add can and flash driver for hc32f4a0 in XiZi_IIoT

2023-02-22 09:38:41 +08:00
parent 002325c1d8
commit 73fbeea117
16 changed files with 486 additions and 2 deletions
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <string.h>
+#include <transform.h>
+
+
+void TestCAN(void)
+{
+    // config CAN pin(SCL:34.SDA:35) in menuconfig
+    int can_fd = PrivOpen(CAN_DEV_DRIVER, O_RDWR);
+    if (can_fd < 0)
+    {
+        printf("open can_fd fd error:%d\n", can_fd);
+        return;
+    }
+    printf("CAN open successful!\n");
+
+    struct PrivIoctlCfg ioctl_cfg;
+    ioctl_cfg.ioctl_driver_type = CAN_TYPE;
+
+    struct CanDriverConfigure can_config;
+    can_config.brp  = 8U;
+    can_config.tbs1 = 1U + 8U;
+    can_config.tbs2 = 4U;
+    can_config.tsjw = 4U;
+    can_config.mode = 0U;
+
+    ioctl_cfg.args = (void *)&can_config;
+
+    if (0 != PrivIoctl(can_fd, OPE_INT, &ioctl_cfg))
+    {
+        printf("init can fd error %d\n", can_fd);
+        PrivClose(can_fd);
+        return;
+    }
+    printf("CAN configure successful!\n");
+
+    uint8_t data_buff[64u] = {1,2,3,4,4,3,2,1};
+    struct CanSendConfigure frame_send;
+    frame_send.ide=0;
+    frame_send.stdid = 0x55;
+    frame_send.rtr=0;
+    frame_send.data_lenth=8;
+    frame_send.data = data_buff;
+
+    struct CanSendConfigure frame_recv;
+    uint8_t recv_buff[65U] = {0};
+    frame_recv.data = recv_buff;
+
+    // CAN write
+    while (1)
+    {
+        PrivTaskDelay(500);
+        PrivWrite(can_fd, &frame_send, NONE);
+        PrivTaskDelay(500);
+        PrivRead(can_fd, &frame_recv, NONE);
+        // if any data has received,Then printf message
+        if(frame_recv.data_lenth > 0){
+            printf("ID %08x:%s\n",frame_recv.exdid,frame_recv.data);
+        }
+    }
+
+    PrivClose(can_fd);
+    return;
+}
+
+PRIV_SHELL_CMD_FUNCTION(TestCAN, a can test sample, PRIV_SHELL_CMD_MAIN_ATTR);