Fix math for temp

[apps/hvac.git] / binding / hvac-demo-binding.c

diff --git a/binding/hvac-demo-binding.c b/binding/hvac-demo-binding.c
index 4913380..3eb1876 100644 (file)
--- a/binding/hvac-demo-binding.c
+++ b/binding/hvac-demo-binding.c
@@ -148,7 +148,7 @@ static int open_can_dev()
 // Get original get temperature function from cpp hvacplugin code
 static uint8_t to_can_temp(uint8_t value)
 {
-       int result = ((0xF0 - 0x10) / 15) * value - 16;
+       int result = ((0xF0 - 0x10) / 15) * (value - 15) + 0x10;
        if (result < 0x10)
                result = 0x10;
        if (result > 0xF0)