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Fork of TextLCD_HelloWorld by
main.cpp@6:5fcb9eb2a1f1, 2016-03-31 (annotated)
- Committer:
- amrita_arm19
- Date:
- Thu Mar 31 05:15:45 2016 +0000
- Revision:
- 6:5fcb9eb2a1f1
- Parent:
- 5:6f2d3689b015
Blinks LED for a duration specified through the terminal:; serial+LCD+LED+BusOut
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| simon | 1:7418a52375a0 | 1 | // Hello World! for the TextLCD |
| simon | 1:7418a52375a0 | 2 | |
| simon | 0:334327d1a416 | 3 | #include "mbed.h" |
| simon | 0:334327d1a416 | 4 | #include "TextLCD.h" |
| simon | 0:334327d1a416 | 5 | |
| amrita_arm19 | 3:b7614524bb8f | 6 | TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD16x2); // rs, e, d4-d7 |
| amrita_arm19 | 4:0e5cead61795 | 7 | Serial ftdi(USBTX, USBRX); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 8 | /* |
| amrita_arm19 | 5:6f2d3689b015 | 9 | DigitalOut led1(LED1); |
| amrita_arm19 | 5:6f2d3689b015 | 10 | DigitalOut led2(LED2); |
| amrita_arm19 | 5:6f2d3689b015 | 11 | DigitalOut led3(LED3); |
| amrita_arm19 | 5:6f2d3689b015 | 12 | DigitalOut led4(LED4); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 13 | */ |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 14 | BusOut myleds(LED1,LED2,LED3, LED4); |
| amrita_arm19 | 4:0e5cead61795 | 15 | |
| amrita_arm19 | 5:6f2d3689b015 | 16 | int time1=0; // button count |
| amrita_arm19 | 4:0e5cead61795 | 17 | |
| amrita_arm19 | 4:0e5cead61795 | 18 | |
| simon | 0:334327d1a416 | 19 | |
| simon | 0:334327d1a416 | 20 | int main() { |
| amrita_arm19 | 4:0e5cead61795 | 21 | lcd.printf("Welcome!\n"); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 22 | ftdi.printf("Enter LED on time: "); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 23 | ftdi.scanf("%d", &time1); |
| amrita_arm19 | 5:6f2d3689b015 | 24 | ftdi.printf(":%d\n\r", time1); |
| amrita_arm19 | 4:0e5cead61795 | 25 | |
| amrita_arm19 | 4:0e5cead61795 | 26 | |
| amrita_arm19 | 4:0e5cead61795 | 27 | while(1) |
| amrita_arm19 | 4:0e5cead61795 | 28 | { |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 29 | if(!ftdi.readable()) |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 30 | { |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 31 | lcd.printf("LED on: %d\n", time1); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 32 | |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 33 | myleds=15; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 34 | /* |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 35 | led1=1; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 36 | led2=1; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 37 | led3=1; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 38 | led4=1; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 39 | */ |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 40 | wait(time1); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 41 | myleds=10; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 42 | /*led1=0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 43 | led2=0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 44 | led3=0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 45 | led4=0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 46 | */ |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 47 | wait(time1); |
| amrita_arm19 | 4:0e5cead61795 | 48 | } |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 49 | |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 50 | else if(ftdi.readable()) |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 51 | { |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 52 | int a; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 53 | ftdi.scanf("%d", &a); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 54 | time1=a; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 55 | ftdi.printf("New time: %d\n\r", time1); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 56 | |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 57 | lcd.cls(); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 58 | /* |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 59 | _rs=0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 60 | _d = 0x01; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 61 | wait(0.000040f); // most instructions take 40us |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 62 | _e = 0; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 63 | wait(0.000040f); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 64 | _e = 1; |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 65 | */ |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 66 | |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 67 | lcd.printf("LED on (new): %d\n\n", time1); |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 68 | } |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 69 | } |
| amrita_arm19 | 6:5fcb9eb2a1f1 | 70 | |
| simon | 0:334327d1a416 | 71 | } |
