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M5GFX.cpp
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// Copyright (c) M5Stack. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
#include "M5GFX.h"
#if defined ( ESP_PLATFORM )
#include <cstdint>
#include <sdkconfig.h>
#include <nvs.h>
#include <esp_log.h>
#include <driver/i2c.h>
#include <soc/efuse_reg.h>
#include <soc/gpio_reg.h>
#include "lgfx/v1/panel/Panel_ILI9342.hpp"
#include "lgfx/v1/panel/Panel_ST7735.hpp"
#include "lgfx/v1/panel/Panel_ST7789.hpp"
#include "lgfx/v1/panel/Panel_GC9A01.hpp"
#include "lgfx/v1/panel/Panel_GDEW0154M09.hpp"
#include "lgfx/v1/panel/Panel_GDEW0154D67.hpp"
#include "lgfx/v1/panel/Panel_IT8951.hpp"
#include "lgfx/v1/touch/Touch_CST816S.hpp"
#include "lgfx/v1/touch/Touch_FT5x06.hpp"
#include "lgfx/v1/touch/Touch_GT911.hpp"
#if defined ( CONFIG_IDF_TARGET_ESP32S3 )
// for M5PaperS3
#if __has_include (<epdiy.h>) && defined (CONFIG_ESP32S3_SPIRAM_SUPPORT) && defined (CONFIG_SPIRAM_MODE_OCT)
extern "C" {
#include <epdiy.h>
#include <epd_board.h>
#include <epd_highlevel.h>
#include <output_lcd/lcd_driver.h>
#include <output_common/render_method.h>
};
#include <lgfx/v1/panel/Panel_EPDiy.hpp>
static EpdBoardDefinition _epd_board;
static EpdiyHighlevelState _epd_hl;
#define EPD_SPV GPIO_NUM_17
#define EPD_EN GPIO_NUM_45
#define BST_EN GPIO_NUM_46
#define EPD_XLE GPIO_NUM_15
/* Control Lines */
#define CKV GPIO_NUM_18
#define STH GPIO_NUM_13
/* Edges */
#define CKH GPIO_NUM_16
/* Data Lines */
#define D7 GPIO_NUM_10
#define D6 GPIO_NUM_8
#define D5 GPIO_NUM_11
#define D4 GPIO_NUM_9
#define D3 GPIO_NUM_12
#define D2 GPIO_NUM_7
#define D1 GPIO_NUM_14
#define D0 GPIO_NUM_6
static void epd_board_init(uint32_t epd_row_width) {
gpio_hold_dis(CKH); // free CKH after wakeup
m5gfx::pinMode(EPD_SPV, m5gfx::pin_mode_t::output);
m5gfx::pinMode(EPD_EN, m5gfx::pin_mode_t::output);
m5gfx::pinMode(BST_EN, m5gfx::pin_mode_t::output);
m5gfx::pinMode(EPD_XLE, m5gfx::pin_mode_t::output);
m5gfx::gpio_lo(EPD_XLE);
m5gfx::gpio_hi(EPD_SPV);
m5gfx::gpio_lo(EPD_EN);
m5gfx::gpio_lo(BST_EN);
lcd_bus_config_t lcd_config;
lcd_config.clock = CKH;
lcd_config.ckv = CKV;
lcd_config.leh = EPD_XLE;
lcd_config.start_pulse = STH;
lcd_config.stv = EPD_SPV;
lcd_config.data[0] = D0;
lcd_config.data[1] = D1;
lcd_config.data[2] = D2;
lcd_config.data[3] = D3;
lcd_config.data[4] = D4;
lcd_config.data[5] = D5;
lcd_config.data[6] = D6;
lcd_config.data[7] = D7;
const EpdDisplay_t* display = epd_get_display();
LcdEpdConfig_t config;
config.pixel_clock = display->bus_speed * 1000 * 1000;
config.ckv_high_time = 60;
config.line_front_porch = 4;
config.le_high_time = 4;
config.bus_width = display->bus_width;
config.bus = lcd_config;
epd_lcd_init(&config, display->width, display->height);
}
static void epd_board_deinit() {
m5gfx::gpio_lo(EPD_XLE);
m5gfx::gpio_lo(EPD_SPV);
m5gfx::gpio_lo(EPD_EN);
m5gfx::gpio_lo(BST_EN);
}
static void epd_board_set_ctrl(epd_ctrl_state_t *state, const epd_ctrl_state_t * const mask) {
if (state->ep_sth) {
m5gfx::gpio_hi(STH);
} else {
m5gfx::gpio_lo(STH);
}
if (state->ep_stv) {
m5gfx::gpio_hi(EPD_SPV);
} else {
m5gfx::gpio_lo(EPD_SPV);
}
if (state->ep_latch_enable) {
