@zznzzn 您好，可以屏蔽/etc/init.d/rcS脚本中对应代码

rect 的size 需要比dst_image 的小。你有没高反啊？

@lynnl4 1920 1088

你这是用dbi协议来驱动了，去这个位置hal/source/spilcd/lcd/lcd什么什么feature把dbi那个define注释掉，像下面这样应该就可以了

微信图片_20231017100043.png

@awwwwa 感谢大佬😊 👏 🌂

@yxfzz 在 Waiting for root device /dev/mmcblk0p0 后面就不动了 中说：

[ 1.384320] mmc0: Unknown controller version (5). You may experience problems.

换张卡试一试

出现重复定义，请问是不是同时勾选了 lv_examples 和 lv_g2d_test 分区表配置的空间过小，FAQ有解决方法：https://r128.docs.aw-ol.com/others/faq/

arm和riscv需要分别进行编译

@ddrddr 跟踪学习一下

（全开源）D1s排针版本资料汇总
https://bbs.aw-ol.com/topic/3792

@awwwwa 找到问题了，核心电压原本是0.9v给到0.95就正常了

@whycanservice2 大佬我最近打完板子了，焊接完成后可以识别到usb了，我想玩这个的d1s 能给个学习路线吗，现在没头绪

1fdc4b7964de85efe2153e2fedf1713.png

发现OpenWRT已经内置了Orange Pi PC 支持了。

大佬牛，跟着复现一下。然后去交作业。

@bigfly 那个是电感，这个开发板没有板载麦克风

CONFIG_BT_SMP 配置问题，下面内容保存为smp_null.c 放到

./src/ble/host/smp_null.c /** * @file smp_null.c * Security Manager Protocol stub */ /* * Copyright (c) 2015-2016 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr.h> #include <errno.h> #include <ble/sys/atomic.h> #include <ble/sys/util.h> #include <bluetooth/bluetooth.h> #include <bluetooth/conn.h> #include <bluetooth/buf.h> #define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_CORE) #define LOG_MODULE_NAME bt_smp #include "common/log.h" #include "hci_core.h" #include "conn_internal.h" #include "l2cap_internal.h" #include "smp.h" static struct bt_l2cap_le_chan bt_smp_pool[CONFIG_BT_MAX_CONN]; int bt_smp_sign_verify(struct bt_conn *conn, struct net_buf *buf) { return -ENOTSUP; } int bt_smp_sign(struct bt_conn *conn, struct net_buf *buf) { return -ENOTSUP; } static int bt_smp_recv(struct bt_l2cap_chan *chan, struct net_buf *req_buf) { struct bt_conn *conn = chan->conn; struct bt_smp_pairing_fail *rsp; struct bt_smp_hdr *hdr; struct net_buf *buf; ARG_UNUSED(req_buf); /* If a device does not support pairing then it shall respond with * a Pairing Failed command with the reason set to "Pairing Not * Supported" when any command is received. * Core Specification Vol. 3, Part H, 3.3 */ buf = bt_l2cap_create_pdu(NULL, 0); /* NULL is not a possible return due to K_FOREVER */ hdr = net_buf_add(buf, sizeof(*hdr)); hdr->code = BT_SMP_CMD_PAIRING_FAIL; rsp = net_buf_add(buf, sizeof(*rsp)); rsp->reason = BT_SMP_ERR_PAIRING_NOTSUPP; if (bt_l2cap_send_cb(conn, BT_L2CAP_CID_SMP, buf, NULL, NULL)) { net_buf_unref(buf); } return 0; } static int bt_smp_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan) { int i; static const struct bt_l2cap_chan_ops ops = { .recv = bt_smp_recv, }; BT_DBG("conn %p handle %u", conn, conn->handle); for (i = 0; i < ARRAY_SIZE(bt_smp_pool); i++) { struct bt_l2cap_le_chan *smp = &bt_smp_pool[i]; if (smp->chan.conn) { continue; } smp->chan.ops = &ops; *chan = &smp->chan; return 0; } BT_ERR("No available SMP context for conn %p", conn); return -ENOMEM; } BT_L2CAP_CHANNEL_DEFINE(smp_fixed_chan, BT_L2CAP_CID_SMP, bt_smp_accept, NULL); int bt_smp_init(void) { return 0; } #if defined(CONFIG_BT_DEINIT) int bt_smp_deinit(void) { return 0; } void bt_smp_mem_deinit(void) { return; } void bt_keys_mem_deinit(void) { return; } #endif #if defined(CONFIG_BT_VAR_MEM_DYNC_ALLOC) void keys_dynamic_mem_alloc(void) { } void keys_dynamic_mem_free(void) { } #endif

