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Lab5
Fork of TSI_sample by
Diff: main.cpp
- Revision:
- 5:6601376ae1b8
- Parent:
- 4:d54e74fbf82c
--- a/main.cpp Thu Feb 22 16:59:24 2018 +0000 +++ b/main.cpp Fri Mar 02 18:45:24 2018 +0000 @@ -1,59 +1,105 @@ #include "mbed.h" #include "TSISensor.h" - // Example program for lab 5 // ------------------------- // A value is read from the touch sensor and use // to control two LEDs // The value is also output to the serial interface - Serial pc(USBTX, USBRX); // tx, rx DigitalOut redLED(LED_RED); DigitalOut greenLED(LED_GREEN); +DigitalOut blueLED(LED_BLUE); +DigitalOut led(PTD5); TSISensor tsi; +Thread redThread(osPriorityNormal,1000) ; // thread for red LED +Thread greenThread(osPriorityNormal,1000) ; // thread for green LED +Thread blueThread(osPriorityNormal,1000) ; // thread for blue LED +Thread whiteThread(osPriorityNormal,1000) ; // thread for mix LED -Thread redThread ; // thread for red LED -Thread greenThread ; // thread for green LED - -void red_thread() { // method to run in thread +void red_thread() // methbd to run in thread +{ + while (true) { + Thread::signal_wait(0x1); + redLED = !redLED; // turn on + redThread.signal_clr(0x1) ; + // Signal are automatically cleared by wait_signal but + // the signal might have been set again while LED on + } +} +void blue_thread() // methbd to run in thread +{ while (true) { Thread::signal_wait(0x1); - redLED = false ; // turn on - Thread::wait(5000); - redLED = true ; // turn off - redThread.signal_clr(0x1) ; - // Signal are automatically cleared by wait_signal but - // the signal might have been set again while LED on + blueLED = !blueLED; + blueThread.signal_clr(0x1) ; + // Signal are automatically cleared by wait_signal but + // the signal might have been set again while LED on + } +} +void green_thread() // methbd to run in thread +{ + while (true) { + Thread::signal_wait(0x1); + greenLED = !greenLED; + greenThread.signal_clr(0x1) ; + // Signal are automatically cleared by wait_signal but + // the signal might have been set again while LED on + } +} +void white_thread() // methbd to run in thread +{ + while (true) { + Thread::signal_wait(0x1); + led=!led; + whiteThread.signal_clr(0x1) ; + // Signal are automatically cleared by wait_signal but + // the signal might have been set again while LED on } } -void green_thread() { // method to run in thread +int main(void) +{ + int pos=1; + redLED = 1; // turn off + greenLED = 1; // turn off + blueLED = 1; + led=1; + redThread.start(&red_thread) ; // start the red thread + greenThread.start(&green_thread) ; // start the green thread + blueThread.start(&blue_thread) ; // start the blue thread + whiteThread.start(&white_thread) ; // start the mixcolor thread + while (true) { - Thread::signal_wait(0x1); - greenLED = false ; // turn on - Thread::wait(5000); - greenLED = true ; // turn off - greenThread.signal_clr(0x1) ; - // Signal are automatically cleared by wait_signal but - // the signal might have been set again while LED on + uint8_t d = tsi.readDistance() ; // Distance is between 0 and 39 + // When no touch --> 0 + // Left --> low value Right --> high value + pc.printf("%d", d) ; + pc.putc(' ') ; + if ((d>3) &&(d<9)) { + if (pos==1) { + redThread.signal_set(0x1) ; + pos=0; + } + } else if ((d>13) &&(d<19)) { + if (pos==1) { + greenThread.signal_set(0x1) ; + pos=0; + } + } else if ((d>23) &&(d<29)) { + if (pos==1) { + blueThread.signal_set(0x1) ; + pos=0; + } + } else if (d>33) { + if (pos==1) { + whiteThread.signal_set(0x1) ; + pos=0; + } + } else if(d == 0) { // touch off + pos=1; + } + Thread::wait(200); // This polling rate is too slow - increase it + // The slower rate maks it easier to output on the terminal } } -int main(void) { - redLED = true ; // turn off - greenLED = true ; // turn off - redThread.start(&red_thread) ; // start the red thread - greenThread.start(&green_thread) ; // start the green thread - - while (true) { - uint8_t d = tsi.readDistance() ; // Distance is between 0 and 39 - // When no touch --> 0 - // Left --> low value Right --> high value - pc.printf("%d", d) ; - pc.putc(' ') ; - if (d == 10) redThread.signal_set(0x1) ; - if (d == 20) greenThread.signal_set(0x1) ; - Thread::wait(200); // This polling rate is too slow - increase it - // The slower rate maks it easier to output on the terminal - } -} \ No newline at end of file