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This commit is contained in:
Dan Halbert 2018-08-21 20:28:58 -04:00
parent 9b98ad7794
commit 0e8d146184
2 changed files with 75 additions and 6 deletions
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69
ports/nrf/common-hal/microcontroller/Pin.c
View File

@ -28,12 +28,69 @@
#include "nrf_gpio.h"
#include "py/mphal.h"
void reset_all_pins(void) {
for (uint32_t pin = 0; pin < NUMBER_OF_PINS; ++pin) {
nrf_gpio_cfg_default(pin);
}
#ifdef MICROPY_HW_NEOPIXEL
neopixel_in_use = false;
#endif
#ifdef MICROPY_HW_APA102_MOSI
apa102_sck_in_use = false;
apa102_mosi_in_use = false;
#endif
// After configuring SWD because it may be shared.
#ifdef SPEAKER_ENABLE_PIN
speaker_enable_in_use = false;
// TODO set pin to out and turn off.
#endif
}
void claim_pin(const mcu_pin_obj_t* pin) {
#ifdef MICROPY_HW_NEOPIXEL
if (pin == MICROPY_HW_NEOPIXEL) {
neopixel_in_use = true;
}
#endif
#ifdef MICROPY_HW_APA102_MOSI
if (pin == MICROPY_HW_APA102_MOSI) {
apa102_mosi_in_use = true;
}
if (pin == MICROPY_HW_APA102_SCK) {
apa102_sck_in_use = true;
}
#endif
#ifdef SPEAKER_ENABLE_PIN
if (pin == SPEAKER_ENABLE_PIN) {
speaker_enable_in_use = true;
}
#endif
}
bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {
#ifdef MICROPY_HW_NEOPIXEL
if (pin == MICROPY_HW_NEOPIXEL) {
return !neopixel_in_use;
}
#endif
#ifdef MICROPY_HW_APA102_MOSI
if (pin == MICROPY_HW_APA102_MOSI) {
return !apa102_mosi_in_use;
}
if (pin == MICROPY_HW_APA102_SCK) {
return !apa102_sck_in_use;
}
#endif
#ifdef SPEAKER_ENABLE_PIN
if (pin == SPEAKER_ENABLE_PIN) {
return !speaker_enable_in_use;
}
#endif
// TODO check pin enable.
return true;
}
void reset_all_pins(void) {
for (uint32_t pin = 0; pin < NUMBER_OF_PINS; ++pin)
nrf_gpio_cfg_default(pin);
}

12
ports/nrf/common-hal/microcontroller/Pin.h
View File

@ -30,7 +30,19 @@
#include "nrf_pin.h"
#include "py/mphal.h"
#ifdef MICROPY_HW_NEOPIXEL
extern bool neopixel_in_use;
#endif
#ifdef MICROPY_HW_APA102_MOSI
extern bool apa102_sck_in_use;
extern bool apa102_mosi_in_use;
#endif
#define mcu_pin_obj_t pin_obj_t
void reset_all_pins(void);
// reset_pin takes the pin number instead of the pointer so that objects don't
// need to store a full pointer.
void reset_pin(uint8_t pin);
void claim_pin(const mcu_pin_obj_t* pin);
#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_MICROCONTROLLER_PIN_H