stm32/servo: Fix angle and speed methods to work again with -ve args.
Fixes a regression introduced by
Fixes issue
@@ -278,7 +278,7 @@ STATIC mp_obj_t pyb_servo_angle(size_t n_args, const mp_obj_t *args) {
return mp_obj_new_int((self->pulse_cur - self->pulse_centre) * 90 / self->pulse_angle_90);
} else {
#if MICROPY_PY_BUILTINS_FLOAT
- self->pulse_dest = self->pulse_centre + (uint16_t)((mp_float_t)self->pulse_angle_90 * mp_obj_get_float(args[1]) / MICROPY_FLOAT_CONST(90.0));
+ self->pulse_dest = self->pulse_centre + (int16_t)((mp_float_t)self->pulse_angle_90 * mp_obj_get_float(args[1]) / MICROPY_FLOAT_CONST(90.0));
#else
self->pulse_dest = self->pulse_centre + self->pulse_angle_90 * mp_obj_get_int(args[1]) / 90;
#endif
@@ -308,7 +308,7 @@ STATIC mp_obj_t pyb_servo_speed(size_t n_args, const mp_obj_t *args) {
return mp_obj_new_int((self->pulse_cur - self->pulse_centre) * 100 / self->pulse_speed_100);
} else {
#if MICROPY_PY_BUILTINS_FLOAT
- self->pulse_dest = self->pulse_centre + (uint16_t)((mp_float_t)self->pulse_speed_100 * mp_obj_get_float(args[1]) / MICROPY_FLOAT_CONST(100.0));
+ self->pulse_dest = self->pulse_centre + (int16_t)((mp_float_t)self->pulse_speed_100 * mp_obj_get_float(args[1]) / MICROPY_FLOAT_CONST(100.0));
#else
self->pulse_dest = self->pulse_centre + self->pulse_speed_100 * mp_obj_get_int(args[1]) / 100;
#endif
