问答

iic中断接收例程中，这个操作是干什么用的 观察寄存器实际还在使能状态，这个个代码看起来没有任何作用，但是不加还不行，为什么 [img]data:image/png;base64,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[/img]

[align=left][color=#1F497D][font=DengXian]目前在研究一些[/font][/color][color=#1F497D]GD32F303CBT6U[/color][color=#1F497D][font=DengXian]的产品内容，有一些疑问请帮忙解答下。[/font][/color][/align][align=left][color=#1f497d]OSCIN[/color][color=rgb(31, 73, 125)][font=DengXian]和[/font][/color][color=#1f497d]OSCOUT[/color][color=rgb(31, 73, 125)][font=DengXian]引脚可以重映射为[/font][/color][color=#1f497d]PD0[/color][color=rgb(31, 73, 125)][font=DengXian]和[/font][/color][color=#1f497d]PD1[/color][color=rgb(31, 73, 125)][font=DengXian]，进而我会理解为：重映射后的[/font][/color][color=#1f497d]PD0[/color][color=rgb(31, 73, 125)][font=DengXian]和[/font][/color][color=#1f497d]PD1[/color][color=rgb(31, 73, 125)][font=DengXian]可根据需要设置为输入或者输出的功能。[/font][/color][/align][align=left][color=#1F497D][font=DengXian]但这两个的引脚类型却是只有[/font][/color][color=#1F497D]I[/color][color=#1F497D][font=DengXian]（输入）和[/font][/color][color=#1F497D]O[/color][color=#1F497D][font=DengXian]（输出）。[/font][/color][/align][align=left][color=#1F497D][font=DengXian]请帮确认下是哪种情况？[/font][/color] [/align]

在原有产品基础上想要做一个声音采集，调解，滤波，降噪，增益一体的高质量麦克风请教一下大家，在N32G452CCL7上有没有可用的PDM2PCM包？？？

请问中颖SH86313-64脚的PDF资料有吗？

PD1重映射GPIO 设置上拉输入，默认是低电平void app_gpio_init(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD , ENABLE); //使能GPIOA,GPIOB,GPIOC,GPIOD外设时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); //GPIOA引脚设置推挽输出 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_11; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); //GPIOB引脚设置推挽输出 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_12|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); //GPIOC引脚设置推挽输出 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); //GPIOD引脚设置推挽输出 GPIO_PinRemapConfig(GPIO_Remap_PD01,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); //GPIOB引脚设置上拉输入 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_3|GPIO_Pin_8; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(GPIOB, &GPIO_InitStructure); //GPIOC引脚设置上拉输入 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_7|GPIO_Pin_12; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(GPIOC, &GPIO_InitStructure); //GPIOD引脚设置上拉输入 GPIO_PinRemapConfig(GPIO_Remap_PD01,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(GPIOD, &GPIO_InitStructure); }

[p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]GD32F407ZGT6的OTP区，写入之后，提示写成功了，memory对话框里也对，重启后读出来也对，但是设备不能断电，断电后再读出来就不正常了，有这种情况吗[/font][/backcolor][/color][/p][p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]那位有这个芯片的板子，帮忙测试下是否有这个问题。[/font][/backcolor][/color][/p] [p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]注意：一定要把板子断电一下，然后再进去看下写入的数据是否变化了。[/font][/backcolor][/color][/p] [p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]代码如下：[/font][/backcolor][/color][/p] [p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]#define FLASH_OTP_BASE 0x1FFF7800U[/font][/backcolor][/color][/p][p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]uint8_t tempDat = 0; uint8_t McuFlashRead(uint32_t addr) { return *(__IO uint8_t*)addr; }[/font][/backcolor][/color][/p] [p=28, null, left][color=rgb(51, 51, 51)][backcolor=rgb(255, 255, 255)][font="]tempDat = McuFlashRead(FLASH_OTP_BASE); if(tempDat == 0xFF) { HAL_FLASH_Unlock(); HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE,FLASH_OTP_BASE,'D'); HAL_FLASH_Lock(); }[/font][/backcolor][/color][/p]

求GD32F403的硬件开发指南PDF

HK32F32MF4P6的8脚在芯片手册上是VCAP空脚，在开发板的原理图上是PD7.

AT32 如何读取 pdm 数字麦克风 ，i2s 和DMA 如何配置，是否可以给出一个历程

Microchip dsPIC33FJ系列都不能用MCC生成底层代码吗？我这要配置dsPIC33FJ32MC204，发现不能使用MCC。同时试了下dsPIC33FJ的其他型号，也是不行。

SDK版本是simplelink_cc13x2_26x2_sdk_4_30_00_54。在例程simle_peripheral上进行的修改. 通过GATT_Notification函数操作特征值4.通过sysconfig把 MAX_PDU_SIZE 修改为255.在周期性任务中调用了一次HCI_LE_SetDataLenCmd(connList[0].connHandle,251,2120)。但是还是不能一次性传输超过20个字节。请问该怎么做才能实现超过20个字节的发送呢？谢谢。

我欲学习使用KF8A 那里可以下载 它的PDF文档 以及可以买到开发工具 芯片？

各位大神， 请问怎么在广播里面广播出mac地址？ 我自己的想法是，先获取到mac地址，再把mac地址添加到scanRspData[]中？ 但是我在使用GAPRole_GetParameter的时候，在蓝牙状态改变的回调函数中可以正常使用，在其他地方就不行。 请问还有什么方法可以获取吗？

CMT2300A RF收发模块有没有大佬用过？CMOSTEK RFPDK V1.46需要怎么配置？ 下载视频

赛普拉斯的LQFN24，怎么就烧不进去。求烧录的引脚图