Add configuration `CONFIG_BT_HFP_HF_HF_INDICATORS` to enable feature HF Indicators. Add configuration `CONFIG_BT_HFP_HF_HF_INDICATOR_ENH_SAFETY` to support HF indicator `Enhanced Safety`. Add configuration `CONFIG_BT_HFP_HF_HF_INDICATOR_BATTERY` to support HF indicator `Remaining level of Battery`. Add function `bt_hfp_hf_enhanced_safety` to transfer enhanced safety status. Add function `bt_hfp_hf_battery` to transfer Remaining level of Battery. Send AT command to notify AG the supported HF indicators of HF in SLC initialization sequence. Send AT command to get the supported HF indicators of AG in SLC initialization sequence. Send AT command to get the enabled/disabled state of generic status indicators from AG in SLC initialization sequence. Handle unsolicited result code `+BIND`. Signed-off-by: Lyle Zhu <lyle.zhu@nxp.com> |
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