Jieun Lee / Mbed 2 deprecated 0607_accel_2

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed ADXL345 Adafruit_GFX

Files at this revision

API Documentation at this revision

Revision 0:0292cf4e9d92, committed 2022-06-09

Comitter:
leejieun
Date:
Thu Jun 09 02:21:08 2022 +0000
Commit message:
0609 practice 2

Changed in this revision

ADXL345.lib Show annotated file Show diff for this revision Revisions of this file
Adafruit_GFX.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADXL345.lib	Thu Jun 09 02:21:08 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/aberk/code/ADXL345/#bd8f0f20f433

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_GFX.lib	Thu Jun 09 02:21:08 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/eins/code/Adafruit_GFX/#73e927988ade

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 09 02:21:08 2022 +0000
@@ -0,0 +1,394 @@
+#include "mbed.h"
+#include "Adafruit_SSD1306.h"   // Adafruit_GFX library
+#include "ADXL345.h"            // ADXL, SPI library
+
+#define NUM_CHAR    16
+
+#define OLED_DISPLAY
+#define ADC_TEST
+
+Serial      pc(SERIAL_TX, SERIAL_RX);
+DigitalOut  greenLed(LED1);
+DigitalOut  redLed(PA_12);
+Timer       t1, t2;
+Ticker       t3, t4;
+InterruptIn   myButton(PC_13);
+InterruptIn   exButton(PC_11);
+
+BusOut my7Seg(PA_8, PA_9, PA_10, PC_9, PC_8, PC_7, PC_6, PA_11); // 8bit data
+            // LSB,                                      , MSB
+ 
+int location_x = 0;
+int location_y = 0;
+///picture
+uint8_t pic1Logo[64 * 128 / 8] =
+{
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x80, 0xe0, 0xf0, 0xf0, 0xf8, 0xfc, 0xfc, 0x7c, 0x7e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 
+0x7e, 0xfc, 0xfc, 0xf8, 0xf0, 0xf0, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0xf8, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x03, 0x02, 0x1c, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0xf0, 0x0c, 0x04, 0x03, 0x07, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x03, 0x0f, 0x1f, 0x7f, 0xff, 0xfe, 0xfc, 0xfc, 0xf7, 0xe1, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
+0xe1, 0xf7, 0xfc, 0xfc, 0xfe, 0xff, 0x7f, 0x1f, 0x0f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 
+0x07, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+///picture
+
+AnalogOut   myAnalogOut(PA_4);       
+AnalogIn    lightSensor(PA_0);          
+ADXL345     accelerometer(PB_5, PB_4, PB_3, PB_6);       // MOSI, MISO, SCK, CS
+
+char    rxData[5];
+bool    flagRx = 0;
+int     dir = 1;        // 1: increase, -1: decrease
+bool    flagT3 = 0;
+bool    modeT3 = 0;     // 0: stop, 1: working
+bool    flagDAC = 0;
+bool    flagADC = 0;    
+bool    flagADXL = 0;   // new added
+
+void ReceiveInt() {
+    char inChar;
+    static char rxCount = 0;
+    static char rxBuf[4];
+    
+    while(1 == pc.readable()) {
+        inChar = pc.getc();
+        if ('<' == inChar){
+            rxCount = 1;            
+        }
+        else if (rxCount > 0 && rxCount < 5) {
+            rxBuf[rxCount-1] = inChar;
+            rxCount++;   
+        }
+        else if (5 == rxCount && '>' == inChar) {
+            rxCount = 0;
+            flagRx = 1;
+            memcpy(rxData, rxBuf, 4);
+//            pc.putc(rxData[0]);
+//            pc.putc(rxData[1]);
+//            pc.putc(rxData[2]);
+//            pc.putc(rxData[3]);
+ 
+//            pc.puts(rxData);  
+        }
+        else {
+            rxCount = 0;
+        }
+    }
+}
+
+void tickerFunc3() {
+    flagT3 = 1;
+}
+
+void Btn1Down() {
+//    pc.puts("1 pushed\n");   // for debugging
+    dir = -1*dir;
+}
+
+void Btn1Up() {
+//    pc.puts("1 released\n");    // for debugging
+    greenLed = !greenLed;
+}
+
+void Btn2Down() {
+//    pc.puts("2 pushed\n");   // for debugging
+    if (1 == modeT3) t3.detach();
+    else t3.attach(tickerFunc3, 0.1);
+    modeT3 = !modeT3;
+}
+
+void Btn2Up() {
+//    pc.puts("2 released\n");    // for debugging
+    redLed = !redLed;
