From 814a7422602da0a3d72c0edbec95b7dad12799b2 Mon Sep 17 00:00:00 2001
From: huang <1085210385@qq.com>
Date: Fri, 1 Mar 2024 16:35:02 +0800
Subject: [PATCH] add usart3 connect

---
 .../XiZi_IIoT/board/ch32v307vct6/board.c      | 26 ++++++++++++++-----
 .../third_party_driver/uart/connect_uart.c    | 18 ++++++++++++-
 2 files changed, 37 insertions(+), 7 deletions(-)

diff --git a/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/board.c b/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/board.c
index 4d7f3875d..addee633a 100644
--- a/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/board.c
+++ b/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/board.c
@@ -60,6 +60,8 @@ static uint32_t _SysTick_Config(uint32_t ticks)
 
 extern RxBuffer2;
 extern uint16_t UART_ReceiveData(USART_TypeDef* USARTx);
+extern void UART_SendData(USART_TypeDef* USARTx, uint16_t Data);
+
 void InitBoardHardware()
 {
     _SysTick_Config(SystemCoreClock / TICK_PER_SECOND);
@@ -78,10 +80,22 @@ void InitBoardHardware()
 
     KPrintf("board init done.\n");
     KPrintf("start okernel...\n");
-    // while (1) {
-    //     uint32_t ans = (uint32_t)UART_ReceiveData(USART3);
-    //     KPrintf("%d\n", ans);
-    //     for (int i = 0; i < 10000; i++)
-    //         ;
-    // }
+
+    uint16_t ans = 0;
+    uint16_t recv_data = 0;
+    uint16_t send_data = 0;
+    int cnt = 0;
+    while (1) {
+
+        recv_data = UART_ReceiveData(USART3);
+
+        if (recv_data < 58 && recv_data > 47) {
+            ans = recv_data;
+
+            KPrintf("recv data: %d\n", ans - 48);
+        }
+        send_data = ans + 17;
+        KPrintf("send data: %d\n", send_data);
+        UART_SendData(USART3, send_data);
+    }
 }
diff --git a/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/third_party_driver/uart/connect_uart.c b/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/third_party_driver/uart/connect_uart.c
index e2db436f2..e3e2b50d0 100644
--- a/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/third_party_driver/uart/connect_uart.c
+++ b/Ubiquitous/XiZi_IIoT/board/ch32v307vct6/third_party_driver/uart/connect_uart.c
@@ -177,6 +177,17 @@ static const struct SerialDataCfg data_cfg_init = {
     .serial_timeout = WAITING_FOREVER,
 };
 
+static const struct SerialDataCfg data_cfg_init_uart3 = {
+    .serial_baud_rate = BAUD_RATE_115200,
+    .serial_data_bits = DATA_BITS_8,
+    .serial_stop_bits = STOP_BITS_1,
+    .serial_parity_mode = PARITY_NONE,
+    .serial_bit_order = BIT_ORDER_LSB,
+    .serial_invert_mode = NRZ_NORMAL,
+    .serial_buffer_size = SERIAL_RB_BUFSZ,
+    .serial_timeout = WAITING_FOREVER,
+};
+
 /*manage the serial device operations*/
 static const struct SerialDrvDone drv_done = {
     .init = SerialInit,
@@ -259,7 +270,12 @@ void USART1_IRQHandler(void)
 
 uint16_t UART_ReceiveData(USART_TypeDef* USARTx)
 {
-    return (uint16_t)(USARTx->DATAR);
+    return (uint16_t)(USARTx->DATAR & (uint16_t)0x01FF);
+}
+
+void UART_SendData(USART_TypeDef* USARTx, uint16_t Data)
+{
+    USARTx->DATAR = (Data & (uint16_t)0x01FF);
 }
 
 #ifdef BSP_USING_UART2