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https://github.com/m5stack/M5Stack.git
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0x1abin
112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
// Copyright (c) M5Stack. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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#include "M5Stack.h"
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void M5Stack::begin(bool LCDEnable, bool SDEnable) {
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// UART
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Serial.begin(115200);
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Serial.flush();
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Serial.print("M5Stack initializing...");
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// I2C Startup BUG?
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// pinMode(SCL, OUTPUT);
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// digitalWrite(SCL, 1);
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// TONE
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Speaker.begin();
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// Setup the button with an internal pull-up
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pinMode(BUTTON_A_PIN, INPUT_PULLUP);
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pinMode(BUTTON_B_PIN, INPUT_PULLUP);
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pinMode(BUTTON_C_PIN, INPUT_PULLUP);
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// M5 LCD INITs
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if (LCDEnable) Lcd.begin();
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// TF Card
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if (SDEnable) SD.begin(TFCARD_CS_PIN, SPI, 40000000);
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// Set wakeup button
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setWakeupButton(BUTTON_A_PIN);
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// MPU9250
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#ifdef MPU9250_INSDE
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Wire.begin();
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#endif
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Serial.println("OK");
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}
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void M5Stack::update() {
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//Button update
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BtnA.read();
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BtnB.read();
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BtnC.read();
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//Speaker update
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Speaker.update();
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}
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#ifdef M5STACK_FIRE
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// ================ Power IC IP5306 ===================
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#define IP5306_ADDR 117
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#define IP5306_REG_SYS_CTL0 0x00
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#define IP5306_REG_READ1 0x71
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#define CHARGE_FULL_BIT 3
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void M5Stack::setPowerBoostKeepOn(bool en)
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{
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Wire.beginTransmission(IP5306_ADDR);
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Wire.write(IP5306_REG_SYS_CTL0);
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if (en) Wire.write(0x37); // Set bit1: 1 enable 0 disable boost keep on
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else Wire.write(0x35); // 0x37 is default reg value
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Wire.endTransmission();
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}
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uint8_t M5Stack::isChargeFull()
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{
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uint8_t data;
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Wire.beginTransmission(IP5306_ADDR);
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Wire.write(IP5306_REG_READ1);
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Wire.endTransmission(false);
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Wire.requestFrom(IP5306_ADDR, 1);
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data = Wire.read();
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if (data & (1 << CHARGE_FULL_BIT)) return true;
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else return false;
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}
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#endif
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// ================== Low power mode =====================
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void M5Stack::setWakeupButton(uint8_t button) {
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_wakeupPin = button;
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}
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void M5Stack::powerOFF() {
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#ifdef M5STACK_FIRE
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// Keep power keep boost on
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setPowerBoostKeepOn(true);
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#endif
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// power off the Lcd
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Lcd.setBrightness(0);
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Lcd.sleep();
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// ESP32 into deep sleep
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USE_SERIAL.printf("Enabling EXT0 wakeup on pins GPIO%d\n", _wakeupPin);
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esp_sleep_enable_ext0_wakeup((gpio_num_t)_wakeupPin , LOW);
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while(digitalRead(_wakeupPin) == LOW) {
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delay(10);
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}
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USE_SERIAL.println("On deep sleep mode.");
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esp_deep_sleep_start();
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USE_SERIAL.println("On power OFF fail!");
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}
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M5Stack M5;
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