这个可以哦，学习了

@dust
https://bbs.aw-ol.com/topic/3951/新-sdk-平台下载-xr806-sdk/23
参考这个

@livpo 直接上电DC/DC 1.2V， LDO不关，
有Gate，关双buf，起飞了

微信图片_20231012100310.jpg

@awwwwa 我这试了四张卡，只有这张可以：

a0ae52e9-c170-494a-aec0-71f44dc96498-image.png

输出log：

c906> c906>card_detect insert sdmmc_test->card_id=0 card id is 0 SD:mmc_card_create card:00000000084601D0 id:0 card debug mask 3c SDC:Not implement __mci_restore_io,838 HAL_GetHFClock,53 Warning Use fix value 24000000 HAL_GetHFClock,53 Warning Use fix value 24000000 HAL_GetHFClock,53 Warning Use fix value 24000000 SDC:SDC clock=416666 kHz,src:0, n:2, m:11 HAL_GetHFClock,53 Warning Use fix value 24000000 HAL_GetHFClock,53 Warning Use fix value 24000000 HAL_GetHFClock,53 Warning Use fix value 24000000 SDC:SDC clock=416666 kHz,src:0, n:2, m:11 [ERR] SDC:__mci_irq_handler,924 raw_int:100 err! [ERR] SDC:SDC err, cmd 52, RTO [ERR] SDC:sdc 701 abnormal status: RespErr [ERR] SDC:__mci_irq_handler,924 raw_int:100 err! [ERR] SDC:SDC err, cmd 52, RTO [ERR] SDC:sdc 701 abnormal status: RespErr SD:***** Try sdio ***** [ERR] SDC:__mci_irq_handler,924 raw_int:100 err! [ERR] SDC:SDC err, cmd 5, RTO [ERR] SDC:sdc 701 abnormal status: RespErr SD:***** Try sd ***** mmc_send_app_op_cond,89 SD:card ocr: c0ff8000 SD:Card CID number:27504853 SD:card raw cid: SD:card raw csd: m:59159, e:2, dtr:25000000, cl:1461, len:9, cap:60579840 str:1 SD:card raw scr: SD:card raw SD status: HAL_GetHFClock,53 Warning Use fix value 24000000 HAL_GetDevClock,90 Warning Use fix value 192000000 HAL_GetDevClock,90 Warning Use fix value 192000000 SDC:SDC clock=48000000 kHz,src:1, n:0, m:1 SD:card is switched to high speed mode, clk:50000 KHz SD:Set bus width type: 2 SD: ============= card information ============== SD:Card Type : SDHC SD:Card Spec Ver : 5.0 SD:Card RCA : 0x5048 SD:Card OCR : 0x40ff8000 SD: vol_window : 0x00ff8000 SD: to_1v8_acpt : 0 SD: high_capac : 0 SD:Card CSD : SD: speed : 50000 KHz SD: cmd class : 0x5b5 SD: capacity : 29580MB SD:Card CUR_STA : SD: speed_mode : HS: 50 MHz SD: bus_width : 2 SD: speed_class : 10 SD:============================================= SD:***** sd init ok ***** Initial card success mount successully

