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uart.h
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/**
******************************************************************************
* @file uart.h
* @author WI6LABS, fpistm
* @brief Header for uart module
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __UART_H
#define __UART_H
/* Includes ------------------------------------------------------------------*/
#include "stm32_def.h"
#include "PinNames.h"
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(HAL_UART_MODULE_ENABLED) || defined(HAL_UART_MODULE_ONLY)
#define serial_t void*
#else
#ifndef UART_IRQ_PRIO
#define UART_IRQ_PRIO 1
#endif
#ifndef UART_IRQ_SUBPRIO
#define UART_IRQ_SUBPRIO 0
#endif
/* Exported types ------------------------------------------------------------*/
typedef struct serial_s serial_t;
struct serial_s {
/* The 1st 2 members USART_TypeDef *uart
* and UART_HandleTypeDef handle should
* be kept as the first members of this struct
* to have get_serial_obj() function work as expected
*/
USART_TypeDef *uart;
UART_HandleTypeDef handle;
void (*rx_callback)(serial_t *);
int (*tx_callback)(serial_t *);
PinName pin_tx;
PinName pin_rx;
IRQn_Type irq;
uint8_t index;
uint8_t recv;
uint8_t *rx_buff;
uint8_t *tx_buff;
uint16_t rx_tail;
uint16_t tx_head;
volatile uint16_t rx_head;
volatile uint16_t tx_tail;
size_t tx_size;
};
/* Exported constants --------------------------------------------------------*/
#define TX_TIMEOUT 1000
#if defined(USART2_BASE) && !defined(USART2_IRQn)
#if defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define USART2_IRQn USART2_LPUART2_IRQn
#define USART2_IRQHandler USART2_LPUART2_IRQHandler
#endif
#endif /* STM32G0xx */
#endif
#if defined(USART3_BASE) && !defined(USART3_IRQn)
#if defined(STM32F0xx)
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART3_IRQn USART3_8_IRQn
#define USART3_IRQHandler USART3_8_IRQHandler
#elif defined(STM32F030xC)
#define USART3_IRQn USART3_6_IRQn
#define USART3_IRQHandler USART3_6_IRQHandler
#else
#define USART3_IRQn USART3_4_IRQn
#define USART3_IRQHandler USART3_4_IRQHandler
#endif /* STM32F091xC || STM32F098xx */
#elif defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define USART3_IRQn USART3_4_5_6_LPUART1_IRQn
#define USART3_IRQHandler USART3_4_5_6_LPUART1_IRQHandler
#elif defined(LPUART1_BASE)
#define USART3_IRQn USART3_4_LPUART1_IRQn
#define USART3_IRQHandler USART3_4_LPUART1_IRQHandler
#else
#define USART3_IRQn USART3_4_IRQn
#define USART3_IRQHandler USART3_4_IRQHandler
#endif
#endif /* STM32F0xx */
#endif
#if defined(USART4_BASE) && !defined(USART4_IRQn)
#if defined(STM32F0xx)
/* IRQHandler is mapped on USART3_IRQHandler for STM32F0xx */
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART4_IRQn USART3_8_IRQn
#elif defined(STM32F030xC)
#define USART4_IRQn USART3_6_IRQn
#else
#define USART4_IRQn USART3_4_IRQn
#endif /* STM32F091xC || STM32F098xx */
#elif defined(STM32L0xx)
#define USART4_IRQn USART4_5_IRQn
#elif defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define USART4_IRQn USART3_4_5_6_LPUART1_IRQn
#elif defined(LPUART1_BASE)
#define USART4_IRQn USART3_4_LPUART1_IRQn
#else
#define USART4_IRQn USART3_4_IRQn
#endif
#endif /* STM32G0xx */
#endif
#if defined(USART5_BASE) && !defined(USART5_IRQn)
#if defined(STM32F0xx)
/* IRQHandler is mapped on USART3_IRQHandler for STM32F0xx */
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART5_IRQn USART3_8_IRQn
#elif defined(STM32F030xC)
#define USART5_IRQn USART3_6_IRQn
#endif /* STM32F091xC || STM32F098xx */
#elif defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define USART5_IRQn USART3_4_5_6_LPUART1_IRQn
#endif
#elif defined(STM32L0xx)
#define USART5_IRQn USART4_5_IRQn
#endif /* STM32F0xx */
#endif
/* IRQHandler is mapped on USART3_IRQHandler for STM32F0xx */
#if defined(USART6_BASE) && !defined(USART6_IRQn)
#if defined (STM32F0xx)
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART6_IRQn USART3_8_IRQn
#elif defined(STM32F030xC)
#define USART6_IRQn USART3_6_IRQn
#endif /* STM32F091xC || STM32F098xx */
#elif defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define USART6_IRQn USART3_4_5_6_LPUART1_IRQn
#endif
#endif /* STM32F0xx */
#endif
#if defined(USART7_BASE) && !defined(USART7_IRQn)
#if defined (STM32F0xx)
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART7_IRQn USART3_8_IRQn
#endif /* STM32F091xC || STM32F098xx */
#endif /* STM32F0xx */
#endif
#if defined(USART8_BASE) && !defined(USART8_IRQn)
#if defined (STM32F0xx)
#if defined(STM32F091xC) || defined (STM32F098xx)
#define USART8_IRQn USART3_8_IRQn
#endif /* STM32F091xC || STM32F098xx */
#endif /* STM32F0xx */
#endif
#if defined(LPUART1_BASE) && !defined(LPUART1_IRQn)
#if defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define LPUART1_IRQn USART3_4_5_6_LPUART1_IRQn
#elif defined(USART3_BASE)
#define LPUART1_IRQn USART3_4_LPUART1_IRQn
#endif
#endif /* STM32G0xx */
#endif
#if defined(LPUART2_BASE) && !defined(LPUART2_IRQn)
#if defined(STM32G0xx)
#if defined(LPUART2_BASE)
#define LPUART2_IRQn USART2_LPUART2_IRQn
#endif
#endif /* STM32G0xx */
#endif
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void uart_init(serial_t *obj, uint32_t baudrate, uint32_t databits, uint32_t parity, uint32_t stopbits);
void uart_deinit(serial_t *obj);
#if defined(HAL_PWR_MODULE_ENABLED) && defined(UART_IT_WUF)
void uart_config_lowpower(serial_t *obj);
#endif
size_t uart_write(serial_t *obj, uint8_t data, uint16_t size);
int uart_getc(serial_t *obj, unsigned char *c);
void uart_attach_rx_callback(serial_t *obj, void (*callback)(serial_t *));
void uart_attach_tx_callback(serial_t *obj, int (*callback)(serial_t *), size_t size);
uint8_t serial_tx_active(serial_t *obj);
uint8_t serial_rx_active(serial_t *obj);
void uart_enable_tx(serial_t *obj);
void uart_enable_rx(serial_t *obj);
size_t uart_debug_write(uint8_t *data, uint32_t size);
#endif /* HAL_UART_MODULE_ENABLED && !HAL_UART_MODULE_ONLY */
#ifdef __cplusplus
}
#endif
#endif /* __UART_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/