page = (Addr - FLASH_BASE) / FLASH_PAGE_SIZE;
} else {
/* Bank 2 */
page = (Addr - (FLASH_BASE + FLASH_BANK_SIZE)) / FLASH_PAGE_SIZE;
}
} else {
page = (Addr - FLASH_BASE) / FLASH_PAGE_SIZE_128_BITS;
}
return page;
}
/**
* @brief Gets the bank of a given address
* @param Addr: Address of the FLASH Memory
* @retval The bank of a given address
*/
static uint32_t GetBank(uint32_t Addr)
{
uint32_t bank = 0;
if (READ_BIT(FLASH->OPTR, FLASH_OPTR_DBANK) != 0U) {
if (Addr < (FLASH_BASE + FLASH_BANK_SIZE)) {
bank = FLASH_BANK_1;
} else {
bank = FLASH_BANK_2;
}
} else {
bank = FLASH_BANK_1;
}
return bank;
}
/** Initialize the flash peripheral and the flash_t object
*
* @param obj The flash object
* @return 0 for success, -1 for error
*/
int32_t flash_init(flash_t *obj)
{
#ifdef TARGET_TFM
/* TFM implementation needs dual bank configuration */
if (READ_BIT(FLASH->OPTR, FLASH_OPTR_DBANK) != 0U) {
return 0;
} else {
return -1;
}
#else
return 0;
#endif
}
/** Uninitialize the flash peripheral and the flash_t object
*
* @param obj The flash object
* @return 0 for success, -1 for error
*/
int32_t flash_free(flash_t *obj)
{
return 0;
}
static int32_t flash_unlock(void)
{
/* Allow Access to Flash control registers and user Falsh */
if (HAL_FLASH_Unlock()) {
return -1;
} else {
return 0;
}
}
static int32_t flash_lock(void)
{
/* Disable the Flash option control register access (recommended to protect
the option Bytes against possible unwanted operations) */
if (HAL_FLASH_Lock()) {
return -1;
} else {
return 0;
}
}
/** Erase one sector starting at defined address
*
* The address should be at sector boundary. This function does not do any check for address alignments
* @param obj The flash object
* @param address The sector starting address
* @return 0 for success, -1 for error
*/
int32_t flash_erase_sector(flash_t *obj, uint32_t address)
{
uint32_t FirstPage = 0, BankNumber = 0;
uint32_t PAGEError = 0;
FLASH_EraseInitTypeDef EraseInitStruct;
if ((address >= (flash_get_start_address(obj) + flash_get_size(obj))) || (address < flash_get_start_address(obj))) {
return -1;
}
if (flash_unlock() != HAL_OK) {
return -1;
}
/* Clear error programming flags */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS);
/* Get the 1st page to erase */
FirstPage = GetPage(address);
/* MBED HAL erases 1 page / sector at a time */
/* Get the bank */
BankNumber = GetBank(address);
/* Fill EraseInit structure*/
EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInitStruct.Banks = BankNumber;
EraseInitStruct.Page = FirstPage;
EraseInitStruct.NbPages = 1;
if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK) {
return -1;
}
if (flash_lock() != HAL_OK) {
return -1;
}
return 0;
}
/** Program one page starting at defined address
*
* The page should be at page boundary, should not cross multiple sectors.
* This function does not do any check for address alignments or if size
* is aligned to a page size.
* @param obj The flash object
* @param address The sector starting address
* @param data The data buffer to be programmed
* @param size The number of bytes to program
* @return 0 for success, -1 for error
*/
int32_t flash_program_page(flash_t *obj, uint32_t address,
const uint8_t *data, uint32_t size)
{
uint32_t StartAddress = 0;
int32_t status = 0;
if ((address >= (flash_get_start_address(obj) + flash_get_size(obj))) || (address < flash_get_start_address(obj))) {
return -1;
}
if ((size % 8) != 0) {
/* L4 flash devices can only be programmed 64bits/8 bytes at a time */
return -1;
}
if (flash_unlock() != HAL_OK) {
return -1;
}
/* Clear error programming flags */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS);
/* Program the user Flash area word by word */
StartAddress = address;
/* HW needs an aligned address to program flash, which data
* parameters doesn't ensure */
if ((uint32_t) data % 4 != 0) {
volatile uint64_t data64;
while ((address < (StartAddress + size)) && (status == 0)) {
for (uint8_t i = 0; i < 8; i++) {
*(((uint8_t *) &data64) + i) = *(data + i);
}
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, address, data64)
== HAL_OK) {
address = address + 8;
data = data + 8;
} else {
status = -1;
}
}
} else { /* case where data is aligned, so let's avoid any copy */
while ((address < (StartAddress + size)) && (status == 0)) {
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, address,
*((uint64_t *) data))
== HAL_OK) {
address = address + 8;
data = data + 8;
} else {
status = -1;
}
}
}
status = flash_unlock();
return status;
}
/** Get sector size
*
* @param obj The flash object
* @param address The sector starting address
* @return The size of a sector
*/
uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
{
if ((address >= (flash_get_start_address(obj) + flash_get_size(obj))) || (address < flash_get_start_address(obj))) {
return MBED_FLASH_INVALID_SIZE;
} else {
if (READ_BIT(FLASH->OPTR, FLASH_OPTR_DBANK) != 0U) {
return FLASH_PAGE_SIZE;
} else {
return FLASH_PAGE_SIZE_128_BITS;
}
}
}
/** Get page size
*
* @param obj The flash object
* @return The size of a page
*/
uint32_t flash_get_page_size(const flash_t *obj)
{
/* Page size is the minimum programable size, which 8 bytes */
return 8;
}
/** Get start address for the flash region
*
* @param obj The flash object
* @return The start address for the flash region
*/
uint32_t flash_get_start_address(const flash_t *obj)
{
#if (DOMAIN_NS == 1)
return NS_CODE_START;
#else
return FLASH_BASE;
#endif
}
/** Get the flash region size
*
* @param obj The flash object
* @return The flash region size
*/
uint32_t flash_get_size(const flash_t *obj)
{
#if (DOMAIN_NS == 1)
return NS_CODE_SIZE;
#else
return FLASH_SIZE;
#endif
}
uint8_t flash_get_erase_value(const flash_t *obj)
{
(void)obj;
return 0xFF;
}
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "cmsis.h"
#include "gpio_irq_device.h"
// Used to return the index for channels array.
