Hsieh JenYun
a
Fork of
I2C_Master
by 
LAXAN01
Diff: main.cpp
- Revision:
- 0:f76c26307f9a
- Child:
- 1:6926cb0de2b0
diff -r 000000000000 -r f76c26307f9a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Feb 14 17:24:48 2013 +0000
@@ -0,0 +1,25 @@
+#include "mbed.h"
+
+// Read temperature from LM75BD
+
+I2C i2c(p28, p27);
+
+const int addr = 0x90;
+
+int main() {
+ char cmd[2];
+ while (1) {
+ cmd[0] = 0x01;
+ cmd[1] = 0x00;
+ i2c.write(addr, cmd, 2);
+
+ wait(0.5);
+
+ cmd[0] = 0x00;
+ i2c.write(addr, cmd, 1);
+ i2c.read(addr, cmd, 2);
+
+ float tmp = (float((cmd[0]<<8)|cmd[1]) / 256.0);
+ printf("Temp = %.2f\n", tmp);
+ }
+}
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