Joseph Forde
/
JF_Serial_communications
Serial_communications
main.cpp@2:48b09c6b3262, 2020-07-28 (annotated)
- Committer:
- jforde
- Date:
- Tue Jul 28 11:39:25 2020 +0000
- Revision:
- 2:48b09c6b3262
- Parent:
- 0:fb6bbc10ffa0
Serial_Com;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jforde | 2:48b09c6b3262 | 1 | #include "mbed.h" //Preprocessor Directives |
jforde | 2:48b09c6b3262 | 2 | // Declarations |
jforde | 2:48b09c6b3262 | 3 | Serial pc(USBTX, USBRX); // tx, rx |
jforde | 2:48b09c6b3262 | 4 | PwmOut led(LED1); |
jforde | 2:48b09c6b3262 | 5 | float brightness = 0.0; |
jforde | 2:48b09c6b3262 | 6 | int main() { //instructions in main () function |
jforde | 2:48b09c6b3262 | 7 | pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n"); |
simon | 0:fb6bbc10ffa0 | 8 | while(1) { |
jforde | 2:48b09c6b3262 | 9 | char c = pc.getc(); |
jforde | 2:48b09c6b3262 | 10 | if((c == 'u') && (brightness < 0.5)) { |
jforde | 2:48b09c6b3262 | 11 | brightness += 0.01; |
jforde | 2:48b09c6b3262 | 12 | led = brightness; |
jforde | 2:48b09c6b3262 | 13 | } |
jforde | 2:48b09c6b3262 | 14 | if((c == 'd') && (brightness > 0.0)) { |
jforde | 2:48b09c6b3262 | 15 | brightness -= 0.01; |
jforde | 2:48b09c6b3262 | 16 | led = brightness; |
jforde | 2:48b09c6b3262 | 17 | } |
simon | 0:fb6bbc10ffa0 | 18 | } |
jforde | 2:48b09c6b3262 | 19 | } |