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feat(uac_host): Add global suspend/resume #211

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feat(uac_host): Add global suspend/resume #211

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947a07a
feat(uac_host): Add global suspend/resume
peter-marcisovsky Jul 17, 2025
1c8eb77
feat(uac_host): Add suspend/resume tests
peter-marcisovsky Aug 6, 2025
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4 changes: 4 additions & 0 deletions host/class/uac/usb_host_uac/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
# Changelog for USB Host UAC

## [unreleased]

1. Added global suspend/resume support

## 1.3.0

1. Added Linux target build for the UAC component, host tests (https://github.com/espressif/esp-usb/issues/143)
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10 changes: 10 additions & 0 deletions host/class/uac/usb_host_uac/include/usb/uac_host.h
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Expand Up @@ -10,6 +10,7 @@
#include <stdint.h>
#include "freertos/FreeRTOS.h"
#include "esp_err.h"
#include "usb/usb_host.h"
#include "uac.h"

#ifdef __cplusplus
Expand All @@ -36,6 +37,11 @@ extern "C" {
*/
#define FLAG_STREAM_SUSPEND_AFTER_START (1 << 0)

// For backward compatibility with older idf versions without suspend/resume API
#ifdef USB_HOST_LIB_EVENT_FLAGS_AUTO_SUSPEND
#define UAC_HOST_SUSPEND_RESUME_API_SUPPORTED
#endif

typedef struct uac_interface *uac_host_device_handle_t; /*!< Logic Device Handle. Handle to a particular UAC interface */

// ------------------------ USB UAC Host events --------------------------------
Expand All @@ -55,6 +61,10 @@ typedef enum {
UAC_HOST_DEVICE_EVENT_TX_DONE, /*!< TX Done: the transmit buffer data size falls below the threshold */
UAC_HOST_DEVICE_EVENT_TRANSFER_ERROR, /*!< UAC Device transfer error */
UAC_HOST_DRIVER_EVENT_DISCONNECTED, /*!< UAC Device has been disconnected */
#ifdef UAC_HOST_SUSPEND_RESUME_API_SUPPORTED
UAC_HOST_DEVICE_EVENT_SUSPENDED, /*!< UAC Device has been suspended */
UAC_HOST_DEVICE_EVENT_RESUMED, /*!< UAC Device has been resumed */
#endif // UAC_HOST_SUSPEND_RESUME_API_SUPPORTED
} uac_host_device_event_t;

// ------------------------ USB UAC Host events callbacks -----------------------------
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