demo/include/platform/posix/board.h

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8.3 KiB
C
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#ifndef __INCLUDE_PLATFORM_POSIX_BOARD_H__
#define __INCLUDE_PLATFORM_POSIX_BOARD_H__
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#include "driver.h"
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#include "i2c.h"
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#include "ssd1306.h"
#include "st7789.h"
#include "gpio.h"
#include "spi.h"
// Board file for the posix board
//// ST7789 LCD
// spi
static const char * const spi_dev_name = "/dev/spidev0.0";
static struct spi spi0 = {
.spi_device = spi_dev_name,
.mode = SPI_MODE_0,
.bits_per_word = 8,
.speed = 20000000,
};
static const struct driver spi0_drv = {
.fp = &spi_fp,
.dev = &spi0,
};
// data/command select gpio
static const struct gpio dc_select = {
.pin = 25,
};
static const struct driver dc_drv = {
.fp = &gpio_fp,
.dev = &dc_select,
};
// backlight gpio
static const struct gpio bl_select = {
.pin = 24,
};
static const struct driver bl_drv = {
.fp = &gpio_fp,
.dev = &bl_select,
};
// reset gpio
static const struct gpio rst_select = {
.pin = 27,
};
static const struct driver rst_drv = {
.fp = &gpio_fp,
.dev = &rst_select,
};
// lcd
static const struct st7789 lcd_dev = {
.spi = &spi0_drv,
.dc = &dc_drv,
.bl = &bl_drv,
.rst = &rst_drv,
.height = 240,
.width = 240,
};
static const struct driver lcd_drv = {
.fp = &st7789_fp,
.dev = &lcd_dev,
};
#if 0
// I2C driver
static const char * const i2c_dev_name = "/dev/i2c-1";
static struct i2c i2c_dev = {
.i2c_device = i2c_dev_name,
.slave_addr = 0x3c,
};
const char i2c_name[] = "i2c-1";
static const struct driver i2c_drv = {
.name = i2c_name,
.fp = &i2c_fp,
.dev = &i2c_dev,
};
// SSD 1306 driver
static char display_buffer[(SSD1306_LCDHEIGHT * SSD1306_LCDWIDTH / 8) + 1] = {
0x40,
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0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
0x80, 0xFF, 0xFF, 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x80, 0x80,
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0xFF, 0xFF, 0x00, 0x38, 0xFE, 0xC7, 0x83, 0x01, 0x01, 0x01, 0x83, 0xC7, 0xFF, 0xFF, 0x00, 0x00,
0x01, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0xFF, 0xFF, 0x07, 0x01, 0x01, 0x01, 0x00, 0x00, 0x7F, 0xFF,
0x80, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF,
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};
static const struct ssd1306 display_dev = {
.output_dev = &i2c_drv,
.output_buffer = &display_buffer[0],
.bitmap = &display_buffer[1],
.width = SSD1306_LCDWIDTH,
.heigth = SSD1306_LCDHEIGHT,
};
const char ssd1306_name[] = "ssd1306";
static const struct driver ssd1306_drv = {
.name = ssd1306_name,
.fp = &ssd1306_fp,
.dev = &display_dev,
};
#endif
#endif