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Merge pull request #2365 from dhalbert/cpb-power-switch 

Add POWER_SWITCH pin to CPB
This commit is contained in:
Scott Shawcroft 2019-12-10 10:53:45 -08:00 committed by GitHub
parent 19ac8aea8c 60f399395a
commit 8497ea8aab
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 2 deletions
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14
ports/nrf/boards/circuitplayground_bluefruit/board.c
View File

@ -25,6 +25,11 @@
*/
#include "boards/board.h"
#include "mpconfigboard.h"
#include "py/obj.h"
#include "peripherals/nrf/pins.h"
#include "nrf_gpio.h"
void board_init(void) {
}
@ -34,5 +39,12 @@ bool board_requests_safe_mode(void) {
}
void reset_board(void) {
// Turn off board.POWER_SWITCH (power-saving switch) on each soft reload, to prevent confusion.
nrf_gpio_cfg(POWER_SWITCH_PIN->number,
NRF_GPIO_PIN_DIR_OUTPUT,
NRF_GPIO_PIN_INPUT_DISCONNECT,
NRF_GPIO_PIN_NOPULL,
NRF_GPIO_PIN_S0S1,
NRF_GPIO_PIN_NOSENSE);
nrf_gpio_pin_write(POWER_SWITCH_PIN->number, false);
}

3
ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h
View File

@ -54,6 +54,9 @@
#define SPI_FLASH_CS_PIN &pin_P0_15
#endif
// Disables onboard peripherals and neopixels to save power.
#define POWER_SWITCH_PIN (&pin_P0_06)
#define CIRCUITPY_AUTORELOAD_DELAY_MS 500
#define CIRCUITPY_INTERNAL_NVM_SIZE (4096)

6
ports/nrf/boards/circuitplayground_bluefruit/pins.c
View File

@ -48,8 +48,12 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_SLIDE_SWITCH), MP_ROM_PTR(&pin_P1_06) },
{ MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_P1_06) },
{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_P1_14) },
// If high, turns off NeoPixels, LIS3DH, sound sensor, light sensor, temp sensor.
{ MP_ROM_QSTR(MP_QSTR_POWER_SWITCH), MP_ROM_PTR(&pin_P0_06) },
{ MP_ROM_QSTR(MP_QSTR_D35), MP_ROM_PTR(&pin_P0_06) },
{ MP_ROM_QSTR(MP_QSTR_L), MP_ROM_PTR(&pin_P1_14) },
{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_P1_14) },
{ MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_P0_13) },
{ MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_P0_13) },