const exti_lines_t pin_lines_desc[16] = {
// EXTI0
{.gpio_idx = 0, .irq_index = 0, .irq_n = EXTI0_IRQn}, // pin 0
// EXTI1
{.gpio_idx = 0, .irq_index = 1, .irq_n = EXTI1_IRQn}, // pin 1
// EXTI2
{.gpio_idx = 0, .irq_index = 2, .irq_n = EXTI2_IRQn}, // pin 2
// EXTI3
{.gpio_idx = 0, .irq_index = 3, .irq_n = EXTI3_IRQn}, // pin 3
// EXTI4
{.gpio_idx = 0, .irq_index = 4, .irq_n = EXTI4_IRQn}, // pin 4
// EXTI5
{.gpio_idx = 0, .irq_index = 5, .irq_n = EXTI5_IRQn}, // pin 5
// EXTI6
{.gpio_idx = 0, .irq_index = 6, .irq_n = EXTI6_IRQn}, // pin 6
// EXTI7
{.gpio_idx = 0, .irq_index = 7, .irq_n = EXTI7_IRQn}, // pin 7
// EXTI8
{.gpio_idx = 0, .irq_index = 8, .irq_n = EXTI8_IRQn}, // pin 8
// EXTI9
{.gpio_idx = 0, .irq_index = 9, .irq_n = EXTI9_IRQn}, // pin 9
// EXTI10
{.gpio_idx = 0, .irq_index = 10, .irq_n = EXTI10_IRQn}, // pin 10
// EXTI11
{.gpio_idx = 0, .irq_index = 11, .irq_n = EXTI11_IRQn}, // pin 11
// EXTI12
{.gpio_idx = 0, .irq_index = 12, .irq_n = EXTI12_IRQn}, // pin 12
// EXTI13
{.gpio_idx = 0, .irq_index = 13, .irq_n = EXTI13_IRQn}, // pin 13
// EXTI14
{.gpio_idx = 0, .irq_index = 14, .irq_n = EXTI14_IRQn}, // pin 14
// EXTI15
{.gpio_idx = 0, .irq_index = 15, .irq_n = EXTI15_IRQn}, // pin 15
};

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_GPIO_IRQ_DEVICE_H
#define MBED_GPIO_IRQ_DEVICE_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32l5xx_ll_exti.h"
// Number of EXTI irq vectors (EXTI0 to EXTI15)
#define CHANNEL_NUM (16)
#define EXTI_IRQ0_NUM_LINES 1
#define EXTI_IRQ1_NUM_LINES 1
#define EXTI_IRQ2_NUM_LINES 1
#define EXTI_IRQ3_NUM_LINES 1
#define EXTI_IRQ4_NUM_LINES 1
#define EXTI_IRQ5_NUM_LINES 1
#define EXTI_IRQ6_NUM_LINES 1
#define EXTI_IRQ7_NUM_LINES 1
#define EXTI_IRQ8_NUM_LINES 1
#define EXTI_IRQ9_NUM_LINES 1
#define EXTI_IRQ10_NUM_LINES 1
#define EXTI_IRQ11_NUM_LINES 1
#define EXTI_IRQ12_NUM_LINES 1
#define EXTI_IRQ13_NUM_LINES 1
#define EXTI_IRQ14_NUM_LINES 1
#define EXTI_IRQ15_NUM_LINES 1
// Max pins for one line
#define MAX_PIN_LINE (1)
/* Structure to describe how the HW EXTI lines are defined in this HW */
typedef struct exti_lines {
uint32_t gpio_idx; // an index entry for each EXIT line
uint32_t irq_index; // the IRQ index
IRQn_Type irq_n; // the corresponding EXTI IRQn
} exti_lines_t;
// Used to return the index for channels array.
