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//*****************************************************************************
//
// pinout.c - Function to configure the device pins on the DK-TM4C129X.
//
// Copyright (c) 2013-2014 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 2.1.0.12573 of the DK-TM4C129X Firmware Package.
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_gpio.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/gpio.h"
#include "driverlib/pin_map.h"
#include "driverlib/rom.h"
#include "driverlib/sysctl.h"
#include "drivers/pinout.h"
//*****************************************************************************
//
//! \addtogroup pinout_api
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
//! Configures the device pins for the standard usages on the DK-TM4C129X.
//!
//! This function enables the GPIO modules and configures the device pins for
//! the default, standard usages on the DK-TM4C129X. Applications that require
//! alternate configurations of the device pins can either not call this
//! function and take full responsibility for configuring all the device pins,
//! or can reconfigure the required device pins after calling this function.
//!
//! \return None.
//
//*****************************************************************************
void
PinoutSet(void)
{
//
// Enable all the GPIO peripherals.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOJ);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOK);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOM);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPION);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOP);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOQ);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOR);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOS);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOT);
//
// PA0-1 are used for UART0.
//
ROM_GPIOPinConfigure(GPIO_PA0_U0RX);
ROM_GPIOPinConfigure(GPIO_PA1_U0TX);
ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// PA2-5 are used for SSI0 to the second booster pack.
//
ROM_GPIOPinConfigure(GPIO_PA2_SSI0CLK);
ROM_GPIOPinConfigure(GPIO_PA3_SSI0FSS);
ROM_GPIOPinConfigure(GPIO_PA4_SSI0XDAT0);
ROM_GPIOPinConfigure(GPIO_PA5_SSI0XDAT1);
//
// PB0-1/PD6-7/PL6-7 are used for USB.
//
HWREG(GPIO_PORTD_BASE + GPIO_O_LOCK) = GPIO_LOCK_KEY;
HWREG(GPIO_PORTD_BASE + GPIO_O_CR) = 0xff;
ROM_GPIOPinConfigure(GPIO_PD6_USB0EPEN);
ROM_GPIOPinConfigure(GPIO_PD7_USB0PFLT);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTD_BASE, GPIO_PIN_6 | GPIO_PIN_7);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTL_BASE, GPIO_PIN_6 | GPIO_PIN_7);
//
// PB2/PD4 are used for the speaker output.
//
ROM_GPIOPinConfigure(GPIO_PB2_T5CCP0);
ROM_GPIOPinTypeTimer(GPIO_PORTB_BASE, GPIO_PIN_2);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_4);
ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_4, 0);
//
// PB6-7 are used for I2C to the TMP100 and the EM connector.
//
ROM_GPIOPinConfigure(GPIO_PB6_I2C6SCL);
ROM_GPIOPinConfigure(GPIO_PB7_I2C6SDA);
ROM_GPIOPinTypeI2CSCL(GPIO_PORTB_BASE, GPIO_PIN_6);
ROM_GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_7);
//
// PE5/PN3/PP1 are used for the push buttons.
//
ROM_GPIOPinTypeGPIOInput(GPIO_PORTE_BASE, GPIO_PIN_5);
ROM_GPIOPinTypeGPIOInput(GPIO_PORTN_BASE, GPIO_PIN_3);
ROM_GPIOPinTypeGPIOInput(GPIO_PORTP_BASE, GPIO_PIN_1);
//
// PE7/PP7/PT2-3 are used for the touch screen.
//
HWREG(GPIO_PORTE_BASE + GPIO_O_LOCK) = GPIO_LOCK_KEY;
HWREG(GPIO_PORTE_BASE + GPIO_O_CR) = 0xff;
ROM_GPIOPinTypeGPIOInput(GPIO_PORTE_BASE, GPIO_PIN_7);
ROM_GPIOPinTypeGPIOInput(GPIO_PORTP_BASE, GPIO_PIN_7);
ROM_GPIOPinTypeGPIOInput(GPIO_PORTT_BASE, GPIO_PIN_2 | GPIO_PIN_3);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTE_BASE, GPIO_PIN_7);
ROM_GPIOPinWrite(GPIO_PORTE_BASE, GPIO_PIN_7, 0);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_7);
ROM_GPIOPinWrite(GPIO_PORTP_BASE, GPIO_PIN_7, 0);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTT_BASE, GPIO_PIN_2 | GPIO_PIN_3);
ROM_GPIOPinWrite(GPIO_PORTT_BASE, GPIO_PIN_2 | GPIO_PIN_3, 0);
//
// PF0/PF4-5/PH4/PQ0-2 are used for the SPI flash (on-board and SD card).
// PH4 selects the SD card and PQ1 selects the on-board SPI flash.
//
ROM_GPIOPinConfigure(GPIO_PF0_SSI3XDAT1);
ROM_GPIOPinConfigure(GPIO_PF4_SSI3XDAT2);
ROM_GPIOPinConfigure(GPIO_PF5_SSI3XDAT3);
ROM_GPIOPinConfigure(GPIO_PQ0_SSI3CLK);
ROM_GPIOPinConfigure(GPIO_PQ2_SSI3XDAT0);
ROM_GPIOPinTypeSSI(GPIO_PORTF_BASE, GPIO_PIN_0 | GPIO_PIN_4 | GPIO_PIN_5);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_4);
ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_4, GPIO_PIN_4);
ROM_GPIOPinTypeSSI(GPIO_PORTQ_BASE, GPIO_PIN_0 | GPIO_PIN_2);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTQ_BASE, GPIO_PIN_1);
ROM_GPIOPinWrite(GPIO_PORTQ_BASE, GPIO_PIN_1, GPIO_PIN_1);
//
// PF1/PK4/PK6 are used for Ethernet LEDs.
