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-rw-r--r--software/mpu/src/gpio/gpio.c378
1 files changed, 0 insertions, 378 deletions
diff --git a/software/mpu/src/gpio/gpio.c b/software/mpu/src/gpio/gpio.c
deleted file mode 100644
index 84eee75..0000000
--- a/software/mpu/src/gpio/gpio.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/*****************************************************************************
- * gpio.c: GPIO C file for NXP LPC13xx Family Microprocessors
- *
- * Copyright(C) 2008, NXP Semiconductor
- * All rights reserved.
- *
- * History
- * 2008.07.20 ver 1.00 Preliminary version, first Release
- * 2009.12.09 ver 1.05 Mod to use mask registers for GPIO writes + inlining (.h)
- *
-*****************************************************************************/
-#include "LPC13xx.h" /* LPC13xx Peripheral Registers */
-#include "gpio.h"
-
-/* ===================
- * CodeRed - Modified file to extract out interrupt handler related code,
- * which is really application project specific.
- * Set TIMER16_GENERIC_INTS to 1 to reenable original code.
- * =================== */
-//#define GPIO_GENERIC_INTS 1
-
-#ifdef GPIO_GENERIC_INTS
-volatile uint32_t gpio0_counter = 0;
-volatile uint32_t gpio1_counter = 0;
-volatile uint32_t gpio2_counter = 0;
-volatile uint32_t gpio3_counter = 0;
-volatile uint32_t p0_1_counter = 0;
-volatile uint32_t p1_1_counter = 0;
-volatile uint32_t p2_1_counter = 0;
-volatile uint32_t p3_1_counter = 0;
-
-/*****************************************************************************
-** Function name: PIOINT0_IRQHandler
-**
-** Descriptions: Use one GPIO pin(port0 pin1) as interrupt source
-**
-** parameters: None
-** Returned value: None
-**
-*****************************************************************************/
-void PIOINT0_IRQHandler(void)
-{
- uint32_t regVal;
-
- gpio0_counter++;
- regVal = GPIOIntStatus( PORT0, 1 );
- if ( regVal )
- {
- p0_1_counter++;
- GPIOIntClear( PORT0, 1 );
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: PIOINT1_IRQHandler
-**
-** Descriptions: Use one GPIO pin(port1 pin1) as interrupt source
-**
-** parameters: None
-** Returned value: None
-**
-*****************************************************************************/
-void PIOINT1_IRQHandler(void)
-{
- uint32_t regVal;
-
- gpio1_counter++;
- regVal = GPIOIntStatus( PORT1, 1 );
- if ( regVal )
- {
- p1_1_counter++;
- GPIOIntClear( PORT1, 1 );
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: PIOINT2_IRQHandler
-**
-** Descriptions: Use one GPIO pin(port2 pin1) as interrupt source
-**
-** parameters: None
-** Returned value: None
-**
-*****************************************************************************/
-void PIOINT2_IRQHandler(void)
-{
- uint32_t regVal;
-
- gpio2_counter++;
- regVal = GPIOIntStatus( PORT2, 1 );
- if ( regVal )
- {
- p2_1_counter++;
- GPIOIntClear( PORT2, 1 );
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: PIOINT3_IRQHandler
-**
-** Descriptions: Use one GPIO pin(port3 pin1) as interrupt source
-**
-** parameters: None
-** Returned value: None
-**
-*****************************************************************************/
-void PIOINT3_IRQHandler(void)
-{
- uint32_t regVal;
-
- gpio3_counter++;
- regVal = GPIOIntStatus( PORT3, 1 );
- if ( regVal )
- {
- p3_1_counter++;
- GPIOIntClear( PORT3, 1 );
- }
- return;
-}
-#endif //GPIO_GENERIC_INTS
-
-/*****************************************************************************
-** Function name: GPIOInit
-**
-** Descriptions: Initialize GPIO, install the
-** GPIO interrupt handler
-**
-** parameters: None
-** Returned value: true or false, return false if the VIC table
-** is full and GPIO interrupt handler can be
-** installed.
-**
-*****************************************************************************/
-void GPIOInit( void )
-{
- /* Enable AHB clock to the GPIO domain. */
- LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
-
-#ifdef __JTAG_DISABLED
- LPC_IOCON->JTAG_TDO_PIO1_1 &= ~0x07;
- LPC_IOCON->JTAG_TDO_PIO1_1 |= 0x01;
-#endif
-
- /* Set up NVIC when I/O pins are configured as external interrupts. */
- NVIC_EnableIRQ(EINT0_IRQn);
- NVIC_EnableIRQ(EINT1_IRQn);
- NVIC_EnableIRQ(EINT2_IRQn);
- NVIC_EnableIRQ(EINT3_IRQn);
- return;
-}
-
-/*****************************************************************************
-** Function name: GPIOSetInterrupt
-**
-** Descriptions: Set interrupt sense, event, etc.
-** edge or level, 0 is edge, 1 is level
-** single or double edge, 0 is single, 1 is double
-** active high or low, etc.
