移植并验证:can驱动485驱动;未验证:USB驱动
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@@ -1,6 +1,6 @@
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menuconfig BSP_USING_UART1
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bool "Enable UART1"
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default y
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default n
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if BSP_USING_UART1
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config SERIAL_BUS_NAME_1
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string "serial bus name"
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@@ -15,7 +15,7 @@ menuconfig BSP_USING_UART1
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menuconfig BSP_USING_UART2
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bool "Enable UART2"
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default y
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default n
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if BSP_USING_UART2
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config SERIAL_BUS_NAME_2
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string "serial bus name"
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@@ -42,3 +42,18 @@ menuconfig BSP_USING_UART4
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string "serial bus device name"
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default "uart4_dev4"
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endif
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menuconfig BSP_USING_UART5
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bool "Enable UART5"
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default y
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if BSP_USING_UART5
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config SERIAL_BUS_NAME_5
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string "serial bus name"
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default "uart5"
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config SERIAL_DRV_NAME_5
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string "serial bus driver name"
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default "uart5_drv"
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config SERIAL_5_DEVICE_NAME_0
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string "serial bus device name"
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default "uart5_dev5"
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endif
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@@ -1,4 +1,4 @@
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SRC_FILES := connect_uart.c
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SRC_DIR := test
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include $(KERNEL_ROOT)/compiler.mk
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@@ -325,6 +325,28 @@ void UART4_IRQHandler(void)
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}
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#endif
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#ifdef BSP_USING_UART5
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struct SerialDriver serial_driver_5;
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struct SerialHardwareDevice serial_device_5;
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#define TxSize5 100
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uint16_t RxBuffer5[TxSize5] = { 0 };
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uint16_t TxCnt5 = 0, RxCnt5 = 0;
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void USART5_IRQHandler(void) __attribute__((interrupt()));
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void USART5_IRQHandler(void)
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{
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if (USART_GetITStatus(UART5, USART_IT_RXNE) != RESET) {
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RxBuffer5[RxCnt5++] = UART_ReceiveData(UART5);
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if (RxCnt5 == 100) {
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USART_ITConfig(UART5, USART_IT_RXNE, DISABLE);
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}
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}
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}
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#endif
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int InitHwUart(void)
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{
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x_err_t ret = EOK;
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@@ -519,5 +541,69 @@ int InitHwUart(void)
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USART_Cmd((USART_TypeDef*)serial_cfg_4.hw_cfg.serial_register_base, ENABLE);
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#endif
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#ifdef BSP_USING_UART5
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static struct SerialBus serial_bus_5;
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memset(&serial_bus_5, 0, sizeof(struct SerialBus));
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memset(&serial_driver_5, 0, sizeof(struct SerialDriver));
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memset(&serial_device_5, 0, sizeof(struct SerialHardwareDevice));
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static struct SerialCfgParam serial_cfg_5;
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memset(&serial_cfg_5, 0, sizeof(struct SerialCfgParam));
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static struct SerialDevParam serial_dev_param_5;
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memset(&serial_dev_param_5, 0, sizeof(struct SerialDevParam));
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serial_driver_5.drv_done = &drv_done;
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serial_driver_5.configure = &SerialDrvConfigure;
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serial_device_5.hwdev_done = &hwdev_done;
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serial_cfg_5.data_cfg = data_cfg_init;
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serial_cfg_5.hw_cfg.serial_register_base = (uint32)UART5;
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serial_cfg_5.hw_cfg.serial_irq_interrupt = UART5_IRQn;
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serial_driver_5.private_data = (void*)&serial_cfg_5;
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serial_dev_param_5.serial_work_mode = SIGN_OPER_INT_RX;
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serial_device_5.haldev.private_data = (void*)&serial_dev_param_5;
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ret = BoardSerialBusInit(&serial_bus_5, &serial_driver_5, SERIAL_BUS_NAME_5, SERIAL_DRV_NAME_5);
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if (EOK != ret) {
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KPrintf("InitHwUart 5 uarths error ret %u\n", ret);
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return ERROR;
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}
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ret = BoardSerialDevBend(&serial_device_5, (void*)&serial_cfg_5, SERIAL_BUS_NAME_5, SERIAL_5_DEVICE_NAME_0);
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if (EOK != ret) {
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KPrintf("InitHwUart 5 uarths error ret %u\n", ret);
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return ERROR;
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}
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GPIO_InitTypeDef gpio_init_struct_5;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
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gpio_init_struct_5.GPIO_Pin = GPIO_Pin_12;
