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 +1,113 @@
+/**
+ * @file gpio_driver.h
+ * @brief GPIO driver interface
+ */
+
+#ifndef GPIO_DRIVER_H
+#define GPIO_DRIVER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "kernel.h"
+
+/* GPIO Configuration Constants */
+#define GPIO_MAX_PORTS          8
+#define GPIO_MAX_PINS_PER_PORT  16
+#define GPIO_MAX_INTERRUPTS     32
+
+/* GPIO Modes */
+typedef enum {
+    GPIO_MODE_INPUT = 0,
+    GPIO_MODE_OUTPUT = 1,
+    GPIO_MODE_ALTERNATE = 2,
+    GPIO_MODE_ANALOG = 3
+} GpioMode_t;
+
+/* GPIO Output Types */
+typedef enum {
+    GPIO_OUTPUT_PUSH_PULL = 0,
+    GPIO_OUTPUT_OPEN_DRAIN = 1
+} GpioOutputType_t;
+
+/* GPIO Pull Configuration */
+typedef enum {
+    GPIO_PULL_NONE = 0,
+    GPIO_PULL_UP = 1,
+    GPIO_PULL_DOWN = 2
+} GpioPull_t;
+
+/* GPIO Speed */
+typedef enum {
+    GPIO_SPEED_LOW = 0,
+    GPIO_SPEED_MEDIUM = 1,
+    GPIO_SPEED_HIGH = 2,
+    GPIO_SPEED_VERY_HIGH = 3
+} GpioSpeed_t;
+
+/* GPIO Alternate Functions */
+typedef enum {
+    GPIO_AF0 = 0,
+    GPIO_AF1 = 1,
+    GPIO_AF2 = 2,
+    GPIO_AF3 = 3,
+    GPIO_AF4 = 4,
+    GPIO_AF5 = 5,
+    GPIO_AF6 = 6,
+    GPIO_AF7 = 7,
+    GPIO_AF8 = 8,
+    GPIO_AF9 = 9,
+    GPIO_AF10 = 10,
+    GPIO_AF11 = 11,
+    GPIO_AF12 = 12,
+    GPIO_AF13 = 13,
+    GPIO_AF14 = 14,
+    GPIO_AF15 = 15
+} GpioAlternateFunction_t;
+
+/* GPIO Interrupt Triggers */
+typedef enum {
+    GPIO_INTERRUPT_NONE = 0,
+    GPIO_INTERRUPT_RISING = 1,
+    GPIO_INTERRUPT_FALLING = 2,
+    GPIO_INTERRUPT_BOTH = 3
+} GpioInterruptTrigger_t;
+
+/* GPIO Pin Configuration */
+typedef struct {
+    uint8_t port;
+    uint8_t pin;
+    GpioMode_t mode;
+    GpioOutputType_t output_type;
+    GpioPull_t pull;
+    GpioSpeed_t speed;
+    GpioAlternateFunction_t alternate_function;
+} GpioPinConfig_t;
+
+/* GPIO Interrupt Configuration */
+typedef struct {
+    uint8_t port;
+    uint8_t pin;
+    GpioInterruptTrigger_t trigger;
+    void (*callback)(uint8_t port, uint8_t pin);
+} GpioInterruptConfig_t;
+
+/* GPIO Driver Interface */
+KernelStatus_t gpio_init(const GpioPinConfig_t* config);
+KernelStatus_t gpio_deinit(uint8_t port, uint8_t pin);
+KernelStatus_t gpio_set_mode(uint8_t port, uint8_t pin, GpioMode_t mode);
+KernelStatus_t gpio_set_output_type(uint8_t port, uint8_t pin, GpioOutputType_t type);
+KernelStatus_t gpio_set_pull(uint8_t port, uint8_t pin, GpioPull_t pull);
+KernelStatus_t gpio_set_speed(uint8_t port, uint8_t pin, GpioSpeed_t speed);
+KernelStatus_t gpio_set_alternate_function(uint8_t port, uint8_t pin,
+                                           GpioAlternateFunction_t af);
+KernelStatus_t gpio_write(uint8_t port, uint8_t pin, bool value);
+KernelStatus_t gpio_write_port(uint8_t port, uint16_t value);
+bool gpio_read(uint8_t port, uint8_t pin);
+uint16_t gpio_read_port(uint8_t port);
+KernelStatus_t gpio_toggle(uint8_t port, uint8_t pin);
+KernelStatus_t gpio_configure_interrupt(const GpioInterruptConfig_t* config);
+KernelStatus_t gpio_enable_interrupt(uint8_t port, uint8_t pin);
+KernelStatus_t gpio_disable_interrupt(uint8_t port, uint8_t pin);
+void gpio_process_interrupt(uint8_t port);
+
+#endif /* GPIO_DRIVER_H */