目前官方提供的roc-rk3308b-cc-plus dts 只有amic,没有dmic,需要如何修改dts才能支持pdm 麦克风阵列
ROC-RK3308B-CC-PLUS如何修改DTS以支持PDM呢
你好,我使用改后的dts,内核可以正常起来,但是使用arecord录音时,好像时钟有点问题
# arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: rockchiprk3308v [rockchip,rk3308-vad], device 0: dailink-multicodecs multicodec-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: UAC1Gadget [UAC1_Gadget], device 0: UAC1_PCM [UAC1_PCM]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 7: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 7: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM]
Subdevices: 7/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
#
录音
# arecord -f dat -t wav -r 48000 -c 8 -D hw:0,0 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Channels 8
[ 142.674604] clk_pdm_frac parent_rate(589823999) is low than rate(61440000)*20, fractional div is not allowed
[ 142.676548] dma-pl330 ff2d0000.dma-controller: pl330_submit_req:1680 Try increasing mcbufsz (372/256)
[ 142.676603] dma-pl330 ff2d0000.dma-controller: fill_queue:2211 Bad Desc(3)
[ 142.676627] dma-pl330 ff2d0000.dma-controller: pl330_submit_req:1680 Try increasing mcbufsz (372/256)
[ 142.676642] dma-pl330 ff2d0000.dma-controller: fill_queue:2211 Bad Desc(3)
回复
我要赚赏金打赏帖 |
|
|---|---|
| 28BYJ-48机械臂实现人脸跟随被打赏¥24元 | |
| 基于RK3506B的片温识读功能的实现被打赏¥25元 | |
| 【瑞萨RA8D1测评】基于FreeRTOS的lvgl移植教程被打赏¥29元 | |
| 电子价签墨水屏开发被打赏¥35元 | |
| 【Ozone】RTT 打印终端使用被打赏¥29元 | |
| BMS保护板绝缘检测功能-不平衡电桥技术绝缘电阻检测设计与实现被打赏¥34元 | |
| 给28BYJ-48三自由度机械臂加一个网页控制台被打赏¥32元 | |
| 用28BYJ-48电机从零搭一台三自由度机械臂被打赏¥33元 | |
| 【英飞凌开发经验】ModusToolbox配置EdgeTalk外设被打赏¥27元 | |
| 基于BQ76952PFBR的BMS保护板热插拔损坏的原因和处理措施被打赏¥32元 | |
我要赚赏金
