Add full automotive RTOS project

Add kernel (Cortex-M0/M3/M4, Tricore, S32K, RISC-V ports), drivers, middleware (CAN stack, diagnostics, safety), applications, board support, build/test tooling, and documentation.
2026-08-23 03:35:29 -04:00
parent f113bf0a05
commit ca13734bf0
151 changed files with 23945 additions and 0 deletions
@@ -0,0 +1,107 @@
+/**
+ * @file uart_driver.h
+ * @brief UART driver interface
+ */
+
+#ifndef UART_DRIVER_H
+#define UART_DRIVER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "kernel.h"
+
+/* UART Configuration Constants */
+#define UART_MAX_INSTANCES      6
+#define UART_MAX_BUFFER_SIZE    2048
+#define UART_DEFAULT_BAUDRATE   115200
+
+/* UART Baudrates */
+typedef enum {
+    UART_BAUD_9600 = 9600,
+    UART_BAUD_19200 = 19200,
+    UART_BAUD_38400 = 38400,
+    UART_BAUD_57600 = 57600,
+    UART_BAUD_115200 = 115200,
+    UART_BAUD_230400 = 230400,
+    UART_BAUD_460800 = 460800,
+    UART_BAUD_921600 = 921600
+} UartBaudrate_t;
+
+/* UART Data Bits */
+typedef enum {
+    UART_DATA_BITS_5 = 5,
+    UART_DATA_BITS_6 = 6,
+    UART_DATA_BITS_7 = 7,
+    UART_DATA_BITS_8 = 8,
+    UART_DATA_BITS_9 = 9
+} UartDataBits_t;
+
+/* UART Stop Bits */
+typedef enum {
+    UART_STOP_BITS_1 = 0,
+    UART_STOP_BITS_1_5 = 1,
+    UART_STOP_BITS_2 = 2
+} UartStopBits_t;
+
+/* UART Parity */
+typedef enum {
+    UART_PARITY_NONE = 0,
+    UART_PARITY_EVEN = 1,
+    UART_PARITY_ODD = 2
+} UartParity_t;
+
+/* UART Flow Control */
+typedef enum {
+    UART_FLOW_CONTROL_NONE = 0,
+    UART_FLOW_CONTROL_RTS_CTS = 1,
+    UART_FLOW_CONTROL_XON_XOFF = 2
+} UartFlowControl_t;
+
+/* UART Callbacks */
+typedef void (*UartRxCallback_t)(uint8_t* data, uint16_t length);
+typedef void (*UartTxCallback_t)(void);
+typedef void (*UartErrorCallback_t)(uint32_t error);
+
+/* UART Configuration */
+typedef struct {
+    UartBaudrate_t baudrate;
+    UartDataBits_t data_bits;
+    UartStopBits_t stop_bits;
+    UartParity_t parity;
+    UartFlowControl_t flow_control;
+    bool enable_rx;
+    bool enable_tx;
+    bool use_dma;
+    UartRxCallback_t rx_callback;
+    UartTxCallback_t tx_callback;
+    UartErrorCallback_t error_callback;
+} UartConfig_t;
+
+/* UART Statistics */
+typedef struct {
+    uint32_t tx_bytes;
+    uint32_t rx_bytes;
+    uint32_t tx_errors;
+    uint32_t rx_errors;
+    uint32_t parity_errors;
+    uint32_t framing_errors;
+    uint32_t overrun_errors;
+    uint32_t dma_transfers;
+} UartStatistics_t;
+
+/* UART Driver Interface */
+KernelStatus_t uart_init(uint8_t instance, UartConfig_t* config);
+KernelStatus_t uart_deinit(uint8_t instance);
+KernelStatus_t uart_send(uint8_t instance, const uint8_t* data, uint16_t length,
+                         uint32_t timeout_ms);
+KernelStatus_t uart_receive(uint8_t instance, uint8_t* data, uint16_t length,
+                            uint32_t timeout_ms);
+KernelStatus_t uart_send_async(uint8_t instance, const uint8_t* data, uint16_t length);
+KernelStatus_t uart_receive_async(uint8_t instance, uint8_t* data, uint16_t length);
+KernelStatus_t uart_flush(uint8_t instance);
+KernelStatus_t uart_get_statistics(uint8_t instance, UartStatistics_t* stats);
+uint16_t uart_get_rx_count(uint8_t instance);
+uint16_t uart_get_tx_count(uint8_t instance);
+void uart_process_interrupt(uint8_t instance);
+
+#endif /* UART_DRIVER_H */