extern const exti_lines_t pin_lines_desc[];
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_I2C_DEVICE_H
#define MBED_I2C_DEVICE_H
#include "cmsis.h"
#include "mbed_error.h"
#ifdef __cplusplus
extern "C" {
#endif
#if DEVICE_I2C
#define I2C_IP_VERSION_V2
#define I2C_IT_ALL (I2C_IT_ERRI|I2C_IT_TCI|I2C_IT_STOPI|I2C_IT_NACKI|I2C_IT_ADDRI|I2C_IT_RXI|I2C_IT_TXI)
/* Family specifc settings for clock source */
#define I2CAPI_I2C1_CLKSRC RCC_I2C1CLKSOURCE_SYSCLK
#define I2CAPI_I2C2_CLKSRC RCC_I2C2CLKSOURCE_SYSCLK
#define I2CAPI_I2C3_CLKSRC RCC_I2C3CLKSOURCE_SYSCLK
#define I2CAPI_I2C4_CLKSRC RCC_I2C4CLKSOURCE_SYSCLK
/* Provide the suitable timing depending on requested frequencie */
static inline uint32_t get_i2c_timing(int hz)
{
uint32_t tim = 0;
if (SystemCoreClock == 110000000) {
// Common settings: I2C clock = 80 MHz, Analog filter = ON, Digital filter coefficient = 0
switch (hz) {
case 100000:
tim = 0x40E15676; // Standard mode with Rise Time = 400ns and Fall Time = 100ns
break;
case 400000:
tim = 0x20C11434; // Fast mode with Rise Time = 250ns and Fall Time = 100ns
break;
case 1000000:
tim = 0x00C31536; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns
break;
default:
break;
}
}
else {
error("Value not provided for SystemCoreClock %u\n", SystemCoreClock);
}
return tim;
}
#ifdef __cplusplus
}
#endif
#endif // DEVICE_I2C
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_OBJECTS_H
#define MBED_OBJECTS_H
#include "cmsis.h"
#include "PortNames.h"
#include "PeripheralNames.h"
#include "PinNames.h"
#include "stm32l5xx_ll_usart.h"
#include "stm32l5xx_ll_lpuart.h"
#include "stm32l5xx_ll_tim.h"
#include "stm32l5xx_ll_rtc.h"
#include "stm32l5xx_ll_pwr.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RTC_WKUP_IRQn RTC_IRQn
#define HAL_CRC_IS_SUPPORTED(polynomial, width) ((width) == 7 || (width) == 8 || (width) == 16 || (width) == 32)
struct gpio_irq_s {
IRQn_Type irq_n;
uint32_t irq_index;
uint32_t event;
PinName pin;
};
struct port_s {
PortName port;
uint32_t mask;
PinDirection direction;
__IO uint32_t *reg_in;
__IO uint32_t *reg_out;
};
struct trng_s {
RNG_HandleTypeDef handle;
};
struct pwmout_s {
PWMName pwm;
PinName pin;
uint32_t prescaler;
uint32_t period;
uint32_t pulse;
uint8_t channel;
uint8_t inverted;
};
struct spi_s {
SPI_HandleTypeDef handle;
IRQn_Type spiIRQ;
SPIName spi;
PinName pin_miso;
PinName pin_mosi;
PinName pin_sclk;
PinName pin_ssel;
#if DEVICE_SPI_ASYNCH
uint32_t event;
uint8_t transfer_type;
#endif
};
struct serial_s {
UARTName uart;
int index; // Used by irq
uint32_t baudrate;
uint32_t databits;
uint32_t stopbits;
uint32_t parity;
PinName pin_tx;
PinName pin_rx;
#if DEVICE_SERIAL_ASYNCH
uint32_t events;
#endif
#if DEVICE_SERIAL_FC
uint32_t hw_flow_ctl;
PinName pin_rts;
PinName pin_cts;
#endif
};
struct i2c_s {
/* The 1st 2 members I2CName i2c
* and I2C_HandleTypeDef handle should
* be kept as the first members of this struct
* to ensure i2c_get_obj to work as expected
*/
I2CName i2c;
I2C_HandleTypeDef handle;
uint8_t index;
int hz;
PinName sda;
PinName scl;
IRQn_Type event_i2cIRQ;
IRQn_Type error_i2cIRQ;
uint32_t XferOperation;
volatile uint8_t event;
volatile int pending_start;
#if DEVICE_I2CSLAVE
uint8_t slave;
volatile uint8_t pending_slave_tx_master_rx;
volatile uint8_t pending_slave_rx_maxter_tx;
#endif
#if DEVICE_I2C_ASYNCH
uint32_t address;
uint8_t stop;
uint8_t available_events;
#endif
};
struct flash_s {
/* nothing to be stored for now */
uint32_t dummy;
};
struct analogin_s {
ADC_HandleTypeDef handle;
PinName pin;
uint8_t channel;
};
#include "gpio_object.h"
#if DEVICE_ANALOGOUT
struct dac_s {
DACName dac;
PinName pin;
uint32_t channel;
DAC_HandleTypeDef handle;
};
#endif
#if DEVICE_CAN
struct can_s {
CAN_HandleTypeDef CanHandle;
int index;
int hz;
};
#endif
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_PIN_DEVICE_H
#define MBED_PIN_DEVICE_H
#include "cmsis.h"
#include "stm32l5xx_ll_gpio.h"
extern const uint32_t ll_pin_defines[16];
/* Family specific implementations */
static inline void stm_pin_DisconnectDebug(PinName pin)
{
/* empty for now */
}
static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
{
switch (pull_config) {
case GPIO_PULLUP:
LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
break;
case GPIO_PULLDOWN:
LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
break;
default:
LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
break;
}
}
static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
{
uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
if (STM_PIN(pin) > 7) {
LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
} else {
LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
}
}
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "cmsis.h"
#include "pwmout_api.h"
#include "pwmout_device.h"
#if DEVICE_PWMOUT
const pwm_apb_map_t pwm_apb_map_table[] = {
#if defined(TIM2_BASE)
{PWM_2, PWMOUT_ON_APB1},
#endif
#if defined(TIM3_BASE)
{PWM_3, PWMOUT_ON_APB1},
#endif
#if defined(TIM4_BASE)
{PWM_4, PWMOUT_ON_APB1},
#endif
#if defined(TIM5_BASE)
{PWM_5, PWMOUT_ON_APB1},
#endif
#if defined(TIM1_BASE)
{PWM_1, PWMOUT_ON_APB2},
#endif
#if defined(TIM8_BASE)
{PWM_8, PWMOUT_ON_APB2},
#endif
#if defined(TIM15_BASE)
{PWM_15, PWMOUT_ON_APB2},
#endif