+}
+
+void DACInt() {
+    flagDAC = 1;
+}
+
+void ADCint() {
+    flagADC = 1;
+}
+
+// new added
+void ADXLInt()
+{
+    flagADXL = 1;
+}
+
+int main()
+{   
+    pc.baud(115200);
+    pc.puts("\n<< ADXL Test Start>>\n");
+    pc.printf("Device ID: 0x%02x\n", accelerometer.getDevId());      // 0xE5    
+ 
+    pc.attach(&ReceiveInt, Serial::RxIrq);      // RxIrq, TxIrq
+    myButton.fall(&Btn1Down);
+    myButton.rise(&Btn1Up);
+    exButton.fall(&Btn2Down);
+    exButton.rise(&Btn2Up);
+    
+    myButton.disable_irq();     // to avoid unexpected interrupt
+    exButton.disable_irq();     // to avoid unexpected interrupt
+    
+    //Go into standby mode to configure the device.
+    accelerometer.setPowerControl(0x00);
+     //Full resolution, +/-16g, 4mg/LSB.
+    accelerometer.setDataFormatControl(0x0B);       // 0b 0000 1011
+    //3.2kHz data rate.
+    accelerometer.setDataRate(ADXL345_3200HZ);
+    //Measurement mode.
+    accelerometer.setPowerControl(0x08);        // 0b 0000 1000
+    
+    Ticker  tickerADXL;
+    tickerADXL.attach(&ADXLInt, 0.05);
+    
+
+    I2C     I2C_Oled(PB_7, PA_15);       // SDA, SCL
+    I2C_Oled.frequency(400000);     // 400kHz clock
+    Adafruit_SSD1306_I2c    myOled(I2C_Oled, PD_2);    //  reset pin doesn't effect
+//    Adafruit_SSD1306_I2c    myOled(I2C_Oled, PD_2, 64, 128);    //  make an error
+
+    myOled.clearDisplay();  // clear buffer     
+    myOled.printf("%u x %u OLED Display\r\n", myOled.width(), myOled.height());
+    myOled.printf("Device ID: 0x%02x\n", accelerometer.getDevId());
+    myOled.display();       // show a image on the OLED
+    wait(1);
+
+    myButton.enable_irq();     // enable IRQ
+    exButton.enable_irq();     // enable IRQ
+    
+    time_t seconds = time(NULL);
+    
+    set_time(1617235200);  // Set RTC time to 2021-04-01, 00:00:00
+    pc.printf("Time as a basic string = %s", ctime(&seconds));
+
+    char buffer[32];
+    strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+    pc.printf("1) Time as a custom formatted string = %s", buffer);
+    strftime(buffer, 32, "%y-%m-%d, %H:%M:%S\n", localtime(&seconds));
+    pc.printf("2) Time as a custom formatted string = %s", buffer);    
+
+//    int preStatus1 = 0;
+//    int preStatus2 = 0;
+    int tempVal = 0;
+    char tmpCommand[3];
+    int rxVal;
+    char    val7Seg[NUM_CHAR] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F, 0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71};
+
+    modeT3 = 1;
+    my7Seg = 0xFF;
+      
+    uint16_t n = 0;
+    
+    char tempVal2[10] = {0,};
+    unsigned int    exLight;
+    unsigned char   posY[2] = {0,};
+    int     ADXLdata[3];    // new added
+//    t3.attach(&tickerFunc3, 0.1);       // ticker3 start for display
+    
+    myOled.clearDisplay();  // clear buffer  
+     // check the external button action
+    myOled.clearDisplay();
+    myOled.drawBitmap(location_x, location_y, pic1Logo, 128, 64, 1);
+    myOled.display();
+            //wait(1);
+
+
+    while(1)
+    {
+        if (1 == flagT3) {
+            flagT3 = 0;
+            n = n + dir;
+//            if (n > 200) n = 0;
+//            myAnalogOut = n*0.005f;
+//            sprintf(tempVal2, "%d, %1.2f\n", n, myAnalogOut.read());
+//            pc.puts(tempVal2);
+            
+            my7Seg = ~val7Seg[n%16] & 0x7F;
+            
+            exLight = lightSensor.read() * 500;     // ADC read & send data : about 300us consume
+            sprintf(tempVal2, "%d\n", exLight);
+            pc.puts(tempVal2);
+            
+            #ifdef OLED_DISPLAY
+            posY[1] = 64 - (unsigned char)((float)(exLight-300) * 0.256f);            // 128/500 = 0.256
+            myOled.drawLine(n, posY[0], n+1, posY[1], 1);
+            myOled.display();                       // OLED display consumes about 28ms
+            posY[0] = posY[1];
+            if (n > 127) {
+                n = 0;
+                myOled.clearDisplay();