你要注意一下，这儿的 spi 速度值并不是可以随便设置的！ 因為 cpu 除频后会配不上！ 会跳到默认的 10Mhz 的速度。

建议你可以在 .... spi 中，加打印，看看你那值是否可以通过！

/driver/spi/spi-sunxi.c 中

/* set spi clock */ static void spi_set_clk(u32 spi_clk, u32 ahb_clk, struct sunxi_spi *sspi) { u32 spi_test = 100000000; u32 get_spi; dprintk(DEBUG_INFO, "set spi clock %d, mclk %d\n", spi_clk, ahb_clk); for(spi_test = 50000000; spi_test >= 20000000; spi_test -= 1000000) { clk_set_rate(sspi->mclk, spi_test); get_spi = clk_get_rate(sspi->mclk); printk("spi_test %d == get %d \n", spi_test, get_spi); }

像我以 100Mhz 到 80Mhz ， 每 1Mhz 做变化！

[ 1.079831] spi_test 100000000 == get 100000000 ␍␊ [ 1.093426] spi_test 99000000 == get 96000000 ␍␊ [ 1.098527] spi_test 98000000 == get 96000000 ␍␊ [ 1.103587] spi_test 97000000 == get 96000000 ␍␊ [ 1.108714] spi_test 96000000 == get 96000000 ␍␊ [ 1.113807] spi_test 95000000 == get 92307692 ␍␊ [ 1.118905] spi_test 94000000 == get 92307692 ␍␊ [ 1.123996] spi_test 93000000 == get 92307692 ␍␊ [ 1.129127] spi_test 92000000 == get 87771428 ␍␊ [ 1.134193] spi_test 91000000 == get 87771428 ␍␊ [ 1.139293] spi_test 90000000 == get 87771428 ␍␊ [ 1.144406] spi_test 89000000 == get 87771428 ␍␊ [ 1.149506] spi_test 88000000 == get 87771428 ␍␊ [ 1.154601] spi_test 87000000 == get 85714285 ␍␊ [ 1.159739] spi_test 86000000 == get 85714285 ␍␊ [ 1.164835] spi_test 85000000 == get 80000000 ␍␊ [ 1.169939] spi_test 84000000 == get 80000000 ␍␊ [ 1.175074] spi_test 83000000 == get 80000000 ␍␊ [ 1.180142] spi_test 82000000 == get 80000000 ␍␊ [ 1.185243] spi_test 81000000 == get 80000000 ␍␊ [ 1.190346] spi_test 80000000 == get 80000000 ␍␊

就可以知道，有一些值设置是不行的！ 要特定值才行！

一、修改频率方法

首先通过cboot0命令，跳转到boot0的代码中，路径为：
${root_dir}/lichee/brandy-2.0/spl/

找到lspsram的代码，路径为：
${root_dir}/lichee/brandy-2.0/spl/drivers/psram

修改头文件，将200M的宏打开，修改如下：

vi hal_psramctrl.h diff --git a/drivers/psram/hal_psramctrl.h b/drivers/psram/hal_psramctrl.h index a552a0e..114e330 100644 --- a/drivers/psram/hal_psramctrl.h +++ b/drivers/psram/hal_psramctrl.h @@ -39,7 +39,7 @@ * definition CONFIG_PSRAM_200M. */ -// #define CONFIG_PSRAM_200M +#define CONFIG_PSRAM_200M /* CLK CTRL MODULE */ #define BUS_CLK_GATING_CTRL0 0x4003c004

然后重新编译boot0，就可以让lspsram初始化为200M了。

mboot0 && pack

##二、根据log查看频率

根据boot0的系统log，可以查看到当前lspsram加载的频率，如下图所示：

downloadFileByUrl (2).png

psram chip APS64 init ok!, freq 192000000

证明当前加载的是lspsram型号为APS64，频率为192MHz。若将频率切换成200MHz，此处的打印就会改成"freq 200000000"。

@sunxi
下面网址有详细说明。
https://v853.docs.aw-ol.com/study/study_2ubuntu/

@lvjun0728 你好，你在t113上使用的ncm方式的操作方法能分享一下吗

@haaland DWT组件全称是Data Watchpoint and Trace，M33处理器中有硬件支持，开发者可以使用它提供的watchpoint比较器以及周期计数器进行代码调试、性能分析等工作。