#if defined(TIM16_BASE)
{PWM_16, PWMOUT_ON_APB2},
#endif
#if defined(TIM17_BASE)
{PWM_17, PWMOUT_ON_APB2},
#endif
{(PWMName) 0, PWMOUT_UNKNOWN}
};
#endif // DEVICE_PWMOUT

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_PWMOUT_DEVICE_H
#define MBED_PWMOUT_DEVICE_H
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
#if DEVICE_PWMOUT
typedef enum {
PWMOUT_ON_APB1 = 0,
PWMOUT_ON_APB2 = 1,
PWMOUT_UNKNOWN = 2
} PwmoutApb;
/* Structure to describe Timers to APB */
typedef struct pwm_apb_map {
PWMName pwm; // an index entry for each EXIT line
PwmoutApb pwmoutApb;
} pwm_apb_map_t;
extern const pwm_apb_map_t pwm_apb_map_table[];
#endif // DEVICE_PWMOUT
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#if DEVICE_SERIAL
#include "serial_api_hal.h"
#define UART_NUM (6) // USART1, USART2, USART3, UART4, UART5, LPUART1
uint32_t serial_irq_ids[UART_NUM] = {0};
UART_HandleTypeDef uart_handlers[UART_NUM];
static uart_irq_handler irq_handler;
// Defined in serial_api.c
extern int8_t get_uart_index(UARTName uart_name);
/******************************************************************************
* INTERRUPTS HANDLING
******************************************************************************/
static void uart_irq(UARTName uart_name)
{
int8_t id = get_uart_index(uart_name);
if (id >= 0) {
UART_HandleTypeDef *huart = &uart_handlers[id];
if (serial_irq_ids[id] != 0) {
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_TXE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_TXE) != RESET && __HAL_UART_GET_IT_SOURCE(huart, UART_IT_TXE)) {
irq_handler(serial_irq_ids[id], TxIrq);
}
}
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_RXNE) != RESET && __HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE)) {
irq_handler(serial_irq_ids[id], RxIrq);
/* Flag has been cleared when reading the content */
}
}
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_ORE) != RESET) {
__HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_OREF);
}
}
}
}
}
#if defined(USART1_BASE)
static void uart1_irq(void)
{
uart_irq(UART_1);
}
#endif
#if defined(USART2_BASE)
static void uart2_irq(void)
{
uart_irq(UART_2);
}
#endif
#if defined(USART3_BASE)
static void uart3_irq(void)
{
uart_irq(UART_3);
}
#endif
#if defined(UART4_BASE)
static void uart4_irq(void)
{
uart_irq(UART_4);
}
#endif
#if defined(UART5_BASE)
static void uart5_irq(void)
{
uart_irq(UART_5);
}
#endif
#if defined(LPUART1_BASE)
static void lpuart1_irq(void)
{
uart_irq(LPUART_1);
}
#endif
void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
{
struct serial_s *obj_s = SERIAL_S(obj);
irq_handler = handler;
serial_irq_ids[obj_s->index] = id;
}
void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
IRQn_Type irq_n = (IRQn_Type)0;
uint32_t vector = 0;
switch (obj_s->uart) {
#if defined(USART1_BASE)
case UART_1:
irq_n = USART1_IRQn;
vector = (uint32_t)&uart1_irq;
break;
#endif
#if defined(USART2_BASE)
case UART_2:
irq_n = USART2_IRQn;
vector = (uint32_t)&uart2_irq;
break;
#endif
#if defined(USART3_BASE)
case UART_3:
irq_n = USART3_IRQn;
vector = (uint32_t)&uart3_irq;
break;
#endif
#if defined(UART4_BASE)
case UART_4:
irq_n = UART4_IRQn;
vector = (uint32_t)&uart4_irq;
break;
#endif
#if defined(UART5_BASE)
case UART_5:
irq_n = UART5_IRQn;
vector = (uint32_t)&uart5_irq;
break;
#endif
#if defined(LPUART1_BASE)
case LPUART_1:
irq_n = LPUART1_IRQn;
vector = (uint32_t)&lpuart1_irq;
break;
#endif
}
if (enable) {
if (irq == RxIrq) {
__HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
} else { // TxIrq
__HAL_UART_ENABLE_IT(huart, UART_IT_TXE);
}
NVIC_SetVector(irq_n, vector);
NVIC_EnableIRQ(irq_n);
} else { // disable
int all_disabled = 0;
if (irq == RxIrq) {
__HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
// Check if TxIrq is disabled too
if (LL_LPUART_IsEnabledIT_TXE(huart->Instance) == 0) {
all_disabled = 1;
}
} else { // TxIrq
__HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
// Check if RxIrq is disabled too
if (LL_LPUART_IsEnabledIT_RXNE(huart->Instance) == 0) {
all_disabled = 1;
}
}
if (all_disabled) {
NVIC_DisableIRQ(irq_n);
}
}
}
/******************************************************************************
* READ/WRITE
******************************************************************************/
int serial_getc(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
while (!serial_readable(obj));
if (obj_s->databits == UART_WORDLENGTH_8B) {
return (int)(huart->Instance->RDR & (uint8_t)0xFF);
} else {
return (int)(huart->Instance->RDR & (uint16_t)0x1FF);
}
}
void serial_putc(serial_t *obj, int c)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
while (!serial_writable(obj));
if (obj_s->databits == UART_WORDLENGTH_8B) {
huart->Instance->TDR = (uint8_t)(c & (uint8_t)0xFF);
} else {
huart->Instance->TDR = (uint16_t)(c & (uint16_t)0x1FF);
}
}
void serial_clear(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
HAL_LIN_SendBreak(huart);
}
#if DEVICE_SERIAL_ASYNCH
/******************************************************************************
* LOCAL HELPER FUNCTIONS
******************************************************************************/
/**
* Configure the TX buffer for an asynchronous write serial transaction
*
* @param obj The serial object.