m5gfx::gpio_hi(EPD_XLE);
m5gfx::gpio_hi(EPD_XLE);
} else {
m5gfx::gpio_lo(EPD_XLE);
m5gfx::gpio_lo(EPD_XLE);
}
}
static void epd_board_poweron(epd_ctrl_state_t *state) {
m5gfx::gpio_hi(EPD_EN);
m5gfx::delayMicroseconds(100);
m5gfx::gpio_hi(BST_EN);
m5gfx::delayMicroseconds(100);
m5gfx::gpio_hi(EPD_SPV);
m5gfx::gpio_hi(STH);
}
static void epd_board_poweroff(epd_ctrl_state_t *state) {
// m5gfx::gpio_lo(BST_EN);
// m5gfx::delayMicroseconds(10);
// m5gfx::gpio_lo(EPD_EN);
// m5gfx::delayMicroseconds(100);
m5gfx::gpio_lo(EPD_SPV);
// ESP_LOGW("epd", "Power off");
}
static float epd_board_ambient_temperature() {
return 25;
}
static void set_vcom(int value) {
}
#endif
#endif
#else
#include "lgfx/v1/platforms/sdl/Panel_sdl.hpp"
#include "picture_frame/picture_frame.h"
#endif
namespace m5gfx
{
static constexpr char LIBRARY_NAME[] = "M5GFX";
M5GFX* M5GFX::_instance = nullptr;
M5GFX::M5GFX(void) : LGFX_Device()
{
if (_instance == nullptr) _instance = this;
}
#if defined ( ESP_PLATFORM )
void i2c_write_register8_array(int_fast16_t i2c_port, uint_fast8_t i2c_addr, const uint8_t* reg_data_mask, uint32_t freq)
{
while (reg_data_mask[0] != 0xFF || reg_data_mask[1] != 0xFF || reg_data_mask[2] != 0xFF)
{
lgfx::i2c::writeRegister8(i2c_port, i2c_addr, reg_data_mask[0], reg_data_mask[1], reg_data_mask[2], freq);
reg_data_mask += 3;
}
}
#if !defined (CONFIG_IDF_TARGET) || defined (CONFIG_IDF_TARGET_ESP32)
static constexpr std::int32_t axp_i2c_freq = 400000;
static constexpr std::uint_fast8_t axp_i2c_addr = 0x34;
static constexpr std::int_fast16_t axp_i2c_port = I2C_NUM_1;
static constexpr std::int_fast16_t axp_i2c_sda = GPIO_NUM_21;
static constexpr std::int_fast16_t axp_i2c_scl = GPIO_NUM_22;
struct Panel_M5Stack : public lgfx::Panel_ILI9342
{
Panel_M5Stack(void)
{
_cfg.pin_cs = GPIO_NUM_14;
_cfg.pin_rst = GPIO_NUM_33;
_cfg.offset_rotation = 3;
_rotation = 1;
}
bool init(bool use_reset) override
{
_cfg.invert = lgfx::gpio::command(
(const uint8_t[]) {
lgfx::gpio::command_mode_output , GPIO_NUM_33,
lgfx::gpio::command_write_low , GPIO_NUM_33,
lgfx::gpio::command_mode_input_pulldown, GPIO_NUM_33,
lgfx::gpio::command_write_high , GPIO_NUM_33,
lgfx::gpio::command_read , GPIO_NUM_33,
lgfx::gpio::command_mode_output , GPIO_NUM_33,
lgfx::gpio::command_end
});
return lgfx::Panel_ILI9342::init(use_reset);
}
};
struct Panel_M5StackCore2 : public lgfx::Panel_ILI9342
{
Panel_M5StackCore2(void)
{
_cfg.pin_cs = GPIO_NUM_5;
_cfg.invert = true;
_cfg.offset_rotation = 3;
_rotation = 1; // default rotation
}
void rst_control(bool level) override
{
uint8_t bits = level ? 2 : 0;
uint8_t mask = level ? ~0 : ~2;
// AXP192 reg 0x96 = GPIO3&4 control
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x96, bits, mask, axp_i2c_freq);
}
};
struct Light_M5StackCore2 : public lgfx::ILight
{
bool init(std::uint8_t brightness) override
{
setBrightness(brightness);
return true;
}
void setBrightness(std::uint8_t brightness) override
{
if (brightness)
{
brightness = (brightness >> 3) + 72;
lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 0x02, axp_i2c_freq); // DC3 enable
}
else
{
lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 0x02, axp_i2c_freq); // DC3 disable
}
// AXP192 reg 0x27 = DC3
