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M5AtomDisplay.hpp
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M5AtomDisplay.hpp
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#pragma once
#if defined ( ESP_PLATFORM )
#include <sdkconfig.h>
#include <soc/efuse_reg.h>
#define LGFX_USE_V1
#include <lgfx/v1/panel/Panel_M5HDMI.hpp>
#include <LovyanGFX.hpp>
#ifndef M5ATOMDISPLAY_LOGICAL_WIDTH
#define M5ATOMDISPLAY_LOGICAL_WIDTH 1280
#endif
#ifndef M5ATOMDISPLAY_LOGICAL_HEIGHT
#define M5ATOMDISPLAY_LOGICAL_HEIGHT 720
#endif
#ifndef M5ATOMDISPLAY_REFRESH_RATE
#define M5ATOMDISPLAY_REFRESH_RATE 0.0f
#endif
#ifndef M5ATOMDISPLAY_OUTPUT_WIDTH
#define M5ATOMDISPLAY_OUTPUT_WIDTH 0
#endif
#ifndef M5ATOMDISPLAY_OUTPUT_HEIGHT
#define M5ATOMDISPLAY_OUTPUT_HEIGHT 0
#endif
#ifndef M5ATOMDISPLAY_SCALE_W
#define M5ATOMDISPLAY_SCALE_W 0
#endif
#ifndef M5ATOMDISPLAY_SCALE_H
#define M5ATOMDISPLAY_SCALE_H 0
#endif
#ifndef M5ATOMDISPLAY_PIXELCLOCK
#define M5ATOMDISPLAY_PIXELCLOCK 74250000
#endif
#ifndef M5ATOMDISPLAY_SPI_DMA_CH
#if __has_include(<esp_idf_version.h>)
#include <esp_idf_version.h>
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
#define M5ATOMDISPLAY_SPI_DMA_CH SPI_DMA_CH_AUTO
#endif
#endif
#ifndef M5ATOMDISPLAY_SPI_DMA_CH
#define M5ATOMDISPLAY_SPI_DMA_CH 1
#endif
#endif
class M5AtomDisplay : public lgfx::LGFX_Device
{
lgfx::Panel_M5HDMI _panel_instance;
lgfx::Bus_SPI _bus_instance;
public:
M5AtomDisplay( uint16_t logical_width = M5ATOMDISPLAY_LOGICAL_WIDTH
, uint16_t logical_height = M5ATOMDISPLAY_LOGICAL_HEIGHT
, float refresh_rate = M5ATOMDISPLAY_REFRESH_RATE
, uint16_t output_width = M5ATOMDISPLAY_OUTPUT_WIDTH
, uint16_t output_height = M5ATOMDISPLAY_OUTPUT_HEIGHT
, uint_fast8_t scale_w = M5ATOMDISPLAY_SCALE_W
, uint_fast8_t scale_h = M5ATOMDISPLAY_SCALE_H
, uint32_t pixel_clock = M5ATOMDISPLAY_PIXELCLOCK
)
{
lgfx::Panel_M5HDMI::config_resolution_t cfg_reso;
cfg_reso.logical_width = logical_width;
cfg_reso.logical_height = logical_height;
cfg_reso.refresh_rate = refresh_rate;
cfg_reso.output_width = output_width;
cfg_reso.output_height = output_height;
cfg_reso.scale_w = scale_w;
cfg_reso.scale_h = scale_h;
cfg_reso.pixel_clock = pixel_clock;
_panel_instance.config_resolution(cfg_reso);
_board = lgfx::board_t::board_M5AtomDisplay;
}
bool init_impl(bool use_reset, bool use_clear) override
{
#if defined (CONFIG_IDF_TARGET_ESP32S3)
// for AtomS3/AtomS3Lite
static constexpr int i2c_port = 1;
static constexpr int i2c_sda = GPIO_NUM_38;
static constexpr int i2c_scl = GPIO_NUM_39;
static constexpr int spi_cs = GPIO_NUM_8;
static constexpr int spi_mosi = GPIO_NUM_6;
static constexpr int spi_miso = GPIO_NUM_5;
static constexpr int spi_sclk = GPIO_NUM_7;
spi_host_device_t spi_host = SPI2_HOST;
#elif !defined (CONFIG_IDF_TARGET) || defined (CONFIG_IDF_TARGET_ESP32)
static constexpr int i2c_port = 1;
static constexpr int i2c_sda = GPIO_NUM_25;
static constexpr int i2c_scl = GPIO_NUM_21;
static constexpr int spi_cs = GPIO_NUM_33;
static constexpr int spi_mosi = GPIO_NUM_19;
static constexpr int spi_miso = GPIO_NUM_22;
spi_host_device_t spi_host = VSPI_HOST;
int spi_sclk = (lgfx::get_pkg_ver() == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4)
? GPIO_NUM_23 // for ATOM Lite / Matrix
: GPIO_NUM_5 // for ATOM PSRAM
;
#endif
{
auto cfg = _bus_instance.config();
cfg.freq_write = 80000000;
cfg.freq_read = 16000000;
cfg.spi_host = spi_host;
cfg.spi_mode = 3;
cfg.use_lock = true;
cfg.pin_mosi = spi_mosi;
cfg.pin_miso = spi_miso;
cfg.pin_sclk = spi_sclk;
cfg.spi_3wire = false;
cfg.dma_channel = M5ATOMDISPLAY_SPI_DMA_CH;
_bus_instance.config(cfg);
_panel_instance.setBus(&_bus_instance);
}
{
auto cfg = _panel_instance.config_transmitter();
cfg.freq_read = 400000;
cfg.freq_write = 400000;
cfg.pin_scl = i2c_scl;
cfg.pin_sda = i2c_sda;
cfg.i2c_port = i2c_port;
cfg.i2c_addr = 0x39;
cfg.prefix_cmd = 0x00;
cfg.prefix_data = 0x00;
cfg.prefix_len = 0;
_panel_instance.config_transmitter(cfg);
}
{
auto cfg = _panel_instance.config();
cfg.offset_rotation = 3;
cfg.pin_cs = spi_cs;
cfg.readable = false;
cfg.bus_shared = false;
_panel_instance.config(cfg);
_panel_instance.setRotation(1);
}
setPanel(&_panel_instance);
return LGFX_Device::init_impl(use_reset, use_clear);
}
bool setResolution( uint16_t logical_width = M5ATOMDISPLAY_LOGICAL_WIDTH
, uint16_t logical_height = M5ATOMDISPLAY_LOGICAL_HEIGHT
, float refresh_rate = M5ATOMDISPLAY_REFRESH_RATE
, uint16_t output_width = M5ATOMDISPLAY_OUTPUT_WIDTH
, uint16_t output_height = M5ATOMDISPLAY_OUTPUT_HEIGHT
, uint_fast8_t scale_w = M5ATOMDISPLAY_SCALE_W
, uint_fast8_t scale_h = M5ATOMDISPLAY_SCALE_H
, uint32_t pixel_clock = M5ATOMDISPLAY_PIXELCLOCK
)
{
bool res = _panel_instance.setResolution
( logical_width
, logical_height
, refresh_rate
, output_width
, output_height
, scale_w
, scale_h
, pixel_clock
);
setRotation(getRotation());
return res;
}
};
#endif