* @param tx The buffer for sending.
* @param tx_length The number of words to transmit.
*/
static void serial_tx_buffer_set(serial_t *obj, void *tx, int tx_length, uint8_t width)
{
(void)width;
// Exit if a transmit is already on-going
if (serial_tx_active(obj)) {
return;
}
obj->tx_buff.buffer = tx;
obj->tx_buff.length = tx_length;
obj->tx_buff.pos = 0;
}
/**
* Configure the RX buffer for an asynchronous write serial transaction
*
* @param obj The serial object.
* @param tx The buffer for sending.
* @param tx_length The number of words to transmit.
*/
static void serial_rx_buffer_set(serial_t *obj, void *rx, int rx_length, uint8_t width)
{
(void)width;
// Exit if a reception is already on-going
if (serial_rx_active(obj)) {
return;
}
obj->rx_buff.buffer = rx;
obj->rx_buff.length = rx_length;
obj->rx_buff.pos = 0;
}
/**
* Configure events
*
* @param obj The serial object
* @param event The logical OR of the events to configure
* @param enable Set to non-zero to enable events, or zero to disable them
*/
static void serial_enable_event(serial_t *obj, int event, uint8_t enable)
{
struct serial_s *obj_s = SERIAL_S(obj);
// Shouldn't have to enable interrupt here, just need to keep track of the requested events.
if (enable) {
obj_s->events |= event;
} else {
obj_s->events &= ~event;
}
}
/**
* Get index of serial object TX IRQ, relating it to the physical peripheral.
*
* @param uart_name i.e. UART_1, UART_2, ...
* @return internal NVIC TX IRQ index of U(S)ART peripheral
*/
static IRQn_Type serial_get_irq_n(UARTName uart_name)
{
IRQn_Type irq_n;
switch (uart_name) {
#if defined(USART1_BASE)
case UART_1:
irq_n = USART1_IRQn;
break;
#endif
#if defined(USART2_BASE)
case UART_2:
irq_n = USART2_IRQn;
break;
#endif
#if defined(USART3_BASE)
case UART_3:
irq_n = USART3_IRQn;
break;
#endif
#if defined(UART4_BASE)
case UART_4:
irq_n = UART4_IRQn;
break;
#endif
#if defined(UART5_BASE)
case UART_5:
irq_n = UART5_IRQn;
break;
#endif
#if defined(LPUART1_BASE)
case LPUART_1:
irq_n = LPUART1_IRQn;
break;
#endif
default:
irq_n = (IRQn_Type)0;
}
return irq_n;
}
/******************************************************************************
* MBED API FUNCTIONS
******************************************************************************/
/**
* Begin asynchronous TX transfer. The used buffer is specified in the serial
* object, tx_buff
*
* @param obj The serial object
* @param tx The buffer for sending
* @param tx_length The number of words to transmit
* @param tx_width The bit width of buffer word
* @param handler The serial handler
* @param event The logical OR of events to be registered
* @param hint A suggestion for how to use DMA with this transfer
* @return Returns number of data transfered, or 0 otherwise
*/
int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx_width, uint32_t handler, uint32_t event, DMAUsage hint)
{
// TODO: DMA usage is currently ignored
(void) hint;
// Check buffer is ok
MBED_ASSERT(tx != (void *)0);
MBED_ASSERT(tx_width == 8); // support only 8b width
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
if (tx_length == 0) {
return 0;
}
// Set up buffer
serial_tx_buffer_set(obj, (void *)tx, tx_length, tx_width);
// Set up events
serial_enable_event(obj, SERIAL_EVENT_TX_ALL, 0); // Clear all events
serial_enable_event(obj, event, 1); // Set only the wanted events
// Enable interrupt
IRQn_Type irq_n = serial_get_irq_n(obj_s->uart);
NVIC_ClearPendingIRQ(irq_n);
NVIC_DisableIRQ(irq_n);
NVIC_SetPriority(irq_n, 1);
NVIC_SetVector(irq_n, (uint32_t)handler);
NVIC_EnableIRQ(irq_n);
// the following function will enable UART_IT_TXE and error interrupts
if (HAL_UART_Transmit_IT(huart, (uint8_t *)tx, tx_length) != HAL_OK) {
return 0;
}
return tx_length;
}
/**
* Begin asynchronous RX transfer (enable interrupt for data collecting)
* The used buffer is specified in the serial object, rx_buff
*
* @param obj The serial object
* @param rx The buffer for sending
* @param rx_length The number of words to transmit
* @param rx_width The bit width of buffer word
* @param handler The serial handler
* @param event The logical OR of events to be registered
* @param handler The serial handler
* @param char_match A character in range 0-254 to be matched
* @param hint A suggestion for how to use DMA with this transfer
*/
void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_width, uint32_t handler, uint32_t event, uint8_t char_match, DMAUsage hint)
{
// TODO: DMA usage is currently ignored
(void) hint;
/* Sanity check arguments */
MBED_ASSERT(obj);
MBED_ASSERT(rx != (void *)0);
MBED_ASSERT(rx_width == 8); // support only 8b width
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
serial_enable_event(obj, SERIAL_EVENT_RX_ALL, 0);
serial_enable_event(obj, event, 1);
// set CharMatch
obj->char_match = char_match;
serial_rx_buffer_set(obj, rx, rx_length, rx_width);
IRQn_Type irq_n = serial_get_irq_n(obj_s->uart);
NVIC_ClearPendingIRQ(irq_n);
NVIC_DisableIRQ(irq_n);
NVIC_SetPriority(irq_n, 0);
NVIC_SetVector(irq_n, (uint32_t)handler);
NVIC_EnableIRQ(irq_n);
// following HAL function will enable the RXNE interrupt + error interrupts
HAL_UART_Receive_IT(huart, (uint8_t *)rx, rx_length);
}
/**
* Attempts to determine if the serial peripheral is already in use for TX
*
* @param obj The serial object
* @return Non-zero if the TX transaction is ongoing, 0 otherwise
*/
uint8_t serial_tx_active(serial_t *obj)
{
MBED_ASSERT(obj);
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
return (((HAL_UART_GetState(huart) & HAL_UART_STATE_BUSY_TX) == HAL_UART_STATE_BUSY_TX) ? 1 : 0);
}
/**
* Attempts to determine if the serial peripheral is already in use for RX
*
* @param obj The serial object
* @return Non-zero if the RX transaction is ongoing, 0 otherwise
*/
uint8_t serial_rx_active(serial_t *obj)
{
MBED_ASSERT(obj);
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
return (((HAL_UART_GetState(huart) & HAL_UART_STATE_BUSY_RX) == HAL_UART_STATE_BUSY_RX) ? 1 : 0);
}
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_PE) != RESET) {
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear PE flag
} else if (__HAL_UART_GET_FLAG(huart, UART_FLAG_FE) != RESET) {
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear FE flag
} else if (__HAL_UART_GET_FLAG(huart, UART_FLAG_NE) != RESET) {
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear NE flag
} else if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear ORE flag
}
}
/**
* The asynchronous TX and RX handler.
