initial commit

2024-04-25 22:31:01 +08:00
commit 200b5703f9
119 changed files with 52620 additions and 0 deletions
--- a/app/by_can.c
+++ b/app/by_can.c
@@ -0,0 +1,40 @@
+#include "by_can.h"
+
+#include <string.h>
+#include <assert.h>
+#include "dwt_delay.h"
+#include "by_utils.h"
+#include "by_debug.h"
+
+by_error_status by_can_send_stdd(uint32_t id, const uint8_t *data, uint8_t len, uint16_t timeout)
+{
+
+  assert(id < 0x7FF);
+
+  if (len > 8) {
+    len = 8;
+  }
+
+  uint8_t transmit_mailbox;
+  can_tx_message_type tx_message_struct;
+  tx_message_struct.standard_id = id;                                /* 设置发送数据帧的 ID=0x400 */
+  tx_message_struct.extended_id = 0;                                 /* 不设置 */
+  tx_message_struct.id_type     = CAN_ID_STANDARD;                   /* 发送数据帧类型（标准/扩展）：标准数据帧 */
+  tx_message_struct.frame_type  = CAN_TFT_DATA;                      /* 发送帧类型（远程/数据）：数据帧 */
+  tx_message_struct.dlc         = len;                               /* 发送数据长度（0~8）：8 */
+  memcpy(tx_message_struct.data, data, len);                         /* 复制发送数据 */
+  transmit_mailbox = can_message_transmit(CAN1, &tx_message_struct); /* 将以上待发送报文写入发送邮箱并请求发送 */
+
+  /* 等待该邮箱发送成功—对应邮箱发送成功标志置起 */
+  while (can_transmit_status_get(CAN1, (can_tx_mailbox_num_type)transmit_mailbox) != CAN_TX_STATUS_SUCCESSFUL) {
+    // LOGD("CAN#SEND: timeout=%d", timeout);
+    if (0 == timeout--) {
+      LOGW("CAN#TIMEOUT: ID=0x%x", id);
+
+      return BY_ERROR;
+    }
+    DWT_Delay(10);
+  }
+
+  return BY_SUCCESS;
+}