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FAN control: Fine-tune minimum PWM

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It appears the minimum PWM is more strongly dependent on battery voltage
than I had planned, it needs to be just a little higher to ensure the
fan keeps turning at low RPM.
This commit is contained in:
Stuart Longland 2016-09-04 06:47:28 +10:00
parent e62cbf497a
commit 772d5b9d30
Signed by: stuartl
GPG Key ID: 4DFA191410BDE3B7
1 changed files with 1 additions and 1 deletions
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powerctl.c
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@ -95,7 +95,7 @@ static volatile uint8_t led_timeout = 0;
*/ */
#define TEMP_MIN (270 << 6) /*!< ~20°C, approx ADC reading */ #define TEMP_MIN (270 << 6) /*!< ~20°C, approx ADC reading */
#define TEMP_MAX (300 << 6) /*!< ~30°C, approx ADC reading */ #define TEMP_MAX (300 << 6) /*!< ~30°C, approx ADC reading */
#define FAN_PWM_MIN (80) /*!< Minimum PWM value */ #define FAN_PWM_MIN (88) /*!< Minimum PWM value */
#define FAN_PWM_MAX (255) /*!< Maximum PWM value */ #define FAN_PWM_MAX (255) /*!< Maximum PWM value */
/*! Fan kick-start timeout */ /*! Fan kick-start timeout */
static volatile uint8_t fan_timeout = 0; static volatile uint8_t fan_timeout = 0;