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x27, brightness, 0x80, axp_i2c_freq);
}
};
struct Light_M5StackCore2_AXP2101 : public lgfx::ILight
{
bool init(std::uint8_t brightness) override
{
setBrightness(brightness);
return true;
}
void setBrightness(std::uint8_t brightness) override
{
// BLDO1
if (brightness)
{
brightness = ((brightness + 641) >> 5);
lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x90, 0x10, axp_i2c_freq); // BLDO1 enable
}
else
{
lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x90, 0x10, axp_i2c_freq); // BLDO1 disable
}
// AXP192 reg 0x96 = BLO1 voltage setting (0.5v ~ 3.5v 100mv/step)
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x96, brightness, 0, axp_i2c_freq);
}
};
struct Light_M5Tough : public lgfx::ILight
{
bool init(std::uint8_t brightness) override
{
setBrightness(brightness);
return true;
}
void setBrightness(std::uint8_t brightness) override
{
if (brightness)
{
if (brightness > 4)
{
brightness = (brightness / 24) + 5;
}
lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 0x08, axp_i2c_freq); // LDO3 enable
}
else
{
lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 0x08, axp_i2c_freq); // LDO3 disable
}
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x28, brightness, 0xF0, axp_i2c_freq);
}
};
struct Touch_M5Tough : public lgfx::ITouch
{
void wakeup(void) override {}
void sleep(void) override {}
bool init(void) override
{
_inited = false;
if (isSPI()) return false;
if (_cfg.pin_int >= 0)
{
lgfx::pinMode(_cfg.pin_int, lgfx::pin_mode_t::input);
}
_inited = lgfx::i2c::init(_cfg.i2c_port, _cfg.pin_sda, _cfg.pin_scl).has_value();
static constexpr uint8_t irq_modechange_cmd[] = { 0x5a, 0x5a }; /// (INT mode change)
lgfx::i2c::transactionWrite(_cfg.i2c_port, _cfg.i2c_addr, irq_modechange_cmd, 2);
return _inited;
}
std::uint_fast8_t getTouchRaw(touch_point_t *tp, std::uint_fast8_t count) override
{
if (tp) tp->size = 0;
if (!_inited || count == 0) return 0;
if (count > 2) count = 2; // max 2 point.
if (_cfg.pin_int >= 0)
{
if (gpio_in(_cfg.pin_int)) return 0;
}
std::size_t len = 3 + count * 6;
std::uint8_t buf[2][len];
std::int32_t retry = 5;
bool flip = false;
std::uint8_t* tmp;
for (;;)
{
tmp = buf[flip];
memset(tmp, 0, len);
if (lgfx::i2c::beginTransaction(_cfg.i2c_port, _cfg.i2c_addr, _cfg.freq, false))
{
static constexpr std::uint8_t reg_number = 2;
if (lgfx::i2c::writeBytes(_cfg.i2c_port, ®_number, 1)
&& lgfx::i2c::restart(_cfg.i2c_port, _cfg.i2c_addr, _cfg.freq, true)
&& lgfx::i2c::readBytes(_cfg.i2c_port, tmp, 1)
&& (tmp[0] != 0))
{
flip = !flip;
std::size_t points = std::min<std::uint_fast8_t>(count, tmp[0]);
if (points && lgfx::i2c::readBytes(_cfg.i2c_port, &tmp[1], points * 6 - 2))
{}
}
if (lgfx::i2c::endTransaction(_cfg.i2c_port)) {}
if (tmp[0] == 0 || memcmp(buf[0], buf[1], len) == 0) break;
}
if (0 == --retry) return 0;
}
if (count > tmp[0]) count = tmp[0];
for (std::size_t idx = 0; idx < count; ++idx)
{
auto data = &tmp[1 + idx * 6];
tp[idx].size = 1;
tp[idx].x = (data[0] & 0x0F) << 8 | data[1];
tp[idx].y = (data[2] & 0x0F) << 8 | data[3];
tp[idx].id = idx;
}
return count;
}
};
struct Panel_M5StickC : public lgfx::Panel_ST7735S
{
Panel_M5StickC(void)
{
