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Stm32f1 inverter SPWM and AD acquisition
4.3
Application background This procedure for stm32f107 inverter. It has a high reference value by using the method of bipolar symmetry sampling. And contains ad collection, a complete closed-loop control, Key Technology The use of stm32f107 advanced timer to generate a bipolar SPWM waveform, control thyristor switch to reverse into the required waveform
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AD7606_stm32f407_dma_printf routine
4.0
Application background The 8 channel sensor for ad7606 and stm32f407 communication, and now this convenient information less. AD7606 read process is the first to use MCU to send a convst signal to the AD7606, and then after the conversion is completed, AD7606 will send a busy signal to the microcontroller to read and then start the FSMC to read the value of the sample. Key Technology The program is running, the first initialization operation, after the trigger pin CONVST_A CONVST_B, AD7606 on the AD7606 to generate a set of fixed frequency and pulse width of the pulse signal, pulse signal rose along the trigger AD, BUSY signal pin is high, the conversion of the BUSY signal is low, resulting in an external interrupt, the interrupt program to read AD. There are two buffer zones to store the sampling results of AD, when a buffer is full, and then the parameters are calculated, and the results of AD will be stored in another buffer. The mechanism of
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