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Implement alarm-module for RP2350 (follow-up for #9965) #10023

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Implement alarm-module for RP2350 (follow-up for #9965) #10023

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aa3662d
implement module alarm for RP2350
bablokb Jan 15, 2025
c0726ce
align with main-branch
bablokb Jan 16, 2025
ba66d2b
RP2350: always wake from dormant for AON-alarm
bablokb Jan 24, 2025
af68bbd
bugfix: iobank0_hw->intr has six elements for RP2350
bablokb Jan 25, 2025
acf827a
shutdown cyw43 during sleep; various bug-fixes and simplifications
bablokb Feb 1, 2025
f12e5e9
(hopefully) fix markup
bablokb Feb 2, 2025
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1 change: 1 addition & 0 deletions ports/raspberrypi/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -530,6 +530,7 @@ SRC_C += \
bindings/rp2pio/__init__.c \
common-hal/rp2pio/StateMachine.c \
common-hal/rp2pio/__init__.c \
common-hal/alarm/rosc.c \
audio_dma.c \
background.c \
peripherals/pins.c \
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19 changes: 15 additions & 4 deletions ports/raspberrypi/bindings/cyw43/__init__.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,24 @@
#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"

#include "lib/cyw43-driver/src/cyw43.h"
#include "pico/cyw43_arch.h"

static int power_management_value = PM_DISABLED;

void cyw43_enter_deep_sleep(void) {
#define WL_REG_ON 23
gpio_set_dir(WL_REG_ON, GPIO_OUT);
gpio_put(WL_REG_ON, false);
// called from common-hal/alarm/__init__.c
void bindings_cyw43_power_down(void) {
cyw43_arch_deinit();
gpio_set_dir(CYW43_DEFAULT_PIN_WL_REG_ON, GPIO_OUT);
gpio_put(CYW43_DEFAULT_PIN_WL_REG_ON, false);
}

// called from supervisor/port.c and common-hal/alarm/__init__.c
bool bindings_cyw43_power_up(void) {
gpio_set_dir(CYW43_DEFAULT_PIN_WL_REG_ON, GPIO_OUT);
gpio_put(CYW43_DEFAULT_PIN_WL_REG_ON, true);
// Change this as a placeholder as to how to init with country code.
// Default country code is CYW43_COUNTRY_WORLDWIDE)
return cyw43_arch_init_with_country(PICO_CYW43_ARCH_DEFAULT_COUNTRY_CODE);
}

void bindings_cyw43_wifi_enforce_pm(void) {
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3 changes: 2 additions & 1 deletion ports/raspberrypi/bindings/cyw43/__init__.h
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Expand Up @@ -33,4 +33,5 @@ const mcu_pin_obj_t *validate_obj_is_pin_including_cyw43(mp_obj_t obj, qstr arg_
#define PM_DISABLED CONSTANT_CYW43_PM_VALUE(CYW43_NO_POWERSAVE_MODE, 200, 1, 1, 10)

extern void bindings_cyw43_wifi_enforce_pm(void);
void cyw43_enter_deep_sleep(void);
extern void bindings_cyw43_power_down(void);
extern bool bindings_cyw43_power_up(void);
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