uart_arch.c File Reference

Handling of UART hardware for STM32. More...

#include "mcu_periph/uart.h"
#include "mcu_periph/gpio.h"
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/cm3/nvic.h>
#include "std.h"
#include <BOARD_CONFIG>

Include dependency graph for uart_arch.c:

Go to the source code of this file.

Functions
void	uart_periph_set_baudrate (struct uart_periph *p, uint32_t baud)
	Set baudrate. More...
void	uart_periph_set_bits_stop_parity (struct uart_periph *p, uint8_t bits, uint8_t stop, uint8_t parity)
	Set parity and stop bits. More...
void	uart_periph_set_mode (struct uart_periph *p, bool tx_enabled, bool rx_enabled, bool hw_flow_control)
	Set mode (not necessary, or can be set by SerialConfig) More...
void	uart_put_byte (struct uart_periph *p, long fd, uint8_t data)
	Uart transmit implementation. More...
static void	usart_isr (struct uart_periph *p)
static void	usart_enable_irq (uint8_t IRQn)

Detailed Description

Handling of UART hardware for STM32.

Definition in file uart_arch.c.

Function Documentation

void uart_periph_set_baudrate	(	struct uart_periph *	p,
		uint32_t	baud
	)

Set baudrate.

Definition at line 42 of file uart_arch.c.

References uart_periph::baudrate, SerialInit::conf, uart_periph::init_struct, and uart_periph::reg_addr.

void uart_periph_set_bits_stop_parity	(	struct uart_periph *	p,
		uint8_t	bits,
		uint8_t	stop,
		uint8_t	parity
	)

Set parity and stop bits.

Definition at line 63 of file uart_arch.c.

References SerialInit::conf, uart_periph::init_struct, uart_periph::reg_addr, UBITS_7, UPARITY_EVEN, UPARITY_ODD, and USTOP_2.

void uart_periph_set_mode	(	struct uart_periph *	p,
		bool	tx_enabled,
		bool	rx_enabled,
		bool	hw_flow_control
	)

Set mode (not necessary, or can be set by SerialConfig)

Definition at line 92 of file uart_arch.c.

References mode, and uart_periph::reg_addr.

void uart_put_byte	(	struct uart_periph *	p,
		long	fd,
		uint8_t	data
	)

Uart transmit implementation.

Definition at line 112 of file uart_arch.c.

References uart_periph::init_struct, uart_periph::reg_addr, uart_periph::tx_buf, uart_periph::tx_extract_idx, uart_periph::tx_insert_idx, SerialInit::tx_mtx, uart_periph::tx_running, SerialInit::tx_sem, and UART_TX_BUFFER_SIZE.

static void usart_enable_irq ( uint8_t  IRQn )

inlinestatic

Definition at line 183 of file uart_arch.c.

static void usart_isr ( struct uart_periph *  p )

inlinestatic

Definition at line 136 of file uart_arch.c.

References uart_periph::fe_err, uart_periph::ne_err, uart_periph::ore, uart_periph::reg_addr, uart_periph::rx_buf, uart_periph::rx_extract_idx, uart_periph::rx_insert_idx, uart_periph::tx_buf, uart_periph::tx_extract_idx, uart_periph::tx_insert_idx, uart_periph::tx_running, UART_RX_BUFFER_SIZE, and UART_TX_BUFFER_SIZE.