可以借助DWT的计数器获取处理器的时间信息，计数器的精度是（1 / cpu频率）：
（1）使能DWT模块并清0计数器；
（2）使能计数器；
（3）读取计数器值。

统计短代码块耗时示例：

#define DWT_CR *(volatile uint32_t *)0xE0001000 #define DWT_CYCCNT *(volatile uint32_t *)0xE0001004 #define DEM_CR *(volatile uint32_t *)0xE000EDFC #define DEM_CR_TRCENA (1 << 24) #define DWT_CR_CYCCNTENA (1 << 0) int dwt_init(void) { DEM_CR |= (uint32_t)DEM_CR_TRCENA; # 使能DWT追踪 DWT_CYCCNT = (uint32_t)0u; # 计数器清0 DWT_CR |= (uint32_t)DWT_CR_CYCCNTENA; # 使能计数器 return 0; } void main(void) { uint32_t ticks; uint32_t told,tnow; uint32_t cpu_freq = get_cpu_freq(); float time_ms; dwt_init(); tcnt = 0; told = (uint32_t)DWT_CYCCNT; 代码块 tnow = (uint32_t)DWT_CYCCNT; /* 计算间隔 */ if(tnow > told) tcnt += tnow - told; else tcnt += UINT32_MAX - told + tnow; time_ms = (float)(tcnt) / (cpufreq / 1000) # 假设经过的时间以ms为单位 }

实现延迟：
根据计算时间的公式，也可以根据期望时间换算出所需要的tcnt计数值，在while中循环读取计数器值直至其增加的计数值达到tcnt，以实现延迟。

理清了点头绪但又没完全有，现在发现是这个if不满足，一直都没有读取文件，是venc没准备好吗，还得研究一段时间。

if (!list_empty(&pVencPara->mInBuf_Q.mIdleList)) { I0101 06:57:02.989159 1255 sample_venc.c:1145] <readInFrameThread> idle list empty!! I0101 06:57:02.989212 1255 sample_venc.c:1063] <readInFrameThread> ready list empty I0101 06:57:02.989262 1255 sample_venc.c:1145] <readInFrameThread> idle list empty!! I0101 06:57:02.989313 1255 sample_venc.c:1063] <readInFrameThread> ready list empty I0101 06:57:02.989448 1255 sample_venc.c:1145] <readInFrameThread> idle list empty!!

jlt35031c是比较少见的小端屏，但是大部分的SPI屏都是大端屏，所以用jlt35031c时，需要修改sys_config.fex里面的配置项lcd_rgb_order为9.

unsigned char color[4] = {0xff,0x0,0xff,0x0};

这个数组决定颜色，颜色顺序是R（红） G（绿） B（蓝） A（亮度）。

所以红色 + 蓝色，应该是紫色

但是这里由于使用的是SPI接口驱动这个屏幕，并不支持lcd_rgb_order的参数配置。所以在屏幕初始化的时候通过写寄存器配置为对应的接口以支持LVGL的正确显示输出。但是测试命令可能会出现反色的情况。

自己编译出来的烧录之后启动是这样，用开发手册上现成编译好的镜像烧录可以正常使用，手册上面编译出来烧录运行的截图也是和这个一样，论坛也说v853是默认开启的wifi选项的，还需要额外镜像哪些内核配置和openwrt配置吗

@newcastle 这个是音频那边的问题，可以把audiosystem关闭下先调试屏

R128支持nor-flash，代码可以放在xip运行，保存在xip的方法可以看到对应工程下的xip.lds.S。

或者可以将dsp占用的8Mhpsram转移部分给C906使用，在dsp代码量不大的情况下，例如把dsp的内存裁剪到4M后，参照以下步骤把4M hpsram分给C906

