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AD、wifi和lab

时间:10-02 整理:3721RD 点击:


今天又看了看wifi相关的一些资料乱人眼啊
决定给前段时间的结果上添加的东东
正好手上有个NTC的模块,使使AD吧
顺道爬墙出去找了一些labview的控件

关于AD的使用,MXCHIP使用的STM32库似乎比较旧
这里使用ADC1的通道1,对应GPIO_PA1

  1. void ADC1_CH1_DMA_Config(void)
  2. {
  3. ADC_InitTypeDef ADC_InitStructure;
  4. ADC_CommonInitTypeDef ADC_CommonInitStructure;
  5. DMA_InitTypeDef DMA_InitStructure;
  6. GPIO_InitTypeDef GPIO_InitStructure;

  7. RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA, ENABLE);
  8. RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);

  9. // DMA_DeInit(DMA2_Stream0);
  10. /* DMA2 Stream0 channe0 configuration **************************************/
  11. DMA_InitStructure.DMA_Channel = DMA_Channel_0;
  12. DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
  13. DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC_ConvertedValue;
  14. DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  15. DMA_InitStructure.DMA_BufferSize = 2;
  16. DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  17. DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
  18. DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
  19. DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  20. DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  21. DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  22. DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
  23. DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
  24. DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  25. DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
  26. DMA_Init(DMA2_Stream0, &DMA_InitStructure);
  27. DMA_Cmd(DMA2_Stream0, ENABLE);

  28. /* Configure ADC1 Channe6 pin as analog input ******************************/
  29. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
  30. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
  31. GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  32. GPIO_Init(GPIOA, &GPIO_InitStructure);

  33. /* ADC Common Init **********************************************************/
  34. ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
  35. ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
  36. ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
  37. ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
  38. ADC_CommonInit(&ADC_CommonInitStructure);

  39. /* ADC1 Init ****************************************************************/
  40. ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
  41. ADC_InitStructure.ADC_ScanConvMode = ENABLE;
  42. ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  43. ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
  44. ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  45. ADC_InitStructure.ADC_NbrOfConversion = 2;
  46. ADC_Init(ADC1, &ADC_InitStructure);

  47. /* ADC1 regular channe6 configuration *************************************/
  48. ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_3Cycles);
  49. // ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 2, ADC_SampleTime_3Cycles);
  50. /* Enable DMA request after last transfer (Single-ADC mode) */
  51. ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);

  52. /* Enable ADC1 DMA */
  53. ADC_DMACmd(ADC1, ENABLE);

  54. /* Enable ADC1 */
  55. ADC_Cmd(ADC1, ENABLE);

  56. }

复制代码

还好一切正常
配置过程和STM32一样,不啰嗦了
结果就出来这个视频了


庆科的WIFI,架构还不是特别明晰
指导文档中只有UDP的代码运行流程,能补充一下TCP/IP的么

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