_cfg.invert = true;
_cfg.pin_cs = GPIO_NUM_5;
_cfg.pin_rst = GPIO_NUM_18;
_cfg.panel_width = 80;
_cfg.panel_height = 160;
_cfg.offset_x = 26;
_cfg.offset_y = 1;
_cfg.offset_rotation = 2;
}
protected:
const std::uint8_t* getInitCommands(std::uint8_t listno) const override
{
static constexpr std::uint8_t list[] = {
CMD_GAMMASET, 1, 0x08, // Gamma set, curve 4
0xFF,0xFF, // end
};
if (listno == 2) return list;
return Panel_ST7735S::getInitCommands(listno);
}
};
struct Light_M5StickC : public lgfx::ILight
{
bool init(std::uint8_t brightness) override
{
lgfx::i2c::init(axp_i2c_port, axp_i2c_sda, axp_i2c_scl);
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x12, 0x4D, ~0, axp_i2c_freq);
setBrightness(brightness);
return true;
}
void setBrightness(std::uint8_t brightness) override
{
if (brightness)
{
brightness = (((brightness >> 1) + 8) / 13) + 5;
lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 1 << 2, axp_i2c_freq);
}
else
{
lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 1 << 2, axp_i2c_freq);
}
lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x28, brightness << 4, 0x0F, axp_i2c_freq);
}
};
struct Panel_M5StickCPlus : public lgfx::Panel_ST7789
{
Panel_M5StickCPlus(void)
{
_cfg.invert = true;
_cfg.pin_cs = GPIO_NUM_5;
_cfg.pin_rst = GPIO_NUM_18;
_cfg.panel_width = 135;
_cfg.panel_height = 240;
_cfg.offset_x = 52;
_cfg.offset_y = 40;
}
};
#elif defined (CONFIG_IDF_TARGET_ESP32S3)
static constexpr int32_t i2c_freq = 400000;
static constexpr int_fast16_t aw9523_i2c_addr = 0x58; // AW9523B
static constexpr int_fast16_t axp_i2c_addr = 0x34; // AXP2101
static constexpr int_fast16_t gc0308_i2c_addr = 0x21; // GC0308
static constexpr int_fast16_t i2c_port = I2C_NUM_1;
static constexpr int_fast16_t i2c_sda = GPIO_NUM_12;
static constexpr int_fast16_t i2c_scl = GPIO_NUM_11;
struct Panel_M5StackCoreS3 : public lgfx::Panel_ILI9342
{
Panel_M5StackCoreS3(void)
{
_cfg.pin_cs = GPIO_NUM_3;
_cfg.invert = true;
_cfg.offset_rotation = 3;
_rotation = 1; // default rotation
}
void rst_control(bool level) override
{
uint8_t bits = level ? (1<<5) : 0;
uint8_t mask = level ? ~0 : ~(1<<5);
// LCD_RST
lgfx::i2c::writeRegister8(i2c_port, aw9523_i2c_addr, 0x03, bits, mask, i2c_freq);
}
void cs_control(bool flg) override
{
lgfx::Panel_ILI9342::cs_control(flg);
// CS操作時にGPIO35の役割を切り替える (MISO or D/C);
// FSPIQ_IN_IDX==FSPI MISO / SIG_GPIO_OUT_IDX==GPIO OUT
// *(volatile uint32_t*)GPIO_FUNC35_OUT_SEL_CFG_REG = flg ? FSPIQ_OUT_IDX : SIG_GPIO_OUT_IDX;
// CS HIGHの場合はGPIO出力を無効化し、MISO入力として機能させる。
// CS LOW の場合はGPIO出力を有効化し、D/Cとして機能させる。
*(volatile uint32_t*)( flg
? GPIO_ENABLE1_W1TC_REG
: GPIO_ENABLE1_W1TS_REG
) = 1u << (GPIO_NUM_35 & 31);
}
};
struct Touch_M5StackCoreS3 : public lgfx::Touch_FT5x06
{
Touch_M5StackCoreS3(void)
{
_cfg.pin_int = GPIO_NUM_21;
_cfg.pin_sda = i2c_sda;
_cfg.pin_scl = i2c_scl;
_cfg.i2c_addr = 0x38;
_cfg.i2c_port = i2c_port;
_cfg.freq = i2c_freq;
_cfg.x_min = 0;
_cfg.x_max = 319;
_cfg.y_min = 0;
_cfg.y_max = 239;
_cfg.bus_shared = false;
}
uint_fast8_t getTouchRaw(touch_point_t* tp, uint_fast8_t count) override
{
uint_fast8_t res = 0;
if (!gpio_in(_cfg.pin_int))
{
res = lgfx::Touch_FT5x06::getTouchRaw(tp, count);
if (res == 0)
{ /// clear INT.
