Initial commit - sync AliceRC to Gitea

2026-08-03 15:54:25 +08:00
commit 493b7d81d7
1510 changed files with 185319 additions and 0 deletions
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+/**
+ * @file    uart.h
+ * @brief   UART1 驱动 (命令解析 / SBUS 输出复用)
+ *          UART1 资源:
+ *            - P3.0 = RX (命令输入)
+ *            - P3.1 = TX (默认调试输出/SBUS 输出经板上三极管反相)
+ *
+ *  主循环调用 uart_poll() 处理命令接收
+ *  SBUS 输出由调用者直接调用 uart1_send_byte()
+ */
+#ifndef __UART_H
+#define __UART_H
+
+#include "stc8h.h"
+#include <stdint.h>
+
+void uart1_init(uint32_t baud);
+void uart1_send_byte(uint8_t b);
+void uart1_send_bytes(const uint8_t *buf, uint8_t len);
+uint8_t uart1_rx_available(void);
+uint8_t uart1_read_byte(void);
+
+/* 接收环形缓冲区 (64 字节,放 XDATA) */
+#define UART1_RX_BUF_SIZE  64
+extern volatile uint8_t __xdata g_uart1_rx_buf[UART1_RX_BUF_SIZE];
+extern volatile uint8_t __xdata g_uart1_rx_head;
+extern volatile uint8_t __xdata g_uart1_rx_tail;
+
+#endif