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