From d3fa3cdf487be5929240bc23f9d109c5e3e947bc Mon Sep 17 00:00:00 2001
From: Mengsk <admin@hifiphile.com>
Date: Wed, 18 Oct 2023 17:05:35 +0200
Subject: [PATCH] Adjsut blackout time.
---
examples/device/audio_4_channel_mic/src/tusb_config.h | 4 ++--
src/class/audio/audio_device.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/examples/device/audio_4_channel_mic/src/tusb_config.h b/examples/device/audio_4_channel_mic/src/tusb_config.h
index f86b63528..cf44918e2 100644
--- a/examples/device/audio_4_channel_mic/src/tusb_config.h
+++ b/examples/device/audio_4_channel_mic/src/tusb_config.h
@@ -126,12 +126,12 @@ extern "C" {
#define CFG_TUD_AUDIO_ENABLE_TYPE_I_ENCODING 1
#define CFG_TUD_AUDIO_FUNC_1_CHANNEL_PER_FIFO_TX 2 // One I2S stream contains two channels, each stream is saved within one support FIFO - this value is currently fixed, the driver does not support a changing value
#define CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX / CFG_TUD_AUDIO_FUNC_1_CHANNEL_PER_FIFO_TX)
-#define CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ 4 * (CFG_TUD_AUDIO_EP_SZ_IN / CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO)
+#define CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ 4 * (CFG_TUD_AUDIO_EP_SZ_IN / CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO) // Minimum 4*EP size is needed for flow control
#else
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX CFG_TUD_AUDIO_EP_SZ_IN
-#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ 4 * CFG_TUD_AUDIO_EP_SZ_IN
+#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ 4 * CFG_TUD_AUDIO_EP_SZ_IN // Minimum 4*EP size is needed for flow control
#endif
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index 9712afde9..9af999992 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -2645,11 +2645,11 @@ static uint16_t audiod_tx_packet_size(const uint16_t* norminal_size, uint16_t da
packet_size = norminal_size[2];
if(norminal_size[0] == norminal_size[1])
{
- // nav = INT(nav) + 1
- ctrl_blackout = 2;
+ // nav > INT(nav), eg. 44.1k, 88.2k
+ ctrl_blackout = 0;
} else
{
- // nav = INT(nav)
+ // nav = INT(nav), eg. 48k, 96k
ctrl_blackout = 10;
}
} else