ManuelW/grbl-LPC-CoreXY
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optimized for size, shaved 2k

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This commit is contained in:
Simen Svale Skogsrud
2009-02-08 21:22:54 +01:00
parent c07a322589
commit 05bacc436e
5 changed files with 202 additions and 258 deletions
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12
stepper.c
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@ -108,7 +108,8 @@ void st_init()
void st_buffer_step(uint8_t motor_port_bits)
{
if (echo_steps) {
if (echo_steps && !(motor_port_bits&0x80)) {
// Echo steps. If bit 7 is set, the message is internal to Grbl and should not be echoed
printByte('!'+motor_port_bits);
}
@ -170,6 +171,15 @@ void st_buffer_pace(uint32_t microseconds)
st_buffer_step(0xff);
}
uint8_t st_bit_for_stepper(int axis) {
switch(axis) {
case X_AXIS: return(1<<X_STEP_BIT);
case Y_AXIS: return(1<<Y_STEP_BIT);
case Z_AXIS: return(1<<Z_STEP_BIT);
}
return(0);
}
void config_pace_timer(uint32_t microseconds)
{
uint32_t ticks = microseconds*TICKS_PER_MICROSECOND;