diff options
| author | Scott Shawcroft <scott@tannewt.org> | 2019-01-25 18:31:27 -0800 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2019-01-31 11:42:14 -0800 |
| commit | 69bc5e189baef183918dc21dadaacf55ce66bee3 (patch) | |
| tree | d24fbf2f860a414926aaa3141bbcbd1929016784 /shared-bindings/pulseio | |
| parent | 1a1dbef992442682413f6103e36440a26bc2dad7 (diff) | |
Rudamentary backlight support
Diffstat (limited to 'shared-bindings/pulseio')
| -rw-r--r-- | shared-bindings/pulseio/PWMOut.c | 11 | ||||
| -rw-r--r-- | shared-bindings/pulseio/PWMOut.h | 14 |
2 files changed, 23 insertions, 2 deletions
diff --git a/shared-bindings/pulseio/PWMOut.c b/shared-bindings/pulseio/PWMOut.c index ed3acd804..bba5fe883 100644 --- a/shared-bindings/pulseio/PWMOut.c +++ b/shared-bindings/pulseio/PWMOut.c @@ -108,7 +108,16 @@ STATIC mp_obj_t pulseio_pwmout_make_new(const mp_obj_type_t *type, size_t n_args // create PWM object from the given pin pulseio_pwmout_obj_t *self = m_new_obj(pulseio_pwmout_obj_t); self->base.type = &pulseio_pwmout_type; - common_hal_pulseio_pwmout_construct(self, pin, duty_cycle, frequency, variable_frequency); + pwmout_result_t result = common_hal_pulseio_pwmout_construct(self, pin, duty_cycle, frequency, variable_frequency); + if (result == PWMOUT_INVALID_PIN) { + mp_raise_ValueError(translate("Invalid pin")); + } else if (result == PWMOUT_INVALID_FREQUENCY) { + mp_raise_ValueError(translate("Invalid PWM frequency")); + } else if (result == PWMOUT_ALL_TIMERS_ON_PIN_IN_USE) { + mp_raise_ValueError(translate("All timers for this pin are in use")); + } else if (result == PWMOUT_ALL_TIMERS_IN_USE) { + mp_raise_RuntimeError(translate("All timers in use")); + } return MP_OBJ_FROM_PTR(self); } diff --git a/shared-bindings/pulseio/PWMOut.h b/shared-bindings/pulseio/PWMOut.h index 0b630816b..c01e0c926 100644 --- a/shared-bindings/pulseio/PWMOut.h +++ b/shared-bindings/pulseio/PWMOut.h @@ -32,7 +32,15 @@ extern const mp_obj_type_t pulseio_pwmout_type; -extern void common_hal_pulseio_pwmout_construct(pulseio_pwmout_obj_t* self, +typedef enum { + PWMOUT_OK, + PWMOUT_INVALID_PIN, + PWMOUT_INVALID_FREQUENCY, + PWMOUT_ALL_TIMERS_ON_PIN_IN_USE, + PWMOUT_ALL_TIMERS_IN_USE +} pwmout_result_t; + +extern pwmout_result_t common_hal_pulseio_pwmout_construct(pulseio_pwmout_obj_t* self, const mcu_pin_obj_t* pin, uint16_t duty, uint32_t frequency, bool variable_frequency); extern void common_hal_pulseio_pwmout_deinit(pulseio_pwmout_obj_t* self); @@ -43,4 +51,8 @@ extern void common_hal_pulseio_pwmout_set_frequency(pulseio_pwmout_obj_t* self, extern uint32_t common_hal_pulseio_pwmout_get_frequency(pulseio_pwmout_obj_t* self); extern bool common_hal_pulseio_pwmout_get_variable_frequency(pulseio_pwmout_obj_t* self); +// This is used by the supervisor to claim PWMOut devices indefinitely. +extern void common_hal_pulseio_pwmout_never_reset(pulseio_pwmout_obj_t *self); +extern void common_hal_pulseio_pwmout_reset_ok(pulseio_pwmout_obj_t *self); + #endif // MICROPY_INCLUDED_SHARED_BINDINGS_PULSEIO_PWMOUT_H |