diff options
| author | Roland Sahlsten <Roland.Sahlsten.ASE10@fh-joanneum.at> | 2011-05-24 21:02:43 +0000 |
|---|---|---|
| committer | Roland Sahlsten <Roland.Sahlsten.ASE10@fh-joanneum.at> | 2011-05-24 21:02:43 +0000 |
| commit | 89ee198a04df6e0fee2f7bbad39a99798f9d7afa (patch) | |
| tree | a2256f178f3888c23c8e026144c52c77ef096295 /software/mpu/src/gpio/gpio.h | |
| parent | CS should include 0xAA of each frame (diff) | |
First version of MainProcessingUnit mpu.
git-svn-id: https://svn.spreadspace.org/mur.sat@27 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/mpu/src/gpio/gpio.h')
| -rw-r--r-- | software/mpu/src/gpio/gpio.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/software/mpu/src/gpio/gpio.h b/software/mpu/src/gpio/gpio.h new file mode 100644 index 0000000..e56e07e --- /dev/null +++ b/software/mpu/src/gpio/gpio.h @@ -0,0 +1,66 @@ +/*****************************************************************************
+ * gpio.h: Header file for NXP LPC13xx Family Microprocessors
+ *
+ * Copyright(C) 2008, NXP Semiconductor
+ * All rights reserved.
+ *
+ * History
+ * 2008.09.01 ver 1.00 Preliminary version, first Release
+ * 2009.12.09 ver 1.05 Mod to use mask registers for GPIO writes + inlining (.h)
+ *
+******************************************************************************/
+#ifndef __GPIO_H
+#define __GPIO_H
+
+#define PORT0 0
+#define PORT1 1
+#define PORT2 2
+#define PORT3 3
+
+void GPIO_IRQHandler(void);
+void GPIOInit( void );
+void GPIOSetInterrupt( uint32_t portNum, uint32_t bitPosi, uint32_t sense,
+ uint32_t single, uint32_t event );
+void GPIOIntEnable( uint32_t portNum, uint32_t bitPosi );
+void GPIOIntDisable( uint32_t portNum, uint32_t bitPosi );
+uint32_t GPIOIntStatus( uint32_t portNum, uint32_t bitPosi );
+void GPIOIntClear( uint32_t portNum, uint32_t bitPosi );
+
+static LPC_GPIO_TypeDef (* const LPC_GPIO[4]) = { LPC_GPIO0, LPC_GPIO1, LPC_GPIO2, LPC_GPIO3 };
+
+/*****************************************************************************
+** Function name: GPIOSetValue
+**
+** Descriptions: Set/clear a bitvalue in a specific bit position
+** in GPIO portX(X is the port number.)
+**
+** parameters: port num, bit position, bit value
+** Returned value: None
+**
+*****************************************************************************/
+static __INLINE void GPIOSetValue( uint32_t portNum, uint32_t bitPosi, uint32_t bitVal )
+{
+ LPC_GPIO[portNum]->MASKED_ACCESS[(1<<bitPosi)] = (bitVal<<bitPosi);
+}
+
+/*****************************************************************************
+** Function name: GPIOSetDir
+**
+** Descriptions: Set the direction in GPIO port
+**
+** parameters: port num, bit position, direction (1 out, 0 input)
+** Returned value: None
+**
+*****************************************************************************/
+static __INLINE void GPIOSetDir( uint32_t portNum, uint32_t bitPosi, uint32_t dir )
+{
+ if(dir)
+ LPC_GPIO[portNum]->DIR |= 1<<bitPosi;
+ else
+ LPC_GPIO[portNum]->DIR &= ~(1<<bitPosi);
+}
+
+#endif /* end __GPIO_H */
+/*****************************************************************************
+** End Of File
+******************************************************************************/
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