diff options
Diffstat (limited to 'stm/usrsw.c')
-rw-r--r-- | stm/usrsw.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/stm/usrsw.c b/stm/usrsw.c deleted file mode 100644 index a00ca90d28..0000000000 --- a/stm/usrsw.c +++ /dev/null @@ -1,68 +0,0 @@ -#include <stdio.h> -#include <stm32f4xx.h> - -#include "misc.h" -#include "mpconfig.h" -#include "qstr.h" -#include "obj.h" -#include "runtime.h" -#include "usrsw.h" - -#include "exti.h" -#include "gpio.h" -#include "pin.h" -#include "build/pins.h" - -// Usage Model: -// -// pyb.switch() returns True if the user switch is pressed, False otherwise. -// -// pyb.switch(callback) will register a callback to be called when the user -// switch is pressed. -// -// pyb.switch(None) will remove the callback. -// -// Example: -// -// def switch_pressed(): -// print("User Switch pressed") -// -// pyb.switch(switch_pressed) - -static mp_obj_t switch_user_callback_obj; - -static mp_obj_t switch_callback(mp_obj_t line) { - if (switch_user_callback_obj != mp_const_none) { - mp_call_function_0(switch_user_callback_obj); - } - return mp_const_none; -} -static MP_DEFINE_CONST_FUN_OBJ_1(switch_callback_obj, switch_callback); - -void switch_init(void) { - switch_user_callback_obj = mp_const_none; - exti_register((mp_obj_t)&USRSW_PIN, - MP_OBJ_NEW_SMALL_INT(EXTI_Mode_Interrupt), - MP_OBJ_NEW_SMALL_INT(USRSW_EXTI_EDGE), - (mp_obj_t)&switch_callback_obj, - NULL); - pyb_gpio_input((mp_obj_t)&USRSW_PIN, MP_OBJ_NEW_SMALL_INT(USRSW_PUPD)); -} - -int switch_get(void) { - int val = ((USRSW_PIN.gpio->IDR & USRSW_PIN.pin_mask) != 0); - return val == USRSW_PRESSED; -} - -/******************************************************************************/ -/* Micro Python bindings */ - -static mp_obj_t pyb_switch(uint n_args, mp_obj_t *args) { - if (n_args == 0) { - return switch_get() ? mp_const_true : mp_const_false; - } - switch_user_callback_obj = args[0]; - return mp_const_none; -} - -MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_switch_obj, 0, 1, pyb_switch); |