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stmhal, pin: Save 140 bytes ROM by simplifying pin_print function.

This commit is contained in:
Damien George 2014-08-09 09:19:37 +01:00
parent 04019e365f
commit 2605df3346
1 changed files with 41 additions and 24 deletions
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65
stmhal/pin.c
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@ -189,41 +189,58 @@ const pin_obj_t *pin_find(mp_obj_t user_obj) {
STATIC void pin_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
pin_obj_t *self = self_in;
// Need to query mode, pull, af
// pin name
print(env, "Pin(Pin.cpu.%s, mode=Pin.", qstr_str(self->name));
print(env, "Pin(Pin.cpu.%s", qstr_str(self->name));
uint32_t mode = pin_get_mode(self);
if (mode == GPIO_MODE_ANALOG) {
print(env, ", mode=Pin.ANALOG)", qstr_str(self->name));
// analog
print(env, "ANALOG)");
} else {
const char *pull_str = "";
// IO mode
bool af = false;
qstr mode_qst;
if (mode == GPIO_MODE_INPUT) {
mode_qst = MP_QSTR_IN;
} else if (mode == GPIO_MODE_OUTPUT_PP) {
mode_qst = MP_QSTR_OUT_PP;
} else if (mode == GPIO_MODE_OUTPUT_OD) {
mode_qst = MP_QSTR_OUT_OD;
} else {
af = true;
if (mode == GPIO_MODE_AF_PP) {
mode_qst = MP_QSTR_AF_PP;
} else {
mode_qst = MP_QSTR_AF_OD;
}
}
print(env, qstr_str(mode_qst)); // safe because mode_qst has no formating chars
// pull mode
qstr pull_qst = MP_QSTR_NULL;
uint32_t pull = pin_get_pull(self);
if (pull == GPIO_PULLUP) {
pull_str = ", pull=Pin.PULL_UP";
pull_qst = MP_QSTR_PULL_UP;
} else if (pull == GPIO_PULLDOWN) {
pull_str = ", pull=Pin.PULL_DOWN";
pull_qst = MP_QSTR_PULL_DOWN;
}
if (mode == GPIO_MODE_INPUT) {
print(env, ", mode=Pin.IN%s)", pull_str);
} else if (mode == GPIO_MODE_OUTPUT_PP || mode == GPIO_MODE_OUTPUT_OD) {
if (mode == GPIO_MODE_OUTPUT_PP) {
print(env, ", mode=Pin.OUT_PP%s)", pull_str);
if (pull_qst != MP_QSTR_NULL) {
print(env, ", pull=Pin.%s", qstr_str(pull_qst));
}
// AF mode
if (af) {
mp_uint_t af_idx = pin_get_af(self);
const pin_af_obj_t *af_obj = pin_find_af_by_index(self, af_idx);
if (af_obj == NULL) {
print(env, ", af=%d)", af_idx);
} else {
print(env, ", mode=Pin.OUT_OD%s)", pull_str);
print(env, ", af=Pin.%s)", qstr_str(af_obj->name));
}
} else {
if (mode == GPIO_MODE_AF_PP) {
print(env, ", mode=Pin.AF_PP");
} else {
print(env, ", mode=Pin.AF_OD");
}
mp_uint_t af_idx = pin_get_af(self);
const pin_af_obj_t *af = pin_find_af_by_index(self, af_idx);
if (af == NULL) {
print(env, ", af=%d%s)", af_idx, pull_str);
} else {
print(env, ", af=Pin.%s)", qstr_str(af->name), pull_str);
}
print(env, ")");
}
}
}