Revision 4:a37c4436b6eb, committed 2019-11-04
- Comitter:
- Donghun
- Date:
- Mon Nov 04 13:44:19 2019 +0000
- Parent:
- 3:e7cab3f9facb
- Commit message:
- submission_donghunKang
Changed in this revision
--- a/main.cpp Mon Nov 04 00:31:15 2019 +0000
+++ b/main.cpp Mon Nov 04 13:44:19 2019 +0000
@@ -3,23 +3,23 @@
#include "mbed.h"
#include "Adafruit_SSD1306.h" // Adafruit_GFX library
-
+Ticker DACtimer;
Serial pc(SERIAL_TX, SERIAL_RX);
-DigitalOut myled(LED1);
-DigitalOut redLed(PA_12);
+DigitalOut Board_led(LED1);
+DigitalOut Out_led(PA_12);
DigitalIn myButton(PC_13);
DigitalIn exButton(PC_11);
AnalogOut myAnalogOut(PA_4);
-
-BusOut my7Seg(PA_8, PA_9, PA_10, PC_9, PC_8, PC_7, PC_6, PA_11); // 8bit data
+bool flagTimer = 0;
+BusOut My7segment_pin(PA_8, PA_9, PA_10, PC_9, PC_8, PC_7, PC_6, PA_11); // 8bit data
// LSB, , MSB
char val7Seg[16] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F,
0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71};
-
char rxData[5];
bool flagRx = 0;
+int delay =0;
-#define TEST2
+#define Pr_2_3
#ifdef TEST1
@@ -37,7 +37,7 @@
pc.printf("n=%1.2f, output = %1.2f volts\n", n, myAnalogOut.read() * 3.3f);
// turn on the led if the voltage is greater than 0.5f * VCC
- myled = (myAnalogOut > 0.5f) ? 1 : 0;
+ Board_led = (myAnalogOut > 0.5f) ? 1 : 0;
wait(0.1);
}
}
@@ -86,3 +86,194 @@
}
#endif
+
+#ifdef Pr_1
+void DACInt()
+{
+ flagTimer = 1;
+}
+
+main()
+{
+ pc.baud(115200);
+ pc.puts("\n Test2: Starting Program \n");
+
+ const float samplingTime = 0.00005;
+ DACtimer. attach(&DACInt, samplingTime);
+ float soundFreq = 400.0f;
+ float soundFreq_count = 0.0275f;
+ unsigned int n = 0;
+ float tempVal;
+ while(1)
+ {
+ if (1==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(2 * 3.14159 * tempVal) * 0.5 + 0.5;
+// myAnalogOut = (sin(2*3.14159*tempVal)+sin(tempVal))*0.25+0.5; // an angle is expressed in radians.Q
+ soundFreq = soundFreq + soundFreq_count;
+ if(2000<soundFreq) soundFreq_count = -soundFreq_count;
+ if(400>soundFreq) soundFreq_count = -soundFreq_count;
+ if(tempVal>1.0f)n=0;
+ n++;
+// if(12000.0f < n) n = 0;
+
+ }
+
+ }
+}
+#endif
+
+
+#ifdef Pr_2_3
+void ReceiveInt()
+{
+ char inChar;
+ static char rxCount = 0;
+ static char rxBuf[5];
+
+ while(1 == pc.readable())
+ {
+ inChar=pc.getc();
+ pc.putc(inChar);
+ if ('<' == inChar)
+ {
+ rxCount = 1;
+ }
+ else if (rxCount > 0 && rxCount < 5)
+ {
+ rxBuf[rxCount - 1] = inChar;
+ rxCount++;
+ }
+ else if (rxCount == 5 && '>' == inChar)
+ {
+ rxCount = 0;
+ flagRx = 1;
+ memcpy(rxData,rxBuf,rxCount-1);
+ }
+ else
+ {
+ rxCount = 0;
+ }
+ }
+}
+
+void DACInt()
+{
+ flagTimer = 1;
+}
+
+main()
+{
+ pc.baud(115200);
+ pc.puts("\n Practice2: Starting Program \n");
+ pc.attach(&ReceiveInt,Serial::RxIrq);
+
+ char tmpCommand[3];
+ int rxVal;
+ Board_led=1;
+ const float samplingTime = 0.00005;
+ DACtimer. attach(&DACInt, samplingTime);
+ float soundFreq = 400.0f;
+ unsigned int n = 0;
+ float tempVal;
+ double soundVolume = 2;
+ double squaremaker = 0.0005;
+
+ while(1)
+ {
+ if(1 == flagRx)
+ {
+ flagRx=0;
+ tmpCommand[0]=rxData[0];
+ tmpCommand[1]=rxData[1];
+ tmpCommand[2]=0;
+ rxVal = atoi(rxData + 2);
+ if(!strcmp(tmpCommand,"SI"))
+ {
+ pc.printf("Sine Wave: %d\n",rxVal);
+ soundFreq = rxVal*10.0f;
+ flagTimer = 2;
+ }
+ else if(!strcmp(tmpCommand,"SQ"))
+ {
+ pc.printf("Square Wave: %d\n",rxVal);
+ flagTimer = 3;
+ }
+ else if(!strcmp(tmpCommand,"PL"))
+ {
+ pc.printf("Play Limit: %d\n",rxVal);
+ soundVolume = 0;
+ flagTimer = 4;
+ }
+ else if(!strcmp(tmpCommand,"VL"))
+ {
+ pc.printf("Volume Limit: %d\n",rxVal);
+ soundVolume = rxVal*1.0f;
+ flagTimer = 5;
+ }
+ else if(!strcmp(tmpCommand,"TR"))
+ {
+ pc.printf("Triangle Wave: %ds\n",rxVal);
+ flagTimer = 6;
+ }
+ else if(!strcmp(tmpCommand,"SA"))
+ {
+ pc.printf("Sawtooth Wave: %d\n",rxVal);
+ flagTimer = 7;
+ }
+ }
+
+ if (2==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5+0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+ else if (3==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*squaremaker;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5+0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+ else if (4==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5+0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+ else if (5==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5+0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+ else if (6==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5 + 0.5 + 0.5 * sin((soundVolume * 3.14159 * tempVal)*2) * 0.5 + 0.33 * sin((soundVolume + 3.14159 + tempVal)*3) * 0.5 + 0.5 + 0.25 * sin((soundVolume + 3.14159 + tempVal)*4) * 0.5 + 0.5 + 0.2 * sin((soundVolume + 3.14159 + tempVal)*5) * 0.5 + 0.5 + 0.166 * sin((soundVolume + 3.14159 + tempVal)*6) * 0.5 + 0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+ else if (7==flagTimer)
+ {
+ flagTimer = 0;
+ tempVal = soundFreq*n*samplingTime;
+ myAnalogOut = sin(soundVolume*3.14159*tempVal)*0.5 + 0.5 + 0.33 * sin((soundVolume * 3.14159 * tempVal)*3 ) * 0.5 + 0.2 * sin((soundVolume + 3.14159 + tempVal)*5) * 0.5 + 0.5 + 0.144 * sin((soundVolume + 3.14159 + tempVal)*7) * 0.5 + 0.5 + 0.111 * sin((soundVolume + 3.14159 + tempVal)*9) * 0.5 + 0.5 + 0.0999 * sin((soundVolume + 3.14159 + tempVal)*11) * 0.5 + 0.5;
+ if (tempVal > 1.0f) n = 0;
+ n++;
+ }
+
+ }
+}
+#endif
\ No newline at end of file
Donghun Kang
