Based on the stm32f407, using the four timer 5 input capture channel to capture the two digital encoder output waveform, each encoder output two signals, there is a phase difference, which distinguish between positive and negative.

输入捕获3_2016_11_30_ demo_succ\CORE\core_cm4.h
...............................\....\core_cm4_simd.h
...............................\....\core_cmFunc.h
...............................\....\core_cmInstr.h
...............................\....\startup_stm32f40_41xxx.s
...............................\FWLIB\inc\misc.h
...............................\.....\...\stm32f4xx_adc.h
...............................\.....\...\stm32f4xx_can.h
...............................\.....\...\stm32f4xx_crc.h
...............................\.....\...\stm32f4xx_cryp.h
...............................\.....\...\stm32f4xx_dac.h
...............................\.....\...\stm32f4xx_dbgmcu.h
...............................\.....\...\stm32f4xx_dcmi.h
...............................\.....\...\stm32f4xx_dma.h
...............................\.....\...\stm32f4xx_dma2d.h
...............................\.....\...\stm32f4xx_exti.h
...............................\.....\...\stm32f4xx_flash.h
...............................\.....\...\stm32f4xx_flash_ramfunc.h
...............................\.....\...\stm32f4xx_fmc.h
...............................\.....\...\stm32f4xx_fsmc.h
...............................\.....\...\stm32f4xx_gpio.h
...............................\.....\...\stm32f4xx_hash.h
...............................\.....\...\stm32f4xx_i2c.h
...............................\.....\...\stm32f4xx_iwdg.h
...............................\.....\...\stm32f4xx_ltdc.h
...............................\.....\...\stm32f4xx_pwr.h
...............................\.....\...\stm32f4xx_rcc.h
...............................\.....\...\stm32f4xx_rng.h
...............................\.....\...\stm32f4xx_rtc.h
...............................\.....\...\stm32f4xx_sai.h
...............................\.....\...\stm32f4xx_sdio.h
...............................\.....\...\stm32f4xx_spi.h
...............................\.....\...\stm32f4xx_syscfg.h
...............................\.....\...\stm32f4xx_tim.h
...............................\.....\...\stm32f4xx_usart.h
...............................\.....\...\stm32f4xx_wwdg.h
...............................\.....\src\misc.c
...............................\.....\...\stm32f4xx_adc.c
...............................\.....\...\stm32f4xx_can.c
...............................\.....\...\stm32f4xx_crc.c
...............................\.....\...\stm32f4xx_cryp.c
...............................\.....\...\stm32f4xx_cryp_aes.c
...............................\.....\...\stm32f4xx_cryp_des.c
...............................\.....\...\stm32f4xx_cryp_tdes.c
...............................\.....\...\stm32f4xx_dac.c
...............................\.....\...\stm32f4xx_dbgmcu.c
...............................\.....\...\stm32f4xx_dcmi.c
...............................\.....\...\stm32f4xx_dma.c
...............................\.....\...\stm32f4xx_dma2d.c
...............................\.....\...\stm32f4xx_exti.c
...............................\.....\...\stm32f4xx_flash.c
...............................\.....\...\stm32f4xx_flash_ramfunc.c
...............................\.....\...\stm32f4xx_fmc.c
...............................\.....\...\stm32f4xx_fsmc.c
...............................\.....\...\stm32f4xx_gpio.c
...............................\.....\...\stm32f4xx_hash.c
...............................\.....\...\stm32f4xx_hash_md5.c
...............................\.....\...\stm32f4xx_hash_sha1.c
...............................\.....\...\stm32f4xx_i2c.c
...............................\.....\...\stm32f4xx_iwdg.c
...............................\.....\...\stm32f4xx_ltdc.c
...............................\.....\...\stm32f4xx_pwr.c
...............................\.....\...\stm32f4xx_rcc.c
...............................\.....\...\stm32f4xx_rng.c
...............................\.....\...\stm32f4xx_rtc.c
...............................\.....\...\stm32f4xx_sai.c
...............................\.....\...\stm32f4xx_sdio.c
...............................\.....\...\stm32f4xx_spi.c
...............................\.....\...\stm32f4xx_syscfg.c
...............................\.....\...\st

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