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
+******************************************************************************/