Program for loading code into LPC1768 on a costum PCB
Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:ba450e9d7f56
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Mar 10 15:24:36 2015 +0000 @@ -0,0 +1,62 @@ +#include "mbed.h" + +DigitalOut led1(LED1); +DigitalOut led2(LED2); + +Serial pc (USBTX,USBRX); +Serial target (p28,p27); + +// We'll drive this low, and then set the as inputs +// this mimics an open collector style ouput +DigitalInOut reset (p29); +DigitalInOut isp (p30); + +int main() { + + pc.baud(115200); + target.baud(115200); + + // ISP Input with pullup + pc.printf("Ready!\r\n"); + isp.input(); + isp.mode(PullUp); + + // pulse reset low + reset.output(); + reset = 0; + wait (0.01); + + // reset input, with pullup + reset.input(); + reset.mode(PullUp); + + while (!pc.readable()) {} + + // pull ISP and nReset low + reset.output(); + isp.output(); + reset = 0; + isp = 0; + + wait (0.1); + + // Bring target out of reset + reset.input(); + reset.mode(PullUp); + + wait (0.1); + + while (1) { + + if (pc.readable()) { + target.putc(pc.getc()); + led1 = !led1; + } + + if (target.readable()) { + pc.putc(target.getc()); + led2 = !led2; + } + + } +} \ No newline at end of file