r4/arduino-spybug
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component switch support to save power when waiting

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r4 2022-04-14 20:48:27 +02:00
parent c2f41e41c7
commit bfa80a629e
1 changed files with 15 additions and 0 deletions
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15
spybug/spybug.ino
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@ -40,6 +40,9 @@
//#define DEBUG_RECORDING
//#define SERIAL_OUTPUT
//#define PIN_COMPONENT_SWITCH 2 /* Use a digital signal to switch on/off the microphone and SD card for less power draw. */
//#define COMPONENT_SWITCH_ON HIGH
#define SAMPLE_MODE_U8
//#define SAMPLE_MODE_S16
@ -270,12 +273,24 @@ void setup() {
#ifdef SERIAL_OUTPUT
Serial.begin(9600); /* Set baud rate. */
setup_serial_in_out(); /* Add printf support. */
#endif
// Component Switch Setup
#ifdef PIN_COMPONENT_SWITCH
pinMode(PIN_COMPONENT_SWITCH, OUTPUT);
#endif
// Delay Triggering
#if defined(RECORDING_DELAY_IN_MINUTES) && RECORDING_DELAY_IN_MINUTES != 0
#ifdef PIN_COMPONENT_SWITCH
digitalWrite(PIN_COMPONENT_SWITCH, !COMPONENT_SWITCH_ON);
#endif
printf(F("Waiting %u minute%s before starting to record...\n"), RECORDING_DELAY_IN_MINUTES, RECORDING_DELAY_IN_MINUTES == 1 ? "" : "s");
Serial.flush();
low_power_sleep_minutes(RECORDING_DELAY_IN_MINUTES); /* Draws ~12.5mA instead of ~30mA when using delay(). */
#endif
// Activate Components
#ifdef PIN_COMPONENT_SWITCH
digitalWrite(PIN_COMPONENT_SWITCH, COMPONENT_SWITCH_ON);
delay(500); /* Wait for components to initialize. */
#endif
// Start Watchdog (wdt_enable() doesn't fully reset)
start_watchdog_with_full_reset();