-**
-** parameters: port num, bit position, sense, single/doube, polarity
-** Returned value: None
-**
-*****************************************************************************/
-void GPIOSetInterrupt( uint32_t portNum, uint32_t bitPosi, uint32_t sense,
- uint32_t single, uint32_t event )
-{
- switch ( portNum )
- {
- case PORT0:
- if ( sense == 0 )
- {
- LPC_GPIO0->IS &= ~(0x1<<bitPosi);
- /* single or double only applies when sense is 0(edge trigger). */
- if ( single == 0 )
- LPC_GPIO0->IBE &= ~(0x1<<bitPosi);
- else
- LPC_GPIO0->IBE |= (0x1<<bitPosi);
- }
- else
- LPC_GPIO0->IS |= (0x1<<bitPosi);
- if ( event == 0 )
- LPC_GPIO0->IEV &= ~(0x1<<bitPosi);
- else
- LPC_GPIO0->IEV |= (0x1<<bitPosi);
- break;
- case PORT1:
- if ( sense == 0 )
- {
- LPC_GPIO1->IS &= ~(0x1<<bitPosi);
- /* single or double only applies when sense is 0(edge trigger). */
- if ( single == 0 )
- LPC_GPIO1->IBE &= ~(0x1<<bitPosi);
- else
- LPC_GPIO1->IBE |= (0x1<<bitPosi);
- }
- else
- LPC_GPIO1->IS |= (0x1<<bitPosi);
- if ( event == 0 )
- LPC_GPIO1->IEV &= ~(0x1<<bitPosi);
- else
- LPC_GPIO1->IEV |= (0x1<<bitPosi);
- break;
- case PORT2:
- if ( sense == 0 )
- {
- LPC_GPIO2->IS &= ~(0x1<<bitPosi);
- /* single or double only applies when sense is 0(edge trigger). */
- if ( single == 0 )
- LPC_GPIO2->IBE &= ~(0x1<<bitPosi);
- else
- LPC_GPIO2->IBE |= (0x1<<bitPosi);
- }
- else
- LPC_GPIO2->IS |= (0x1<<bitPosi);
- if ( event == 0 )
- LPC_GPIO2->IEV &= ~(0x1<<bitPosi);
- else
- LPC_GPIO2->IEV |= (0x1<<bitPosi);
- break;
- case PORT3:
- if ( sense == 0 )
- {
- LPC_GPIO3->IS &= ~(0x1<<bitPosi);
- /* single or double only applies when sense is 0(edge trigger). */
- if ( single == 0 )
- LPC_GPIO3->IBE &= ~(0x1<<bitPosi);
- else
- LPC_GPIO3->IBE |= (0x1<<bitPosi);
- }
- else
- LPC_GPIO3->IS |= (0x1<<bitPosi);
- if ( event == 0 )
- LPC_GPIO3->IEV &= ~(0x1<<bitPosi);
- else
- LPC_GPIO3->IEV |= (0x1<<bitPosi);
- break;
- default:
- break;
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: GPIOIntEnable
-**
-** Descriptions: Enable Interrupt Mask for a port pin.
-**
-** parameters: port num, bit position
-** Returned value: None
-**
-*****************************************************************************/
-void GPIOIntEnable( uint32_t portNum, uint32_t bitPosi )
-{
- switch ( portNum )
- {
- case PORT0:
- LPC_GPIO0->IE |= (0x1<<bitPosi);
- break;
- case PORT1:
- LPC_GPIO1->IE |= (0x1<<bitPosi);
- break;
- case PORT2:
- LPC_GPIO2->IE |= (0x1<<bitPosi);
- break;
- case PORT3:
- LPC_GPIO3->IE |= (0x1<<bitPosi);
- break;
- default:
- break;
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: GPIOIntDisable
-**
-** Descriptions: Disable Interrupt Mask for a port pin.
-**
-** parameters: port num, bit position
-** Returned value: None
-**
-*****************************************************************************/
-void GPIOIntDisable( uint32_t portNum, uint32_t bitPosi )
-{
- switch ( portNum )
- {
- case PORT0:
- LPC_GPIO0->IE &= ~(0x1<<bitPosi);
- break;
- case PORT1:
- LPC_GPIO1->IE &= ~(0x1<<bitPosi);
- break;
- case PORT2:
- LPC_GPIO2->IE &= ~(0x1<<bitPosi);
- break;
- case PORT3:
- LPC_GPIO3->IE &= ~(0x1<<bitPosi);
- break;
- default:
- break;
- }
- return;
-}
-
-/*****************************************************************************
-** Function name: GPIOIntStatus
-**
-** Descriptions: Get Interrupt status for a port pin.
-**
-** parameters: port num, bit position
-** Returned value: None
-**
-*****************************************************************************/
-uint32_t GPIOIntStatus( uint32_t portNum, uint32_t bitPosi )
-{
- uint32_t regVal = 0;
-
- switch ( portNum )
- {
- case PORT0:
- if ( LPC_GPIO0->MIS & (0x1<<bitPosi) )
- regVal = 1;
- break;
- case PORT1:
- if ( LPC_GPIO1->MIS & (0x1<<bitPosi) )
- regVal = 1;
- break;
- case PORT2:
- if ( LPC_GPIO2->MIS & (0x1<<bitPosi) )
- regVal = 1;
- break;
- case PORT3:
- if ( LPC_GPIO3->MIS & (0x1<<bitPosi) )
- regVal = 1;
- break;
- default:
- break;
- }
- return ( regVal );
-}
-
-/*****************************************************************************
-** Function name: GPIOIntClear
-**
-** Descriptions: Clear Interrupt for a port pin.
-**
-** parameters: port num, bit position
-** Returned value: None
-**
-*****************************************************************************/
-void GPIOIntClear( uint32_t portNum, uint32_t bitPosi )
-{
- switch ( portNum )
- {
- case PORT0:
- LPC_GPIO0->IC |= (0x1<<bitPosi);
- break;
- case PORT1:
- LPC_GPIO1->IC |= (0x1<<bitPosi);
- break;
- case PORT2:
- LPC_GPIO2->IC |= (0x1<<bitPosi);
- break;
- case PORT3:
- LPC_GPIO3->IC |= (0x1<<bitPosi);
- break;
- default:
- break;
- }
- return;
-}
-
-/******************************************************************************
-** End Of File
-******************************************************************************/
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