EK-TM4C123GH6PM-UART3/UART4/UART5/UART7小练

UART4小练

//*****************************************************************************
//
// bitband.c - Bit-band manipulation example.
//
// Copyright (c) 2012-2017 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 2.1.4.178 of the EK-TM4C123GXL Firmware Package.
//
//*****************************************************************************

#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/gpio.h"
#include "driverlib/fpu.h"
#include "driverlib/pin_map.h"
#include "driverlib/sysctl.h"
#include "driverlib/systick.h"
#include "driverlib/rom.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"

//*****************************************************************************
//
//! \addtogroup example_list
//! <h1>Bit-Banding (bitband)</h1>
//!
//! This example application demonstrates the use of the bit-banding
//! capabilities of the Cortex-M4F microprocessor.  All of SRAM and all of the
//! peripherals reside within bit-band regions, meaning that bit-banding
//! operations can be applied to any of them.  In this example, a variable in
//! SRAM is set to a particular value one bit at a time using bit-banding
//! operations (it would be more efficient to do a single non-bit-banded write;
//! this simply demonstrates the operation of bit-banding).
//
//*****************************************************************************


//*****************************************************************************
//
// The value that is to be modified via bit-banding.
//
//*****************************************************************************
static volatile uint32_t g_ui32Value;

//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
    while(1)
    {
        //
        // Hang on runtime error.
        //
    }
}
#endif


//*****************************************************************************
//
// Configure the UART and its pins.  This must be called before UARTprintf().
//
//*****************************************************************************
//void
//ConfigureUART3(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART3);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART3)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PC6_U3RX);
//    ROM_GPIOPinConfigure(GPIO_PC7_U3TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_6 | GPIO_PIN_7);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART3_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART3_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART3_BASE);
//}


void
ConfigureUART4(void)
{
    // Enable GPIOC
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
    //
    // Enable UART1
    //
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART4);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART4)));


    //
    // Configure GPIO Pins for UART mode.
    //
    ROM_GPIOPinConfigure(GPIO_PC4_U4RX);
    ROM_GPIOPinConfigure(GPIO_PC5_U4TX);
    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_4 | GPIO_PIN_5);




    //
    // Use the internal 16MHz oscillator as the UART clock source.
    //
    UARTClockSourceSet(UART4_BASE, UART_CLOCK_PIOSC);
    UARTConfigSetExpClk(UART4_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
    UARTEnable(UART4_BASE);
}

//*****************************************************************************
//
// This example demonstrates the use of bit-banding to set individual bits
// within a word of SRAM.
//
//*****************************************************************************
int
main(void)
{

    //
    // Set the clocking to run directly from the crystal.
    //
    ROM_SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                       SYSCTL_XTAL_16MHZ);

    //
    // Initialize the UART interface.
    //
    ConfigureUART4();


    //
    // Loop forever.
    //
    while(1)
    {
        UARTCharPut(UART4_BASE,0xAA);
    }
}

UART5小练

//*****************************************************************************
//
// bitband.c - Bit-band manipulation example.
//
// Copyright (c) 2012-2017 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 2.1.4.178 of the EK-TM4C123GXL Firmware Package.
//
//*****************************************************************************

#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/gpio.h"
#include "driverlib/fpu.h"
#include "driverlib/pin_map.h"
#include "driverlib/sysctl.h"
#include "driverlib/systick.h"
#include "driverlib/rom.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"

//*****************************************************************************
//
//! \addtogroup example_list
//! <h1>Bit-Banding (bitband)</h1>
//!
//! This example application demonstrates the use of the bit-banding
//! capabilities of the Cortex-M4F microprocessor.  All of SRAM and all of the
//! peripherals reside within bit-band regions, meaning that bit-banding
//! operations can be applied to any of them.  In this example, a variable in
//! SRAM is set to a particular value one bit at a time using bit-banding
//! operations (it would be more efficient to do a single non-bit-banded write;
//! this simply demonstrates the operation of bit-banding).
//
//*****************************************************************************


//*****************************************************************************
//
// The value that is to be modified via bit-banding.
//
//*****************************************************************************
static volatile uint32_t g_ui32Value;

//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
    while(1)
    {
        //
        // Hang on runtime error.
        //
    }
}
#endif


//*****************************************************************************
//
// Configure the UART and its pins.  This must be called before UARTprintf().
//
//*****************************************************************************
//void
//ConfigureUART3(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART3);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART3)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PC6_U3RX);
//    ROM_GPIOPinConfigure(GPIO_PC7_U3TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_6 | GPIO_PIN_7);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART3_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART3_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART3_BASE);
//}


//void
//ConfigureUART4(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART4);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART4)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PC4_U4RX);
//    ROM_GPIOPinConfigure(GPIO_PC5_U4TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_4 | GPIO_PIN_5);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART4_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART4_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART4_BASE);
//}

void
ConfigureUART5(void)
{
    // Enable GPIOC
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOE)));
    //
    // Enable UART1
    //
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART5);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART5)));