// レジスタ 0x00を読み出すとPort0のINTがクリアされ、レジスタ 0x01を読み出すとPort1のINTがクリアされる。
lgfx::i2c::readRegister8(i2c_port, aw9523_i2c_addr, 0x00, i2c_freq);
lgfx::i2c::readRegister8(i2c_port, aw9523_i2c_addr, 0x01, i2c_freq);
}
}
return res;
}
};
struct Light_M5StackCoreS3 : public lgfx::ILight
{
bool init(uint8_t brightness) override
{
setBrightness(brightness);
return true;
}
void setBrightness(uint8_t brightness) override
{
if (brightness)
{
brightness = ((brightness + 641) >> 5);
// AXP2101 reg 0x90 = LDOS ON/OFF control
lgfx::i2c::bitOn(i2c_port, axp_i2c_addr, 0x90, 0x80, i2c_freq); // DLDO1 enable
}
else
{
lgfx::i2c::bitOff(i2c_port, axp_i2c_addr, 0x90, 0x80, i2c_freq); // DLDO1 disable
}
// AXP2101 reg 0x99 = DLDO1 voltage setting
lgfx::i2c::writeRegister8(i2c_port, axp_i2c_addr, 0x99, brightness, 0, i2c_freq);
}
};
struct Light_M5StackAtomS3R : public lgfx::ILight
{
bool init(uint8_t brightness) override
{
lgfx::i2c::init(i2c_port, GPIO_NUM_45, GPIO_NUM_0);
lgfx::i2c::writeRegister8(i2c_port, 48, 0x00, 0b01000000, 0, i2c_freq);
lgfx::delay(1);
lgfx::i2c::writeRegister8(i2c_port, 48, 0x08, 0b00000001, 0, i2c_freq);
lgfx::i2c::writeRegister8(i2c_port, 48, 0x70, 0b00000000, 0, i2c_freq);
setBrightness(brightness);
return true;
}
void setBrightness(uint8_t brightness) override
{
lgfx::i2c::writeRegister8(i2c_port, 48, 0x0e, brightness, 0, i2c_freq);
}
};
#endif
__attribute__ ((unused))
static void _pin_level(std::int_fast16_t pin, bool level)
{
lgfx::pinMode(pin, lgfx::pin_mode_t::output);
if (level) lgfx::gpio_hi(pin);
else lgfx::gpio_lo(pin);
}
__attribute__ ((unused))
static void _pin_reset(std::int_fast16_t pin, bool use_reset)
{
lgfx::gpio_hi(pin);
lgfx::pinMode(pin, lgfx::pin_mode_t::output);
lgfx::delay(1);
if (!use_reset) return;
lgfx::gpio_lo(pin);
lgfx::delay(2);
lgfx::gpio_hi(pin);
lgfx::delay(10);
}
/// TF card dummy clock送信 ;
static void _send_sd_dummy_clock(int spi_host, int_fast16_t pin_cs)
{
static constexpr uint32_t dummy_clock[] = { ~0u, ~0u, ~0u, ~0u };
_pin_level(pin_cs, true);
m5gfx::spi::writeBytes(spi_host, (const uint8_t*)dummy_clock, sizeof(dummy_clock));
_pin_level(pin_cs, false);
}
/// TF card をSPIモードに移行する ;
__attribute__ ((unused))
static void _set_sd_spimode(int spi_host, int_fast16_t pin_cs)
{
m5gfx::spi::beginTransaction(spi_host, 400000, 0);
_send_sd_dummy_clock(spi_host, pin_cs);
uint8_t sd_cmd58[] = { 0x7A, 0, 0, 0, 0, 0xFD, 0xFF, 0xFF }; // READ_OCR command.
m5gfx::spi::readBytes(spi_host, sd_cmd58, sizeof(sd_cmd58));
if (sd_cmd58[6] == sd_cmd58[7]) // not SPI mode
{
_send_sd_dummy_clock(spi_host, pin_cs);
static constexpr uint8_t sd_cmd0[] = { 0x40, 0, 0, 0, 0, 0x95, 0xFF, 0xFF }; // GO_IDLE_STATE command.
