mbed-os/targets/TARGET_STM/TARGET_STM32G0/pin_device.h

56 lines
1.6 KiB
C

/* 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 "stm32g0xx_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