0a64c92a9c
Tweaked a couple of the USB files to compile if neither dev nor host was defined. Tested on netduiono plus 2 and stm32f4discovery boards
133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
#include <stdio.h>
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#include <stm32f4xx_hal.h>
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "led.h"
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#include "pin.h"
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#include "build/pins.h"
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static const pin_obj_t *gLed[] = {
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&PYB_LED1,
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#if defined(PYB_LED2)
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&PYB_LED2,
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#if defined(PYB_LED3)
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&PYB_LED3,
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#if defined(PYB_LED4)
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&PYB_LED4,
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#endif
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#endif
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#endif
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};
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#define NUM_LEDS (sizeof(gLed) / sizeof(gLed[0]))
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void led_init(void) {
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/* GPIO structure */
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GPIO_InitTypeDef GPIO_InitStructure;
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/* Configure I/O speed, mode, output type and pull */
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GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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GPIO_InitStructure.Mode = PYB_OTYPE;
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GPIO_InitStructure.Pull = GPIO_NOPULL;
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/* Turn off LEDs and initialize */
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for (int led = 0; led < NUM_LEDS; led++) {
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PYB_LED_OFF(gLed[led]);
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GPIO_InitStructure.Pin = gLed[led]->pin_mask;
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HAL_GPIO_Init(gLed[led]->gpio, &GPIO_InitStructure);
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}
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}
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void led_state(pyb_led_t led, int state) {
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if (led < 1 || led > NUM_LEDS) {
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return;
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}
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const pin_obj_t *led_pin = gLed[led - 1];
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//printf("led_state(%d,%d)\n", led, state);
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if (state == 0) {
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// turn LED off
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PYB_LED_OFF(led_pin);
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} else {
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// turn LED on
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PYB_LED_ON(led_pin);
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}
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}
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void led_toggle(pyb_led_t led) {
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if (led < 1 || led > NUM_LEDS) {
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return;
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}
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const pin_obj_t *led_pin = gLed[led - 1];
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GPIO_TypeDef *gpio = led_pin->gpio;
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// We don't know if we're turning the LED on or off, but we don't really
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// care. Just invert the state.
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if (gpio->ODR & led_pin->pin_mask) {
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// pin is high, make it low
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gpio->BSRRH = led_pin->pin_mask;
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} else {
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// pin is low, make it high
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gpio->BSRRL = led_pin->pin_mask;
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}
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}
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/******************************************************************************/
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/* Micro Python bindings */
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typedef struct _pyb_led_obj_t {
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mp_obj_base_t base;
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uint led_id;
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} pyb_led_obj_t;
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void led_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
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pyb_led_obj_t *self = self_in;
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print(env, "<LED %lu>", self->led_id);
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}
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mp_obj_t led_obj_on(mp_obj_t self_in) {
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pyb_led_obj_t *self = self_in;
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led_state(self->led_id, 1);
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return mp_const_none;
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}
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mp_obj_t led_obj_off(mp_obj_t self_in) {
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pyb_led_obj_t *self = self_in;
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led_state(self->led_id, 0);
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return mp_const_none;
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}
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mp_obj_t led_obj_toggle(mp_obj_t self_in) {
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pyb_led_obj_t *self = self_in;
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led_toggle(self->led_id);
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return mp_const_none;
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}
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static MP_DEFINE_CONST_FUN_OBJ_1(led_obj_on_obj, led_obj_on);
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static MP_DEFINE_CONST_FUN_OBJ_1(led_obj_off_obj, led_obj_off);
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static MP_DEFINE_CONST_FUN_OBJ_1(led_obj_toggle_obj, led_obj_toggle);
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static const mp_method_t led_methods[] = {
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{ "on", &led_obj_on_obj },
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{ "off", &led_obj_off_obj },
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{ "toggle", &led_obj_toggle_obj },
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{ NULL, NULL },
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};
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static const mp_obj_type_t led_obj_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Led,
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.print = led_obj_print,
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.methods = led_methods,
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};
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static mp_obj_t pyb_Led(mp_obj_t led_id) {
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pyb_led_obj_t *o = m_new_obj(pyb_led_obj_t);
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o->base.type = &led_obj_type;
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o->led_id = mp_obj_get_int(led_id);
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return o;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(pyb_Led_obj, pyb_Led);
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