add ch32v307 risc-v support,IDE is MounRiver Studio

platform/hal/wch/ch32v30xx/src/tos_hal_uart.c

@@ -0,0 +1,75 @@
+#include "tos_k.h"
+#include "tos_hal.h"
+#include "ch32v30x.h"
+#include "usart.h"
+
+__API__ int tos_hal_uart_init(hal_uart_t *uart, hal_uart_port_t port)
+{
+    if (!uart) {
+        return -1;
+    }
+
+    if (port == HAL_UART_PORT_0) {
+        uart->private_uart = UART7;
+        uart7_init(115200);
+    } else if (port == HAL_UART_PORT_2) {
+        uart->private_uart = USART2;
+        usart2_init(115200);
+    } else if (port == HAL_UART_PORT_6) {
+        uart->private_uart = UART6;
+        uart6_init(115200);
+    } else {
+        return -1;
+    }
+
+    return 0;
+}
+
+__API__ int tos_hal_uart_write(hal_uart_t *uart, const uint8_t *buf, size_t size, uint32_t timeout)
+{
+    USART_TypeDef *base;
+
+    if (!uart || !buf) {
+        return -1;
+    }
+
+    if (!uart->private_uart) {
+        return -1;
+    }
+    base = (USART_TypeDef *)uart->private_uart;
+
+    for(size_t i=0; i<size; i++) {
+        USART_SendData(base, buf[i]);
+        tos_task_delay(1);
+    }
+
+    return 0;
+}
+
+__API__ int tos_hal_uart_read(hal_uart_t *uart, const uint8_t *buf, size_t size, uint32_t timeout)
+{
+    return 0;
+}
+
+__API__ int tos_hal_uart_deinit(hal_uart_t *uart)
+{
+    //USART_TypeDef *base;
+
+    if (!uart) {
+        return -1;
+    }
+
+    if (!uart->private_uart) {
+        return -1;
+    }
+
+    //base = (USART_TypeDef *)uart->private_uart;
+
+
+
+    //usart_deinit(base);
+
+
+    return 0;
+}
+