138 lines
4.8 KiB
C
138 lines
4.8 KiB
C
//#############################################################################
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//
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// FILE: cm.c
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//
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// TITLE: Communication manager setup for examples.
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//
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//#############################################################################
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//
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//
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// $Copyright:
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// Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com
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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
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// 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
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//#############################################################################
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//
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// Included Files
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//
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#include "cm.h"
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//*****************************************************************************
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//
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// Function to initialize the device. Primarily initializes system control to a
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// known state by disabling the watchdog and enabling the clocks to the peripherals.
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//
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//*****************************************************************************
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void CM_init(void)
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{
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//
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// Disable the watchdog
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//
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SysCtl_disableWatchdog();
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#ifdef _FLASH
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//
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// Copy time critical code and flash setup code to RAM. This includes the
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// following functions: InitFlash();
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//
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// The RamfuncsLoadStart, RamfuncsLoadSize, and RamfuncsRunStart symbols
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// are created by the linker. Refer to the device .cmd file.
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//
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memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (size_t)&RamfuncsLoadSize);
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//
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// Call Flash Initialization to setup flash waitstates. This function must
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// reside in RAM.
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//
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Flash_initModule(FLASH0CTRL_BASE, FLASH0ECC_BASE, DEVICE_FLASH_WAITSTATES);
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#endif
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//
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// Turn on all peripherals
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//
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CM_enableAllPeripherals();
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//
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// Sets the NVIC vector table offset address.
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//
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#ifdef _FLASH
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Interrupt_setVectorTableOffset((uint32_t)vectorTableFlash);
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#else
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Interrupt_setVectorTableOffset((uint32_t)vectorTableRAM);
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#endif
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}
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//*****************************************************************************
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//
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// Function to turn on all peripherals, enabling reads and writes to the
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// peripherals' registers.
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//
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// Note that to reduce power, unused peripherals should be disabled.
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//
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//*****************************************************************************
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void CM_enableAllPeripherals(void)
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{
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_UART0);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SSI0);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_I2C0);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_USB);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ENET);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAT);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CAN_A);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CAN_B);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_MCAN_A);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER0);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER1);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER2);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_UDMA);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_AESIP);
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SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_GCRC);
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}
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//*****************************************************************************
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//
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// Error handling function to be called when an ASSERT is violated
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//
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//*****************************************************************************
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void __error__(const char *filename, uint32_t line)
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{
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//
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// An ASSERT condition was evaluated as false. You can use the filename and
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// line parameters to determine what went wrong.
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//
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__asm(" bkpt #0");
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}
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