show object voltage

3 files changed, 19 insertions, 2 deletions

diff --git a/main.c b/main.c
index 3cab384..5e678c2 100755
--- a/main.c
+++ b/main.c
@@ -41,11 +41,12 @@ int main(void)
 	    while (1);
 	}
 
-	char buf[8];
+	char buf[32];
 	while (1) {
 	    lcdClear();
 	    int16_t temp = tempGetDieTemperature();
-	    sprintf(buf, "%04d", temp);
+	    int16_t vobj = tempGetObjVoltage();
+	    sprintf(buf, "T: %4d V: %4d", temp, vobj);
 	    lcdPuts(buf);
 	    delay(1000);
 	}
diff --git a/temp.c b/temp.c
index e094d6f..e617a58 100755
--- a/temp.c
+++ b/temp.c
@@ -69,6 +69,11 @@ int16_t tempGetDieTemperature(void)
     return (raw >> 2) / 32;
 }
 
+int16_t tempGetObjVoltage(void)
+{
+	return tempI2CRead(TMP006_VOBJ);
+}
+
 void tempI2CWrite(uint8_t reg, uint16_t value)
 {
 	uint8_t data[3] = {
diff --git a/temp.h b/temp.h
index aec66c9..ab28b84 100755
--- a/temp.h
+++ b/temp.h
@@ -27,6 +27,17 @@
  */
 int tempInit(void);
 
+/**
+ * Gets the object's voltage, which may be used in calculations to get the
+ * object's temperature.
+ * @return The object's voltage
+ */
+int16_t tempGetObjVoltage(void);
+
+/**
+ * Gets the current ambient temperature, in Celsius.
+ * @return The ambient temperature
+ */
 int16_t tempGetDieTemperature(void);
 
 #endif // TEMP_H_