Honza T. / Mbed 2 deprecated EXAMPLE_Nucleo_mbed_RTOS_test_code

Simple test program to get familiar with functionality of MBED RTOS on ST Nucleo-F411RE. Tasks for LED blinking, user button, temperature measurement with DS1620, temperature measurement with internal temperature sensor of ST32F411RE, ultrasonic distance measurement and displaying result on 16x2 TextLCD.

Dependencies:   DS1620_improved TextLCD_improved mbed-rtos mbed

tsk_display.cpp@18:be0130c42925, 2015-12-18 (annotated)

Committer:
Jan Tetour
Date:
Fri Dec 18 20:00:56 2015 +0100
Revision:
18:be0130c42925
Parent:
17:94c385ff2641 
Minor formatting changes.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jan Tetour 18:be0130c42925 1 /*
Jan Tetour 18:be0130c42925 2 * TSK_DISPLAY.CPP
Jan Tetour 18:be0130c42925 3 */
dzoni 9:645f0e517017 4 #include "mbed.h"
dzoni 9:645f0e517017 5 #include "rtos.h"
dzoni 9:645f0e517017 6
dzoni 9:645f0e517017 7 #include "TextLCD.h"
dzoni 9:645f0e517017 8
dzoni 17:94c385ff2641 9 #include "tsk_main.h"
dzoni 9:645f0e517017 10 #include "tsk_display.h"
dzoni 9:645f0e517017 11 #include "tsk_temp.h"
dzoni 17:94c385ff2641 12 #include "tsk_inttemp.h"
dzoni 9:645f0e517017 13 #include "tsk_dist.h"
dzoni 9:645f0e517017 14
dzoni 15:a627638edd9c 15 static TextLCD *lcd;
dzoni 9:645f0e517017 16
dzoni 12:1de8b271e292 17 uint32_t initDisplay(void const *args) {
dzoni 13:f62b10a6e1c5 18
dzoni 13:f62b10a6e1c5 19 lcd = new TextLCD(PA_8, PA_7, PA_9, PA_1, PB_5, PA_10, TextLCD::LCD16x2);
dzoni 13:f62b10a6e1c5 20
dzoni 17:94c385ff2641 21 wait_ms(250);
dzoni 13:f62b10a6e1c5 22 lcd->cls();
dzoni 13:f62b10a6e1c5 23
dzoni 13:f62b10a6e1c5 24 return 1;
dzoni 13:f62b10a6e1c5 25 }
dzoni 13:f62b10a6e1c5 26
dzoni 13:f62b10a6e1c5 27 uint32_t disposeDisplay(void const *args) {
dzoni 13:f62b10a6e1c5 28
dzoni 13:f62b10a6e1c5 29 delete lcd;
dzoni 13:f62b10a6e1c5 30 lcd = NULL;
dzoni 13:f62b10a6e1c5 31
dzoni 12:1de8b271e292 32 return 1;
dzoni 12:1de8b271e292 33 }
dzoni 12:1de8b271e292 34
dzoni 12:1de8b271e292 35
dzoni 9:645f0e517017 36 void disp_thread(void const *args) {
dzoni 17:94c385ff2641 37 float dist;
dzoni 17:94c385ff2641 38 float temp;
dzoni 17:94c385ff2641 39 float intTemp;
dzoni 17:94c385ff2641 40 uint32_t dist_raw;
dzoni 17:94c385ff2641 41 uint32_t temp_raw;
dzoni 17:94c385ff2641 42
dzoni 17:94c385ff2641 43 while (true) {
dzoni 17:94c385ff2641 44 mutexDist.lock();
dzoni 17:94c385ff2641 45 dist = dist_data.distance;
dzoni 17:94c385ff2641 46 dist_raw = dist_data.timerTicks;
dzoni 17:94c385ff2641 47 mutexDist.unlock();
dzoni 9:645f0e517017 48
dzoni 17:94c385ff2641 49 mutexTemp.lock();
dzoni 17:94c385ff2641 50 temp = temp_data.temperature;
dzoni 17:94c385ff2641 51 temp_raw = temp_data.temp_raw;
dzoni 17:94c385ff2641 52 mutexTemp.unlock();
dzoni 17:94c385ff2641 53
dzoni 17:94c385ff2641 54 mutexIntTemp.lock();
dzoni 17:94c385ff2641 55 intTemp = int_temp_data.temperature;
dzoni 17:94c385ff2641 56 mutexIntTemp.unlock();
dzoni 17:94c385ff2641 57
dzoni 17:94c385ff2641 58 uiCnt += 2;
dzoni 17:94c385ff2641 59
dzoni 13:f62b10a6e1c5 60 lcd->cls();
dzoni 17:94c385ff2641 61 // lcd->printf("%4.2fmm (%4u)", dist, dist_raw);
dzoni 17:94c385ff2641 62 lcd->printf("%4.2fmm (%4u)", dist, uiCnt);
dzoni 13:f62b10a6e1c5 63 lcd->locate(0, 1);
dzoni 17:94c385ff2641 64 // lcd->printf("%3.2f%cC (%3u)", temp, 0xdf, temp_raw);
dzoni 17:94c385ff2641 65 lcd->printf("%3.1f%cC (%2.1f)", temp, 0xdf, intTemp);
dzoni 12:1de8b271e292 66
dzoni 17:94c385ff2641 67 Thread::wait(2000);
dzoni 9:645f0e517017 68 }
Jan Tetour 18:be0130c42925 69 }