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Diffstat (limited to 'driverlib/gpio.h')
| -rw-r--r-- | driverlib/gpio.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/driverlib/gpio.h b/driverlib/gpio.h new file mode 100644 index 0000000..6421b1d --- /dev/null +++ b/driverlib/gpio.h @@ -0,0 +1,196 @@ +//*****************************************************************************
+//
+// 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__
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