51 lines
1.1 KiB
Bash
51 lines
1.1 KiB
Bash
#!/bin/sh
|
|
|
|
# Current modem routing
|
|
#
|
|
# 1 - Digital PCM
|
|
# 0 - I2S master
|
|
# 0 - Primary mode (short sync)
|
|
# 2 - 512kHz clock (512kHz / 16bit = 32k samples/s)
|
|
# 0 - 16bit linear format
|
|
# 1 - 16k sample/s
|
|
# 1 - 1 slot
|
|
# 1 - map to first slot (the only slot)
|
|
#
|
|
QDAI_CONFIG="1,0,0,2,0,1,1,1"
|
|
|
|
DEV=/dev/EG25.AT
|
|
|
|
# Read current config
|
|
RET=$(echo "AT+QDAI?" | atinout - $DEV -)
|
|
|
|
if echo $RET | grep -q $QDAI_CONFIG
|
|
then
|
|
echo "Modem audio already configured"
|
|
exit 0
|
|
fi
|
|
|
|
|
|
# Modem not configured, we need to send it the digital interface configuration,
|
|
# then reboot it
|
|
RET=$(echo "AT+QDAI=$QDAI_CONFIG" | atinout - $DEV -)
|
|
|
|
if echo $RET | grep -q OK
|
|
then
|
|
echo "Successfully configured modem audio"
|
|
else
|
|
echo "Failed to set modem audio up: $RET"
|
|
exit 1
|
|
fi
|
|
|
|
# Reset module
|
|
# 1 Set the mode to full functionality (vs 4: no RF, and 1: min functionality)
|
|
# 1 Reset the modem before changing mode (only available with 1 above)
|
|
#
|
|
RET=$(echo "AT+CFUN=1,1" | atinout - $DEV -)
|
|
|
|
if echo $RET | grep -q OK
|
|
then
|
|
echo "Successfully reset the modem to apply audio configuration"
|
|
else
|
|
echo "Failed to reset the modem to apply audio configuration: $RET"
|
|
fi
|