fant sw: max speed at start, low speed later for less noise

main_fw/src/main.c

@@ -39,7 +39,7 @@ int16_t curr_pwm_duty1000_1 = 10;
 int16_t curr_pwm_duty1000_2 = 10;
 int16_t curr_pwm_duty1000_3 = 10;
 
-#define FAN_RAMPUP 800
+#define FAN_RAMPUP 950
 
 int16_t goal_pwm_duty1000_1 = FAN_RAMPUP;
 int16_t goal_pwm_duty1000_2 = FAN_RAMPUP;
@@ -58,7 +58,7 @@ uint16_t tacho_rpm[3];
 // duty cycle (0 to 1000)
 #if defined(MMFANT) || defined(MMPROT)
 uint16_t fan_installed[3] __xMR = {1, 1, 1};
-uint16_t setfrpms[3] __xMR = {600, 600, 600};
+uint16_t setfrpms[3] __xMR = {500, 500, 500};
 #else
 uint16_t fan_installed[3] __xMR = {0, 0, 0};
 uint16_t setfrpms[3] __xMR = {0, 0, 0};