iot_uart.c 文件参考

#include "securec.h"
#include "iot_errno.h"
#include "uart.h"
#include "iot_uart.h"
#include "dma.h"

iot_uart.c 的引用(Include)关系图:

宏定义
#define	IOT_UART_RX_BUFFER_SIZE   1024
#define	IOT_UART_SET_WR_TIMEOUT   0
#define	IOT_UART_MIN_DATABITS   5
#define	IOT_UART_MAX_DATABITS   8
#define	IOT_UART_LIMIT_STOPBITS   6
#define	IOT_UART_MIN_STOPBITS   1
#define	IOT_UART_MAX_STOPBITS   2
#define	UART_DMA_WIDTH   0
#define	UART_DMA_BURST_LENGTH   2
#define	UART_DMA_PRIORITY   0
#define	UART_DMA_TX_ENABLE   1
#define	UART_DMA_RX_ENABLE   1

函数
unsigned int	IoTUartInit (unsigned int id, const IotUartAttribute *param)
unsigned int	IoTUartDeinit (unsigned int id)
int	IoTUartWrite (unsigned int id, const unsigned char *data, unsigned int dataLen)
int	IoTUartRead (unsigned int id, unsigned char *data, unsigned int dataLen)
unsigned int	IoTUartSetFlowCtrl (unsigned int id, IotFlowCtrl flowCtrl)

变量
uint8_t	g_iot_uart_rx_buff [1024] = { 0 }

宏定义说明

IOT_UART_LIMIT_STOPBITS

#define IOT_UART_LIMIT_STOPBITS   6

IOT_UART_MAX_DATABITS

#define IOT_UART_MAX_DATABITS   8

IOT_UART_MAX_STOPBITS

#define IOT_UART_MAX_STOPBITS   2

IOT_UART_MIN_DATABITS

#define IOT_UART_MIN_DATABITS   5

IOT_UART_MIN_STOPBITS

#define IOT_UART_MIN_STOPBITS   1

IOT_UART_RX_BUFFER_SIZE

#define IOT_UART_RX_BUFFER_SIZE   1024

Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.

Description: Provides iot_uart driver source
History:
2023-10-18， Create file.

IOT_UART_SET_WR_TIMEOUT

#define IOT_UART_SET_WR_TIMEOUT   0

UART_DMA_BURST_LENGTH

#define UART_DMA_BURST_LENGTH   2

UART_DMA_PRIORITY

#define UART_DMA_PRIORITY   0

UART_DMA_RX_ENABLE

#define UART_DMA_RX_ENABLE   1

UART_DMA_TX_ENABLE

#define UART_DMA_TX_ENABLE   1

UART_DMA_WIDTH

#define UART_DMA_WIDTH   0

函数说明

IoTUartDeinit()

unsigned int IoTUartDeinit

(

unsigned int

id

)

IoTUartInit()

unsigned int IoTUartInit	(	unsigned int	id,
		const IotUartAttribute *	param
	)

IoTUartRead()

int IoTUartRead	(	unsigned int	id,
		unsigned char *	data,
		unsigned int	dataLen
	)

IoTUartSetFlowCtrl()

unsigned int IoTUartSetFlowCtrl	(	unsigned int	id,
		IotFlowCtrl	flowCtrl
	)

IoTUartWrite()

int IoTUartWrite	(	unsigned int	id,
		const unsigned char *	data,
		unsigned int	dataLen
	)

变量说明

g_iot_uart_rx_buff

uint8_t g_iot_uart_rx_buff[1024] = { 0 }