You can control 4 IO ports by sending 1 commands through the serial port, so that the car can drive in 8 directions, with differential turn function.

Filename	Size	Update
V0.2	0	2018-04-11
V0.2\CORE	0	2018-04-11
V0.2\CORE\core_cm4.h	109142	2014-07-17
V0.2\CORE\core_cm4_simd.h	22735	2014-07-17
V0.2\CORE\core_cmFunc.h	17146	2014-07-17
V0.2\CORE\core_cmInstr.h	20513	2014-07-17
V0.2\CORE\startup_stm32f40_41xxx.s	29605	2014-08-02
V0.2\FWLIB	0	2018-04-11
V0.2\FWLIB\inc	0	2018-04-11
V0.2\FWLIB\inc\misc.h	6924	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_adc.h	32880	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_can.h	27318	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_crc.h	2416	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_cryp.h	14481	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_dac.h	14946	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_dbgmcu.h	4296	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_dcmi.h	12977	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_dma.h	28882	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_dma2d.h	19692	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_exti.h	8012	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_flash.h	24467	2014-08-04
V0.2\FWLIB\inc\stm32f4xx_flash_ramfunc.h	3275	2014-08-04
V0.2\FWLIB\inc\stm32f4xx_fmc.h	44924	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_fsmc.h	27181	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_gpio.h	23548	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_hash.h	10084	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_i2c.h	31939	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_iwdg.h	4323	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_ltdc.h	21191	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_pwr.h	7728	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_rcc.h	30063	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_rng.h	3958	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_rtc.h	40546	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_sai.h	25470	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_sdio.h	22777	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_spi.h	21178	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_syscfg.h	8974	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_tim.h	51689	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_usart.h	17935	2014-08-01
V0.2\FWLIB\inc\stm32f4xx_wwdg.h	3542	2014-08-01
V0.2\FWLIB\src	0	2018-04-11
V0.2\FWLIB\src\misc.c	11443	2014-08-01
V0.2\FWLIB\src\stm32f4xx_adc.c	69068	2014-08-01
V0.2\FWLIB\src\stm32f4xx_can.c	60150	2014-08-01
V0.2\FWLIB\src\stm32f4xx_crc.c	3596	2014-08-01
V0.2\FWLIB\src\stm32f4xx_cryp.c	35493	2014-08-01
V0.2\FWLIB\src\stm32f4xx_cryp_aes.c	58026	2014-08-01
V0.2\FWLIB\src\stm32f4xx_cryp_des.c	9822	2014-08-01
V0.2\FWLIB\src\stm32f4xx_cryp_tdes.c	10577	2014-08-01
V0.2\FWLIB\src\stm32f4xx_dac.c	26804	2014-08-01
V0.2\FWLIB\src\stm32f4xx_dbgmcu.c	6809	2014-08-01
V0.2\FWLIB\src\stm32f4xx_dcmi.c	18782	2014-08-01
V0.2\FWLIB\src\stm32f4xx_dma.c	52917	2014-08-01
V0.2\FWLIB\src\stm32f4xx_dma2d.c	27165	2014-08-01
V0.2\FWLIB\src\stm32f4xx_exti.c	9828	2014-08-01
V0.2\FWLIB\src\stm32f4xx_flash.c	63033	2014-08-01
V0.2\FWLIB\src\stm32f4xx_flash_ramfunc.c	5444	2014-08-04
V0.2\FWLIB\src\stm32f4xx_fmc.c	56568	2014-08-01
V0.2\FWLIB\src\stm32f4xx_fsmc.c	41831	2014-08-01
V0.2\FWLIB\src\stm32f4xx_gpio.c	25202	2014-08-01
V0.2\FWLIB\src\stm32f4xx_hash.c	26630	2014-08-01
V0.2\FWLIB\src\stm32f4xx_hash_md5.c	9594	2014-08-01
V0.2\FWLIB\src\stm32f4xx_hash_sha1.c	9793	2014-08-01
V0.2\FWLIB\src\stm32f4xx_i2c.c	54393	2014-08-01
V0.2\FWLIB\src\stm32f4xx_iwdg.c	9348	2014-08-01
V0.2\FWLIB\src\stm32f4xx_ltdc.c	39790	2014-08-01
V0.2\FWLIB\src\stm32f4xx_pwr.c	37707	2014-08-01
V0.2\FWLIB\src\stm32f4xx_rcc.c	98839	2014-08-01
V0.2\FWLIB\src\stm32f4xx_rng.c	14060	2014-08-01
V0.2\FWLIB\src\stm32f4xx_rtc.c	102891	2014-08-01
V0.2\FWLIB\src\stm32f4xx_sai.c	46411	2014-08-01
V0.2\FWLIB\src\stm32f4xx_sdio.c	38957	2014-08-01
V0.2\FWLIB\src\stm32f4xx_spi.c	52522	2014-08-01
V0.2\FWLIB\src\stm32f4xx_syscfg.c	9575	2014-08-01
V0.2\FWLIB\src\stm32f4xx_tim.c	124732	2014-08-01
V0.2\FWLIB\src\stm32f4xx_usart.c	57949	2014-08-01
V0.2\FWLIB\src\stm32f4xx_wwdg.c	10492	2014-08-01
V0.2\HARDWARE	0	2018-04-11
V0.2\HARDWARE\BEEP	0	2018-04-11
V0.2\HARDWARE\BEEP\beep.c	1147	2014-07-05
V0.2\HARDWARE\BEEP\beep.h	674	2014-05-04
V0.2\HARDWARE\DCMOTOR	0	2018-04-11
V0.2\HARDWARE\DCMOTOR\run.c	2408	2017-11-01
V0.2\HARDWARE\DCMOTOR\run.h	2701	2016-08-31
V0.2\HARDWARE\EXTI	0	2018-04-11
V0.2\HARDWARE\EXTI\exti.c	3968	2016-11-30
V0.2\HARDWARE\EXTI\exti.h	636	2016-11-30
V0.2\HARDWARE\GPIO	0	2018-04-11
V0.2\HARDWARE\GPIO\gpio.c	1071	2017-11-03
V0.2\HARDWARE\GPIO\gpio.h	773	2017-11-03
V0.2\HARDWARE\KEY	0	2018-04-11
V0.2\HARDWARE\KEY\key.c	1886	2016-11-30
V0.2\HARDWARE\KEY\key.h	1175	2016-11-29
V0.2\HARDWARE\LCD	0	2018-04-11
V0.2\HARDWARE\LCD\FONT.H	35016	2014-01-02
V0.2\HARDWARE\LCD\lcd.c	88115	2015-08-12
V0.2\HARDWARE\LCD\lcd.h	7543	2015-08-05
V0.2\HARDWARE\LED	0	2018-04-11
V0.2\HARDWARE\LED\led.c	1409	2016-11-29
V0.2\HARDWARE\LED\led.h	718	2016-11-29

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