155 lines
5.1 KiB
C
155 lines
5.1 KiB
C
/*
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* Copyright (c) 2020 Texas Instruments Incorporated - http://www.ti.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "board.h"
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//*****************************************************************************
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//
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// Board Configurations
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// Initializes the rest of the modules.
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// Call this function in your application if you wish to do all module
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// initialization.
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// If you wish to not use some of the initializations, instead of the
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// Board_init use the individual Module_inits
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//
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//*****************************************************************************
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void Board_init()
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{
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EALLOW;
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PinMux_init();
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CPUTIMER_init();
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GPIO_init();
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SCI_init();
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INTERRUPT_init();
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EDIS;
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}
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//*****************************************************************************
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//
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// PINMUX Configurations
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//
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//*****************************************************************************
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void PinMux_init()
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{
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//
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// PinMux for modules assigned to CPU1
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//
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// GPIO31 -> LED_Blue Pinmux
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GPIO_setPinConfig(GPIO_31_GPIO31);
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//
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// SCIA -> mySCI0 Pinmux
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//
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GPIO_setPinConfig(mySCI0_SCIRX_PIN_CONFIG);
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GPIO_setPadConfig(mySCI0_SCIRX_GPIO, GPIO_PIN_TYPE_STD | GPIO_PIN_TYPE_PULLUP);
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GPIO_setQualificationMode(mySCI0_SCIRX_GPIO, GPIO_QUAL_ASYNC);
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GPIO_setPinConfig(mySCI0_SCITX_PIN_CONFIG);
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GPIO_setPadConfig(mySCI0_SCITX_GPIO, GPIO_PIN_TYPE_STD | GPIO_PIN_TYPE_PULLUP);
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GPIO_setQualificationMode(mySCI0_SCITX_GPIO, GPIO_QUAL_ASYNC);
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}
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//*****************************************************************************
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//
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// CPUTIMER Configurations
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//
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//*****************************************************************************
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void CPUTIMER_init(){
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myCPUTIMER0_init();
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}
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void myCPUTIMER0_init(){
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CPUTimer_setEmulationMode(myCPUTIMER0_BASE, CPUTIMER_EMULATIONMODE_STOPAFTERNEXTDECREMENT);
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CPUTimer_setPreScaler(myCPUTIMER0_BASE, 0U);
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CPUTimer_setPeriod(myCPUTIMER0_BASE, 10000U);
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CPUTimer_enableInterrupt(myCPUTIMER0_BASE);
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CPUTimer_stopTimer(myCPUTIMER0_BASE);
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CPUTimer_reloadTimerCounter(myCPUTIMER0_BASE);
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}
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//*****************************************************************************
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//
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// GPIO Configurations
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//
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//*****************************************************************************
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void GPIO_init(){
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LED_Blue_init();
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}
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void LED_Blue_init(){
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GPIO_setPadConfig(LED_Blue, GPIO_PIN_TYPE_STD);
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GPIO_setQualificationMode(LED_Blue, GPIO_QUAL_SYNC);
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GPIO_setDirectionMode(LED_Blue, GPIO_DIR_MODE_OUT);
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GPIO_setControllerCore(LED_Blue, GPIO_CORE_CPU1);
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}
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//*****************************************************************************
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//
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// INTERRUPT Configurations
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//
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//*****************************************************************************
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void INTERRUPT_init(){
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// Interrupt Settings for INT_myCPUTIMER0
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// ISR need to be defined for the registered interrupts
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Interrupt_register(INT_myCPUTIMER0, &TIMER0_ISR);
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Interrupt_enable(INT_myCPUTIMER0);
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}
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//*****************************************************************************
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//
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// SCI Configurations
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//
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//*****************************************************************************
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void SCI_init(){
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mySCI0_init();
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}
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void mySCI0_init(){
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SCI_clearInterruptStatus(mySCI0_BASE, SCI_INT_RXFF | SCI_INT_TXFF | SCI_INT_FE | SCI_INT_OE | SCI_INT_PE | SCI_INT_RXERR | SCI_INT_RXRDY_BRKDT | SCI_INT_TXRDY);
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SCI_clearOverflowStatus(mySCI0_BASE);
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SCI_resetTxFIFO(mySCI0_BASE);
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SCI_resetRxFIFO(mySCI0_BASE);
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SCI_resetChannels(mySCI0_BASE);
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SCI_setConfig(mySCI0_BASE, DEVICE_LSPCLK_FREQ, mySCI0_BAUDRATE, (SCI_CONFIG_WLEN_8|SCI_CONFIG_STOP_ONE|SCI_CONFIG_PAR_NONE));
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SCI_disableLoopback(mySCI0_BASE);
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SCI_performSoftwareReset(mySCI0_BASE);
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SCI_enableFIFO(mySCI0_BASE);
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SCI_enableModule(mySCI0_BASE);
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}
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