    //
    // Configure GPIO Pins for UART mode.
    //
    ROM_GPIOPinConfigure(GPIO_PE4_U5RX);
    ROM_GPIOPinConfigure(GPIO_PE5_U5TX);
    ROM_GPIOPinTypeUART(GPIO_PORTE_BASE, GPIO_PIN_4 | GPIO_PIN_5);




    //
    // Use the internal 16MHz oscillator as the UART clock source.
    //
    UARTClockSourceSet(UART5_BASE, UART_CLOCK_PIOSC);
    UARTConfigSetExpClk(UART5_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
    UARTEnable(UART5_BASE);
}
//*****************************************************************************
//
// This example demonstrates the use of bit-banding to set individual bits
// within a word of SRAM.
//
//*****************************************************************************
int
main(void)
{

    //
    // Set the clocking to run directly from the crystal.
    //
    ROM_SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                       SYSCTL_XTAL_16MHZ);

    //
    // Initialize the UART interface.
    //
    ConfigureUART5();


    //
    // Loop forever.
    //
    while(1)
    {
        UARTCharPut(UART5_BASE,0xAA);
    }
}

UART7小练

//*****************************************************************************
//
// bitband.c - Bit-band manipulation example.
//
// Copyright (c) 2012-2017 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 2.1.4.178 of the EK-TM4C123GXL Firmware Package.
//
//*****************************************************************************

#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/gpio.h"
#include "driverlib/fpu.h"
#include "driverlib/pin_map.h"
#include "driverlib/sysctl.h"
#include "driverlib/systick.h"
#include "driverlib/rom.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"

//*****************************************************************************
//
//! \addtogroup example_list
//! <h1>Bit-Banding (bitband)</h1>
//!
//! This example application demonstrates the use of the bit-banding
//! capabilities of the Cortex-M4F microprocessor.  All of SRAM and all of the
//! peripherals reside within bit-band regions, meaning that bit-banding
//! operations can be applied to any of them.  In this example, a variable in
//! SRAM is set to a particular value one bit at a time using bit-banding
//! operations (it would be more efficient to do a single non-bit-banded write;
//! this simply demonstrates the operation of bit-banding).
//
//*****************************************************************************


//*****************************************************************************
//
// The value that is to be modified via bit-banding.
//
//*****************************************************************************
static volatile uint32_t g_ui32Value;

//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
    while(1)
    {
        //
        // Hang on runtime error.
        //
    }
}
#endif


//*****************************************************************************
//
// Configure the UART and its pins.  This must be called before UARTprintf().
//
//*****************************************************************************
//void
//ConfigureUART3(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART3);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART3)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PC6_U3RX);
//    ROM_GPIOPinConfigure(GPIO_PC7_U3TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_6 | GPIO_PIN_7);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART3_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART3_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART3_BASE);
//}


//void
//ConfigureUART4(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOC)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART4);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART4)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PC4_U4RX);
//    ROM_GPIOPinConfigure(GPIO_PC5_U4TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_4 | GPIO_PIN_5);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART4_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART4_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART4_BASE);
//}

//void
//ConfigureUART5(void)
//{
//    // Enable GPIOC
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOE)));
//    //
//    // Enable UART1
//    //
//    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART5);
//    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART5)));
//
//
//    //
//    // Configure GPIO Pins for UART mode.
//    //
//    ROM_GPIOPinConfigure(GPIO_PE4_U5RX);
//    ROM_GPIOPinConfigure(GPIO_PE5_U5TX);
//    ROM_GPIOPinTypeUART(GPIO_PORTE_BASE, GPIO_PIN_4 | GPIO_PIN_5);
//
//
//
//
//    //
//    // Use the internal 16MHz oscillator as the UART clock source.
//    //
//    UARTClockSourceSet(UART5_BASE, UART_CLOCK_PIOSC);
//    UARTConfigSetExpClk(UART5_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
//    UARTEnable(UART5_BASE);
//}

void
ConfigureUART7(void)
{
    // Enable GPIOC
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOE)));
    //
    // Enable UART1
    //
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART7);
    while(!(SysCtlPeripheralReady(SYSCTL_PERIPH_UART7)));


    //
    // Configure GPIO Pins for UART mode.
    //
    ROM_GPIOPinConfigure(GPIO_PE0_U7RX);
    ROM_GPIOPinConfigure(GPIO_PE1_U7TX);
    ROM_GPIOPinTypeUART(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1);




    //
    // Use the internal 16MHz oscillator as the UART clock source.
    //
    UARTClockSourceSet(UART7_BASE, UART_CLOCK_PIOSC);
    UARTConfigSetExpClk(UART7_BASE,16000000,115200,UART_CONFIG_PAR_NONE|UART_CONFIG_STOP_ONE|UART_CONFIG_WLEN_8);
    UARTEnable(UART7_BASE);
}
//*****************************************************************************
//
// This example demonstrates the use of bit-banding to set individual bits
// within a word of SRAM.
//
//*****************************************************************************
int
main(void)
{

    //
    // Set the clocking to run directly from the crystal.
    //
    ROM_SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                       SYSCTL_XTAL_16MHZ);

    //
    // Initialize the UART interface.
    //
    ConfigureUART7();


    //
    // Loop forever.
    //
    while(1)
    {
        UARTCharPut(UART7_BASE,0xAA);
    }
}