edge
testje
Diff: main.cpp
- Revision:
- 0:0a5a8dae0fa1
- Child:
- 1:7baef237c57c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Apr 12 13:57:44 2016 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+
+// Read temperature from TH06
+
+// p6 PA_8 / XBEE_PWM0 / XBEE_RSSI / I2C_SCL D15
+// p7 PC_9 / XBEE_PWM1 / I2C_SDA D14
+I2C i2c(PC_9,PA_8);
+
+const int addr = 0x80;
+
+int main() {
+ char cmd[2];
+
+ while (1) {
+ cmd[0] = 0xf3;
+ i2c.write(addr, cmd, 1);
+
+ wait(0.5);
+
+ i2c.read(addr, cmd, 2);
+
+ float temp_code = (cmd[0]<<8)|cmd[1];
+ float temp = 175.72*temp_code/65535.0-46.85;
+
+ printf("Temp = %.2f\r\n", temp);
+ }
+}
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