//***************************************************************************** // // gpio.h - Defines and Macros for GPIO API. // // Copyright (c) 2005-2014 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the // distribution. // // Neither the name of Texas Instruments Incorporated nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library. // //***************************************************************************** #ifndef __DRIVERLIB_GPIO_H__ #define __DRIVERLIB_GPIO_H__ //***************************************************************************** // // If building with a C++ compiler, make all of the definitions in this header // have a C binding. // //***************************************************************************** #ifdef __cplusplus extern "C" { #endif //***************************************************************************** // // The following values define the bit field for the ui8Pins argument to // several of the APIs. // //***************************************************************************** #define GPIO_PIN_0 0x00000001 // GPIO pin 0 #define GPIO_PIN_1 0x00000002 // GPIO pin 1 #define GPIO_PIN_2 0x00000004 // GPIO pin 2 #define GPIO_PIN_3 0x00000008 // GPIO pin 3 #define GPIO_PIN_4 0x00000010 // GPIO pin 4 #define GPIO_PIN_5 0x00000020 // GPIO pin 5 #define GPIO_PIN_6 0x00000040 // GPIO pin 6 #define GPIO_PIN_7 0x00000080 // GPIO pin 7 //***************************************************************************** // // Values that can be passed to GPIODirModeSet as the ui32PinIO parameter, and // returned from GPIODirModeGet. // //***************************************************************************** #define GPIO_DIR_MODE_IN 0x00000000 // Pin is a GPIO input #define GPIO_DIR_MODE_OUT 0x00000001 // Pin is a GPIO output #define GPIO_DIR_MODE_HW 0x00000002 // Pin is a peripheral function //***************************************************************************** // // Values that can be passed to GPIOIntTypeSet as the ui32IntType parameter, // and returned from GPIOIntTypeGet. // //***************************************************************************** #define GPIO_FALLING_EDGE 0x00000000 // Interrupt on falling edge #define GPIO_RISING_EDGE 0x00000004 // Interrupt on rising edge #define GPIO_BOTH_EDGES 0x00000001 // Interrupt on both edges #define GPIO_LOW_LEVEL 0x00000002 // Interrupt on low level #define GPIO_HIGH_LEVEL 0x00000006 // Interrupt on high level #define GPIO_DISCRETE_INT 0x00010000 // Interrupt for individual pins //***************************************************************************** // // Values that can be passed to GPIOPadConfigSet as the ui32Strength parameter, // and returned by GPIOPadConfigGet in the *pui32Strength parameter. // //***************************************************************************** #define GPIO_STRENGTH_2MA 0x00000001 // 2mA drive strength #define GPIO_STRENGTH_4MA 0x00000002 // 4mA drive strength #define GPIO_STRENGTH_6MA 0x00000065 // 6mA drive strength #define GPIO_STRENGTH_8MA 0x00000066 // 8mA drive strength #define GPIO_STRENGTH_8MA_SC 0x0000006E // 8mA drive with slew rate control #define GPIO_STRENGTH_10MA 0x00000075 // 10mA drive strength #define GPIO_STRENGTH_12MA 0x00000077 // 12mA drive strength //***************************************************************************** // // Values that can be passed to GPIOPadConfigSet as the ui32PadType parameter, // and returned by GPIOPadConfigGet in the *pui32PadType parameter. // //***************************************************************************** #define GPIO_PIN_TYPE_STD 0x00000008 // Push-pull #define GPIO_PIN_TYPE_STD_WPU 0x0000000A // Push-pull with weak pull-up #define GPIO_PIN_TYPE_STD_WPD 0x0000000C // Push-pull with weak pull-down #define GPIO_PIN_TYPE_OD 0x00000009 // Open-drain #define GPIO_PIN_TYPE_ANALOG 0x00000000 // Analog comparator #define GPIO_PIN_TYPE_WAKE_HIGH 0x00000208 // Hibernate wake, high #define GPIO_PIN_TYPE_WAKE_LOW 0x00000108 // Hibernate wake, low //***************************************************************************** // // Values that can be passed to GPIOIntEnable() and GPIOIntDisable() functions // in the ui32IntFlags parameter. // //***************************************************************************** #define GPIO_INT_PIN_0 0x00000001 #define GPIO_INT_PIN_1 0x00000002 #define GPIO_INT_PIN_2 0x00000004 #define GPIO_INT_PIN_3 0x00000008 #define GPIO_INT_PIN_4 0x00000010 #define GPIO_INT_PIN_5 0x00000020 #define GPIO_INT_PIN_6 0x00000040 #define GPIO_INT_PIN_7 0x00000080 #define GPIO_INT_DMA 0x00000100 //***************************************************************************** // // Prototypes for the APIs. // //***************************************************************************** extern void GPIODirModeSet(uint32_t ui32Port, uint8_t ui8Pins, uint32_t ui32PinIO); extern uint32_t GPIODirModeGet(uint32_t ui32Port, uint8_t ui8Pin); extern void GPIOIntTypeSet(uint32_t ui32Port, uint8_t ui8Pins, uint32_t ui32IntType); extern uint32_t GPIOIntTypeGet(uint32_t ui32Port, uint8_t ui8Pin); extern void GPIOPadConfigSet(uint32_t ui32Port, uint8_t ui8Pins, uint32_t ui32Strength, uint32_t ui32PadType); extern void GPIOPadConfigGet(uint32_t ui32Port, uint8_t ui8Pin, uint32_t *pui32Strength, uint32_t *pui32PadType); extern void GPIOIntEnable(uint32_t ui32Port, uint32_t ui32IntFlags); extern void GPIOIntDisable(uint32_t ui32Port, uint32_t ui32IntFlags); extern uint32_t GPIOIntStatus(uint32_t ui32Port, bool bMasked); extern void GPIOIntClear(uint32_t ui32Port, uint32_t ui32IntFlags); extern void GPIOIntRegister(uint32_t ui32Port, void (*pfnIntHandler)(void)); extern void GPIOIntUnregister(uint32_t ui32Port); extern int32_t GPIOPinRead(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinWrite(uint32_t ui32Port, uint8_t ui8Pins, uint8_t ui8Val); extern void GPIOPinConfigure(uint32_t ui32PinConfig); extern void GPIOPinTypeADC(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeCAN(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeComparator(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeEPI(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeEthernetLED(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeEthernetMII(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeGPIOInput(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeGPIOOutput(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeGPIOOutputOD(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeI2C(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeI2CSCL(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeLCD(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypePWM(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeQEI(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeSSI(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeTimer(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeUART(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeUSBAnalog(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeUSBDigital(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeWakeHigh(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOPinTypeWakeLow(uint32_t ui32Port, uint8_t ui8Pins); extern uint32_t GPIOPinWakeStatus(uint32_t ui32Port); extern void GPIODMATriggerEnable(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIODMATriggerDisable(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOADCTriggerEnable(uint32_t ui32Port, uint8_t ui8Pins); extern void GPIOADCTriggerDisable(uint32_t ui32Port, uint8_t ui8Pins); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __DRIVERLIB_GPIO_H__