add some example

examples/Advanced/I2C_Tester/I2C_Tester.ino

@@ -0,0 +1,53 @@
+#include <M5StickCPlus.h>
+
+void setup() 
+{
+  M5.Lcd.begin();
+  M5.Lcd.setRotation(3);
+  M5.Lcd.fillScreen( BLACK );
+  M5.Lcd.setCursor(0, 0);
+  M5.Lcd.setTextColor(YELLOW);  
+  M5.Lcd.setTextSize(1);
+
+  M5.Lcd.fillScreen( BLACK );
+  M5.Lcd.setCursor(0, 0);
+  M5.Lcd.println("M5StickC I2C Tester");
+
+  //For HY2.0-4P  
+  Wire.begin();
+  //For HAT
+  Wire1.begin(0,26);
+
+  delay(3000);
+  M5.Lcd.fillScreen( BLACK );
+}
+
+int textColor=YELLOW;
+
+void loop() 
+{
+  int address;
+  int error;
+  int error1;
+  M5.Lcd.setCursor(0, 0);
+  M5.Lcd.println("scanning Address [HEX]");
+
+  for(address = 1; address < 127; address++ ) 
+  {
+    Wire.beginTransmission(address);
+    Wire1.beginTransmission(address);
+    error = Wire.endTransmission();
+    error1 = Wire1.endTransmission();
+    if((error==0)||(error1==0))
+    {
+      M5.Lcd.print(address,HEX);M5.Lcd.print(" ");
+    }
+    else M5.Lcd.print(".");
+
+    delay(10);
+  }
+
+  if(textColor==YELLOW) textColor=GREEN;
+  else textColor=YELLOW;
+  M5.Lcd.setTextColor(textColor,BLACK);  
+}

examples/Advanced/QRCode/QRCode.ino

@@ -0,0 +1,12 @@
+#include <M5StickCPlus.h>
+
+void setup() {
+  M5.begin();
+
+  // Display QRCode
+  M5.Lcd.qrcode("http://www.m5stack.com", 0, 0, 135);
+  // M5.Lcd.qrcode(const char *string, uint16_t x = 50, uint16_t y = 10, uint8_t width = 220, uint8_t version = 6);
+}
+
+void loop() {
+}

examples/Basics/AXP192/AXP192.ino

@@ -0,0 +1,49 @@
+#include <M5StickCPlus.h>
+#include "AXP192.h"
+TFT_eSprite tftSprite = TFT_eSprite(&M5.Lcd); 
+
+void setup() {
+    M5.begin();
+    M5.Lcd.setRotation(3);
+    tftSprite.createSprite(160, 80);
+    tftSprite.setRotation(3);
+    M5.Axp.EnableCoulombcounter();
+}
+
+void loop() {
+    tftSprite.fillSprite(BLACK);
+    tftSprite.setCursor(0, 0, 1);
+    tftSprite.printf("AXP Temp: %.1fC \r\n", M5.Axp.GetTempInAXP192());
+    tftSprite.setCursor(0, 10);
+    tftSprite.printf("Bat:\r\n  V: %.3fv  I: %.3fma\r\n", M5.Axp.GetBatVoltage(), M5.Axp.GetBatCurrent());
+    tftSprite.setCursor(0, 30);  
+    tftSprite.printf("USB:\r\n  V: %.3fv  I: %.3fma\r\n", M5.Axp.GetVBusVoltage(), M5.Axp.GetVBusCurrent());
+    tftSprite.setCursor(0, 50);    
+    tftSprite.printf("5V-In:\r\n  V: %.3fv  I: %.3fma\r\n", M5.Axp.GetVinVoltage(), M5.Axp.GetVinCurrent());
+    tftSprite.setCursor(0, 70);    
+    tftSprite.printf("Bat power %.3fmw", M5.Axp.GetBatPower());
+    tftSprite.pushSprite(40, 20);
+
+    // 0x01 long press(1s), 0x02 press
+    if(M5.Axp.GetBtnPress() == 0x02) 
+    {
+        esp_restart();
+    }
+
+    if(M5.BtnA.wasPressed())
+    {
+        // close tft voltage output
+        M5.Axp.SetLDO2(false);
+    }
+
+    if(M5.BtnB.wasPressed())
+    {
+        // close tft voltage output
+        M5.Axp.SetLDO2(true);
+    }
+
+    // M5.Axp.SetChargeCurrent(CURRENT_100MA);
+
+    M5.update();
+    delay(100);
+}

