This program turns the mbed device into a serial passthrough. This is useful for imitating a FTDI chip. Any commands sent from the PC to the mbed board will be forwarded on to the serial device attached, and any commands coming from the serial device will be forwarded to the PC. Make sure to change the speeds to match your serial device.
main.cpp@3:0393f97fd8cf, 2015-04-27 (annotated)
- Committer:
- mbedAustin
- Date:
- Mon Apr 27 21:23:36 2015 +0000
- Revision:
- 3:0393f97fd8cf
- Parent:
- 2:a8dcb07a1d00
- Child:
- 4:ba9100d52e48
changed serial -> raw serial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbedAustin | 0:59bec1fd956e | 1 | #include "mbed.h" |
mbedAustin | 2:a8dcb07a1d00 | 2 | |
mbedAustin | 3:0393f97fd8cf | 3 | RawSerial pc(USBTX, USBRX); // computer to mbed board |
mbedAustin | 3:0393f97fd8cf | 4 | RawSerial esp(D1, D0); // mbed board to target board |
mbedAustin | 2:a8dcb07a1d00 | 5 | |
mbedAustin | 2:a8dcb07a1d00 | 6 | int |
mbedAustin | 2:a8dcb07a1d00 | 7 | main() |
mbedAustin | 2:a8dcb07a1d00 | 8 | { |
mbedAustin | 2:a8dcb07a1d00 | 9 | pc.baud(115200); |
mbedAustin | 3:0393f97fd8cf | 10 | esp.baud(115200); |
mbedAustin | 2:a8dcb07a1d00 | 11 | wait(0.1); |
mbedAustin | 2:a8dcb07a1d00 | 12 | pc.printf("\r\n########### ready ###########\r\n"); |
mbedAustin | 2:a8dcb07a1d00 | 13 | esp.printf("AT+RST\r\n"); |
mbedAustin | 2:a8dcb07a1d00 | 14 | while(1) { |
mbedAustin | 2:a8dcb07a1d00 | 15 | if(pc.readable()) { |
mbedAustin | 2:a8dcb07a1d00 | 16 | char c = pc.getc(); |
mbedAustin | 2:a8dcb07a1d00 | 17 | //pc.putc(c); // echo character back to computer for sanity |
mbedAustin | 2:a8dcb07a1d00 | 18 | //if(c == '\r'){ |
mbedAustin | 2:a8dcb07a1d00 | 19 | // esp.printf("\r\n"); |
mbedAustin | 2:a8dcb07a1d00 | 20 | // } |
mbedAustin | 2:a8dcb07a1d00 | 21 | // else{ |
mbedAustin | 2:a8dcb07a1d00 | 22 | esp.putc(c); |
mbedAustin | 2:a8dcb07a1d00 | 23 | // } |
mbedAustin | 2:a8dcb07a1d00 | 24 | } |
mbedAustin | 2:a8dcb07a1d00 | 25 | if(esp.readable()) { |
mbedAustin | 2:a8dcb07a1d00 | 26 | char c = esp.getc(); |
mbedAustin | 2:a8dcb07a1d00 | 27 | //if(c == '\n'){ |
mbedAustin | 2:a8dcb07a1d00 | 28 | // pc.printf("\\n"); |
mbedAustin | 2:a8dcb07a1d00 | 29 | // } |
mbedAustin | 2:a8dcb07a1d00 | 30 | // if(c == '\r'){ |
mbedAustin | 2:a8dcb07a1d00 | 31 | // pc.printf("\\r"); |
mbedAustin | 2:a8dcb07a1d00 | 32 | // } |
mbedAustin | 2:a8dcb07a1d00 | 33 | |
mbedAustin | 2:a8dcb07a1d00 | 34 | pc.putc(c); |
mbedAustin | 2:a8dcb07a1d00 | 35 | } |
mbedAustin | 0:59bec1fd956e | 36 | } |
mbedAustin | 0:59bec1fd956e | 37 | } |