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Changhe PWM Value from INT to unsigned char, is faster for interrupt

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This commit is contained in:
midopple 2012-02-24 14:00:51 +01:00
parent d30c3199f9
commit 7c5e58a7c4
2 changed files with 3 additions and 3 deletions
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4
Sprinter/heater.cpp
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@ -48,7 +48,7 @@ int current_bed_raw = 0;
unsigned long previous_millis_heater, previous_millis_bed_heater, previous_millis_monitor;
#ifdef PIDTEMP
int g_heater_pwm_val = 0;
volatile unsigned char g_heater_pwm_val = 0;
unsigned char PWM_off_time = 0;
unsigned char PWM_out_on = 0;
@ -402,7 +402,7 @@ int read_max6675()
heater_duty = constrain(heater_duty, 0, HEATER_CURRENT);
#ifdef PID_SOFT_PWM
g_heater_pwm_val = heater_duty;
g_heater_pwm_val = (unsigned char)heater_duty;
#else
analogWrite(HEATER_0_PIN, heater_duty);

2
Sprinter/heater.h
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@ -75,7 +75,7 @@ extern unsigned long previous_millis_heater, previous_millis_bed_heater;
extern unsigned char manage_monitor;
#ifdef PIDTEMP
extern int g_heater_pwm_val;
extern volatile unsigned char g_heater_pwm_val;
extern unsigned char PWM_off_time;
extern unsigned char PWM_out_on;