[问答]

为什么不能在STM32F373上有Multi模式？

127

问答对人有帮助，内容完整，我也想知道答案 0 你好！我想报告一个错误。我尝试了 SDADC，但发现了一个错误。此外，它应该代表“多模式”而不是“多模式”，并且 STM32CubeIDE 1.5.0（我正在使用）在 STM32CubeIDE 项目启动器中缺少校准选项。解决这个问题。在“SDADC_init()”函数中写入此代码 // Multi mode for SDADC1 and SDADC3 if (HAL_SDADC_InjectedMultiModeConfigChannel(&hsdadc1, SDADC_MULTIMODE_SDADC1_SDADC3) != HAL_OK) { Error_Handler(); } 例子： /** * @brief SDADC1 Initialization Function * @param None * @retval None / static void MX_SDADC1_Init(void) { / USER CODE BEGIN SDADC1_Init 0 / / USER CODE END SDADC1_Init 0 / SDADC_ConfParamTypeDef ConfParamStruct = {0}; / USER CODE BEGIN SDADC1_Init 1 / / USER CODE END SDADC1_Init 1 / /* Configure the SDADC low power mode, fast conversion mode, slow clock mode and SDADC1 reference voltage / hsdadc1.Instance = SDADC1; hsdadc1.Init.IdleLowPowerMode = SDADC_LOWPOWER_NONE; hsdadc1.Init.FastConversionMode = SDADC_FAST_CONV_DISABLE; hsdadc1.Init.SlowClockMode = SDADC_SLOW_CLOCK_DISABLE; hsdadc1.Init.ReferenceVoltage = SDADC_VREF_VDDA; hsdadc1.InjectedTrigger = SDADC_SOFTWARE_TRIGGER; if (HAL_SDADC_Init(&hsdadc1) != HAL_OK) { Error_Handler(); } /* Configure the Injected Mode / if (HAL_SDADC_SelectInjectedDelay(&hsdadc1, SDADC_INJECTED_DELAY) != HAL_OK) { Error_Handler(); } if (HAL_SDADC_SelectInjectedTrigger(&hsdadc1, SDADC_SOFTWARE_TRIGGER) != HAL_OK) { Error_Handler(); } if (HAL_SDADC_InjectedConfigChannel(&hsdadc1, SDADC_CHANNEL_4\|SDADC_CHANNEL_8 \|SDADC_CHANNEL_6, SDADC_CONTINUOUS_CONV_ON) != HAL_OK) { Error_Handler(); } /* Set parameters for SDADC configuration 0 Register / ConfParamStruct.InputMode = SDADC_INPUT_MODE_SE_ZERO_REFERENCE; ConfParamStruct.Gain = SDADC_GAIN_1; ConfParamStruct.CommonMode = SDADC_COMMON_MODE_VSSA; ConfParamStruct.Offset = 0; if (HAL_SDADC_PrepareChannelConfig(&hsdadc1, SDADC_CONF_INDEX_0, &ConfParamStruct) != HAL_OK) { Error_Handler(); } /* Set parameters for SDADC configuration 1 Register / ConfParamStruct.InputMode = SDADC_INPUT_MODE_DIFF; if (HAL_SDADC_PrepareChannelConfig(&hsdadc1, SDADC_CONF_INDEX_1, &ConfParamStruct) != HAL_OK) { Error_Handler(); } /* Configure the Injected Channel / if (HAL_SDADC_AssociateChannelConfig(&hsdadc1, SDADC_CHANNEL_4, SDADC_CONF_INDEX_0) != HAL_OK) { Error_Handler(); } /* Configure the Injected Channel / if (HAL_SDADC_AssociateChannelConfig(&hsdadc1, SDADC_CHANNEL_8, SDADC_CONF_INDEX_1) != HAL_OK) { Error_Handler(); } /* Configure the Injected Channel / if (HAL_SDADC_AssociateChannelConfig(&hsdadc1, SDADC_CHANNEL_6, SDADC_CONF_INDEX_1) != HAL_OK) { Error_Handler(); } / USER CODE BEGIN SDADC1_Init 2 / // Multi mode for SDADC1 and SDADC3 if (HAL_SDADC_InjectedMultiModeConfigChannel(&hsdadc1, SDADC_MULTIMODE_SDADC1_SDADC3) != HAL_OK) { Error_Handler(); } // Calibration if (HAL_SDADC_CalibrationStart(&hsdadc1, SDADC_CALIBRATION_SEQ_1) != HAL_OK) { Error_Handler(); } // Pool for the end of calibration if (HAL_SDADC_PollForCalibEvent(&hsdadc1, HAL_MAX_DELAY) != HAL_OK) { Error_Handler(); } // Start interrupt mode if (HAL_SDADC_InjectedStart_IT(&hsdadc1) != HAL_OK) { Error_Handler(); } / USER CODE END SDADC1_Init 2 / } 也用于为 SDADC（在本例中为 SDADC1 和 SDADC3）使用多个中断。请使用此代码作为 NVIC 中断的回调函数。这里我有 3 个来自 SDADC1 的输入和 2 个来自 SDADC3 的输入。 // When we got a measurement uint32_t CHANNEL = 4; uint16_t SD_ADC[6] = {0}; void HAL_SDADC_InjectedConvCpltCallback(SDADC_HandleTypeDef hsdadc){ // CHANNEL will be 4, 6, 8 but randomly // SD_ADC for SDADC1 = [SDADC1_IN4, 0, SDADC1_IN6, SDADC3_IN6, SDADC1_IN8, SDADC3_IN8]; if(hsdadc->Instance == SDADC1){ SD_ADC[CHANNEL - 4] = HAL_SDADC_InjectedGetValue(hsdadc, &CHANNEL); }else if(hsdadc->Instance == SDADC3){ SD_ADC[CHANNEL - 4 + 1] = HAL_SDADC_InjectedGetValue(hsdadc, &CHANNEL); } } 漏洞截图： 0
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