m5gfx::spi::writeBytes(spi_host, sd_cmd0, sizeof(sd_cmd0));
}
_pin_level(pin_cs, true);
m5gfx::spi::endTransaction(spi_host);
}
__attribute__ ((unused))
static std::uint32_t _read_panel_id(lgfx::Bus_SPI* bus, std::int32_t pin_cs, std::uint32_t cmd = 0x04, std::uint8_t dummy_read_bit = 1) // 0x04 = RDDID command
{
bus->beginTransaction();
_pin_level(pin_cs, true);
bus->writeCommand(0, 8);
bus->wait();
_pin_level(pin_cs, false);
bus->writeCommand(cmd, 8);
bus->beginRead(dummy_read_bit);
std::uint32_t res = bus->readData(32);
bus->endTransaction();
_pin_level(pin_cs, true);
ESP_LOGD(LIBRARY_NAME, "[Autodetect] read cmd:%02x = %08x", (int)cmd, (int)res);
return res;
}
void M5GFX::_set_backlight(lgfx::ILight* bl)
{
// if (_light_last) { delete _light_last; }
_light_last.reset(bl);
_panel_last->setLight(bl);
}
void M5GFX::_set_pwm_backlight(std::int16_t pin, std::uint8_t ch, std::uint32_t freq, bool invert, uint8_t offset)
{
auto bl = new lgfx::Light_PWM();
auto cfg = bl->config();
cfg.pin_bl = pin;
cfg.freq = freq;
cfg.pwm_channel = ch;
cfg.offset = offset;
cfg.invert = invert;
bl->config(cfg);
_set_backlight(bl);
}
bool M5GFX::init_impl(bool use_reset, bool use_clear)
{
if (getBoard() != board_t::board_unknown)
{
return true;
}
static constexpr char NVS_KEY[] = "AUTODETECT";
std::uint32_t nvs_board = 0;
std::uint32_t nvs_handle = 0;
if (0 == nvs_open(LIBRARY_NAME, NVS_READONLY, &nvs_handle))
{
nvs_get_u32(nvs_handle, NVS_KEY, static_cast<uint32_t*>(&nvs_board));
nvs_close(nvs_handle);
ESP_LOGI(LIBRARY_NAME, "[Autodetect] load from NVS : board:%d", (int)nvs_board);
}
if (0 == nvs_board)
{
#if defined ( M5GFX_BOARD )
nvs_board = M5GFX_BOARD;
#elif defined ( ARDUINO_M5STACK_CORE_ESP32 ) || defined ( ARDUINO_M5STACK_FIRE ) || defined ( ARDUINO_M5Stack_Core_ESP32 )
nvs_board = board_t::board_M5Stack;
#elif defined ( ARDUINO_M5STACK_CORE2 ) || defined ( ARDUINO_M5STACK_Core2 )
nvs_board = board_t::board_M5StackCore2;
#elif defined ( ARDUINO_M5STICK_C ) || defined ( ARDUINO_M5Stick_C )
nvs_board = board_t::board_M5StickC;
#elif defined ( ARDUINO_M5STICK_C_PLUS ) || defined ( ARDUINO_M5Stick_C_Plus )
nvs_board = board_t::board_M5StickCPlus;
#elif defined ( ARDUINO_M5STACK_COREINK ) || defined ( ARDUINO_M5Stack_CoreInk )
nvs_board = board_t::board_M5StackCoreInk;
#elif defined ( ARDUINO_M5STACK_PAPER ) || defined ( ARDUINO_M5STACK_Paper )
nvs_board = board_t::board_M5Paper;
#elif defined ( ARDUINO_M5STACK_TOUGH )
nvs_board = board_t::board_M5Tough;
#elif defined ( ARDUINO_M5STACK_ATOM ) || defined ( ARDUINO_M5Stack_ATOM )
nvs_board = board_t::board_M5Atom;
//#elif defined ( ARDUINO_M5STACK_TIMER_CAM ) || defined ( ARDUINO_M5Stack_Timer_CAM )
#endif
}
auto board = (board_t)nvs_board;
int retry = 4;
do
{
if (retry == 1) use_reset = true;
board = autodetect(use_reset, board);
//ESP_LOGD(LIBRARY_NAME,"autodetect board:%d", (int)board);
} while (board_t::board_unknown == board && --retry >= 0);
_board = board;
#if defined ( ARDUINO_M5STACK_ATOM ) || defined ( ARDUINO_M5Stack_ATOM )
if (board == board_t::board_unknown || board == board_t::board_M5Atom)
{
return false;
}
#endif
if (nvs_board != board) {
if (0 == nvs_open(LIBRARY_NAME, NVS_READWRITE, &nvs_handle)) {
ESP_LOGI(LIBRARY_NAME, "[Autodetect] save to NVS : board:%d", (int)board);
nvs_set_u32(nvs_handle, NVS_KEY, board);
nvs_close(nvs_handle);
}
}
/// autodetectの際にreset済みなのでここではuse_resetをfalseで呼び出す。;
/// M5Paperはreset後の復帰に800msec程度掛かるのでreset省略は起動時間短縮に有効;
return LGFX_Device::init_impl(false, use_clear);
}
board_t M5GFX::autodetect(bool use_reset, board_t board)
{
auto bus_spi = new Bus_SPI();
_bus_last.reset(bus_spi);
panel(nullptr);
auto bus_cfg = bus_spi->config();
(void)bus_cfg; // prevent compiler warning.
