X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=firmware%2Fbattery.c;h=01337db1bb8c196fde0d0ff3efa61b1457bce7a8;hb=9e483c6969d2cdce60f6dcc3d167fec889a48993;hp=284c096b34230b38f53702539d6ed4792f901dcb;hpb=b0e6a5b47836a04116631e3a5427b8a508fc5cbf;p=bike-lights.git

diff --git a/firmware/battery.c b/firmware/battery.c
index 284c096..01337db 100644
--- a/firmware/battery.c
+++ b/firmware/battery.c
@@ -23,8 +23,8 @@ void battery_adc(uint16_t adcval)
 	 * is coarse (0.1 V).
 	 */
 	battery_100mv = (unsigned char)
-		((uint16_t)(adcval * 11                              // 1.1V
+		((uint16_t)(adcval * (11                   // 1.1V
 		* (RESISTOR_HI+RESISTOR_LO)/RESISTOR_LO    // resistor ratio
-		/ 4) >> 8);                                // divide by 1024
+		/ 4)) >> 8);                               // divide by 1024
 }