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stepcompress: Allow stepcompress_alloc() to be called early

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Don't require an mcu connection to allocate the stepcompress object.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-06-08 17:02:20 -04:00
parent 9a2eb4bedd
commit ba3428822d
4 changed files with 30 additions and 22 deletions
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7
klippy/chelper/__init__.py
View File

@@ -22,9 +22,10 @@ DEST_LIB = "c_helper.so"
OTHER_FILES = ['list.h', 'serialqueue.h', 'stepcompress.h', 'pyhelper.h']
defs_stepcompress = """
struct stepcompress *stepcompress_alloc(uint32_t max_error
, uint32_t queue_step_msgid, uint32_t set_next_step_dir_msgid
, uint32_t invert_sdir, uint32_t oid);
struct stepcompress *stepcompress_alloc(uint32_t oid);
void stepcompress_fill(struct stepcompress *sc, uint32_t max_error
, uint32_t invert_sdir, uint32_t queue_step_msgid
, uint32_t set_next_step_dir_msgid);
void stepcompress_free(struct stepcompress *sc);
int stepcompress_reset(struct stepcompress *sc, uint64_t last_step_clock);
int stepcompress_set_homing(struct stepcompress *sc, uint64_t homing_clock);

20
klippy/chelper/stepcompress.c
View File

@@ -228,22 +228,28 @@ check_line(struct stepcompress *sc, struct step_move move)
// Allocate a new 'stepcompress' object
struct stepcompress * __visible
stepcompress_alloc(uint32_t max_error, uint32_t queue_step_msgid
, uint32_t set_next_step_dir_msgid, uint32_t invert_sdir
, uint32_t oid)
stepcompress_alloc(uint32_t oid)
{
struct stepcompress *sc = malloc(sizeof(*sc));
memset(sc, 0, sizeof(*sc));
sc->max_error = max_error;
list_init(&sc->msg_queue);
sc->queue_step_msgid = queue_step_msgid;
sc->set_next_step_dir_msgid = set_next_step_dir_msgid;
sc->oid = oid;
sc->sdir = -1;
sc->invert_sdir = !!invert_sdir;
return sc;
}
// Fill message id information
void __visible
stepcompress_fill(struct stepcompress *sc, uint32_t max_error
, uint32_t invert_sdir, uint32_t queue_step_msgid
, uint32_t set_next_step_dir_msgid)
{
sc->max_error = max_error;
sc->invert_sdir = !!invert_sdir;
sc->queue_step_msgid = queue_step_msgid;
sc->set_next_step_dir_msgid = set_next_step_dir_msgid;
}
// Free memory associated with a 'stepcompress' object
void __visible
stepcompress_free(struct stepcompress *sc)

7
klippy/chelper/stepcompress.h
View File

@@ -5,9 +5,10 @@
#define ERROR_RET -989898989
struct stepcompress *stepcompress_alloc(
uint32_t max_error, uint32_t queue_step_msgid
, uint32_t set_next_step_dir_msgid, uint32_t invert_sdir, uint32_t oid);
struct stepcompress *stepcompress_alloc(uint32_t oid);
void stepcompress_fill(struct stepcompress *sc, uint32_t max_error
, uint32_t invert_sdir, uint32_t queue_step_msgid
, uint32_t set_next_step_dir_msgid);
void stepcompress_free(struct stepcompress *sc);
int set_next_step_dir(struct stepcompress *sc, int sdir);
int stepcompress_reset(struct stepcompress *sc, uint64_t last_step_clock);