mch2022-talktopics/factory_test/main/hardware.h

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#pragma once
#include <sdkconfig.h>
#include <esp_err.h>
#include <driver/spi_master.h>
#include "pca9555.h"
esp_err_t hardware_init();
PCA9555* get_pca9555();
// Interrupts
#define GPIO_INT_STM32 0
#define GPIO_INT_PCA9555 34
#define GPIO_INT_ACCEL 36
#define GPIO_INT_FPGA 39
// SD card
#define SD_PWR 5
#define SD_D0 2
#define SD_CLK 14
#define SD_CMD 15
// I2S audio
#define GPIO_I2S_CLK 14
#define GPIO_I2S_DATA 13
#define GPIO_I2S_LR 4
// System I2C bus
#define GPIO_I2C_SYS_SCL 21
#define GPIO_I2C_SYS_SDA 22
#define I2C_BUS_SYS 0
#define I2C_SPEED_SYS 40000
// PCA9555 IO expander
#define PCA9555_ADDR 0x26
#define PCA9555_PIN_STM32_RESET 0
#define PCA9555_PIN_STM32_BOOT0 1
#define PCA9555_PIN_FPGA_RESET 2
#define PCA9555_PIN_FPGA_CDONE 3
#define PCA9555_PIN_BTN_START 5
#define PCA9555_PIN_BTN_SELECT 6
#define PCA9555_PIN_BTN_MENU 7
#define PCA9555_PIN_BTN_HOME 8
#define PCA9555_PIN_BTN_JOY_LEFT 9
#define PCA9555_PIN_BTN_JOY_PRESS 10
#define PCA9555_PIN_BTN_JOY_DOWN 11
#define PCA9555_PIN_BTN_JOY_UP 12
#define PCA9555_PIN_BTN_JOY_RIGHT 13
#define PCA9555_PIN_BTN_BACK 14
#define PCA9555_PIN_BTN_ACCEPT 15
// User I2C bus
#define GPIO_I2C_EXT_SCL 25
#define GPIO_I2C_EXT_SDA 26
#define I2C_BUS_EXT 1
#define I2C_SPEED_EXT 40000
// SPI bus
#define GPIO_SPI_CLK 18
#define GPIO_SPI_MOSI 23
#define GPIO_SPI_MISO 35
#define GPIO_SPI_CS_STM32 19
#define GPIO_SPI_CS_FPGA 27
#define GPIO_SPI_CS_LCD 32
#define GPIO_SPI_DC_LCD 33
#define SPI_BUS VSPI_HOST
#define SPI_MAX_TRANSFER_SIZE 4094
#define SPI_DMA_CHANNEL 2