*
* @param obj The serial object
* @return Returns event flags if a TX/RX transfer termination condition was met or 0 otherwise
*/
int serial_irq_handler_asynch(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
volatile int return_event = 0;
uint8_t *buf = (uint8_t *)(obj->rx_buff.buffer);
size_t i = 0;
// TX PART:
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_TC) != RESET) {
if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC) != RESET) {
// Return event SERIAL_EVENT_TX_COMPLETE if requested
if ((obj_s->events & SERIAL_EVENT_TX_COMPLETE) != 0) {
return_event |= (SERIAL_EVENT_TX_COMPLETE & obj_s->events);
}
}
}
// Handle error events
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_PE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_PE) != RESET) {
return_event |= (SERIAL_EVENT_RX_PARITY_ERROR & obj_s->events);
}
}
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_FE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_FE) != RESET) {
return_event |= (SERIAL_EVENT_RX_FRAMING_ERROR & obj_s->events);
}
}
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
if (__HAL_UART_GET_IT(huart, UART_IT_ORE) != RESET) {
return_event |= (SERIAL_EVENT_RX_OVERRUN_ERROR & obj_s->events);
}
}
HAL_UART_IRQHandler(huart);
// Abort if an error occurs
if ((return_event & SERIAL_EVENT_RX_PARITY_ERROR) ||
(return_event & SERIAL_EVENT_RX_FRAMING_ERROR) ||
(return_event & SERIAL_EVENT_RX_OVERRUN_ERROR)) {
return return_event;
}
//RX PART
if (huart->RxXferSize != 0) {
obj->rx_buff.pos = huart->RxXferSize - huart->RxXferCount;
}
if ((huart->RxXferCount == 0) && (obj->rx_buff.pos >= (obj->rx_buff.length - 1))) {
return_event |= (SERIAL_EVENT_RX_COMPLETE & obj_s->events);
}
// Check if char_match is present
if (obj_s->events & SERIAL_EVENT_RX_CHARACTER_MATCH) {
if (buf != NULL) {
for (i = 0; i < obj->rx_buff.pos; i++) {
if (buf[i] == obj->char_match) {
obj->rx_buff.pos = i;
return_event |= (SERIAL_EVENT_RX_CHARACTER_MATCH & obj_s->events);
serial_rx_abort_asynch(obj);
break;
}
}
}
}
return return_event;
}
/**
* Abort the ongoing TX transaction. It disables the enabled interupt for TX and
* flush TX hardware buffer if TX FIFO is used
*
* @param obj The serial object
*/
void serial_tx_abort_asynch(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
__HAL_UART_DISABLE_IT(huart, UART_IT_TC);
__HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
// reset states
huart->TxXferCount = 0;
// update handle state
if (huart->gState == HAL_UART_STATE_BUSY_TX_RX) {
huart->gState = HAL_UART_STATE_BUSY_RX;
} else {
huart->gState = HAL_UART_STATE_READY;
}
}
/**
* Abort the ongoing RX transaction It disables the enabled interrupt for RX and
* flush RX hardware buffer if RX FIFO is used
*
* @param obj The serial object
*/
void serial_rx_abort_asynch(serial_t *obj)
{
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
// disable interrupts
__HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
__HAL_UART_DISABLE_IT(huart, UART_IT_PE);
__HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
// clear flags
__HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear errors flag
// reset states
huart->RxXferCount = 0;
// update handle state
if (huart->RxState == HAL_UART_STATE_BUSY_TX_RX) {
huart->RxState = HAL_UART_STATE_BUSY_TX;
} else {
huart->RxState = HAL_UART_STATE_READY;
}
}
#endif /* DEVICE_SERIAL_ASYNCH */
#if DEVICE_SERIAL_FC
/**
* Set HW Control Flow
* @param obj The serial object
* @param type The Control Flow type (FlowControlNone, FlowControlRTS, FlowControlCTS, FlowControlRTSCTS)
* @param pinmap Pointer to structure which holds static pinmap
*/
#if STATIC_PINMAP_READY
#define SERIAL_SET_FC_DIRECT serial_set_flow_control_direct
void serial_set_flow_control_direct(serial_t *obj, FlowControl type, const serial_fc_pinmap_t *pinmap)
#else
#define SERIAL_SET_FC_DIRECT _serial_set_flow_control_direct
static void _serial_set_flow_control_direct(serial_t *obj, FlowControl type, const serial_fc_pinmap_t *pinmap)
#endif
{
struct serial_s *obj_s = SERIAL_S(obj);
if (type == FlowControlNone) {
// Disable hardware flow control
obj_s->hw_flow_ctl = UART_HWCONTROL_NONE;
}
if (type == FlowControlRTS) {
// Enable RTS
MBED_ASSERT(pinmap->rx_flow_pin != (UARTName)NC);
obj_s->hw_flow_ctl = UART_HWCONTROL_RTS;
obj_s->pin_rts = pinmap->rx_flow_pin;
// Enable the pin for RTS function
pin_function(pinmap->rx_flow_pin, pinmap->rx_flow_function);
pin_mode(pinmap->rx_flow_pin, PullNone);
}
if (type == FlowControlCTS) {
// Enable CTS
MBED_ASSERT(pinmap->tx_flow_pin != (UARTName)NC);
obj_s->hw_flow_ctl = UART_HWCONTROL_CTS;
obj_s->pin_cts = pinmap->tx_flow_pin;
