I want to read in two phase currents of a BLDC motor, simultanous with injected ADC1 and ADC2 triggered by Timer1 Capture Compare Channel 4. See chapter 5.1 of the STM manual UM1052: https://www.st.com/content/ccc/resource/technical/document/user_manual/5e/5e/d2/cb/07/35/45/a6/CD00298474.pdf/files/CD00298474.pdf/jcr:content/translations/en.CD00298474.pdf The interrupt of Timer1 Capture Compare Channel 4 works properly, but no injected ADC conversion is started :-( If I start the conversion by software in the Timer1 Capture Compare Channel 4 callback, it works. here are two screenshots of the relevant registers at runtime. http://www.stm32duino.com/download/file.php?id=3190&sid=68aec5aeb5f8c2092a3f0dfd85a63b81 http://www.stm32duino.com/download/file.php?id=3190&sid=68aec5aeb5f8c2092a3f0dfd85a63b81 Any idea what's going wrong? you can find the project at github. https://github.com/stancecoke/LishuiFOC (earlier commit, the recent commit is with the workaround via Tim1CC4 interrupt. we can discuss the problem on register level.... I've asked this question at several forums already, but no help so far... regards hochsitzcola
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