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MCUXpresso: Ensure the RTC OSC is running at bootup on Kinetis platforms 

This is a fix for Issue 5348.

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
pull/8872/head
Mahesh Mahadevan 2018-09-27 10:38:11 -05:00
parent e69aa15aea
commit dcc8b659bc
18 changed files with 459 additions and 119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/TARGET_FRDM/mbed_overrides.c
View File

@ -17,12 +17,42 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -34,13 +64,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -55,7 +78,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/TARGET_FRDM/mbed_overrides.c
View File

@ -14,12 +14,42 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -31,13 +61,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Set the UART clock source
void serial_clock_init(void)
{

39
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/TARGET_UBRIDGE/mbed_overrides.c
View File

@ -17,13 +17,18 @@
#include "fsl_smc.h"
#include "fsl_rcm.h"
#include "fsl_pmc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
//!< this contains the wakeup source
rcm_reset_source_t kinetisResetSource;
// called before main
void mbed_sdk_init() {
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
// check the power mode source
@ -36,6 +41,31 @@ void mbed_sdk_init() {
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -47,13 +77,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Set the UART clock source
void serial_clock_init(void)
{

35
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,22 +15,45 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be IRC48M, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(1U);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to

35
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,22 +15,45 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be IRC48M, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(1U);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,20 +15,43 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
BOARD_BootClockRUN();
}
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to

42
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/TARGET_USENSE/mbed_overrides.c
View File

@ -17,13 +17,18 @@
#include "fsl_smc.h"
#include "fsl_rcm.h"
#include "fsl_pmc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
//!< this contains the wakeup source
rcm_reset_source_t kinetisResetSource;
// called before main
void mbed_sdk_init() {
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
// check the power mode source
@ -35,6 +40,32 @@ void mbed_sdk_init() {
}
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -46,15 +77,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
#if DEVICE_RTC || DEVICE_LPTICKER
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
#endif
// Set the UART clock source
void serial_clock_init(void)
{

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW24D/TARGET_FRDM/mbed_overrides.c
View File

@ -14,20 +14,43 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
BOARD_BootClockRUN();
}
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to

35
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW41Z/TARGET_FRDM/mbed_overrides.c
View File

@ -14,22 +14,45 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be OSCERCLK, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(2U);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to

36
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K22F/TARGET_MCU_K22F512/TARGET_FRDM/mbed_overrides.c
View File

@ -15,21 +15,44 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
pin_function(PTA2, 1); //By default the GREEN LED is enabled. This disables it
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -40,3 +63,4 @@ void NMI_Handler(void)
gpio_t gpio;
gpio_init_in(&gpio, PTA4);
}

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K24F/TARGET_MCU_K24F1M/TARGET_RO359B/mbed_overrides.c
View File

@ -17,12 +17,42 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -34,10 +64,3 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}

39
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_FRDM/mbed_overrides.c
View File

@ -17,12 +17,42 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -34,13 +64,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -55,7 +78,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes

38
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_HEXIWEAR/mbed_overrides.c
View File

@ -14,19 +14,41 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/mbed_overrides.c
View File

@ -14,16 +14,41 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}

5
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_RAPIDIOT/mbed_overrides.c
View File

@ -33,6 +33,9 @@ void mbed_sdk_init()
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
@ -48,6 +51,8 @@ void mbed_sdk_init()
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
void rtc_setup_oscillator(void)

41
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_SDT64B/mbed_overrides.c
View File

@ -17,12 +17,42 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/*Init the RTC with default configuration*/
RTC_GetDefaultConfig(&rtc_basic_config);
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
CLOCK_DisableClock(kCLOCK_Rtc0);
}
// Change the NMI pin to an input. This allows NMI pin to
@ -34,13 +64,6 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -55,7 +78,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes
@ -76,5 +99,3 @@ void mbed_mac_address(char *mac)
}

5
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/lp_ticker.c
View File

@ -33,8 +33,6 @@ const ticker_info_t* lp_ticker_get_info()
static bool lp_ticker_inited = false;
extern void rtc_setup_oscillator(RTC_Type *base);
static void lptmr_isr(void)
{
LPTMR_ClearStatusFlags(LPTMR0, kLPTMR_TimerCompareFlag);
@ -52,9 +50,6 @@ void lp_ticker_init(void)
/* Setup high resolution clock - LPTMR */
LPTMR_GetDefaultConfig(&lptmrConfig);
/* Setup the RTC 32KHz oscillator */
CLOCK_EnableClock(kCLOCK_Rtc0);
rtc_setup_oscillator(RTC);
/* Use 32kHz drive */
CLOCK_SetXtal32Freq(OSC32K_CLK_HZ);

4
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/rtc_api.c
View File

@ -21,8 +21,6 @@
#include "fsl_rtc.h"
#include "PeripheralPins.h"
extern void rtc_setup_oscillator(RTC_Type *base);
static bool rtc_time_set = false;
void rtc_init(void)
@ -32,8 +30,6 @@ void rtc_init(void)
RTC_GetDefaultConfig(&rtcConfig);
RTC_Init(RTC, &rtcConfig);
/* Setup the RTC 32KHz oscillator */
rtc_setup_oscillator(RTC);
RTC_StartTimer(RTC);
}