打开C906的menuconfig
1）使能CONFIG_HEAP_MULTIPLE宏，令C906可以同时使用多个内存堆；
2）使能CONFIG_DEFAULT_LPSRAM_HEAP，CONFIG_LPSRAM_HEAP 宏，配置默认内存堆为lpsram；
3）使能CONFIG_LPSRAM_HEAP_DYNAMIC_ADDR宏，意思是lpsram的内存是动态分布的；
4）配置CONFIG_LPSRAM_HEAP_SIZE的大小是0x600000，因为前面2M给M33使用，所以剩下6M；
5）使能CONFIG_HPSRAM_HEAP宏，使能HPSRAM
6）配置CONFIG_HPSRAM_HEAP_START_ADDR为0xc400000，0xc000000是Hpsram的开始地址，前面4M已经分配给dsp使用；
7）配置CONFIG_HPSRAM_HEAP_SIZE为0x400000，意思是可以用的hpsram大小是4M。

其中LPSRAM和HPSRAM的配置也可以考虑互换。

去m33核打开，参考这里https://r128.docs.aw-ol.com/r128/rtos_manual/#_5

@xjy_5 妈耶，原来是少了一句配置，现在搞定了

elif [ $1 == "hid" ]; then [ -d /sys/kernel/config/usb_gadget/g1/functions/hid.usb0 ] || { mkdir /sys/kernel/config/usb_gadget/g1/functions/hid.usb0 } echo "Tina Keyboard" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product echo 1 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/subclass echo 1 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/protocol echo 8 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/report_length echo -ne \\05\\x01\\x09\\x06\\xa1\\x01\\x05\\x07\\x19\\xe0\\x29\\xe7\\x15\\x00\\x25\\x01\\x75\\x01\\x95\\x08\\x81\\x02\\x95\\x01\\x75\\x08\\x81\\x03\\x95\\x05\\x75\\x01\\x05\\x08\\x19\\x01\\x29\\x05\\x91\\x02\\x95\\x01\\x75\\x03\\x91\\x03\\x95\\x06\\x75\\x08\\x15\\x00\\x25\\x65\\x05\\x07\\x19\\x00\\x29\\x65\\x81\\x00\\xc0 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/report_desc ln -s /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/ /sys/kernel/config/usb_gadget/g1/configs/c.1/hid.usb0

@sofia 你看电路图呗，100ask上是把usbhub和otg接口用一个开关芯片一起接到typec，又用两个电阻把otg接口接到typec，我用的时候老是不稳定，现在把usbhub摘掉了，稳多了。

@edisondeng 没有测试过TVD1，测试过TVD0,
可以自己阅读下源码和dts的配置关系，改一下看是否能用。

修复好之后的显示效果，一切正常了

azcjbjq.jpg

@leefei https://github.com/bigtreetech/CB1-Kernel/blob/kernel-5.16/kernel/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi

@haaland 不可以，twi是开漏输出内部上拉拉不动的。
硬件spi发送初始化会出现超频问题，st7701s的spi通讯速率200K，硬件spi整个1M上去他就不认了

挖一个古早期的修改UART帖😊
D1s分别在Tina Linx, Melis修改调试串口实录
https://bbs.aw-ol.com/topic/3194/share/1

你好，问题解决了吗？

请问，这个问题解决了吗？
有大神解决了该问题吗？

尝试将android工具getevent移植到linux中，可以成功查看电阻屏的反馈速度。
参考了 https://www.cnblogs.com/liangliangge/p/12921889.html 中的办法
工具的源码路径为：android/system/core/toolbox/getevent.c
其中源码中getevent.c文件中内容有修改
由于头文件input.h-labels.h生成过程中涉及权限问题，直接新建了input.h-labels.h文件并复制黏贴了参考链接中的内容
Makefile文件参考了 lichee/buildroot-201611/target/user_rootfs_apps/cmd/subs 下的工程里的Makefile