+            }
+            #endif
+            
+            greenLed = !greenLed;
+        }
+        
+        if (1 == flagADXL) {
+            flagADXL = 0;
+            accelerometer.getOutput(ADXLdata);      // ADXL reading consumes about 80us
+            pc.printf("%d, %d, %d, %d\n", (int16_t)ADXLdata[0], (int16_t)ADXLdata[1], (int16_t)ADXLdata[2],location_x);      // sending data consumes about 1ms (worst case)
+        }
+///// x axis moving       
+        if ((int16_t)ADXLdata[0] <= -150){
+            if (location_x > -64){
+                location_x--;
+                }
+            }
+        if ((int16_t)ADXLdata[0] >= 150){
+            if (location_x < 64){
+                location_x++;
+                }
+            }
+///// y axis moving
+        if ((int16_t)ADXLdata[1] <= -150){
+            if (location_y > -32){
+                location_y++;
+                }
+            }
+        if ((int16_t)ADXLdata[1] >= 150){
+            if (location_y < 32){
+                location_y--;
+                }
+            }
+
+
+        t3.attach(&tickerFunc3, 0.1);       // ticker3 start for display
+    
+     // check the external button action
+        myOled.clearDisplay();
+        myOled.drawBitmap(location_x, location_y, pic1Logo, 128, 64, 1);
+        myOled.display();
+            //wait(1);        
+        
+        
+        
+        
+        
+        ////////////////////////////////////Serial
+        if (1 == flagRx){
+            flagRx = 0;
+            tmpCommand[0] = rxData[0];
+            tmpCommand[1] = rxData[1];
+            tmpCommand[2] = 0;
+            rxVal = atoi(rxData+2);
+            
+            if (0 == strcmp(tmpCommand, "LD")) {        // control a LED
+                pc.printf("val = %d\n", rxVal);
+                
+                greenLed = (1 == rxVal)? 1:0;
+//                greenLed = rxVal? 1:0;
+            }
+            if (0 == strcmp(tmpCommand, "RE")) {        // reset all variables
+                greenLed = 0;
+                redLed = 1;
+                n = 0;
+            }
+            if (0 == strcmp(tmpCommand, "OL"))
+            {
+                greenLed = 1;
+                redLed = 1;
+                if (rxVal == 1){
+                    posY[1] = ADXLdata[0];            // 128/500 = 0.256
+                    myOled.drawLine(n, posY[0], n+1, posY[1], 1);
+                    myOled.display();                       // OLED display consumes about 28ms
+                    posY[0] = posY[1];
+                    if (n > 127) {
+                        n = 0;
+                        myOled.clearDisplay();
+                    }
+                }
+
+                if (rxVal == 2){
+                    posY[1] = ADXLdata[1];            // 128/500 = 0.256
+                    myOled.drawLine(n, posY[0], n+1, posY[1], 1);
+                    myOled.display();                       // OLED display consumes about 28ms
+                    posY[0] = posY[1];
+                    if (n > 127) {
+                        n = 0;
+                        myOled.clearDisplay();
+                    }
+                }
+
+
+                if (rxVal == 3){
+                    posY[1] = ADXLdata[2];            // 128/500 = 0.256
+                    myOled.drawLine(n, posY[0], n+1, posY[1], 1);
+                    myOled.display();                       // OLED display consumes about 28ms
+                    posY[0] = posY[1];
+                    if (n > 127) {
+                        n = 0;
+                        myOled.clearDisplay();
+                    }
+                } 
+                
+                if (rxVal == 0){
+                    myOled.clearDisplay();
+                }
+
+        }
+       }        
+
+          
+    }    
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jun 09 02:21:08 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file