uart.c ファイル

STM32F7 シリアル(UARTドライバ) [詳解]

#include "sysconfig.h"
#include "device.h"
#include "interrupt.h"
#include "fifo.h"
#include "tkprintf.h"
#include "device/uart_ioctl.h"
#include "task/event.h"
#include "task/syscall.h"
#include "stm32f7xx_hal.h"
#include "stm32f7xx_hal_uart.h"
#include "stm32f7xx_hal_uart_ex.h"

uart.c の依存先関係図:

[ソースコード]

マクロ定義
#define	MAXBUFSIZE   256
#define	UART_TC_TIMEOUT   100000
#define	UART_TE_TIMEOUT   1000

関数
static void	init_rcc_uart1 (void)
static void	init_rcc_uart6 (void)
static void	init_gpio_uart1 (void)
static void	init_gpio_uart6 (void)
static void	init_uart (struct st_uart_data *uart_dt, USART_TypeDef *uart, int speed)
void	inthdr_uart (unsigned int intnum, void *sp)
static int	uart_init (struct st_device *dev, char *param)
static int	uart_getc (struct st_device *dev, unsigned char *rd)
static int	uart_putc (struct st_device *dev, unsigned char td)
static int	uart_ioctl (struct st_device *dev, unsigned int com, unsigned int arg, void *param)
static int	uart_select (struct st_device *dev, unsigned int timeout)
static int	uart_init_low (struct st_device *dev, char *param)
static int	uart_getc_low (struct st_device *dev, unsigned char *rd)
static int	uart_putc_low (struct st_device *dev, unsigned char td)

変数
const struct st_device	uart1_device
const struct st_device	uart6_device
static struct st_uart_data	uart_data [3]
static const char	uart_rx_eventqueue_name [2][10]
static const char	uart_tx_eventqueue_name [2][10]
static UART_HandleTypeDef	huart_low
const struct st_device	uart1_low_device

詳解

STM32F7 シリアル(UARTドライバ)

日付

2017.01.03

著者

Takashi SHUDO

STM32F769I-Discovery UART1_TX PA9 UART1_RX PA10

UART6_TX PC6 UART6_RX PC7

STM32F756G-Discovery UART1_TX PA9 UART1_RX PB7

UART6_TX PC6 UART6_RX PC7

uart.c に定義があります。

変数詳解

uart1_device

const struct st_device uart1_device

初期値:

= {
        .name   = DEF_DEV_NAME_UART,
        .explan = "STM32F7 UART1",
        .private_data = (void *)&uart_data[0],
        .register_dev = uart_init,
        .getc   = uart_getc,
        .putc   = uart_putc,
        .ioctl  = uart_ioctl,
        .select = uart_select
}

uart.c の 113 行目に定義があります。

uart1_low_device

const struct st_device uart1_low_device

初期値:

= {
        .name   = DEF_DEV_NAME_DEBUG,
        .explan = "Debug/Error Console",
        .private_data = (void *)&uart_data[2],
        .register_dev = uart_init_low,
        .getc   = uart_getc_low,
        .putc   = uart_putc_low
}

uart.c の 417 行目に定義があります。

uart6_device

const struct st_device uart6_device

初期値:

= {
        .name   = DEF_DEV_NAME_UART "1",
        .explan = "STM32F7 UART6",
        .private_data = (void *)&uart_data[1],
        .register_dev = uart_init,
        .getc   = uart_getc,
        .putc   = uart_putc,
        .ioctl  = uart_ioctl,
        .select = uart_select
}

uart.c の 114 行目に定義があります。

uart_rx_eventqueue_name

const char uart_rx_eventqueue_name[2][10]

static

初期値:

= {
        "uart1_rx", "uart6_rx"
}

uart.c の 202 行目に定義があります。

uart_tx_eventqueue_name

const char uart_tx_eventqueue_name[2][10]

static

初期値:

= {
        "uart1_tx", "uart6_tx"
}

uart.c の 206 行目に定義があります。