examples/Basics/Display/Display.ino

@@ -0,0 +1,47 @@
+#include <M5StickCPlus.h>
+
+// the setup routine runs once when M5StickC starts up
+void setup() {
+
+  // initialize the M5StickC object
+  M5.begin();
+
+  // Lcd display
+  M5.Lcd.fillScreen(WHITE);
+  delay(500);
+  M5.Lcd.fillScreen(RED);
+  delay(500);
+  M5.Lcd.fillScreen(GREEN);
+  delay(500);
+  M5.Lcd.fillScreen(BLUE);
+  delay(500);
+  M5.Lcd.fillScreen(BLACK);
+  delay(500);
+
+  // text print
+  M5.Lcd.fillScreen(BLACK);
+  M5.Lcd.setCursor(0, 10);
+  M5.Lcd.setTextColor(WHITE);
+  M5.Lcd.setTextSize(1);
+  M5.Lcd.printf("Display Test!");
+
+  // draw graphic
+  delay(1000);
+  M5.Lcd.drawRect(15, 55, 50, 50, BLUE);
+  delay(1000);
+  M5.Lcd.fillRect(15, 55, 50, 50, BLUE);
+  delay(1000);
+  M5.Lcd.drawCircle(40, 80, 30, RED);
+  delay(1000);
+  M5.Lcd.fillCircle(40, 80, 30, RED);
+  delay(1000);
+}
+
+// the loop routine runs over and over again forever
+void loop(){
+
+  //rand draw 
+  M5.Lcd.fillTriangle(random(M5.Lcd.width()-1), random(M5.Lcd.height()-1), random(M5.Lcd.width()-1), random(M5.Lcd.height()-1), random(M5.Lcd.width()-1), random(M5.Lcd.height()-1), random(0xfffe));
+
+  //M5.update();
+}

examples/Basics/IMU/IMU.ino

@@ -0,0 +1,58 @@
+#include <M5StickCPlus.h>
+
+float accX = 0.0F;
+float accY = 0.0F;
+float accZ = 0.0F;
+
+float gyroX = 0.0F;
+float gyroY = 0.0F;
+float gyroZ = 0.0F;
+
+float pitch = 0.0F;
+float roll  = 0.0F;
+float yaw   = 0.0F;
+
+void setup() {
+  // put your setup code here, to run once:
+  M5.begin();
+  M5.IMU.Init();
+  M5.Lcd.setRotation(3);
+  M5.Lcd.fillScreen(BLACK);
+  M5.Lcd.setTextSize(1);
+  M5.Lcd.setCursor(80, 15);
+  M5.Lcd.println("IMU TEST");
+  M5.Lcd.setCursor(30, 30);
+  M5.Lcd.println("  X       Y       Z");
+  M5.Lcd.setCursor(30, 70);
+  M5.Lcd.println("  Pitch   Roll    Yaw");
+}
+
+float temp = 0;
+/*****************************************
+M5.IMU.getGyroData(&gyroX,&gyroY,&gyroZ);
+M5.IMU.getAccelData(&accX,&accY,&accZ);
+M5.IMU.getAhrsData(&pitch,&roll,&yaw);
+M5.IMU.getTempData(&temp);
+*****************************************/
+void loop() {
+  // put your main code here, to run repeatedly:
+  M5.IMU.getGyroData(&gyroX,&gyroY,&gyroZ);
+  M5.IMU.getAccelData(&accX,&accY,&accZ);
+  M5.IMU.getAhrsData(&pitch,&roll,&yaw);
+  M5.IMU.getTempData(&temp);
+
+  M5.Lcd.setCursor(30, 40);
+  M5.Lcd.printf("%6.2f  %6.2f  %6.2f      ", gyroX, gyroY, gyroZ);
+  M5.Lcd.setCursor(170, 40);
+  M5.Lcd.print("o/s");
+  M5.Lcd.setCursor(30, 50);
+  M5.Lcd.printf(" %5.2f   %5.2f   %5.2f   ", accX, accY, accZ);
+  M5.Lcd.setCursor(170, 50);
+  M5.Lcd.print("G");
+  M5.Lcd.setCursor(30, 80);
+  M5.Lcd.printf(" %5.2f   %5.2f   %5.2f   ", pitch, roll, yaw);
+
+  M5.Lcd.setCursor(30, 95);
+  M5.Lcd.printf("Temperature : %.2f C", temp);
+  delay(100);
+}

