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: main.cpp
- Revision:
- 0:75ede6a15252
- Child:
- 2:c190b9b39089
diff -r 000000000000 -r 75ede6a15252 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Dec 12 19:15:13 2015 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+#include "DS1620.h"
+#include "TextLCD.h"
+
+
+DigitalOut myled(LED1);
+
+int main() {
+
+ wait_us(1000000);
+
+ TextLCD lcd(PA_8, PA_7, PA_9, PA_1, PB_5, PA_10, TextLCD::LCD16x2);
+
+ DS1620 ds1620Sensor(PB_4, PB_10, PB_3);
+
+ float temperature;
+ uint32_t uiCnt=0;
+
+ ds1620Sensor.setSerialClockFrequency(freq500k);
+ if ((ds1620Sensor.readConfig() & 0x03) != 0x03) {
+ ds1620Sensor.writeConfig(0x03);
+ }
+
+ while(1) {
+ myled = myled ^ 1;
+
+ ds1620Sensor.startConversion();
+
+ // Wait for conversion completion (Tconv = 750 ms typ)
+ wait_us(750000);
+ while (!(ds1620Sensor.readConfig() & 0x80))
+ wait_us(10000);
+
+ temperature = ds1620Sensor.getHighResolutionTemperature();
+
+ lcd.cls();
+ lcd.printf("Raw: %u", ds1620Sensor.readTemperatureRaw());
+ uiCnt += 1;
+ lcd.locate(0, 1);
+ lcd.printf("Float: %3.2f%cC", temperature, 0xdf);
+
+ wait_us(250000);
+ }
+}
+
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