A program for LPC11U68 UART1 testing
Revision 0:aa765ec85271, committed 2014-06-05
- Comitter:
- jurgis
- Date:
- Thu Jun 05 19:13:19 2014 +0000
- Commit message:
- Initial commit
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed-src.lib | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jun 05 19:13:19 2014 +0000 @@ -0,0 +1,78 @@ +#include "mbed.h" + +DigitalOut greenLed(LED_GREEN); +DigitalOut redLed(LED_RED); + +Serial pc(USBTX, USBRX); +Serial uart1(P1_8, P1_2); + +uint8_t buffer[256]; +uint16_t bufferIndex = 0; +uint8_t data; +uint32_t ledToggleTime; + +int main() +{ + pc.baud(115200); + pc.printf("\r\n\r\nProgram started\r\nType some text and press ENTER ...\r\n"); + + memset(buffer, 0, sizeof(buffer)); + redLed = 1; + ledToggleTime = 0; + + uart1.baud(115200); + pc.printf("Type text > "); // show the prompt + + for(;;) + { + while (uart1.readable() > 0) + { + pc.printf("\r\nreadable(): %d\r\n", uart1.readable()); + + data = uart1.getc(); + pc.printf("\r\n<<< [%02X]\r\n", data); + } + + while (pc.readable() > 0) + { + if (bufferIndex < sizeof(buffer)) + { + redLed = 1; // turn off the red led + data = pc.getc(); + + // wait for ENTER + if ((data == 0x0d) || (data == 0x0a)) + { + if (bufferIndex > 0) + { + pc.printf("\r\nGot it: %s\r\n", buffer); + + pc.printf("\r\n>>> %s\r\n", buffer); + uart1.printf("%s", buffer); + + memset(buffer, 0, sizeof(buffer)); + bufferIndex = 0; + } + + pc.printf("\r\nType text > "); // show the prompt + } + else + { + buffer[bufferIndex++] = data; + pc.putc(data); + } + } + else + { + redLed = 0; // turn on the red led + } + } + + // toggle green led every 500 ms + if ((us_ticker_read() - ledToggleTime)/1000 >= 500) + { + ledToggleTime = us_ticker_read(); + greenLed = !greenLed; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-src.lib Thu Jun 05 19:13:19 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-src/#8276e3a4886f