Part Number: TMDSLCDK138
Other Parts Discussed in Thread: OMAPL138
Tool/software: Code Composer Studio
We are using following code for LED Blink
Getting error at HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) =(PINMUX1_GPIO0_3_ENABLE | savePinmux);
Error#7 unrecognised token
and Error#29 Expected an expression
Am i making a mistake anywhere?
/**
* \file gpio_switches_leds.c
*
* \brief This is a sample application file demonstrating the use of
* a GPIO pin for input and output
*
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* 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.
*/
//#include "evmomapl138_psc.h"
#include<stdio.h>
#include "gpio.h"
#include "psc.h"
#include "soc_OMAPL138.h"
#include "lcdkOMAPL138.h"
/* HW Macros */
#include "hw_types.h"
/* System Defines */
#include "lcdkOMAPL138.h"
#include "soc_OMAPL138.h"
#include "hw_syscfg0_OMAPL138.h"
//#include "types.h"
/* Switch Configuration */
/* GP0[1] to GP0[4] is mapped to SW1[3:4] on OMAPL138/C6748 LCDK boards */
/* Pin Multiplexing bit mask to select GP0[1] to GP0[4] pin. */
#define PINMUX1_GPIO0_1_ENABLE (SYSCFG_PINMUX1_PINMUX1_27_24_GPIO0_1 << \SYSCFG_PINMUX1_PINMUX1_27_24_SHIFT)
#define PINMUX1_GPIO0_2_ENABLE (SYSCFG_PINMUX1_PINMUX1_23_20_GPIO0_2 << \SYSCFG_PINMUX1_PINMUX1_23_20_SHIFT)
#define PINMUX1_GPIO0_3_ENABLE (SYSCFG_PINMUX1_PINMUX1_19_16_GPIO0_3 << \SYSCFG_PINMUX1_PINMUX1_19_16_SHIFT)
#define PINMUX1_GPIO0_4_ENABLE (SYSCFG_PINMUX1_PINMUX1_15_12_GPIO0_4 << \SYSCFG_PINMUX1_PINMUX1_15_12_SHIFT)
/* LED Configuration */
/* GP6[12], GP6[13], GP2[12] and GP0[9] is mapped to D4, D5, D6, D7 LEDs on OMAPL138/C6748 LCDK boards */
/* Pin Multiplexing bit mask to select GP6[12] pin. */
#define PINMUX13_GPIO6_12_ENABLE (SYSCFG_PINMUX13_PINMUX13_15_12_GPIO6_12 << \SYSCFG_PINMUX13_PINMUX13_15_12_SHIFT)
/* Pin Multiplexing bit mask to select GP6[13] pin. */
#define PINMUX13_GPIO6_13_ENABLE (SYSCFG_PINMUX13_PINMUX13_11_8_GPIO6_13 << \SYSCFG_PINMUX13_PINMUX13_11_8_SHIFT)
/* Pin Multiplexing bit mask to select GP2[12] pin. */
#define PINMUX5_GPIO2_12_ENABLE (SYSCFG_PINMUX5_PINMUX5_15_12_GPIO2_12 << \SYSCFG_PINMUX5_PINMUX5_15_12_SHIFT)
/* Pin Multiplexing bit mask to select GP0[9] pin. */
#define PINMUX0_GPIO0_9_ENABLE (SYSCFG_PINMUX0_PINMUX0_27_24_GPIO0_9 << \SYSCFG_PINMUX0_PINMUX0_27_24_SHIFT)
void PinMuxSetup_leds(void)
{
unsigned int savePinmux = 0;
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX13 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(13)) &~(SYSCFG_PINMUX13_PINMUX13_15_12));
/* Setting the pins corresponding to GP6[12] in PINMUX13 register.*/
HWREG(SOC_SYSCFG_0_REGS+SYSCFG0_PINMUX(13))=(PINMUX13_GPIO6_12_ENABLE | savePinmux);
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX13 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(13)) &~(SYSCFG_PINMUX13_PINMUX13_11_8));
/* Setting the pins corresponding to GP6[13] in PINMUX13 register.*/
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(13)) =(PINMUX13_GPIO6_13_ENABLE | savePinmux);
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX5 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(5)) &~(SYSCFG_PINMUX5_PINMUX5_15_12));
/* Setting the pins corresponding to GP2[12] in PINMUX5 register.*/
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(5)) =(PINMUX5_GPIO2_12_ENABLE | savePinmux);
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX0 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(0)) &~(SYSCFG_PINMUX0_PINMUX0_27_24));
/* Setting the pins corresponding to GP0[9] in PINMUX0 register.*/
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(0)) =(PINMUX0_GPIO0_9_ENABLE | savePinmux);
}
void PinMuxSetup_switches(void)
{
unsigned int savePinmux = 0;
/* Setting the pins corresponding to GP0[1] in PINMUX1 register.*/
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX1 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) &~(SYSCFG_PINMUX1_PINMUX1_27_24));
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) =(PINMUX1_GPIO0_1_ENABLE | savePinmux);
/* Setting the pins corresponding to GP0[2] in PINMUX1 register.*/
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX1 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) &~(SYSCFG_PINMUX1_PINMUX1_23_20));
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) =(PINMUX1_GPIO0_2_ENABLE | savePinmux);
/* Setting the pins corresponding to GP0[3] in PINMUX1 register.*/
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX1 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) &~(SYSCFG_PINMUX1_PINMUX1_19_16));
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) =(PINMUX1_GPIO0_3_ENABLE | savePinmux);
