stm8s系列教程gpio基础知识2017年04月

1、、面STM8S STM8S C STM8S ，、GPIO基础知GPIO：GeneraleInput Output 配置，STM8S IO 、本、面STM8S STM8S C STM8S ，、GPIO基础知GPIO：GeneraleInput Output 配置，STM8S IO 、本工程说GPIO IARforSTM8介绍、 IAR for STM8 系列、安装（一） 新工程内容：STM8S 1.工程源代IAR for STM8（EWSTM8）的STM8SSTM8AF 型号：ProjectOptionsGeneralOptions-sor - 1.工程源代IAR for STM8（EWSTM8

2、）的STM8SSTM8AF 型号：ProjectOptionsGeneralOptions-sor - 型号预定义：ProjectOptionsC/CCompilerPrepro 流GPIO、while3.A.16MHzRC振荡器(HSI)8 16M1 （2M16MvoidCLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1/HSI16M(1分频CLK_PRESCALER_HSIDIVtypedefenum =8_t)0 x00,/*!High8_t)0 x08, /*! High speed 8_t)0 x10, /*! High speed 8_t)0

3、x18, /*! High speed 8_t)0 x80,/*!CPUclockdivi 8_t)0 x81,/*!CPUclockdivi 8_t)0 x82,/*!CPUclockdivi 8_t)0 x83,/*!CPUclockernalclockprescaler:1ernalclockprescaler:2*/ ernalclockprescaler:4*/ ernalclockprescaler:8factors1factors2factors4factors8 = = = 8_t)0 x84,/*!CPUclock8_t)0 x85, /*! CPU clockdivi 8_

4、t)0 x86, /*! CPU clock divi 8_t)0 x87 /*!CPUclockfactors16factors32factors64 = = = 8_t)0 x84,/*!CPUclock8_t)0 x85, /*! CPU clockdivi 8_t)0 x86, /*! CPU clock divi 8_t)0 x87 /*!CPUclockfactors16factors32factors64factors128CLK_PRESCALER_CPUDIV128=B.GPIOLED IO，使用宏定义（方便修改#define#define typedef =(u 8_t)0

5、 x00, /*! Input floating,no errupt=(u 8_t)0 x40, /*! Inputpull-up,no errupt=(u 8_t)0 x20, /*! Input floating,errupt=(u 8_t)0 x60, /*! Inputpull-up,erruptGPIO_MODE_OUT_OD_LOW_FAST = (u 8_t)0 xA0, /*!Outputopen-drain,lowlevel,10MHzGPIO_MODE_OUT_PP_LOW_FAST = (u 8_t)0 xE0, /*! Output push-pull, low lev

6、el, 10MHz */ GPIO_MODE_OUT_OD_LOW_SLOW = (u 8_t)0 x80, /*! Output open-drain, low level, 2MHz */ GPIO_MODE_OUT_PP_LOW_SLOW = (u 8_t)0 xC0, /*! Output push-pull, low level, 2MHz */ GPIO_MODE_OUT_OD_HIZ_FAST =(u 8_t)0 xB0, /*!Output open-drain,high-impedancelevel,10MHz*/ GPIO_MODE_OUT_PP_HIGH_FAST = (u 8_t)0 xF0, /*! Output push-pull, high level, 10MHz */ GPIO_MODE_OUT_OD_HIZ_SLOW =(u 8_t)0 x90, /*!Outputopen-drain,high-impedancelevel,2MHz*/GPIO_MODE_OUT_PP_HIGH_SLOW=(u /*!Outputpush-pull,highlevel,2MHzGPIO 的输入输出模式种类：输出分类：推挽式能力的，用在特殊场合，如 I2C 的 DATA 总线。这两种输出的具体意思可以网上C.main while LED （IO）LE