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dda_queue.c/.h: merge enqueue() and enqueue_temp_wait(). This 

saves almost 200 bytes.
This commit is contained in:
Markus Hitter 2010-09-30 21:51:18 +02:00
parent 94e0cce89b
commit 90fca50535
3 changed files with 18 additions and 36 deletions
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28
dda_queue.c
View File

@ -69,30 +69,11 @@ void enqueue(TARGET *t) {
uint8_t h = mb_head + 1;
h &= (MOVEBUFFER_SIZE - 1);
if (t != NULL) {
dda_create(&movebuffer[h], t);
mb_head = h;
#ifdef XONXOFF
// If the queue has only two slots remaining, stop transmission. More
// characters might come in until the stop takes effect.
if (((mb_tail - mb_head - 1) & (MOVEBUFFER_SIZE - 1)) < (MOVEBUFFER_SIZE - 2))
xoff();
#endif
// fire up in case we're not running yet
enableTimerInterrupt();
}
void enqueue_temp_wait() {
// don't call this function when the queue is full, but just in case, wait for a move to complete and free up the space for the passed target
while (queue_full())
delay(WAITING_DELAY);
uint8_t h = mb_head + 1;
h &= (MOVEBUFFER_SIZE - 1);
// wait for temp flag
else {
// it's a wait for temp
movebuffer[h].waitfor_temp = 1;
movebuffer[h].nullmove = 0;
#if (F_CPU & 0xFF000000) == 0
@ -102,10 +83,13 @@ void enqueue_temp_wait() {
// set "step" timeout to maximum
movebuffer[h].c = 0xFFFFFF00;
#endif
}
mb_head = h;
#ifdef XONXOFF
// If the queue has only two slots remaining, stop transmission. More
// characters might come in until the stop takes effect.
if (((mb_tail - mb_head - 1) & (MOVEBUFFER_SIZE - 1)) < (MOVEBUFFER_SIZE - 2))
xoff();
#endif

4
dda_queue.h
View File

@ -24,11 +24,9 @@ uint8_t queue_empty(void);
void queue_step(void);
// add a new target to the queue
// t == NULL means add a wait for target temp to the queue
void enqueue(TARGET *t);
// add a wait for target temp to the queue
void enqueue_temp_wait(void);
// called from step timer when current move is complete
void next_move(void) __attribute__ ((hot));

4
gcode.c
View File

@ -533,7 +533,7 @@ void process_gcode_command(GCODE_COMMAND *gcmd) {
// M101- extruder on
case 101:
if (temp_achieved() == 0) {
enqueue_temp_wait();
enqueue(NULL);
}
do {
// backup feedrate, move E very quickly then restore feedrate
@ -595,7 +595,7 @@ void process_gcode_command(GCODE_COMMAND *gcmd) {
else {
disable_heater();
}
enqueue_temp_wait();
enqueue(NULL);
break;
// M110- set line number