clement
aa7ae277ed
- hook polarity active-HIGH + auto-resync (was LOW) - ring cadence FT 1.5s ON / 3.5s OFF - DTMF Goertzel decoder (dtmf.c/h) + rotary debounce - LISTEN half-duplex: capture → /v1/voice/reply → play - WAV playback buffered PSRAM + mono→stereo upmix - SPIFFS mount at boot for pre-loaded greetings - ES8388: DAC digital vol + mic PGA + GPIO INPUT_OUTPUT - turn_client multipart + 90s timeout + fixed routing - debug endpoints: vol/dacvol/offhook/getfile/hookmon
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#pragma once
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/*
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* phone.h — Off-hook GPIO monitor + ring control for PLIP (Phase D).
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*
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* On the ESP32-A1S dev kit: BOOT button (GPIO4 = KEY1) acts as the
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* off-hook stand-in (active LOW via INPUT_PULLUP, CONFIG_PLIP_HOOK_GPIO).
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* On the Si3210 PCB target: replace with the SLIC interrupt GPIO.
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*
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* Ring: drives audio_ring_start() / audio_stop().
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* Hook events: forwarded to hook_client_report().
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*/
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#include <stdbool.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Initialise the off-hook GPIO and start the monitoring task.
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* hook_client_init() and audio_init() must have been called first. */
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esp_err_t phone_init(void);
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/* Signal the phone to start ringing (called externally if needed). */
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void phone_ring_start(void);
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/* Stop ringing. */
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void phone_ring_stop(void);
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/* Returns true if the handset is currently off-hook (picked up).
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* Safe to call from any task; backed by a volatile flag updated in phone_task. */
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bool phone_is_offhook(void);
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/* Debug: force the hook state, overriding the physical contact until reboot.
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* off=true simulates pickup (→ DIALTONE), off=false simulates hangup (→ IDLE).
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* Lets the voice loop be validated independently of a flaky cradle contact. */
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void phone_force_offhook(bool off);
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#ifdef __cplusplus
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}
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#endif
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