bus_cfg.freq_write = 8000000;
bus_cfg.freq_read = 8000000;
bus_cfg.spi_mode = 0;
bus_cfg.use_lock = true;
#if !defined (CONFIG_IDF_TARGET) || defined (CONFIG_IDF_TARGET_ESP32)
bus_cfg.spi_host = VSPI_HOST;
bus_cfg.dma_channel = 1;
std::uint32_t id;
std::uint32_t pkg_ver = m5gfx::get_pkg_ver();
// ESP_LOGD(LIBRARY_NAME, "pkg_ver : %02x", (int)pkg_ver);
if (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4) /// check PICO-D4 (M5StickC,CPlus,T,T2 / CoreInk / ATOM )
{
if (board == 0 || board == board_t::board_M5StickC || board == board_t::board_M5StickCPlus)
{
_pin_reset(GPIO_NUM_18, use_reset); // LCD RST
bus_cfg.pin_mosi = GPIO_NUM_15;
bus_cfg.pin_miso = GPIO_NUM_14;
bus_cfg.pin_sclk = GPIO_NUM_13;
bus_cfg.pin_dc = GPIO_NUM_23;
bus_cfg.spi_3wire = true;
bus_spi->config(bus_cfg);
bus_spi->init();
id = _read_panel_id(bus_spi, GPIO_NUM_5);
if ((id & 0xFB) == 0x81) // 0x81 or 0x85
{ // check panel (ST7789)
board = board_t::board_M5StickCPlus;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] M5StickCPlus");
bus_spi->release();
bus_cfg.spi_host = HSPI_HOST;
bus_cfg.freq_write = 40000000;
bus_cfg.freq_read = 15000000;
bus_spi->config(bus_cfg);
auto p = new Panel_M5StickCPlus();
p->bus(bus_spi);
_panel_last.reset(p);
_set_backlight(new Light_M5StickC());
goto init_clear;
}
if ((id & 0xFF) == 0x7C)
{ // check panel (ST7735)
board = board_t::board_M5StickC;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] M5StickC");
bus_spi->release();
bus_cfg.spi_host = HSPI_HOST;
bus_cfg.freq_write = 27000000;
bus_cfg.freq_read = 14000000;
bus_spi->config(bus_cfg);
auto p = new Panel_M5StickC();
p->bus(bus_spi);
_panel_last.reset(p);
_set_backlight(new Light_M5StickC());
goto init_clear;
}
lgfx::pinMode(GPIO_NUM_18, lgfx::pin_mode_t::input); // LCD RST
lgfx::pinMode(GPIO_NUM_5 , lgfx::pin_mode_t::input); // LCD CS
bus_spi->release();
}
if (board == 0 || board == board_t::board_M5StackCoreInk)
{
_pin_reset( GPIO_NUM_0, true); // EPDがDeepSleepしている場合は自動認識に失敗する。そのためRST制御を必ず行う。;
bus_cfg.pin_mosi = GPIO_NUM_23;
bus_cfg.pin_miso = GPIO_NUM_34;
bus_cfg.pin_sclk = GPIO_NUM_18;
bus_cfg.pin_dc = GPIO_NUM_15;
bus_cfg.spi_3wire = true;
bus_spi->config(bus_cfg);
bus_spi->init();
lgfx::Panel_HasBuffer* p = nullptr;
id = _read_panel_id(bus_spi, GPIO_NUM_9, 0x2f ,0);
if (id == 0x00010001)
{ // check panel (e-paper GDEW0154D67)
p = new lgfx::Panel_GDEW0154D67();
} else {
id = _read_panel_id(bus_spi, GPIO_NUM_9, 0x70, 0);
if ((id & 0xFFFF00FFu) == 0x00F00000u)
{ // check panel (e-paper GDEW0154M09)
// ID of first lot : 0x00F00000u
// ID of 2023/11/17 : 0x00F01600u
p = new lgfx::Panel_GDEW0154M09();
}
}
if (p != nullptr)
{
_pin_level(GPIO_NUM_12, true); // POWER_HOLD_PIN 12
board = board_t::board_M5StackCoreInk;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] M5StackCoreInk");
bus_cfg.freq_write = 40000000;
bus_cfg.freq_read = 16000000;
bus_spi->config(bus_cfg);
p->bus(bus_spi);
_panel_last.reset(p);
auto cfg = p->config();
cfg.panel_height = 200;
cfg.panel_width = 200;
cfg.pin_cs = GPIO_NUM_9;
cfg.pin_rst = GPIO_NUM_0;
cfg.pin_busy = GPIO_NUM_4;
p->config(cfg);
goto init_clear;
