From 5a8f13d57ffb63efdfdaa01a578f46af63cc321e Mon Sep 17 00:00:00 2001
From: blakadder <blakadder@users.noreply.github.com>
Date: Wed, 7 Jun 2023 12:34:44 +0200
Subject: [PATCH] Pdm_mic (#18807)

* add I2S LSB flag

* add support for PDM microphones
---
 tasmota/tasmota_xdrv_driver/xdrv_42_1_i2s_mp3mic.ino | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_42_1_i2s_mp3mic.ino b/tasmota/tasmota_xdrv_driver/xdrv_42_1_i2s_mp3mic.ino
index 01a41f959..8aeb37339 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_42_1_i2s_mp3mic.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_42_1_i2s_mp3mic.ino
@@ -79,8 +79,12 @@ esp_err_t err = ESP_OK;
 
 #ifdef USE_I2S_MIC
   // mic select to GND
-  i2s_config.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_TX);
-  i2s_config.communication_format = I2S_COMM_FORMAT_STAND_I2S;
+    #ifdef MIC_PDM 
+    i2s_config.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_PDM);
+    #else
+    i2s_config.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_TX);
+    i2s_config.communication_format = I2S_COMM_FORMAT_STAND_I2S;
+    #endif
 #endif
 
 #ifdef ESP32S3_BOX