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https://github.com/HASwitchPlate/openHASP.git
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Add M5Stack.hpp
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fvanroie
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270
src/drv/tft/M5Stack.hpp
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270
src/drv/tft/M5Stack.hpp
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/*----------------------------------------------------------------------------/
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Lovyan GFX - Graphics library for embedded devices.
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Original Source:
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https://github.com/lovyan03/LovyanGFX/
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Licence:
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[FreeBSD](https://github.com/lovyan03/LovyanGFX/blob/master/license.txt)
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Author:
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[lovyan03](https://twitter.com/lovyan03)
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Contributors:
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[ciniml](https://github.com/ciniml)
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[mongonta0716](https://github.com/mongonta0716)
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[tobozo](https://github.com/tobozo)
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/----------------------------------------------------------------------------*/
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#pragma once
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#if defined(ARDUINO) && defined(LGFX_USE_V1)
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#include "Arduino.h"
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#include "LovyanGFX.hpp"
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#include <driver/i2c.h>
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namespace dev {
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namespace m5stack {
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static constexpr int32_t axp_i2c_freq = 400000;
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static constexpr uint_fast8_t axp_i2c_addr = 0x34;
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static constexpr int_fast16_t axp_i2c_port = I2C_NUM_1;
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static constexpr int_fast16_t axp_i2c_sda = 21;
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static constexpr int_fast16_t axp_i2c_scl = 22;
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} // namespace m5stack
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struct Panel_M5Stack : public lgfx::Panel_ILI9342
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{
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Panel_M5Stack(void)
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{
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_cfg.pin_cs = 14;
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_cfg.pin_rst = 33;
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_cfg.offset_rotation = 3;
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_rotation = 1;
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}
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bool init(bool use_reset) override
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{
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lgfx::gpio_hi(_cfg.pin_rst);
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lgfx::pinMode(_cfg.pin_rst, lgfx::pin_mode_t::input_pulldown);
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_cfg.invert = lgfx::gpio_in(_cfg.pin_rst); // get panel type (IPS or TN)
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lgfx::pinMode(_cfg.pin_rst, lgfx::pin_mode_t::output);
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return lgfx::Panel_ILI9342::init(use_reset);
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}
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};
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struct Panel_M5StackCore2 : public lgfx::Panel_ILI9342
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{
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Panel_M5StackCore2(void)
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{
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_cfg.pin_cs = 5;
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_cfg.invert = true;
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_cfg.offset_rotation = 3;
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_rotation = 1; // default rotation
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}
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void reset(void) override
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{
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using namespace m5stack;
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// AXP192 reg 0x96 = GPIO3&4 control
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x96, 0, ~0x02, axp_i2c_freq); // GPIO4 LOW (LCD RST)
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lgfx::delay(4);
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x96, 2, ~0x00, axp_i2c_freq); // GPIO4 HIGH (LCD RST)
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}
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};
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struct Light_M5StackCore2 : public lgfx::ILight
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{
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bool init(uint8_t brightness) override
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{
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setBrightness(brightness);
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return true;
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}
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void setBrightness(uint8_t brightness) override
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{
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using namespace m5stack;
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if(brightness) {
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brightness = (brightness >> 3) + 72;
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lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 0x02, axp_i2c_freq); // DC3 enable
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} else {
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lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 0x02, axp_i2c_freq); // DC3 disable
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}
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// AXP192 reg 0x27 = DC3
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x27, brightness, 0x80, axp_i2c_freq);
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}
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};
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struct Light_M5Tough : public lgfx::ILight
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{
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bool init(uint8_t brightness) override
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{
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setBrightness(brightness);
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return true;
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}
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void setBrightness(uint8_t brightness) override
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{
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using namespace m5stack;
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if(brightness) {
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if(brightness > 4) {
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brightness = (brightness / 24) + 5;
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}
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lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 0x08, axp_i2c_freq); // LDO3 enable
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} else {
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lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 0x08, axp_i2c_freq); // LDO3 disable
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}
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x28, brightness, 0xF0, axp_i2c_freq);
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}
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};
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struct Touch_M5Tough : public lgfx::ITouch
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{
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Touch_M5Tough(void)
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{
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_cfg.x_min = 0;
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_cfg.x_max = 319;
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_cfg.y_min = 0;
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_cfg.y_max = 239;
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}
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void wakeup(void) override
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{}
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void sleep(void) override
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{}
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bool init(void) override
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{
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_inited = false;
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if(isSPI()) return false;
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if(_cfg.pin_int >= 0) {
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lgfx::pinMode(_cfg.pin_int, lgfx::v1::pin_mode_t::input_pullup);
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}
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_inited = lgfx::i2c::init(_cfg.i2c_port, _cfg.pin_sda, _cfg.pin_scl).has_value();
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static constexpr uint8_t irq_modechange_cmd[] = {0x5a, 0x5a}; /// (INT mode change)
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lgfx::i2c::transactionWrite(_cfg.i2c_port, _cfg.i2c_addr, irq_modechange_cmd, 2);
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return _inited;
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}
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uint_fast8_t getTouchRaw(lgfx::v1::touch_point_t* __restrict tp, uint_fast8_t count) override
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{
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if(tp) tp->size = 0;
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if(!_inited || count == 0) return 0;
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if(count > 2) count = 2; // max 2 point.
