Change 1wire pin to A8 as it's 5V tolerant
Dependencies: DS1820 mbed-STM32F103C8T6 mbed
Fork of stm32f103c8t6-ds18b20 by
Diff: main.cpp
- Revision:
- 12:c11b1e5546b0
- Parent:
- 10:4b88be251088
- Child:
- 13:c91214d92d70
--- a/main.cpp Mon Jun 26 13:53:25 2017 +0000 +++ b/main.cpp Thu Jan 11 04:38:02 2018 +0000 @@ -1,20 +1,19 @@ #include "stm32f103c8t6.h" #include "mbed.h" - +#include "DS1820.h" + +#define DATA_PIN PA_7 + int main() { - confSysClock(); //Configure system clock (72MHz HSE clock, 48MHz USB clock) - - Serial pc(PA_2, PA_3); - DigitalOut myled(LED1); + DS1820 probe(DATA_PIN); while(1) { - // The on-board LED is connected, via a resistor, to +3.3V (not to GND). - // So to turn the LED on or off we have to set it to 0 or 1 respectively - myled = 0; // turn the LED on - wait_ms(200); // 200 millisecond - myled = 1; // turn the LED off - wait_ms(1000); // 1000 millisecond - pc.printf("Blink\r\n"); + printf("Initiating temperature conversion\r\n"); + probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready + double temperature = probe.temperature(); + int temp_integer = temperature; + int temp_milli = (temperature - temp_integer) * 1000; + printf("It is %d.%03dC\r\n", temp_integer, temp_milli); + wait(1000); } } - \ No newline at end of file