// Enable the pin for CTS function
pin_function(pinmap->tx_flow_pin, pinmap->tx_flow_function);
pin_mode(pinmap->tx_flow_pin, PullNone);
}
if (type == FlowControlRTSCTS) {
// Enable CTS & RTS
MBED_ASSERT(pinmap->rx_flow_pin != (UARTName)NC);
MBED_ASSERT(pinmap->tx_flow_pin != (UARTName)NC);
obj_s->hw_flow_ctl = UART_HWCONTROL_RTS_CTS;
obj_s->pin_rts = pinmap->rx_flow_pin;;
obj_s->pin_cts = pinmap->tx_flow_pin;;
// Enable the pin for CTS function
pin_function(pinmap->tx_flow_pin, pinmap->tx_flow_function);
pin_mode(pinmap->tx_flow_pin, PullNone);
// Enable the pin for RTS function
pin_function(pinmap->rx_flow_pin, pinmap->rx_flow_function);
pin_mode(pinmap->rx_flow_pin, PullNone);
}
init_uart(obj);
}
/**
* Set HW Control Flow
* @param obj The serial object
* @param type The Control Flow type (FlowControlNone, FlowControlRTS, FlowControlCTS, FlowControlRTSCTS)
* @param rxflow Pin for the rxflow
* @param txflow Pin for the txflow
*/
void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow)
{
struct serial_s *obj_s = SERIAL_S(obj);
UARTName uart_rts = (UARTName)pinmap_peripheral(rxflow, PinMap_UART_RTS);
UARTName uart_cts = (UARTName)pinmap_peripheral(txflow, PinMap_UART_CTS);
if (((UARTName)pinmap_merge(uart_rts, obj_s->uart) == (UARTName)NC) || ((UARTName)pinmap_merge(uart_cts, obj_s->uart) == (UARTName)NC)) {
MBED_ASSERT(0);
return;
}
int peripheral = (int)pinmap_merge(uart_rts, uart_cts);
int tx_flow_function = (int)pinmap_find_function(txflow, PinMap_UART_CTS);
int rx_flow_function = (int)pinmap_find_function(rxflow, PinMap_UART_RTS);
const serial_fc_pinmap_t explicit_uart_fc_pinmap = {peripheral, txflow, tx_flow_function, rxflow, rx_flow_function};
SERIAL_SET_FC_DIRECT(obj, type, &explicit_uart_fc_pinmap);
}
#endif /* DEVICE_SERIAL_FC */
#endif /* DEVICE_SERIAL */

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "mbed_assert.h"
#include "spi_api.h"
#if DEVICE_SPI
#include "cmsis.h"
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
#if DEVICE_SPI_ASYNCH
#define SPI_S(obj) (( struct spi_s *)(&(obj->spi)))
#else
#define SPI_S(obj) (( struct spi_s *)(obj))
#endif
/*
* Only the frequency is managed in the family specific part
* the rest of SPI management is common to all STM32 families
*/
int spi_get_clock_freq(spi_t *obj)
{
struct spi_s *spiobj = SPI_S(obj);
int spi_hz = 0;
/* Get source clock depending on SPI instance */
switch ((int)spiobj->spi) {
case SPI_1:
/* SPI_1. Source CLK is PCKL2 */
spi_hz = HAL_RCC_GetPCLK2Freq();
break;
#if defined(SPI2_BASE)
case SPI_2:
#endif
case SPI_3:
/* SPI_2, SPI_3. Source CLK is PCKL1 */
spi_hz = HAL_RCC_GetPCLK1Freq();
break;
default:
error("CLK: SPI instance not set");
break;
}
return spi_hz;
}
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef MBED_SPI_DEVICE_H
#define MBED_SPI_DEVICE_H
#include "stm32l5xx_ll_spi.h"
#endif

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/**
* This file configures the system clock as follows:
*-----------------------------------------------------------------------------
* System clock source | 1- USE_PLL_HSE_EXTC (external 8 MHz clock)
* | 2- USE_PLL_HSE_XTAL (external 8 MHz xtal)
* | 3- USE_PLL_HSI (internal 16 MHz)
* | 4- USE_PLL_MSI (internal 100kHz to 48 MHz)
*-----------------------------------------------------------------------------
* SYSCLK(MHz) | 110
* AHBCLK (MHz) | 110
* APB1CLK (MHz) | 110
* APB2CLK (MHz) | 110
* USB capable | NO // TODO
*-----------------------------------------------------------------------------
**/
#include "stm32l5xx.h"
#include "nvic_addr.h"
#include "mbed_error.h"
#include "mbed_toolchain.h"
// clock source is selected with CLOCK_SOURCE in json config
#define USE_PLL_HSE_EXTC 0x8 // Use external clock (ST Link MCO - not enabled by default)
#define USE_PLL_HSE_XTAL 0x4 // Use external xtal (X3 on board - not provided by default)
#define USE_PLL_HSI 0x2 // Use HSI internal clock
#define USE_PLL_MSI 0x1 // Use MSI internal clock
#if ( ((CLOCK_SOURCE) & USE_PLL_HSE_XTAL) || ((CLOCK_SOURCE) & USE_PLL_HSE_EXTC) )
uint8_t SetSysClock_PLL_HSE(uint8_t bypass);
#endif /* ((CLOCK_SOURCE) & USE_PLL_HSE_XTAL) || ((CLOCK_SOURCE) & USE_PLL_HSE_EXTC) */
#if ((CLOCK_SOURCE) & USE_PLL_HSI)
uint8_t SetSysClock_PLL_HSI(void);
#endif /* ((CLOCK_SOURCE) & USE_PLL_HSI) */
#if ((CLOCK_SOURCE) & USE_PLL_MSI)
uint8_t SetSysClock_PLL_MSI(void);
#endif /* ((CLOCK_SOURCE) & USE_PLL_MSI) */
/**
* @brief Configures the System clock source, PLL Multiplier and Divider factors,
* AHB/APBx prescalers and Flash settings
* @note This function should be called only once the RCC clock configuration
* is reset to the default reset state (done in SystemInit() function).