/* Setting the pins corresponding to GP0[4] in PINMUX1 register.*/
/*
** Clearing the bit in context and retaining the other bit values
** in PINMUX1 register.
*/
savePinmux = (HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) &~(SYSCFG_PINMUX1_PINMUX1_15_12));
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(1)) =(PINMUX1_GPIO0_4_ENABLE | savePinmux);
}
int main(void)
{
/* The Local PSC number for GPIO is 3. GPIO belongs to PSC1 module.*/
PSCModuleControl(SOC_PSC_1_REGS, HW_PSC_GPIO, PSC_POWERDOMAIN_ALWAYS_ON,PSC_MDCTL_NEXT_ENABLE);
/* Pin Multiplexing of pins GP0[1] to GP0[4] of GPIO Bank 2 for DIP SWITCHEs in OMAPL138 LCDK board */
PinMuxSetup_switches();
/* Pin Multiplexing of pins GP6[12], GP6[13], GP2[12], GP0[9], for LEDs in OMAPL138 LCDK board */
PinMuxSetup_leds();
/* 2,3,4,5 is the GPIO no for GP0[1] to GP0[4]; Refer page no 901 in OMAPL138/C6748 TRM */
/* SWITCHEs SETUP */
/* Sets the pin 2 (GP0[1]) as input.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 2, GPIO_DIR_INPUT);
/* Sets the pin 3 (GP0[2]) as input.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 3, GPIO_DIR_INPUT);
/* Sets the pin 4 (GP0[3]) as input.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 4, GPIO_DIR_INPUT);
/* Sets the pin 5 (GP0[4]) as input.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 5, GPIO_DIR_INPUT);
/* LEDs SETUP */
/* Sets the pin 109 (GP6[12]) as output.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 109, GPIO_DIR_OUTPUT);
/* Sets the pin 110 (GP6[13]) as output.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 110, GPIO_DIR_OUTPUT);
/* Sets the pin 45 (GP2[12]) as output.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 45, GPIO_DIR_OUTPUT);
/* Sets the pin 10 (GP0[9]) as output.*/
GPIODirModeSet(SOC_GPIO_0_REGS, 10, GPIO_DIR_OUTPUT);
while(1)
{
/* 2,3,4,5 is the GPIO no for GP0[1] to GP0[4]; Refer page no 901 in OMAPL138/C6748 TRM */
if (GPIOPinRead(SOC_GPIO_0_REGS, 2))
{
GPIOPinWrite(SOC_GPIO_0_REGS, 109, GPIO_PIN_LOW);
printf("S1 is not pressed\n");
}
else
{
printf("S1 is pressed\n");
GPIOPinWrite(SOC_GPIO_0_REGS, 109, GPIO_PIN_HIGH);
}
if (GPIOPinRead(SOC_GPIO_0_REGS, 3))
{
GPIOPinWrite(SOC_GPIO_0_REGS, 110, GPIO_PIN_LOW);
printf("S2 is not pressed\n");
}
else
{
printf("S2 is pressed\n");
GPIOPinWrite(SOC_GPIO_0_REGS, 110, GPIO_PIN_HIGH);
}
if (GPIOPinRead(SOC_GPIO_0_REGS, 4))
{
GPIOPinWrite(SOC_GPIO_0_REGS, 45, GPIO_PIN_LOW);
printf("S3 is not pressed\n");
}
else
{
printf("S3 is pressed\n");
GPIOPinWrite(SOC_GPIO_0_REGS, 45, GPIO_PIN_HIGH);
}
if (GPIOPinRead(SOC_GPIO_0_REGS, 5))
{
GPIOPinWrite(SOC_GPIO_0_REGS, 10, GPIO_PIN_LOW);
printf("S4 is not pressed\n");
}
else
{
printf("S4 is pressed\n");
GPIOPinWrite(SOC_GPIO_0_REGS, 10, GPIO_PIN_HIGH);
}
}
}
