41 lines
963 B
C++
41 lines
963 B
C++
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#include "hardware/gpio.h"
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#ifndef WAKEUP_PIN_MASK
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#define WAKEUP_PIN_MASK ((0b1 << 2) | (0b1 << 6))
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#endif
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#ifndef WAKEUP_PIN_DIR
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#define WAKEUP_PIN_DIR ((0b1 << 2) | (0b1 << 6))
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#endif
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#ifndef WAKEUP_PIN_VALUE
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#define WAKEUP_PIN_VALUE ((0b1 << 2) | (0b1 << 6))
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#endif
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namespace {
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struct Wakeup {
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public:
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uint32_t wakeup_gpio_state;
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Wakeup() {
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// Assert wakeup pins (indicator LEDs, VSYS hold etc)
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gpio_init_mask(WAKEUP_PIN_MASK);
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gpio_set_dir_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_DIR);
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gpio_put_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_VALUE);
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// Latch GPIO state into variable
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Wakeup::wakeup_gpio_state = gpio_get_all();
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}
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};
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Wakeup wakeup __attribute__ ((init_priority (101)));
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};
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extern "C" {
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#include "wakeup.h"
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mp_obj_t Wakeup_get_gpio_state() {
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return mp_obj_new_int(wakeup.wakeup_gpio_state);
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}
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}
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