examples/Basics/MPU6886/MPU6886.ino

@@ -0,0 +1,42 @@
+#include <M5StickCPlus.h>
+
+float accX = 0;
+float accY = 0;
+float accZ = 0;
+
+float gyroX = 0;
+float gyroY = 0;
+float gyroZ = 0;
+
+float temp = 0;
+void setup() {
+  // put your setup code here, to run once:
+  M5.begin();
+  M5.Lcd.setRotation(3);
+  M5.Lcd.fillScreen(BLACK);
+  M5.Lcd.setTextSize(1);
+  M5.Lcd.setCursor(50, 15);
+  M5.Lcd.println("MPU6886 TEST");
+  M5.Lcd.setCursor(30, 30);
+  M5.Lcd.println("  X       Y       Z");
+  M5.Imu.Init();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  M5.Imu.getGyroData(&gyroX,&gyroY,&gyroZ);
+  M5.Imu.getAccelData(&accX,&accY,&accZ);
+  M5.Imu.getTempData(&temp);
+
+  M5.Lcd.setCursor(30, 45);
+  M5.Lcd.printf("%.2f   %.2f   %.2f      ", gyroX, gyroY,gyroZ);
+  M5.Lcd.setCursor(170, 45);
+  M5.Lcd.print("o/s");
+  M5.Lcd.setCursor(30, 60);
+  M5.Lcd.printf("%.2f   %.2f   %.2f      ",accX * 1000,accY * 1000, accZ * 1000);
+  M5.Lcd.setCursor(185, 60);
+  M5.Lcd.print("mg");
+  M5.Lcd.setCursor(30, 75);
+  M5.Lcd.printf("Temperature : %.2f C", temp);
+  delay(100);
+}