}
lgfx::pinMode(GPIO_NUM_0, lgfx::pin_mode_t::input); // RST
lgfx::pinMode(GPIO_NUM_9, lgfx::pin_mode_t::input); // CS
bus_spi->release();
}
/// LCD / EPD 検出失敗の場合はATOM 判定;
}
else if (pkg_ver == 6) // PICOV3_02 (StickCPlus2 / ATOM PSRAM)
{
if (board == 0 || board == board_t::board_M5StickCPlus2)
{
_pin_reset(GPIO_NUM_12, use_reset); // LCD RST
bus_cfg.pin_mosi = GPIO_NUM_15;
bus_cfg.pin_miso = (gpio_num_t)-1; //GPIO_NUM_NC;
bus_cfg.pin_sclk = GPIO_NUM_13;
bus_cfg.pin_dc = GPIO_NUM_14;
bus_cfg.spi_3wire = true;
bus_spi->config(bus_cfg);
bus_spi->init();
id = _read_panel_id(bus_spi, GPIO_NUM_5);
if ((id & 0xFB) == 0x81) // 0x81 or 0x85
{ // check panel (ST7789)
_pin_level(GPIO_NUM_4, true); // POWER_HOLD_PIN 4
board = board_t::board_M5StickCPlus2;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] M5StickCPlus2");
bus_spi->release();
bus_cfg.spi_host = HSPI_HOST;
bus_cfg.freq_write = 40000000;
bus_cfg.freq_read = 15000000;
bus_spi->config(bus_cfg);
auto p = new Panel_M5StickCPlus();
{
auto cfg = p->config();
cfg.pin_rst = GPIO_NUM_12;
p->config(cfg);
}
p->bus(bus_spi);
_panel_last.reset(p);
_set_pwm_backlight(GPIO_NUM_27, 7, 256, false, 40);
goto init_clear;
}
lgfx::pinMode(GPIO_NUM_12, lgfx::pin_mode_t::input); // LCD RST
lgfx::pinMode(GPIO_NUM_5 , lgfx::pin_mode_t::input); // LCD CS
bus_spi->release();
}
if (board == 0)
{
board = board_t::board_M5AtomPsram;
goto init_clear;
}
}
else
if (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ6)
{
/// AXP192の有無を最初に判定し、分岐する。;
if (board == 0
|| board == board_t::board_M5Station
|| board == board_t::board_M5StackCore2
|| board == board_t::board_M5Tough)
{
// I2C addr 0x34 = AXP192
lgfx::i2c::init(axp_i2c_port, axp_i2c_sda, axp_i2c_scl);
auto chk_axp = lgfx::i2c::readRegister8(axp_i2c_port, axp_i2c_addr, 0x03, 400000);
if (chk_axp.has_value())
{
uint_fast16_t axp_exists = 0;
if (chk_axp.value() == 0x03) { // AXP192 found
axp_exists = 192;
ESP_LOGD(LIBRARY_NAME, "AXP192 found");
}
else if (chk_axp.value() == 0x4A) { // AXP2101 found
axp_exists = 2101;
ESP_LOGD(LIBRARY_NAME, "AXP2101 found");
}
if (axp_exists == 192 && (board == 0 || board == board_t::board_M5Station))
{
_pin_reset(GPIO_NUM_15, use_reset); // LCD RST;
bus_cfg.pin_mosi = GPIO_NUM_23;
bus_cfg.pin_miso = -1;
bus_cfg.pin_sclk = GPIO_NUM_18;
bus_cfg.pin_dc = GPIO_NUM_19;
bus_cfg.spi_3wire = true;
bus_spi->config(bus_cfg);
bus_spi->init();
id = _read_panel_id(bus_spi, GPIO_NUM_5);
if ((id & 0xFB) == 0x81) // 0x81 or 0x85
{ // check panel (ST7789)
ESP_LOGI(LIBRARY_NAME, "[Autodetect] M5Station");
board = board_t::board_M5Station;
bus_spi->release();
bus_cfg.spi_host = HSPI_HOST;
bus_cfg.freq_write = 40000000;
bus_cfg.freq_read = 15000000;
bus_spi->config(bus_cfg);
auto p = new Panel_M5StickCPlus();
{
auto cfg = p->config();
cfg.pin_rst = 15;
p->config(cfg);
p->setRotation(1);
}
p->bus(bus_spi);
_panel_last.reset(p);
/// M5StationのバックライトはM5Toughと同じ;
_set_backlight(new Light_M5Tough());
goto init_clear;
}
bus_spi->release();
lgfx::pinMode(GPIO_NUM_5 , lgfx::pin_mode_t::input); // LCD CS
lgfx::pinMode(GPIO_NUM_15, lgfx::pin_mode_t::input); // LCD RST