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Nikon IR support for time lapse photos (#16539)

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This commit is contained in:
gjdodd
2020-01-15 23:59:41 +00:00
committed by Scott Lahteine
parent bd550bb45a
commit 7481563bd9
2 changed files with 53 additions and 6 deletions
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43
Marlin/src/gcode/feature/camera/M240.cpp
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@ -62,11 +62,44 @@
#endif
#if PIN_EXISTS(PHOTOGRAPH)
constexpr uint8_t NUM_PULSES = 16;
constexpr float PULSE_LENGTH = 0.01524;
inline void set_photo_pin(const uint8_t state) { WRITE(PHOTOGRAPH_PIN, state); _delay_ms(PULSE_LENGTH); }
inline void tweak_photo_pin() { set_photo_pin(HIGH); set_photo_pin(LOW); }
inline void spin_photo_pin() { for (uint8_t i = NUM_PULSES; i--;) tweak_photo_pin(); }
FORCE_INLINE void set_photo_pin(const uint8_t state) {
constexpr uint32_t pulse_length = (
#ifdef PHOTO_PULSES_US
PHOTO_PULSE_DELAY_US
#else
15 // 15.24 from _delay_ms(0.01524)
#endif
);
WRITE(PHOTOGRAPH_PIN, state);
delayMicroseconds(pulse_length);
}
FORCE_INLINE void tweak_photo_pin() { set_photo_pin(HIGH); set_photo_pin(LOW); }
#ifdef PHOTO_PULSES_US
inline void pulse_photo_pin(const uint32_t duration, const uint8_t state) {
if (state) {
for (const uint32_t stop = micros() + duration; micros() < stop;)
tweak_photo_pin();
}
else
delayMicroseconds(duration);
}
inline void spin_photo_pin() {
static constexpr uint32_t sequence[] = PHOTO_PULSES_US;
for (uint8_t i = 0; i < COUNT(sequence); i++)
pulse_photo_pin(sequence[i], !(i & 1));
}
#else
constexpr uint8_t NUM_PULSES = 16;
inline void spin_photo_pin() { for (uint8_t i = NUM_PULSES; i--;) tweak_photo_pin(); }
#endif
#endif
/**