//
ROM_GPIOPinConfigure(GPIO_PF1_EN0LED2);
ROM_GPIOPinConfigure(GPIO_PK4_EN0LED0);
ROM_GPIOPinConfigure(GPIO_PK6_EN0LED1);
GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_1);
GPIOPinTypeEthernetLED(GPIO_PORTK_BASE, GPIO_PIN_4);
GPIOPinTypeEthernetLED(GPIO_PORTK_BASE, GPIO_PIN_6);
//
// PF6-7/PJ6/PS4-5/PR0-7 are used for the LCD.
//
ROM_GPIOPinConfigure(GPIO_PF7_LCDDATA02);
ROM_GPIOPinConfigure(GPIO_PJ6_LCDAC);
ROM_GPIOPinConfigure(GPIO_PR0_LCDCP);
ROM_GPIOPinConfigure(GPIO_PR1_LCDFP);
ROM_GPIOPinConfigure(GPIO_PR2_LCDLP);
ROM_GPIOPinConfigure(GPIO_PR3_LCDDATA03);
ROM_GPIOPinConfigure(GPIO_PR4_LCDDATA00);
ROM_GPIOPinConfigure(GPIO_PR5_LCDDATA01);
ROM_GPIOPinConfigure(GPIO_PR6_LCDDATA04);
ROM_GPIOPinConfigure(GPIO_PR7_LCDDATA05);
ROM_GPIOPinConfigure(GPIO_PS4_LCDDATA06);
ROM_GPIOPinConfigure(GPIO_PS5_LCDDATA07);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_6);
ROM_GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_6, GPIO_PIN_6);
GPIOPinTypeLCD(GPIO_PORTF_BASE, GPIO_PIN_7);
GPIOPinTypeLCD(GPIO_PORTJ_BASE, GPIO_PIN_6);
GPIOPinTypeLCD(GPIO_PORTR_BASE,
(GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 |
GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7));
GPIOPinTypeLCD(GPIO_PORTS_BASE, GPIO_PIN_4 | GPIO_PIN_5);
//
// PQ7 is used for the user LED.
//
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTQ_BASE, GPIO_PIN_7);
ROM_GPIOPinWrite(GPIO_PORTQ_BASE, GPIO_PIN_7, 0);
}
//*****************************************************************************
//
//! Configures the USB pins for ULPI connection to an external USB PHY.
//!
//! This function configures the USB ULPI pins to connect the DK-TM4C129X board
//! to an external USB PHY in ULPI mode. This allows the external PHY to act
//! as an external high-speed phy for the DK-TM4C129X. This function must be
//! called after the call to PinoutSet() to properly configure the pins.
//!
//! \return None.
//
//*****************************************************************************
#ifdef USE_ULPI
void
USBULPIPinoutSet(void)
{
//
// Enable all the peripherals that are used by the ULPI interface.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOM);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOP);
//
// ULPI Port B pins.
//
ROM_GPIOPinConfigure(GPIO_PB2_USB0STP);
ROM_GPIOPinConfigure(GPIO_PB3_USB0CLK);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTB_BASE, GPIO_PIN_2 | GPIO_PIN_3);
GPIOPadConfigSet(GPIO_PORTB_BASE, GPIO_PIN_2 | GPIO_PIN_3,
GPIO_STRENGTH_12MA, GPIO_PIN_TYPE_STD);
//
// ULPI Port P pins.
//
ROM_GPIOPinConfigure(GPIO_PP2_USB0NXT);
ROM_GPIOPinConfigure(GPIO_PP3_USB0DIR);
ROM_GPIOPinConfigure(GPIO_PP4_USB0D7);
ROM_GPIOPinConfigure(GPIO_PP5_USB0D6);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTP_BASE, GPIO_PIN_2 | GPIO_PIN_3 |
GPIO_PIN_4 | GPIO_PIN_5);
GPIOPadConfigSet(GPIO_PORTP_BASE,
GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5,
GPIO_STRENGTH_12MA, GPIO_PIN_TYPE_STD);
//
// ULPI Port L pins.
//
ROM_GPIOPinConfigure(GPIO_PL5_USB0D5);
ROM_GPIOPinConfigure(GPIO_PL4_USB0D4);
ROM_GPIOPinConfigure(GPIO_PL3_USB0D3);
ROM_GPIOPinConfigure(GPIO_PL2_USB0D2);
ROM_GPIOPinConfigure(GPIO_PL1_USB0D1);
ROM_GPIOPinConfigure(GPIO_PL0_USB0D0);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTL_BASE, GPIO_PIN_0 | GPIO_PIN_1 |
GPIO_PIN_2 | GPIO_PIN_3 |
GPIO_PIN_4 | GPIO_PIN_5);
GPIOPadConfigSet(GPIO_PORTL_BASE,
GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 |
GPIO_PIN_4 | GPIO_PIN_5,
GPIO_STRENGTH_12MA, GPIO_PIN_TYPE_STD);
//
// ULPI Port M pins used to control the external USB oscillator and the
// external USB phy on the DK-TM4C129X-DPHY board.
//
// PM1 - Enables the USB oscillator on the DK-TM4C129X-DPHY board.
// PM3 - Enables the USB phy on the DK-TM4C129X-DPHY board.
//
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_1 | GPIO_PIN_3);
ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_1 | GPIO_PIN_3, GPIO_PIN_1 |
GPIO_PIN_3);
}
#endif
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
|
