[问答]

ESP32C3 I2S Slave模式读取数据错误是什么原因造成的？

73 ESP32-C3 I2S

问答对人有帮助，内容完整，我也想知道答案0 i2s配置成slave ，tx/rx双工,具体参数如下，接收到的数据有错误。 I (43837) U_I2S: mode: 14 I (43837) U_I2S: sample_rate: 16000 I (43837) U_I2S: bits_per_sample: 16 I (43847) U_I2S: channel_format: 2 I (43847) U_I2S: communica tion_format: 1 I (43857) U_I2S: dma_buf_count: 4 I (43857) U_I2S: dma_buf_len: 1024 I (43857) U_I2S: use_apll: 1 I (43867) U_I2S: bck_io 6 I (43867) U_I2S: ws_io_num 5 I (43877) U_I2S: data_out_num 1 I (43877) U_I2S: data_in_num 0 I (43877) I2S: DMA Malloc info, datalen=blocksize=4092, dma_buf_count=4 I (43887) I2S: DMA Malloc info, datalen=blocksize=4092, dma_buf_count=4 I (43897) U_I2S: i2s_driver_install ret: 0 I (43897) I2S: set ws/bck io rx I (43907) U_I2S: i2s_set_pin ret: 0 I (43907) U_I2S: i2s_set_sample_rates ret: 0 I (43907) U_I2S: u_i2s_init return 0 Codec 在左右channel上报固定数据 0x11,0x22, 0x33,0x44 和 0xaa 0xbb 0xcc 0xdd。app调用i2s_read读取数据，但是只有部分数据是正确的，绝大多少都是错误数据。 err = i2s_read(CONFIG_I2S_PORT, pbuf, in_len, &out_len, portMAX_DELAY); 测试了几种参数，无论是读取32/320/640字节，都是同样情况，只有头部部分数据正确。log如下读取32字节 I (46547) AUDIO_RECORDER: 32: 1 80 22 11 bb aa dd cc I (46547) AUDIO_RECORDER: 32: fc 7 c4 2 7 0 0 0 I (46557) AUDIO_RECORDER: 32: 0 0 0 0 0 0 0 0 I (46557) AUDIO_RECORDER: 32: 39 1 8 82 84 8b 96 24 I (46567) AUDIO_RECORDER: 64: 2 2 11 44 33 bb aa dd cc I (46567) AUDIO_RECORDER: 64: fc 7 c4 2 7 0 0 0 I (46577) AUDIO_RECORDER: 64: 0 0 0 0 0 0 0 0 I (46577) AUDIO_RECORDER: 64: 39 1 8 82 84 8b 96 24 I (46587) AUDIO_RECORDER: 96: 22 11 44 33 bb aa dd cc I (46587) AUDIO_RECORDER: 96: fc 7 c4 2 7 0 0 0 I (46597) AUDIO_RECORDER: 96: 0 0 0 0 0 0 0 0 I (46607) AUDIO_RECORDER: 96: 39 1 8 82 84 8b 96 24 I (46607) AUDIO_RECORDER: 128: 22 11 44 33 bb aa dd cc I (46617) AUDIO_RECORDER: 128: fc 7 c4 2 7 0 0 0 I (46617) AUDIO_RECORDER: 128: 0 0 0 0 0 0 0 0 I (46627) AUDIO_RECORDER: 128: 39 1 8 82 84 8b 96 24 I (46627) AUDIO_RECORDER: 160: 22 11 44 33 bb aa dd cc I (46637) AUDIO_RECORDER: 160: fc 7 c4 2 7 0 0 0 I (46637) AUDIO_RECORDER: 160: 0 0 0 0 0 0 0 0 I (46647) AUDIO_RECORDER: 160: 39 1 8 82 84 8b 96 24 I (46647) AUDIO_RECORDER: 192: 22 11 44 33 bb aa dd cc I (46657) AUDIO_RECORDER: 192: fc 7 c4 2 7 0 0 0 I (46667) AUDIO_RECORDER: 192: 0 0 0 0 0 0 0 0 I (46667) AUDIO_RECORDER: 192: 39 1 8 82 84 8b 96 24 I (46677) AUDIO_RECORDER: 224: 22 11 44 33 bb aa dd cc I (46677) AUDIO_RECORDER: 224: fc 7 c4 2 7 0 0 0 I (46687) AUDIO_RECORDER: 224: 0 0 0 0 0 0 0 0 I (46687) AUDIO_RECORDER: 224: 39 1 8 82 84 8b 96 24 I (46697) AUDIO_RECORDER: 256: 22 11 44 33 bb aa dd cc I (46697) AUDIO_RECORDER: 256: fc 7 c4 2 7 0 0 0 I (46707) AUDIO_RECORDER: 256: 0 0 0 0 0 0 0 0 读取640字节 I (44027) AUDIO_RECORDER: 640: 1 70 22 11 bb aa dd cc I (44027) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44037) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44047) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44047) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44057) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44057) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44067) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44067) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44077) AUDIO_RECORDER: 640: 22 11 44 33 bb aa dd cc I (44087) AUDIO_RECORDER: 640: e9 1c 1 0 14 0 cc 3f I (44087) AUDIO_RECORDER: 640: 0 1 0 0 71 76 a0 2 I (44097) AUDIO_RECORDER: 640: 0 0 0 76 0 0 0 0 I (44097) AUDIO_RECORDER: 640: 61 72 32 2d e8 ae bf e5 I (44107) AUDIO_RECORDER: 640: 18 0 3d 16 b 7 4 0 I (44107) AUDIO_RECORDER: 640: 0 0 c0 5 0 0 0 c0 I (44117) AUDIO_RECORDER: 640: 0 0 0 0 0 dd 6 0 I (44117) AUDIO_RECORDER: 640: 3 a4 0 0 27 a4 0 0 I (44127) AUDIO_RECORDER: 640: 0 dd 9 0 3 7f 1 1 I (44127) AUDIO_RECORDER: 640: a0 f3 3b 98 c9 67 16 5 I (44137) AUDIO_RECORDER: 640: e2 c 1b a4 3c 94 9b 5d I (44147) AUDIO_RECORDER: 640: e3 ff dd c af e2 4 7a I (44147) AUDIO_RECORDER: 640: 84 7e 50 c6 fb e9 23 a1 I (44157) AUDIO_RECORDER: 640: 84 6a 5f c9 a1 52 20 8 I (44157) AUDIO_RECORDER: 640: ce 7d d4 84 bd 7b e2 bf I (44167) AUDIO_RECORDER: 640: 1e 2f 0 61 17 fe 5e 23 I (44167) AUDIO_RECORDER: 640: f7 82 86 26 e2 6c 38 17 I (44177) AUDIO_RECORDER: 640: d2 4e 38 fb a7 89 53 d8 I (44187) AUDIO_RECORDER: 640: 1e 50 ca 0 14 65 88 7d I (44187) AUDIO_RECORDER: 640: c7 19 b0 bf 45 e4 3 7c I (44197) AUDIO_RECORDER: 640: 7e 24 9a 85 19 9f 68 91 I (44197) AUDIO_RECORDER: 640: d1 20 2b dc 25 7c 7e e I (44207) AUDIO_RECORDER: 640: a5 e 66 3c e5 80 d 64 I (44207) AUDIO_RECORDER: 640: f 3b e0 97 67 40 9d 5d I (44217) AUDIO_RECORDER: 640: 5 93 69 0 8e 50 b3 9e I (44227) AUDIO_RECORDER: 640: d aa a0 df 95 a8 31 4c I (44227) AUDIO_RECORDER: 640: 44 78 9 b6 c2 e8 c1 aa I (44237) AUDIO_RECORDER: 640: ed c9 61 59 c0 de 80 6f I (44237) AUDIO_RECORDER: 640: b 8d bd 2d e4 a9 8a d0 I (44247) AUDIO_RECORDER: 640: 17 e1 14 14 13 2a 2d df I (44257) AUDIO_RECORDER: 640: 1e 2a 4b be 98 d7 9c 7d I (44257) AUDIO_RECORDER: 640: e5 6c 8 b6 6e 5d 25 2d I (44267) AUDIO_RECORDER: 640: 9d 5d 11 ea 28 de 93 15 I (44267) AUDIO_RECORDER: 640: af 4 e0 69 bf c9 43 8e I (44277) AUDIO_RECORDER: 640: bd c5 ff cc f4 a7 15 5b I (44277) AUDIO_RECORDER: 640: a3 15 64 72 7b eb 7a b5 I (44287) AUDIO_RECORDER: 640: 34 56 ac df e8 5d 4c 5e I (44297) AUDIO_RECORDER: 640: e6 d4 b3 4 3c 5b ab 75 I (44297) AUDIO_RECORDER: 640: d0 61 ee b9 79 4 de 34 I (44307) AUDIO_RECORDER: 640: b9 7f 44 f3 b5 49 49 c I (44307) AUDIO_RECORDER: 640: 6c c2 a 38 b8 fc 9b 2e I (44317) AUDIO_RECORDER: 640: 7e dd c3 86 71 89 e1 3e I (44317) AUDIO_RECORDER: 640: 3c d1 90 f0 62 6 fe 53 I (44327) AUDIO_RECORDER: 640: e0 5 1f d1 2a 7 2f 2b I (44337) AUDIO_RECORDER: 640: 3b 88 69 96 f4 a3 6a dc I (44337) AUDIO_RECORDER: 640: 26 fd 52 29 a0 2b a9 e0 I (44347) AUDIO_RECORDER: 640: d 6 cd d6 65 4a f4 2e I (44347) AUDIO_RECORDER: 640: 51 14 92 5b df 81 1c 20 I (44357) AUDIO_RECORDER: 640: 1c 33 c2 c6 2d f7 c5 a4 I (44357) AUDIO_RECORDER: 640: 15 f6 7b e0 2f bb 1b e6 I (44367) AUDIO_RECORDER: 640: 5d ae 76 7f c9 d6 c9 6 I (44377) AUDIO_RECORDER: 640: 97 20 c3 ff e7 80 40 32 I (44377) AUDIO_RECORDER: 640: 1 45 29 20 b2 45 8 8 I (44387) AUDIO_RECORDER: 640: b1 47 1 47 8d 46 5 46 I (44387) AUDIO_RECORDER: 640: e7 a 3 a7 c7 a b7 6 I (44397) AUDIO_RECORDER: 640: 2d 2a 31 26 21 26 e1 22 I (44397) AUDIO_RECORDER: 640: 89 e 97 20 c3 ff e7 80 I (44407) AUDIO_RECORDER: 640: 8 41 13 7 0 10 85 66 I (44417) AUDIO_RECORDER: 640: 85 c3 ef 20 20 21 37 76 I (44417) AUDIO_RECORDER: 640: f2 40 62 44 26 85 42 49 I (44427) AUDIO_RECORDER: 640: 97 20 c3 ff e7 80 40 e1 I (44427) AUDIO_RECORDER: 640: 37 7 e8 ff 7d 17 79 8d I (44437) AUDIO_RECORDER: 640: e7 80 c0 d2 b1 47 e3 19 I (44437) AUDIO_RECORDER: 640: 5 0 17 23 c3 ff 67 0 I (44447) AUDIO_RECORDER: 640: 7d 55 b2 40 41 1 82 80 I (44457) AUDIO_RECORDER: 640: ef 30 70 3a 81 45 a 85 I (44457) AUDIO_RECORDER: 640: c3 ff e7 80 e0 4b 2a 86 I (44467) AUDIO_RECORDER: 640: f2 40 62 44 5 61 82 80 I (44467) AUDIO_RECORDER: 640: 1 46 81 45 13 5 f0 9 I (44477) AUDIO_RECORDER: 640: 6 3a b7 7 0 a 73 90 I (44477) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44487) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44497) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44497) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44507) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44507) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44517) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44527) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44527) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44537) AUDIO_RECORDER: 1280: 22 11 44 33 bb aa dd cc I (44537) AUDIO_RECORDER: 1280: e9 1c 1 0 14 0 cc 3f I (44547) AUDIO_RECORDER: 1280: 0 1 0 0 e8 ae a6 2 I (44547) AUDIO_RECORDER: 1280: 0 0 10 7f 0 0 0 0 I (44557) AUDIO_RECORDER: 1280: 61 72 32 2d e8 ae bf e5 I (44567) AUDIO_RECORDER: 1280: 18 0 3d 16 b 7 4 0 I (44567) AUDIO_RECORDER: 1280: 0 0 c0 5 0 0 0 c0 I (44577) AUDIO_RECORDER: 1280: 0 0 0 0 0 dd 6 0 I (44577) AUDIO_RECORDER: 1280: 0 0 27 a4 0 0 42 43 I (44587) AUDIO_RECORDER: 1280: 0 dd 9 0 3 7f 1 1 I (44587) AUDIO_RECORDER: 1280: a0 f3 3b 98 c9 67 16 5 I (44597) AUDIO_RECORDER: 1280: e2 c 1b a4 3c 94 9b 5d I (44597) AUDIO_RECORDER: 1280: e3 ff dd c af e2 4 7a I (44607) AUDIO_RECORDER: 1280: 84 7e 50 c6 fb e9 23 a1 I (44617) AUDIO_RECORDER: 1280: 84 6a 5f c9 a1 52 20 8 I (44617) AUDIO_RECORDER: 1280: ce 7d d4 84 bd 7b e2 bf I (44627) AUDIO_RECORDER: 1280: 1e 2f 0 61 17 fe 5e 23 I (44627) AUDIO_RECORDER: 1280: f7 82 86 26 e2 6c 38 17 I (44637) AUDIO_RECORDER: 1280: d2 4e 38 fb a7 89 53 d8 I (44647) AUDIO_RECORDER: 1280: 1e 50 ca 0 14 65 88 7d I (44647) AUDIO_RECORDER: 1280: c7 19 b0 bf 45 e4 3 7c I (44657) AUDIO_RECORDER: 1280: 7e 24 9a 85 19 9f 68 91 I (44657) AUDIO_RECORDER: 1280: d1 20 2b dc 25 7c 7e e I (44667) AUDIO_RECORDER: 1280: a5 e 66 3c e5 80 d 64 I (44667) AUDIO_RECORDER: 1280: f 3b e0 97 67 40 9d 5d I (44677) AUDIO_RECORDER: 1280: 5 93 69 0 8e 50 b3 9e I (44687) AUDIO_RECORDER: 1280: d aa a0 df 95 a8 31 4c I (44687) AUDIO_RECORDER: 1280: 44 78 9 b6 c2 e8 c1 aa I (44697) AUDIO_RECORDER: 1280: ed c9 61 59 c0 de 80 6f I (44697) AUDIO_RECORDER: 1280: b 8d bd 2d e4 a9 8a d0 I (44707) AUDIO_RECORDER: 1280: 17 e1 14 14 13 2a 2d df I (44717) AUDIO_RECORDER: 1280: 1e 2a 4b be 98 d7 9c 7d 0 本主题由 Harmony技术专家于 2024-6-19 09:32 审核通过
2024-6-19 08:21:15　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × hgimtk 该类别下有 38 个回答。邀请回答 wang21cj 该类别下有 38 个回答。邀请回答新星之火12138 该类别下有 32 个回答。邀请回答 chm5 该类别下有 32 个回答。邀请回答 zyh34997 该类别下有 32 个回答。邀请回答就好国dd 该类别下有 32 个回答。邀请回答 heks 该类别下有 31 个回答。邀请回答 zaichenxi 该类别下有 31 个回答。邀请回答 muwersddg 该类别下有 29 个回答。邀请回答四川赵赵该类别下有 29 个回答。邀请回答 flowerddd 该类别下有 29 个回答。邀请回答 caosurround 该类别下有 28 个回答。邀请回答星星公交站该类别下有 28 个回答。邀请回答 vinww特烦恼该类别下有 28 个回答。邀请回答 lkjflksjfsa 该类别下有 27 个回答。邀请回答 xwgc888 该类别下有 27 个回答。邀请回答 overheat 该类别下有 27 个回答。邀请回答 h1654155143.8331 该类别下有 27 个回答。邀请回答 gvjhvbc 该类别下有 27 个回答。邀请回答 723662364d 该类别下有 27 个回答。邀请回答举报成尔秩相关推荐 •ESP32C3的I2S_CLK是指什么信号？75 •ESP32C3的I2S如何设置多路并行的信号输出？186 • 请问esp32c3一直重启是什么原因造成的？如何查找原因？257 •esp32c3项目采用wss_server例程，把wifi断开的话esp32c3会重启，为什么？84 • 如何通过外部输入时钟I2S_MCLK_IN作为I2S的时钟源并分频得到I2S_MCLK_OUT？281 •ESP32C3ESPIDF4.4.5 provisioner无法对该device进行组网是什么原因造成的？63 •ESP32C3eclipse调试报错是什么原因？160 • 通过外部输入时钟I2S_MCLK_IN作为I2S的时钟源并分频得到I2S_MCLK_OUT应该怎么做？203 •ESP32输出的I2S数据移位问题求解404 •ESP32输出的I2S数据移位问题如何解决？224 1个回答

答案对人有帮助，有参考价值0 在ESP32C3中，I2S Slave模式读取数据错误可能是由多种原因造成的。以下是一些建议和可能的原因： 1. 时钟设置问题：确保I2S时钟设置正确。使用APLL时，需要确保APLL的频率和分频设置正确。你已经设置了`use_apll: 1`，但需要确保APLL的配置是正确的。 2. 数据对齐：检查`bits_per_sample`和`channel_format`是否与发送端匹配。你已经设置了`bits_per_sample: 16`和`channel_format: 2`，这意味着每个样本是16位，有两个通道。确保发送端也使用相同的设置。 3. 通信格式：`communication_format: 1`表示I2S标准模式，确保发送端也使用相同的通信格式。 4. DMA缓冲区设置：你设置了`dma_buf_count: 4`和`dma_buf_len: 1024`，这意味着有4个DMA缓冲区，每个缓冲区长度为1024字节。确保这些设置适合你的应用需求，并且没有超出ESP32C3的内存限制。 5. GPIO引脚配置：检查BCK、WS和数据引脚（BCK_IO、WS_IO_NUM、DATA_OUT_NUM、DATA_IN_NUM）是否正确连接到发送端，并且引脚配置正确。 6. 中断处理：确保I2S中断处理函数正确实现，并且能够正确处理接收到的数据。 7. 数据同步问题：在某些情况下，数据同步问题可能导致接收到的数据错误。检查I2S时钟和数据是否与发送端同步。 8. 硬件问题：如果以上设置都正确，可能存在硬件问题，如连接不良、引脚损坏等。检查硬件连接和组件。 9. 固件/软件问题：确保你使用的ESP-IDF版本与ESP32C3兼容，并且没有已知的I2S相关问题。

2024-6-19 16:52:51 评论举报江根磊