* @param None
* @retval None
*/
MBED_WEAK void SetSysClock(void)
{
#if ((CLOCK_SOURCE) & USE_PLL_HSE_EXTC)
/* 1- Try to start with HSE and external clock */
if (SetSysClock_PLL_HSE(1) == 0)
#endif
{
#if ((CLOCK_SOURCE) & USE_PLL_HSE_XTAL)
/* 2- If fail try to start with HSE and external xtal */
if (SetSysClock_PLL_HSE(0) == 0)
#endif
{
#if ((CLOCK_SOURCE) & USE_PLL_HSI)
/* 3- If fail start with HSI clock */
if (SetSysClock_PLL_HSI() == 0)
#endif
{
#if ((CLOCK_SOURCE) & USE_PLL_MSI)
/* 4- If fail start with MSI clock */
if (SetSysClock_PLL_MSI() == 0)
#endif
{
{
error("SetSysClock failed\n");
}
}
}
}
}
}
#if ( ((CLOCK_SOURCE) & USE_PLL_HSE_XTAL) || ((CLOCK_SOURCE) & USE_PLL_HSE_EXTC) )
/******************************************************************************/
/* PLL (clocked by HSE) used as System clock source */
/******************************************************************************/
uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
{
return 0; // FAIL // TODO
}
#endif /* ((CLOCK_SOURCE) & USE_PLL_HSE_XTAL) || ((CLOCK_SOURCE) & USE_PLL_HSE_EXTC) */
#if ((CLOCK_SOURCE) & USE_PLL_HSI)
/******************************************************************************/
/* PLL (clocked by HSI) used as System clock source */
/******************************************************************************/
uint8_t SetSysClock_PLL_HSI(void)
{
return 0; // FAIL // TODO
}
#endif /* ((CLOCK_SOURCE) & USE_PLL_HSI) */
#if ((CLOCK_SOURCE) & USE_PLL_MSI)
/******************************************************************************/
/* PLL (clocked by MSI) used as System clock source */
/******************************************************************************/
uint8_t SetSysClock_PLL_MSI(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
/* Configure the main internal regulator output voltage */
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE0) != HAL_OK) {
return 0; // FAIL
}
/* Configure LSE Drive Capability */
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_SYSCFG_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
__HAL_RCC_RTCAPB_CLK_ENABLE();
#if MBED_CONF_TARGET_LSE_AVAILABLE
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
return 0; // FAIL
}
#endif /* MBED_CONF_TARGET_LSE_AVAILABLE */
/* Enable MSI Oscillator and activate PLL with MSI as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
#if DEVICE_TRNG
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
#else
RCC_OscInitStruct.HSI48State = RCC_HSI48_OFF;
#endif
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6; /* 4 MHz */
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 1; /* 4 MHz */
RCC_OscInitStruct.PLL.PLLN = 55; /* 220 MHz */
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2; /* 110 MHz */
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; /* 110 MHz */
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
return 0; // FAIL
}
// Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* 110 MHz */
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* 110 MHz */
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; /* 110 MHz */
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; /* 110 MHz */
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
return 0; // FAIL
}
// Default STDIO is LPUART1
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
#if DEVICE_TRNG
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1 | RCC_PERIPHCLK_RNG;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_HSI48;
#else
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
#endif
PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_LSE;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
return 1; // OK
}
#endif /* ((CLOCK_SOURCE) & USE_PLL_MSI) */

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/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef __US_TICKER_DATA_H
#define __US_TICKER_DATA_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32l5xx.h"
#include "stm32l5xx_ll_tim.h"
#define TIM_MST TIM5
#define TIM_MST_IRQ TIM5_IRQn
#define TIM_MST_RCC __HAL_RCC_TIM5_CLK_ENABLE()
#define TIM_MST_RESET_ON __HAL_RCC_TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __HAL_RCC_TIM5_RELEASE_RESET()
#define TIM_MST_BIT_WIDTH 32 // 16 or 32
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#ifdef __cplusplus
}
#endif
#endif // __US_TICKER_DATA_H