mch2022-template-app/components/mch2022-bsp/rp2040.h
2022-04-23 04:00:55 +02:00

144 lines
3.9 KiB
C

#pragma once
#include <esp_err.h>
#include <esp_log.h>
#include <stdint.h>
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <freertos/task.h>
#include <freertos/queue.h>
enum {
RP2040_REG_FW_VER = 0,
RP2040_REG_GPIO_DIR,
RP2040_REG_GPIO_IN,
RP2040_REG_GPIO_OUT,
RP2040_REG_LCD_BACKLIGHT,
RP2040_REG_FPGA,
RP2040_REG_INPUT1,
RP2040_REG_INPUT2,
RP2040_REG_INTERRUPT1,
RP2040_REG_INTERRUPT2,
RP2040_REG_ADC_TRIGGER,
RP2040_REG_ADC_VALUE_VUSB1,
RP2040_REG_ADC_VALUE_VUSB2,
RP2040_REG_ADC_VALUE_VBAT1,
RP2040_REG_ADC_VALUE_VBAT2,
RP2040_REG_USB,
RP2040_REG_SCRATCH0, // Used by the ESP32 to store boot parameters, can also be read and written to from WebUSB
RP2040_REG_SCRATCH1,
RP2040_REG_SCRATCH2,
RP2040_REG_SCRATCH3,
RP2040_REG_SCRATCH4,
RP2040_REG_SCRATCH5,
RP2040_REG_SCRATCH6,
RP2040_REG_SCRATCH7,
RP2040_REG_SCRATCH8,
RP2040_REG_SCRATCH9,
RP2040_REG_SCRATCH10,
RP2040_REG_SCRATCH11,
RP2040_REG_SCRATCH12,
RP2040_REG_SCRATCH13,
RP2040_REG_SCRATCH14,
RP2040_REG_SCRATCH15,
RP2040_REG_SCRATCH16,
RP2040_REG_SCRATCH17,
RP2040_REG_SCRATCH18,
RP2040_REG_SCRATCH19,
RP2040_REG_SCRATCH20,
RP2040_REG_SCRATCH21,
RP2040_REG_SCRATCH22,
RP2040_REG_SCRATCH23,
RP2040_REG_SCRATCH24,
RP2040_REG_SCRATCH25,
RP2040_REG_SCRATCH26,
RP2040_REG_SCRATCH27,
RP2040_REG_SCRATCH28,
RP2040_REG_SCRATCH29,
RP2040_REG_SCRATCH30,
RP2040_REG_SCRATCH31,
RP2040_REG_SCRATCH32,
RP2040_REG_SCRATCH33,
RP2040_REG_SCRATCH34,
RP2040_REG_SCRATCH35,
RP2040_REG_SCRATCH36,
RP2040_REG_SCRATCH37,
RP2040_REG_SCRATCH38,
RP2040_REG_SCRATCH39,
RP2040_REG_SCRATCH40,
RP2040_REG_SCRATCH41,
RP2040_REG_SCRATCH42,
RP2040_REG_SCRATCH43,
RP2040_REG_SCRATCH44,
RP2040_REG_SCRATCH45,
RP2040_REG_SCRATCH46,
RP2040_REG_SCRATCH47,
RP2040_REG_SCRATCH48,
RP2040_REG_SCRATCH49,
RP2040_REG_SCRATCH50,
RP2040_REG_SCRATCH51,
RP2040_REG_SCRATCH52,
RP2040_REG_SCRATCH53,
RP2040_REG_SCRATCH54,
RP2040_REG_SCRATCH55,
RP2040_REG_SCRATCH56,
RP2040_REG_SCRATCH57,
RP2040_REG_SCRATCH58,
RP2040_REG_SCRATCH59,
RP2040_REG_SCRATCH60,
RP2040_REG_SCRATCH61,
RP2040_REG_SCRATCH62,
RP2040_REG_SCRATCH63
};
enum {
RP2040_INPUT_BUTTON_HOME = 0,
RP2040_INPUT_BUTTON_MENU,
RP2040_INPUT_BUTTON_START,
RP2040_INPUT_BUTTON_ACCEPT,
RP2040_INPUT_BUTTON_BACK,
RP2040_INPUT_FPGA_CDONE,
RP2040_INPUT_BATTERY_CHARGING,
RP2040_INPUT_BUTTON_SELECT,
RP2040_INPUT_JOYSTICK_LEFT,
RP2040_INPUT_JOYSTICK_PRESS,
RP2040_INPUT_JOYSTICK_DOWN,
RP2040_INPUT_JOYSTICK_UP,
RP2040_INPUT_JOYSTICK_RIGHT
};
typedef void (*rp2040_intr_t)();
typedef struct {
int i2c_bus;
int i2c_address;
int pin_interrupt;
xQueueHandle queue;
rp2040_intr_t _intr_handler;
TaskHandle_t _intr_task_handle;
xSemaphoreHandle _intr_trigger;
uint8_t _gpio_direction;
uint8_t _gpio_value;
} RP2040;
typedef struct _rp2040_input_message {
uint8_t input;
bool state;
} rp2040_input_message_t;
esp_err_t rp2040_init(RP2040* device);
esp_err_t rp2040_get_firmware_version(RP2040* device, uint8_t* version);
esp_err_t rp2040_get_gpio_dir(RP2040* device, uint8_t gpio, bool* direction);
esp_err_t rp2040_set_gpio_dir(RP2040* device, uint8_t gpio, bool direction);
esp_err_t rp2040_get_gpio_value(RP2040* device, uint8_t gpio, bool* value);
esp_err_t rp2040_set_gpio_value(RP2040* device, uint8_t gpio, bool value);
esp_err_t rp2040_get_lcd_backlight(RP2040* device, uint8_t* brightness);
esp_err_t rp2040_set_lcd_backlight(RP2040* device, uint8_t brightness);
esp_err_t rp2040_set_fpga(RP2040* device, bool enabled);
esp_err_t rp2040_read_buttons(RP2040* device, uint16_t* value);