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gpio_init_struct_5.GPIO_Speed = GPIO_Speed_50MHz;
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gpio_init_struct_5.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOC, &gpio_init_struct_5);
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gpio_init_struct_5.GPIO_Pin = GPIO_Pin_2;
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gpio_init_struct_5.GPIO_Speed = GPIO_Speed_50MHz;
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gpio_init_struct_5.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(GPIOD, &gpio_init_struct_5);
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USART_InitTypeDef usart_init_struct_5;
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usart_init_struct_5.USART_BaudRate = 9600;
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usart_init_struct_5.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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usart_init_struct_5.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
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usart_init_struct_5.USART_WordLength = USART_WordLength_8b;
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usart_init_struct_5.USART_StopBits = USART_StopBits_1;
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usart_init_struct_5.USART_Parity = USART_Parity_No;
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USART_Init((USART_TypeDef*)serial_cfg_5.hw_cfg.serial_register_base, &usart_init_struct_5);
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USART_Cmd((USART_TypeDef*)serial_cfg_5.hw_cfg.serial_register_base, ENABLE);
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#endif
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return ret;
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}
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+4
@@ -0,0 +1,4 @@
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SRC_FILES := rs485_test.c
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include $(KERNEL_ROOT)/compiler.mk
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@@ -0,0 +1,97 @@
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#include "shell.h"
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#include "ch32v30x.h"
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#include "ch32v30x_usart.h"
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#include "connect_uart.h"
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// UART5发送数据
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static void UART5_SendData(uint8_t data)
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{
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// 等待发送缓冲区为空
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while (USART_GetFlagStatus(UART5, USART_FLAG_TXE) == RESET)
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{
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}
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// 发送数据
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USART_SendData(UART5, data);
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}
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// UART5接收数据
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static uint8_t UART5_ReceiveData(void)
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{
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// 等待接收缓冲区非空
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while (USART_GetFlagStatus(UART5, USART_FLAG_RXNE) == RESET)
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{
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}
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// 读取接收数据
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return USART_ReceiveData(UART5);
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}
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static void UART5_SendString(const char *buffer)
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{
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size_t len = strlen(buffer);
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for (size_t i = 0; i < len; i++)
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{
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if (buffer[i] != '\r' || buffer[i] != '\n')
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{
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UART5_SendData(buffer[i]);
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}
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}
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}
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static void UART5_ReceiveString(char *buffer, size_t bufferSize)
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{
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size_t i = 0;
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while (i < bufferSize - 1)
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{
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char receivedChar = UART5_ReceiveData();
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if (receivedChar == '\n')
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{
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// 收到回车或换行符,表示字符串接收完毕
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break;
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}
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buffer[i] = receivedChar;
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i++;
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}
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buffer[i] = '\0'; // 在字符串末尾添加空字符,表示字符串结束
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while (USART_GetFlagStatus(UART5, USART_FLAG_RXNE) != RESET)
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{
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char dummy = USART_ReceiveData(UART5);
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(void)dummy; // 避免编译器警告
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}
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}
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int test_rs485(int argc, char *argv[])
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{
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KPrintf("485 Test\r\n");
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char receiveBuffer[100];
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char *sendString = " hello aiit 485\r\n";
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int n = 10;
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UART5_SendString(sendString);
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while (n--)
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{
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// 接收字符串
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UART5_ReceiveString(receiveBuffer, sizeof(receiveBuffer));
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KPrintf("%s\r\n", receiveBuffer);
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if (receiveBuffer[0] == 0xfd)
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{
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UART5_SendString(sendString);
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}
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else
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{
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USART_ClearFlag(UART5, USART_FLAG_TC);
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UART5_SendString(receiveBuffer);
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}
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}
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return 0;
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN),
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test_rs485, test_rs485, test rs485);
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