初版

2025-12-03 11:12:34 +08:00
parent c23ae4f24c
commit bc195654bf
8163 changed files with 3799544 additions and 92 deletions
@@ -0,0 +1,87 @@
+#ifdef SUPPORT_MS_EXTENSIONS
+#pragma bss_seg(".uart_test.data.bss")
+#pragma data_seg(".uart_test.data")
+#pragma const_seg(".uart_test.text.const")
+#pragma code_seg(".uart_test.text")
+#endif
+#include "system/includes.h"
+#include "uart.h"
+#include "debug.h"
+
+static void uart_irq_func(int uart_num, enum uart_event event)
+{
+    if (event & UART_EVENT_TX_DONE) {
+        printf("uart[%d] tx done", uart_num);
+    }
+
+    if (event & UART_EVENT_RX_TIMEOUT) {
+        printf("uart[%d] rx timerout data", uart_num);
+    }
+
+    if (event & UART_EVENT_RX_FIFO_OVF) {
+        printf("uart[%d] rx fifo ovf", uart_num);
+    }
+}
+
+struct uart_frame {
+    u16 crc;
+    u16 length;
+    u8 data[0];
+};
+void uart_sync_demo(void *p)
+{
+    const struct uart_config config = {
+        .baud_rate = 2000000,
+        .tx_pin = IO_PORTA_04,
+        .rx_pin = IO_PORTA_02,
+        .parity = UART_PARITY_DISABLE,
+        .tx_wait_mutex = 0,//1:不支持中断调用,互斥,0:支持中断,不互斥
+    };
+
+    void *uart_rx_ptr = dma_malloc(768);
+
+    const struct uart_dma_config dma = {
+        .rx_timeout_thresh = 3 * 10000000 / config.baud_rate, //单位:us,公式：3*10000000/baud(ot:3个byte时间)
+        .event_mask = UART_EVENT_TX_DONE | UART_EVENT_RX_FIFO_OVF | UART_EVENT_RX_TIMEOUT,
+        .irq_priority = 3,
+        .irq_callback = uart_irq_func,
+        .rx_cbuffer = uart_rx_ptr,
+        .rx_cbuffer_size = 768,
+        .frame_size = 768,//=rx_cbuffer_size
+    };
+
+    printf("************uart demo***********\n");
+    int r;
+    uart_dev uart_id = 1;
+    int ut = uart_init(uart_id, &config);
+    if (ut < 0) {
+        printf("uart(%d) init error\n", ut);
+    } else {
+        printf("uart(%d) init ok\n", ut);
+    }
+    r = uart_dma_init(uart_id, &dma);
+    if (r < 0) {
+        printf("uart(%d) dma init error\n", ut);
+    } else {
+        printf("uart(%d) dma init ok\n", ut);
+    }
+
+    uart_dump();
+    struct uart_frame *frame = (struct uart_frame *)dma_malloc(512);
+
+    while (1) {
+        r = uart_recv_blocking(uart_id, frame, 512, 10);
+        if (r > 0) { //ok
+            printf("r:%d\n", r);
+            printf_buf((u8 *)frame, r);
+        }
+        r = uart_send_blocking(uart_id, frame, r, 20);
+    }
+}
+void uart_demo()
+{
+    int err = task_create(uart_sync_demo, NULL, "periph_demo");
+    if (err != OS_NO_ERR) {
+        r_printf("creat fail %x\n", err);
+    }
+}