/*---------------------------------------------------------------------*/ /* --- STC MCU Limited ------------------------------------------------*/ /* --- STC 1T Series MCU Demo Programme -------------------------------*/ /* --- Mobile: (86)13922805190 ----------------------------------------*/ /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/ /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/ /* --- Web: www.STCMCU.com --------------------------------------------*/ /* --- Web: www.STCMCUDATA.com ---------------------------------------*/ /* --- QQ: 800003751 -------------------------------------------------*/ /* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序 */ /*---------------------------------------------------------------------*/ #ifndef __GPIO_H #define __GPIO_H #include "type_def.h" #include "stc8a8k64d4.h" //======================================================================== // 端口模式设置 //======================================================================== //准双向口 #define P0_MODE_IO_PU(Pin) P0M1 &= ~(Pin), P0M0 &= ~(Pin); #define P1_MODE_IO_PU(Pin) P1M1 &= ~(Pin), P1M0 &= ~(Pin); #define P2_MODE_IO_PU(Pin) P2M1 &= ~(Pin), P2M0 &= ~(Pin); #define P3_MODE_IO_PU(Pin) P3M1 &= ~(Pin), P3M0 &= ~(Pin); #define P4_MODE_IO_PU(Pin) P4M1 &= ~(Pin), P4M0 &= ~(Pin); #define P5_MODE_IO_PU(Pin) P5M1 &= ~(Pin), P5M0 &= ~(Pin); #define P6_MODE_IO_PU(Pin) P6M1 &= ~(Pin), P6M0 &= ~(Pin); #define P7_MODE_IO_PU(Pin) P7M1 &= ~(Pin), P7M0 &= ~(Pin); //高阻输入 #define P0_MODE_IN_HIZ(Pin) P0M1 |= (Pin), P0M0 &= ~(Pin); #define P1_MODE_IN_HIZ(Pin) P1M1 |= (Pin), P1M0 &= ~(Pin); #define P2_MODE_IN_HIZ(Pin) P2M1 |= (Pin), P2M0 &= ~(Pin); #define P3_MODE_IN_HIZ(Pin) P3M1 |= (Pin), P3M0 &= ~(Pin); #define P4_MODE_IN_HIZ(Pin) P4M1 |= (Pin), P4M0 &= ~(Pin); #define P5_MODE_IN_HIZ(Pin) P5M1 |= (Pin), P5M0 &= ~(Pin); #define P6_MODE_IN_HIZ(Pin) P6M1 |= (Pin), P6M0 &= ~(Pin); #define P7_MODE_IN_HIZ(Pin) P7M1 |= (Pin), P7M0 &= ~(Pin); //漏极开路 #define P0_MODE_OUT_OD(Pin) P0M1 |= (Pin), P0M0 |= (Pin); #define P1_MODE_OUT_OD(Pin) P1M1 |= (Pin), P1M0 |= (Pin); #define P2_MODE_OUT_OD(Pin) P2M1 |= (Pin), P2M0 |= (Pin); #define P3_MODE_OUT_OD(Pin) P3M1 |= (Pin), P3M0 |= (Pin); #define P4_MODE_OUT_OD(Pin) P4M1 |= (Pin), P4M0 |= (Pin); #define P5_MODE_OUT_OD(Pin) P5M1 |= (Pin), P5M0 |= (Pin); #define P6_MODE_OUT_OD(Pin) P6M1 |= (Pin), P6M0 |= (Pin); #define P7_MODE_OUT_OD(Pin) P7M1 |= (Pin), P7M0 |= (Pin); //推挽输出 #define P0_MODE_OUT_PP(Pin) P0M1 &= ~(Pin), P0M0 |= (Pin); #define P1_MODE_OUT_PP(Pin) P1M1 &= ~(Pin), P1M0 |= (Pin); #define P2_MODE_OUT_PP(Pin) P2M1 &= ~(Pin), P2M0 |= (Pin); #define P3_MODE_OUT_PP(Pin) P3M1 &= ~(Pin), P3M0 |= (Pin); #define P4_MODE_OUT_PP(Pin) P4M1 &= ~(Pin), P4M0 |= (Pin); #define P5_MODE_OUT_PP(Pin) P5M1 &= ~(Pin), P5M0 |= (Pin); #define P6_MODE_OUT_PP(Pin) P6M1 &= ~(Pin), P6M0 |= (Pin); #define P7_MODE_OUT_PP(Pin) P7M1 &= ~(Pin), P7M0 |= (Pin); //======================================================================== // 端口内部4.1K上拉设置 //======================================================================== //上拉使能 #define P0_PULL_UP_ENABLE(Pin) {EAXSFR(); P0PU |= (Pin); EAXRAM();} #define P1_PULL_UP_ENABLE(Pin) {EAXSFR(); P1PU |= (Pin); EAXRAM();} #define P2_PULL_UP_ENABLE(Pin) {EAXSFR(); P2PU |= (Pin); EAXRAM();} #define P3_PULL_UP_ENABLE(Pin) {EAXSFR(); P3PU |= (Pin); EAXRAM();} #define P4_PULL_UP_ENABLE(Pin) {EAXSFR(); P4PU |= (Pin); EAXRAM();} #define P5_PULL_UP_ENABLE(Pin) {EAXSFR(); P5PU |= (Pin); EAXRAM();} #define P6_PULL_UP_ENABLE(Pin) {EAXSFR(); P6PU |= (Pin); EAXRAM();} #define P7_PULL_UP_ENABLE(Pin) {EAXSFR(); P7PU |= (Pin); EAXRAM();} //上拉禁止 #define P0_PULL_UP_DISABLE(Pin) {EAXSFR(); P0PU &= ~(Pin); EAXRAM();} #define P1_PULL_UP_DISABLE(Pin) {EAXSFR(); P1PU &= ~(Pin); EAXRAM();} #define P2_PULL_UP_DISABLE(Pin) {EAXSFR(); P2PU &= ~(Pin); EAXRAM();} #define P3_PULL_UP_DISABLE(Pin) {EAXSFR(); P3PU &= ~(Pin); EAXRAM();} #define P4_PULL_UP_DISABLE(Pin) {EAXSFR(); P4PU &= ~(Pin); EAXRAM();} #define P5_PULL_UP_DISABLE(Pin) {EAXSFR(); P5PU &= ~(Pin); EAXRAM();} #define P6_PULL_UP_DISABLE(Pin) {EAXSFR(); P6PU &= ~(Pin); EAXRAM();} #define P7_PULL_UP_DISABLE(Pin) {EAXSFR(); P7PU &= ~(Pin); EAXRAM();} //======================================================================== // 端口施密特触发设置 //======================================================================== //施密特触发使能 #define P0_ST_ENABLE(Pin) {EAXSFR(); P0NCS &= ~(Pin); EAXRAM();} #define P1_ST_ENABLE(Pin) {EAXSFR(); P1NCS &= ~(Pin); EAXRAM();} #define P2_ST_ENABLE(Pin) {EAXSFR(); P2NCS &= ~(Pin); EAXRAM();} #define P3_ST_ENABLE(Pin) {EAXSFR(); P3NCS &= ~(Pin); EAXRAM();} #define P4_ST_ENABLE(Pin) {EAXSFR(); P4NCS &= ~(Pin); EAXRAM();} #define P5_ST_ENABLE(Pin) {EAXSFR(); P5NCS &= ~(Pin); EAXRAM();} #define P6_ST_ENABLE(Pin) {EAXSFR(); P6NCS &= ~(Pin); EAXRAM();} #define P7_ST_ENABLE(Pin) {EAXSFR(); P7NCS &= ~(Pin); EAXRAM();} //施密特触发禁止 #define P0_ST_DISABLE(Pin) {EAXSFR(); P0NCS |= (Pin); EAXRAM();} #define P1_ST_DISABLE(Pin) {EAXSFR(); P1NCS |= (Pin); EAXRAM();} #define P2_ST_DISABLE(Pin) {EAXSFR(); P2NCS |= (Pin); EAXRAM();} #define P3_ST_DISABLE(Pin) {EAXSFR(); P3NCS |= (Pin); EAXRAM();} #define P4_ST_DISABLE(Pin) {EAXSFR(); P4NCS |= (Pin); EAXRAM();} #define