ManuelW/grbl-LPC-CoreXY
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fixed a problem with the direction-pins

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Simen Svale Skogsrud 2010-02-27 21:01:35 +01:00
parent a42c03601d
commit 551b4ed274
2 changed files with 8 additions and 6 deletions
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10
config.h
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@ -23,9 +23,9 @@
#define VERSION "0.0" #define VERSION "0.0"
#define X_STEPS_PER_MM 94.488188976378 #define X_STEPS_PER_MM (94.488188976378*16)
#define Y_STEPS_PER_MM 94.488188976378 #define Y_STEPS_PER_MM (94.488188976378*16)
#define Z_STEPS_PER_MM 94.488188976378 #define Z_STEPS_PER_MM (94.488188976378*16)
#define STEP_PULSE_MICROSECONDS 30 #define STEP_PULSE_MICROSECONDS 30
@ -73,9 +73,11 @@
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) #define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT))
// Use this line for default operation (step-pulses high) // Use this line for default operation (step-pulses high)
#define STEPPING_INVERT_MASK 0 #define STEPPING_INVERT_MASK 0
// Uncomment this line for inverted stepping (step-pulses low, rest high) // Uncomment this line for inverted stepping (step-pulses low, rest high)
// #define STEPPING_INVERT_MASK (STEP_MASK) // #define STEPPING_INVERT_MASK (STEP_MASK)
// Uncomment this line to invert all step- and direction bits
// #define STEPPING_INVERT_MASK (STEPPING_MASK)
// Or bake your own like this adding any step-bits or directions you want to invert: // Or bake your own like this adding any step-bits or directions you want to invert:
// #define STEPPING_INVERT_MASK (STEP_MASK | (1<<Z_DIRECTION_BIT)) // #define STEPPING_INVERT_MASK (STEP_MASK | (1<<Z_DIRECTION_BIT))

4
stepper.c
View File

@ -77,7 +77,7 @@ SIGNAL(SIG_OUTPUT_COMPARE1A)
SIGNAL(SIG_OVERFLOW2) SIGNAL(SIG_OVERFLOW2)
{ {
// reset stepping pins (leave the direction pins) // reset stepping pins (leave the direction pins)
STEPPING_PORT = (STEPPING_PORT & ~STEPPING_MASK) | (STEPPING_INVERT_MASK & STEPPING_MASK); STEPPING_PORT = (STEPPING_PORT & ~STEP_MASK) | (STEPPING_INVERT_MASK & STEP_MASK);
} }
// Initialize and start the stepper motor subsystem // Initialize and start the stepper motor subsystem
@ -85,7 +85,7 @@ void st_init()
{ {
// Configure directions of interface pins // Configure directions of interface pins
STEPPING_DDR |= STEPPING_MASK; STEPPING_DDR |= STEPPING_MASK;
STEPPING_PORT = (STEPPING_PORT & ~STEPPING_MASK) | STEPPING_INVERT_MASK; STEPPING_PORT = (STEPPING_PORT & ~STEPPING_MASK); //| STEPPING_INVERT_MASK;
LIMIT_DDR &= ~(LIMIT_MASK); LIMIT_DDR &= ~(LIMIT_MASK);
STEPPERS_ENABLE_DDR |= 1<<STEPPERS_ENABLE_BIT; STEPPERS_ENABLE_DDR |= 1<<STEPPERS_ENABLE_BIT;