Description: 1. To achieve the serial port 2 operation.
2. Using DMA+ idle interrupt+ serial port, completed the variable frame data reception and transmission.
To Search:
File list (Check if you may need any files):
DMA空闲中断试验-完成\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
....................\.....\...\stm32f4xx_tim.c
....................\.....\...\stm32f4xx_usart.c
....................\.....\...\stm32f4xx_wwdg.c
....................\HARDWARE\BEEP\beep.c
....................\........\....\beep.h
....................\........\KEY\key.c
....................\........\...\key.h
....................\........\LED\led.c
....................\........\...\led.h
....................\........\TIMER\timer.c
....................\........\.....\timer.h
....................\keilkilll.bat
....................\OBJ\beep.crf
....................\...\beep.d
....................\...\beep.o
....................\...\delay.crf
....................\...\delay.d
....................\...\delay.o
....................\...\ExtDll.iex
....................\...\key.crf
....................\...