Honza T.
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
Diff: tsk_temp.cpp
- Revision:
- 9:645f0e517017
- Child:
- 11:e89f89c0920b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tsk_temp.cpp Mon Dec 14 11:32:15 2015 +0000
@@ -0,0 +1,36 @@
+#include "mbed.h"
+#include "rtos.h"
+
+#include "DS1620.h"
+
+#include "tsk_temp.h"
+
+
+struct temp_data_struct temp_data = { 20, 10.0f };
+
+static DS1620 ds1620Sensor(PB_4, PB_10, PB_3);
+
+
+void initDS1620Temp(void) {
+
+ ds1620Sensor.setSerialClockFrequency(freq500k);
+
+ if ((ds1620Sensor.readConfig() & 0x03) != 0x03) {
+ ds1620Sensor.writeConfig(0x03);
+ }
+}
+
+void temp_thread(void const *args) {
+
+ while (true) {
+ ds1620Sensor.startConversion();
+
+ // Wait for conversion completion (Tconv = 750 ms typ)
+ Thread::wait(750);
+ while (!(ds1620Sensor.readConfig() & 0x80))
+ Thread::wait(10);
+
+ temp_data.temperature = ds1620Sensor.getHighResolutionTemperature();
+ temp_data.temp_raw = ds1620Sensor.readTemperatureRaw();
+ }
+}