examples/Basics/Micophone/Micophone.ino

@@ -0,0 +1,79 @@
+#include <M5StickCPlus.h>
+#include <driver/i2s.h>
+
+#define PIN_CLK  0
+#define PIN_DATA 34
+#define READ_LEN (2 * 256)
+#define GAIN_FACTOR 3
+uint8_t BUFFER[READ_LEN] = {0};
+
+uint16_t oldy[160];
+int16_t *adcBuffer = NULL;
+
+void showSignal(){
+  int y;
+  for (int n = 0; n < 160; n++){
+    y = adcBuffer[n] * GAIN_FACTOR;
+    y = map(y, INT16_MIN, INT16_MAX, 10, 70);
+    M5.Lcd.drawPixel(n, oldy[n],WHITE);
+    M5.Lcd.drawPixel(n,y,BLACK);
+    oldy[n] = y;
+  }
+}
+
+
+void mic_record_task (void* arg)
+{   
+  size_t bytesread;
+  while(1){
+    i2s_read(I2S_NUM_0,(char*) BUFFER, READ_LEN, &bytesread, (100 / portTICK_RATE_MS));
+    adcBuffer = (int16_t *)BUFFER;
+    showSignal();
+    vTaskDelay(100 / portTICK_RATE_MS);
+  }
+}
+
+void i2sInit()
+{
+   i2s_config_t i2s_config = {
+    .mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_PDM),
+    .sample_rate =  44100,
+    .bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT, // is fixed at 12bit, stereo, MSB
+    .channel_format = I2S_CHANNEL_FMT_ALL_RIGHT,
+    .communication_format = I2S_COMM_FORMAT_I2S,
+    .intr_alloc_flags = ESP_INTR_FLAG_LEVEL1,
+    .dma_buf_count = 2,
+    .dma_buf_len = 128,
+   };
+
+   i2s_pin_config_t pin_config;
+   pin_config.bck_io_num   = I2S_PIN_NO_CHANGE;
+   pin_config.ws_io_num    = PIN_CLK;
+   pin_config.data_out_num = I2S_PIN_NO_CHANGE;
+   pin_config.data_in_num  = PIN_DATA;
+
+
+   i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL);
+   i2s_set_pin(I2S_NUM_0, &pin_config);
+   i2s_set_clk(I2S_NUM_0, 44100, I2S_BITS_PER_SAMPLE_16BIT, I2S_CHANNEL_MONO);
+}
+
+
+void setup() {
+  M5.begin();
+  M5.Lcd.setRotation(3);
+  M5.Lcd.fillScreen(WHITE);
+  M5.Lcd.setTextColor(BLACK, WHITE);
+  M5.Lcd.println("mic test");
+
+  i2sInit();
+  xTaskCreate(mic_record_task, "mic_record_task", 2048, NULL, 1, NULL);
+}
+
+
+
+
+void loop() {
+  printf("loop cycling\n");
+  vTaskDelay(1000 / portTICK_RATE_MS); // otherwise the main task wastes half of the cpu cycles
+}

examples/Basics/RTC/RTC.ino

@@ -0,0 +1,39 @@
+#include <M5StickCPlus.h>
+
+RTC_TimeTypeDef RTC_TimeStruct;
+RTC_DateTypeDef RTC_DateStruct;
+
+void setup() {
+  // put your setup code here, to run once:
+  M5.begin();
+  M5.Lcd.setRotation(3);
+  M5.Lcd.fillScreen(BLACK);
+
+  M5.Lcd.setTextSize(1);
+  M5.Lcd.setCursor(60, 10, 2);
+  M5.Lcd.println("RTC TEST");
+  RTC_TimeTypeDef TimeStruct;
+  TimeStruct.Hours   = 18;
+  TimeStruct.Minutes = 56;
+  TimeStruct.Seconds = 10;
+  M5.Rtc.SetTime(&TimeStruct);
+  RTC_DateTypeDef DateStruct;
+  DateStruct.WeekDay = 3;
+  DateStruct.Month = 3;
+  DateStruct.Date = 22;
+  DateStruct.Year = 2019;
+  M5.Rtc.SetData(&DateStruct);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  M5.Rtc.GetTime(&RTC_TimeStruct);
+  M5.Rtc.GetData(&RTC_DateStruct);
+  M5.Lcd.setCursor(30, 35);
+  M5.Lcd.printf("Data: %04d-%02d-%02d\n",RTC_DateStruct.Year, RTC_DateStruct.Month,RTC_DateStruct.Date);
+  M5.Lcd.setCursor(30, 55);
+  M5.Lcd.printf("Week: %d\n",RTC_DateStruct.WeekDay);
+  M5.Lcd.setCursor(30, 75);
+  M5.Lcd.printf("Time: %02d : %02d : %02d\n",RTC_TimeStruct.Hours, RTC_TimeStruct.Minutes, RTC_TimeStruct.Seconds);
+  delay(500);
+}