P5_ST_DISABLE(Pin) {EAXSFR(); P5NCS |= (Pin); EAXRAM();} #define P6_ST_DISABLE(Pin) {EAXSFR(); P6NCS |= (Pin); EAXRAM();} #define P7_ST_DISABLE(Pin) {EAXSFR(); P7NCS |= (Pin); EAXRAM();} //======================================================================== // 端口电平转换速度设置 //======================================================================== //电平转换慢速，相应的上下冲比较小 #define P0_SPEED_LOW(Pin) {EAXSFR(); P0SR |= (Pin); EAXRAM();} #define P1_SPEED_LOW(Pin) {EAXSFR(); P1SR |= (Pin); EAXRAM();} #define P2_SPEED_LOW(Pin) {EAXSFR(); P2SR |= (Pin); EAXRAM();} #define P3_SPEED_LOW(Pin) {EAXSFR(); P3SR |= (Pin); EAXRAM();} #define P4_SPEED_LOW(Pin) {EAXSFR(); P4SR |= (Pin); EAXRAM();} #define P5_SPEED_LOW(Pin) {EAXSFR(); P5SR |= (Pin); EAXRAM();} #define P6_SPEED_LOW(Pin) {EAXSFR(); P6SR |= (Pin); EAXRAM();} #define P7_SPEED_LOW(Pin) {EAXSFR(); P7SR |= (Pin); EAXRAM();} //电平转换快速，相应的上下冲比较大 #define P0_SPEED_HIGH(Pin) {EAXSFR(); P0SR &= ~(Pin); EAXRAM();} #define P1_SPEED_HIGH(Pin) {EAXSFR(); P1SR &= ~(Pin); EAXRAM();} #define P2_SPEED_HIGH(Pin) {EAXSFR(); P2SR &= ~(Pin); EAXRAM();} #define P3_SPEED_HIGH(Pin) {EAXSFR(); P3SR &= ~(Pin); EAXRAM();} #define P4_SPEED_HIGH(Pin) {EAXSFR(); P4SR &= ~(Pin); EAXRAM();} #define P5_SPEED_HIGH(Pin) {EAXSFR(); P5SR &= ~(Pin); EAXRAM();} #define P6_SPEED_HIGH(Pin) {EAXSFR(); P6SR &= ~(Pin); EAXRAM();} #define P7_SPEED_HIGH(Pin) {EAXSFR(); P7SR &= ~(Pin); EAXRAM();} //======================================================================== // 端口驱动电流控制设置 //======================================================================== //一般驱动能力 #define P0_DRIVE_MEDIUM(Pin) {EAXSFR(); P0DR |= (Pin); EAXRAM();} #define P1_DRIVE_MEDIUM(Pin) {EAXSFR(); P1DR |= (Pin); EAXRAM();} #define P2_DRIVE_MEDIUM(Pin) {EAXSFR(); P2DR |= (Pin); EAXRAM();} #define P3_DRIVE_MEDIUM(Pin) {EAXSFR(); P3DR |= (Pin); EAXRAM();} #define P4_DRIVE_MEDIUM(Pin) {EAXSFR(); P4DR |= (Pin); EAXRAM();} #define P5_DRIVE_MEDIUM(Pin) {EAXSFR(); P5DR |= (Pin); EAXRAM();} #define P6_DRIVE_MEDIUM(Pin) {EAXSFR(); P6DR |= (Pin); EAXRAM();} #define P7_DRIVE_MEDIUM(Pin) {EAXSFR(); P7DR |= (Pin); EAXRAM();} //增强驱动能力 #define P0_DRIVE_HIGH(Pin) {EAXSFR(); P0DR &= ~(Pin); EAXRAM();} #define P1_DRIVE_HIGH(Pin) {EAXSFR(); P1DR &= ~(Pin); EAXRAM();} #define P2_DRIVE_HIGH(Pin) {EAXSFR(); P2DR &= ~(Pin); EAXRAM();} #define P3_DRIVE_HIGH(Pin) {EAXSFR(); P3DR &= ~(Pin); EAXRAM();} #define P4_DRIVE_HIGH(Pin) {EAXSFR(); P4DR &= ~(Pin); EAXRAM();} #define P5_DRIVE_HIGH(Pin) {EAXSFR(); P5DR &= ~(Pin); EAXRAM();} #define P6_DRIVE_HIGH(Pin) {EAXSFR(); P6DR &= ~(Pin); EAXRAM();} #define P7_DRIVE_HIGH(Pin) {EAXSFR(); P7DR &= ~(Pin); EAXRAM();} //======================================================================== // 端口数字信号输入使能 //======================================================================== //使能数字信号输入 #define P0_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P0IE |= (Pin); EAXRAM();} #define P1_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P1IE |= (Pin); EAXRAM();} #define P2_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P2IE |= (Pin); EAXRAM();} #define P3_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P3IE |= (Pin); EAXRAM();} #define P4_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P4IE |= (Pin); EAXRAM();} #define P5_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P5IE |= (Pin); EAXRAM();} #define P6_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P6IE |= (Pin); EAXRAM();} #define P7_DIGIT_IN_ENABLE(Pin) {EAXSFR(); P7IE |= (Pin); EAXRAM();} //禁止数字信号输入 #define P0_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P0IE &= ~(Pin); EAXRAM();} #define P1_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P1IE &= ~(Pin); EAXRAM();} #define P2_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P2IE &= ~(Pin); EAXRAM();} #define P3_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P3IE &= ~(Pin); EAXRAM();} #define P4_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P4IE &= ~(Pin); EAXRAM();} #define P5_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P5IE &= ~(Pin); EAXRAM();} #define P6_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P6IE &= ~(Pin); EAXRAM();} #define P7_DIGIT_IN_DISABLE(Pin) {EAXSFR(); P7IE &= ~(Pin); EAXRAM();} //======================================================================== // 定义声明 //======================================================================== #define GPIO_PullUp 0 //上拉准双向口 #define GPIO_HighZ 1 //浮空输入 #define GPIO_OUT_OD 2 //开漏输出 #define GPIO_OUT_PP 3 //推挽输出 #define GPIO_Pin_0 0x01 //IO引脚 Px.0 #define GPIO_Pin_1 0x02 //IO引脚 Px.1 #define GPIO_Pin_2 0x04 //IO引脚 Px.2 #define GPIO_Pin_3 0x08 //IO引脚 Px.3 #define GPIO_Pin_4 0x10 //IO引脚 Px.4 #define GPIO_Pin_5 0x20 //IO引脚 Px.5 #define GPIO_Pin_6 0x40 //IO引脚 Px.6 #define GPIO_Pin_7 0x80 //IO引脚 Px.7 #define GPIO_Pin_LOW 0x0F //IO低4位引脚 #define GPIO_Pin_HIGH 0xF0 //IO高4位引脚 #define GPIO_Pin_All 0xFF //IO所有引脚 #define GPIO_P0 0 // #define GPIO_P1 1 #define GPIO_P2 2 #define GPIO_P3 3 #define GPIO_P4 4 #define GPIO_P5 5 #define GPIO_P6 6 #define GPIO_P7 7 typedef struct { u8 Mode; //IO模式, GPIO_PullUp,GPIO_HighZ,GPIO_OUT_OD,GPIO_OUT_PP u8 Pin; //要设置的端口 } GPIO_InitTypeDef; u8 GPIO_Inilize(u8 GPIO, GPIO_InitTypeDef *GPIOx); #endif