#include "uart_dev.h"
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
device_handle g_gw485_uart2_handle;
device_handle g_bat485_uart3_handle;
device_handle g_debug_uart4_handle;
static uint8_t Debug_in_buff[200];
static uint8_t Gw485_in_buff[200];
static uint8_t Bat485_in_buff[200];
uint8_t rx_gw485_buf[1];
uint8_t rx_bat485_buf[1];
static uint8_t debug_out_buff[100];
/**
* @brief 串口信息初始化，串口号及波特率.
* @param uart_index 对应的硬件串口号
* @param uart_baudrate 波特率
*/
uart_device_info uart_devices[]={
[0] = {
.init = 0,
.uart_index = GW485_UART_INDEX,
.uart_baudrate = 115200,
},
[1] = {
.init = 0,
.uart_index = BAT485_UART_INDEX,
.uart_baudrate = 115200,
},
[2] = {
.init = 0,
.uart_index = DEBUG_UART_INDEX,
.uart_baudrate = 115200,
},
};
static device_handle uart_dev_init(uartIndex_e uart_index, uint8_t *buff, int buff_size);
static void uart_init(uartIndex_e uart_index, uint32_t baud);
static u_int8_t uart_putchar(device_handle device, char ch);
/**
* @brief 初始化串口设备.
* @param uart_index 初始化串口号
* @param buff 串口循环buff地址
* @param buff_size 串口循环buff对应大小
* @retval 串口句柄
*/
device_handle uart_dev_init(uartIndex_e uart_index, uint8_t *buff, int buff_size)
{
int i = 0;
for (; i < ELEMENT_OF(uart_devices); i++) {
if (uart_devices[i].uart_index == uart_index) {
if (!uart_devices[i].init) {
InitRingQueue(&uart_devices[i].uart_ring_queue, buff, buff_size);
uart_init(uart_index, uart_devices[i].uart_baudrate);
uart_devices[i].init = 1;
}
return (device_handle)(&uart_devices[i]);
}
}
return 0;
}
/**
* @brief 串口硬件初始化.
* @param uart_index 串口号
* @param baud 波特率
* @retval None
*/
void uart_init(uartIndex_e uart_index, uint32_t baud)
{
if (uart_index == GW485_UART_INDEX) {
HD_GW485_Init(baud);
} else if (uart_index == BAT485_UART_INDEX) {
HD_BAT485_Init(baud);
} else if (uart_index == DEBUG_UART_INDEX) {
HD_DEBUG_Uart_Init(baud);
}
}
/**
* @brief 关闭串口
* @param uart_index 串口号
* @retval None
*/
void uart_close(uartIndex_e uart_index)
{
if(uart_index == GW485_UART_INDEX){
HAL_UART_MspDeInit(&huart2);
}else if(uart_index == BAT485_UART_INDEX){
HAL_UART_MspDeInit(&huart3);
}else if(uart_index == DEBUG_UART_INDEX){
HAL_UART_MspDeInit(&huart4);
}
}
/**
* @brief 发送一个字节.
* @param uart_index 串口号
* @param ch 待发送字符
* @retval 1 成功 0失败
*/
static u_int8_t uart_putchar(device_handle device, char ch)
{
int ret = HAL_ERROR;
uart_device_info *device_info = (uart_device_info *)device;
if((!device) || (!device_info->init))
return 0;
if (device_info->uart_index == GW485_UART_INDEX) {
ret = HAL_UART_Transmit(&huart2, (uint8_t*)&ch, 1, 10);
} else if (device_info->uart_index == BAT485_UART_INDEX) {
ret = HAL_UART_Transmit(&huart3, (uint8_t*)&ch, 1, 10);
} else if (device_info->uart_index == DEBUG_UART_INDEX) {
ret = HAL_UART_Transmit(&huart4, (uint8_t*)&ch, 1, 10);
}
if (ret == HAL_OK) {
return 1;
} else {
return 0;
}
}
/**
* @brief 发送字符串.
* @param uart_index 串口号
* @param str 待发送字符串地址
* @retval None
*/
void uart_sendstr(device_handle device, char *str)
{
while ((*str) != (char )0u) {
if (*str == ASCII_CHAR_LINE_FEED){
uart_putchar(device, (ASCII_CHAR_CARRIAGE_RETURN));
uart_putchar(device, ASCII_CHAR_LINE_FEED);
str++;
}else{
uart_putchar(device, *str++);
}
}
}
/**
* @brief 调试串口 .
* @param 可变参
* @retval Null
*/
void debug_printf(char *format, ...)
{
memset(debug_out_buff, 0, sizeof(debug_out_buff));
va_list va_ptr;
va_start(va_ptr, format);
vsprintf((char*)debug_out_buff, (char const *)format, va_ptr);
va_end(va_ptr);
uart_sendstr(g_debug_uart4_handle, (char*)debug_out_buff);
}
/**
* @brief 初始化调试串口.
* @retval None
*/
void Init_debug_uart(void)
{
g_debug_uart4_handle = uart_dev_init(DEBUG_UART_INDEX, Debug_in_buff, sizeof(Debug_in_buff));
}
/**
* @brief 初始化向下通信对电池pack串口.
* @retval None
*/
void Init_BAT485_uart(uint32_t baud)
{
uart_devices[1].uart_baudrate = baud;
g_bat485_uart3_handle = uart_dev_init(BAT485_UART_INDEX, Bat485_in_buff, sizeof(Bat485_in_buff));
}
/**
* @brief 初始化向上对网关通信485串口.
* @retval None
*/
void Init_GW485_uart(uint32_t baud)
{
uart_devices[0].uart_baudrate = baud;
g_gw485_uart2_handle = uart_dev_init(GW485_UART_INDEX, Gw485_in_buff, sizeof(Gw485_in_buff));
}
/**
* @brief 从串口设备循环buff读取一个数据.
* @param device 串口句柄
* @retval 读取到的字符
*/
uint8_t uart_dev_in_char(device_handle device)
{
uart_device_info *device_info = (uart_device_info *)device;
char c = 0;
if (uart_dev_char_present(device))
OutRingQueue(&device_info->uart_ring_queue, (u_int8_t*)&c);
return c;
}
/**
* @brief 判断串口设备循环buff是否有数据.
* @param device 串口句柄
* @retval 0 空 1有数据
*/
int uart_dev_char_present(device_handle device)
{
uart_device_info *device_info = (uart_device_info *)device;
if((!device) || (!device_info->init))
return 0;
return !RingQueueEmpty(&device_info->uart_ring_queue);
}
/**
* @brief 串口多字节堵塞发送.
* @param device 串口句柄
* @param data 待发送数据
* @param len 待发送数据长度
* @retval None
*/
void uart_dev_write(device_handle device, void *data, int len)
{
for (int i = 0; i < len; i++) {
uart_putchar(device, ((char *)data)[i]);
}
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == USART2) {
gw485_RxIt();
}
else if (huart->Instance == USART3) {
bat485_RxIt();
}
}
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == USART2) {
gw485_TxIt();
}
else if (huart->Instance == USART3) {
bat485_TxIt();
}
}
/**
* @brief 开启向上对网关通信485串口的中断接收.
* @retval None
*/
void start_gw485Rx_It(void)
{
HAL_UART_Receive_IT(&huart2, rx_gw485_buf, 1);
}
/**
* @brief 开启向下通信对电池pack串口的中断接收.
* @retval None
*/
void start_bat485Rx_It(void)
{
HAL_UART_Receive_IT(&huart3, rx_bat485_buf, 1);
}