STM32F103平台数字旋转编码按键

应用背景 关键技术EC11数字旋转编码器在STM32F103平台上的驱动，利用中断查询方式判断顺时针旋转还是逆时针旋转。同时有中间按键的功能。硬件原理图和实物图如上。因为稳定性原因，在编码器引脚上加了电容滤波。目前代码能正常使用。

Listing
startup_stm32f10x_hd.lst
Template.map
Libraries
FWlib
CMSIS
Doc
readme.txt
User
key.c
Key.h
led.c
led.h
main.c
Pmisc.c
Pmisc.h
stm32f10x_conf.h
stm32f10x_it.c
stm32f10x_it.h
SysTick.c
SysTick.h
Project
RVMDK（uv4）
Output
core_cm3.crf
core_cm3.d
core_cm3.o
key.crf
key.d
key.o
key.__i
led.crf
led.d
led.o
main.crf
main.d
main.o
main.__i
misc.crf
misc.d
misc.o
pmisc.crf
pmisc.d
pmisc.o
startup_stm32f10x_hd.d
startup_stm32f10x_hd.o
stm32f10x_adc.crf
stm32f10x_adc.d
stm32f10x_adc.o
stm32f10x_bkp.crf
stm32f10x_bkp.d
stm32f10x_bkp.o
stm32f10x_can.crf
stm32f10x_can.d
stm32f10x_can.o
stm32f10x_cec.crf
stm32f10x_cec.d
stm32f10x_cec.o
stm32f10x_crc.crf
stm32f10x_crc.d
stm32f10x_crc.o
stm32f10x_dac.crf
stm32f10x_dac.d
stm32f10x_dac.o
stm32f10x_dbgmcu.crf
stm32f10x_dbgmcu.d
stm32f10x_dbgmcu.o
stm32f10x_dma.crf
stm32f10x_dma.d
stm32f10x_dma.o
stm32f10x_exti.crf
stm32f10x_exti.d
stm32f10x_exti.o
stm32f10x_flash.crf
stm32f10x_flash.d
stm32f10x_flash.o
stm32f10x_fsmc.crf
stm32f10x_fsmc.d
stm32f10x_fsmc.o
stm32f10x_gpio.crf
stm32f10x_gpio.d
stm32f10x_gpio.o
stm32f10x_i2c.crf
stm32f10x_i2c.d
stm32f10x_i2c.o
stm32f10x_it.crf
stm32f10x_it.d
stm32f10x_it.o
stm32f10x_it.__i
stm32f10x_iwdg.crf
stm32f10x_iwdg.d
stm32f10x_iwdg.o
stm32f10x_pwr.crf
stm32f10x_pwr.d
stm32f10x_pwr.o
stm32f10x_rcc.crf
stm32f10x_rcc.d
stm32f10x_rcc.o
stm32f10x_rtc.crf
stm32f10x_rtc.d
stm32f10x_rtc.o
stm32f10x_sdio.crf
stm32f10x_sdio.d
stm32f10x_sdio.o
stm32f10x_spi.crf
stm32f10x_spi.d
stm32f10x_spi.o
stm32f10x_tim.crf
stm32f10x_tim.d
stm32f10x_tim.o
stm32f10x_usart.crf
stm32f10x_usart.d
stm32f10x_usart.o
stm32f10x_wwdg.crf
stm32f10x_wwdg.d
stm32f10x_wwdg.o
system_stm32f10x.crf
system_stm32f10x.d
system_stm32f10x.o
systick.crf
systick.d
systick.o
systick.__i
Template.axf
Template.hex
Template.htm
Template.lnp
Template.plg
Template.sct
Template.tra
keilkill.bat