用getevent -lrt命令输出时间戳、上报速率等，要计算事件之间的时间间隔，我们可以取两个连续事件的时间戳（括号内的数值）并计算它们之间的差值。这个时间戳的单位不太清楚。

@zznzzn 这个是由于编译过程需要从github下载东西，但您的网络有问题，所以编译失败，可以更换源试试。

@newcastle 可以尝试关闭在线模式

15da8a41fab2b1a172a43069889d55e994285632.png

总算是搞定usb 做gadget老是不稳定的问题了，把usb hub芯片拆下来就行了，看电路它可能和usb otg引脚互相干扰，没想到是直接原因啊

@masterlu 增加swap分区后编译通过了
24c63d97-f92c-44ed-9942-dc3c56afd7aa-image.png

使用fel，下面的代码可以调通dram:

sunxi-fel writel 0x1C2015C 0x0 sunxi-fel writel 0x1C200FC 0x0 sunxi-fel writel 0x1C20060 0x1000000 sunxi-fel writel 0x1C202C0 0x1000000 sunxi-fel writel 0x1C20020 0x1000 10 sunxi-fel writel 0x1C20100 0x0 1000 sunxi-fel writel 0x1C20020 0x80101D00 5500 sunxi-fel writel 0x1C200F4 0x10000 sunxi-fel writel 0x1C202C0 0x1004000 sunxi-fel writel 0x1C20060 0x1004000 sunxi-fel writel 0x1C2015C 0x80000000 sunxi-fel writel 0x1C200FC 0x80000000 sunxi-fel writel 0x1C200F4 0x80000000 10 sunxi-fel writel 0x1C6300C 0xC00E 500 sunxi-fel writel 0x1C62000 0x4219E4 sunxi-fel writel 0x1C63030 0x263 sunxi-fel writel 0x1C63034 0x4 sunxi-fel writel 0x1C63038 0 sunxi-fel writel 0x1C6303C 0 sunxi-fel writel 0x1C63058 0x8091B09 sunxi-fel writel 0x1C6305C 0x2020C sunxi-fel writel 0x1C63060 0x3030307 sunxi-fel writel 0x1C63064 0x200C sunxi-fel writel 0x1C63068 0x4010203 sunxi-fel writel 0x1C6306C 0x5050403 sunxi-fel writel 0x1C63078 0x90006610 sunxi-fel writel 0x1C63080 0x2010101 sunxi-fel writel 0x1C63050 0xB523281 sunxi-fel writel 0x1C63054 0x16911941 sunxi-fel writel 0x1C63090 0x2B003C sunxi-fel writel 0x1C62090 0x10190 sunxi-fel writel 0x1C62098 0x1 sunxi-fel writel 0x1C62010 0x200000D sunxi-fel writel 0x1C62014 0x800100 sunxi-fel writel 0x1C62018 0x6000009 sunxi-fel writel 0x1C6201C 0x1000400 sunxi-fel writel 0x1C62020 0x200000D sunxi-fel writel 0x1C62024 0x600100 sunxi-fel writel 0x1C62028 0x100000D sunxi-fel writel 0x1C6202C 0x200080 sunxi-fel writel 0x1C62030 0x7000009 sunxi-fel writel 0x1C62034 0x1000640 sunxi-fel writel 0x1C62038 0x100000D sunxi-fel writel 0x1C6203C 0x200080 sunxi-fel writel 0x1C62040 0x1000009 sunxi-fel writel 0x1C62044 0x400080 sunxi-fel writel 0x1C62048 0x100000D sunxi-fel writel 0x1C6204C 0x400080 sunxi-fel writel 0x1C62050 0x100000D sunxi-fel writel 0x1C62054 0x400080 sunxi-fel writel 0x1C62058 0x4000009 sunxi-fel writel 0x1C6205C 0x400100 sunxi-fel writel 0x1C62060 0x2000030D sunxi-fel writel 0x1C62064 0x4001800 sunxi-fel writel 0x1C62068 0x4000009 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你好，请问问题解决了吗，我这也遇到类似的问题