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if(_cfg.pin_int >= 0) {
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if(lgfx::v1::gpio_in(_cfg.pin_int)) Serial.print("#");
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if(lgfx::v1::gpio_in(_cfg.pin_int)) return 0;
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}
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size_t len = 3 + count * 6;
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uint8_t buf[2][len];
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int32_t retry = 5;
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bool flip = false;
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uint8_t* tmp;
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for(;;) {
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tmp = buf[flip];
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memset(tmp, 0, len);
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if(lgfx::i2c::beginTransaction(_cfg.i2c_port, _cfg.i2c_addr, _cfg.freq, false)) {
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static constexpr uint8_t reg_number = 2;
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if(lgfx::i2c::writeBytes(_cfg.i2c_port, ®_number, 1) &&
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lgfx::i2c::restart(_cfg.i2c_port, _cfg.i2c_addr, _cfg.freq, true) &&
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lgfx::i2c::readBytes(_cfg.i2c_port, tmp, 1) && (tmp[0] != 0)) {
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flip = !flip;
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size_t points = std::min<uint_fast8_t>(count, tmp[0]);
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if(points && lgfx::i2c::readBytes(_cfg.i2c_port, &tmp[1], points * 6 - 2)) {
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}
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}
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if(lgfx::i2c::endTransaction(_cfg.i2c_port)) {
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}
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if(tmp[0] == 0 || memcmp(buf[0], buf[1], len) == 0) break;
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}
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if(0 == --retry) return 0;
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}
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if(count > tmp[0]) count = tmp[0];
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for(size_t idx = 0; idx < count; ++idx) {
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auto data = &tmp[1 + idx * 6];
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tp[idx].size = 1;
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tp[idx].x = (data[0] & 0x0F) << 8 | data[1];
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tp[idx].y = (data[2] & 0x0F) << 8 | data[3];
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tp[idx].id = idx;
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}
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return count;
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}
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};
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struct Panel_M5StickC : public lgfx::Panel_ST7735S
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{
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Panel_M5StickC(void)
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{
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_cfg.invert = true;
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_cfg.pin_cs = 5;
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_cfg.pin_rst = 18;
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_cfg.panel_width = 80;
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_cfg.panel_height = 160;
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_cfg.offset_x = 26;
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_cfg.offset_y = 1;
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_cfg.offset_rotation = 2;
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}
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protected:
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const uint8_t* getInitCommands(uint8_t listno) const override
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{
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static constexpr uint8_t list[] = {
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CMD_GAMMASET, 1, 0x08, // Gamma set, curve 4
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0xFF, 0xFF, // end
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};
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if(listno == 2) return list;
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return Panel_ST7735S::getInitCommands(listno);
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}
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};
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struct Light_M5StickC : public lgfx::ILight
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{
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bool init(uint8_t brightness) override
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{
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using namespace m5stack;
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lgfx::i2c::init(axp_i2c_port, axp_i2c_sda, axp_i2c_scl);
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x12, 0x4D, ~0, axp_i2c_freq);
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setBrightness(brightness);
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return true;
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}
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void setBrightness(uint8_t brightness) override
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{
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using namespace m5stack;
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if(brightness) {
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brightness = (((brightness >> 1) + 8) / 13) + 5;
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lgfx::i2c::bitOn(axp_i2c_port, axp_i2c_addr, 0x12, 1 << 2, axp_i2c_freq);
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} else {
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lgfx::i2c::bitOff(axp_i2c_port, axp_i2c_addr, 0x12, 1 << 2, axp_i2c_freq);
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}
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lgfx::i2c::writeRegister8(axp_i2c_port, axp_i2c_addr, 0x28, brightness << 4, 0x0F, axp_i2c_freq);
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}
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};
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struct Panel_M5StickCPlus : public lgfx::Panel_ST7789
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{
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Panel_M5StickCPlus(void)
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{
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_cfg.invert = true;
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_cfg.pin_cs = 5;
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_cfg.pin_rst = 18;
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_cfg.panel_width = 135;
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_cfg.panel_height = 240;
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_cfg.offset_x = 52;
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_cfg.offset_y = 40;
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}
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};
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} // namespace dev
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#endif
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