//#############################################################################
//
// FILE:   device.c
//
// TITLE:  Device setup for examples.
//
//#############################################################################
// $TI Release: F28004x Support Library v1.10.00.00 $
// $Release Date: Tue May 26 17:06:03 IST 2020 $
// $Copyright:
// Copyright (C) 2020 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.
// $
//#############################################################################

//
// Included Files
//
#include "device.h"
#include "driverlib.h"
#ifdef __cplusplus
using std::memcpy;
#endif

#define PASS 0
#define FAIL 1

uint32_t Example_PassCount = 0;
uint32_t Example_Fail = 0;

//*****************************************************************************
//
// Function to initialize the device. Primarily initializes system control to a
// known state by disabling the watchdog, setting up the SYSCLKOUT frequency,
// and enabling the clocks to the peripherals.
// The function also configures the GPIO pins 22 and 23 in digital mode.
// To configure these pins as analog pins, use the function GPIO_setAnalogMode
//
//*****************************************************************************
void Device_init(void)
{
    //
    // Disable the watchdog
    //
    SysCtl_disableWatchdog();

#ifdef _FLASH
    //
    // Copy time critical code and flash setup code to RAM. This includes the
    // following functions: InitFlash();
    //
    // The RamfuncsLoadStart, RamfuncsLoadSize, and RamfuncsRunStart symbols
    // are created by the linker. Refer to the device .cmd file.
    //
    memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (size_t)&RamfuncsLoadSize);

    //
    // Call Flash Initialization to setup flash waitstates. This function must
    // reside in RAM.
    //
    Flash_initModule(FLASH0CTRL_BASE, FLASH0ECC_BASE, DEVICE_FLASH_WAITSTATES);
#endif

    //
    // Set up PLL control and clock dividers
    //
    SysCtl_setClock(DEVICE_SETCLOCK_CFG);

    //
    // Make sure the LSPCLK divider is set to the default (divide by 4)
    //
    SysCtl_setLowSpeedClock(SYSCTL_LSPCLK_PRESCALE_4);

    //
    // These asserts will check that the #defines for the clock rates in
    // device.h match the actual rates that have been configured. If they do
    // not match, check that the calculations of DEVICE_SYSCLK_FREQ and
    // DEVICE_LSPCLK_FREQ are accurate. Some examples will not perform as
    // expected if these are not correct.
    //
    ASSERT(SysCtl_getClock(DEVICE_OSCSRC_FREQ) == DEVICE_SYSCLK_FREQ);
    ASSERT(SysCtl_getLowSpeedClock(DEVICE_OSCSRC_FREQ) == DEVICE_LSPCLK_FREQ);

#ifndef _FLASH
    //
    // Call Device_cal function when run using debugger
    // This function is called as part of the Boot code. The function is called
    // in the Device_init function since during debug time resets, the boot code
    // will not be executed and the gel script will reinitialize all the
    // registers and the calibrated values will be lost.
    // Sysctl_deviceCal is a wrapper function for Device_Cal
    //
    SysCtl_deviceCal();
#endif

    //
    // Turn on all peripherals
    //
    Device_enableAllPeripherals();
    
    //
    //Disable DC DC in Analog block
    //
    ASysCtl_disableDCDC();

    //
    //Configure GPIO in Push Pull,Output Mode
    //
    GPIO_setPadConfig(22U, GPIO_PIN_TYPE_STD);
    GPIO_setPadConfig(23U, GPIO_PIN_TYPE_STD);
    GPIO_setDirectionMode(22U, GPIO_DIR_MODE_OUT);
    GPIO_setDirectionMode(23U, GPIO_DIR_MODE_OUT);

    //
    // Configure GPIO22 and GPIO23 as digital pins
    //
    GPIO_setAnalogMode(22U, GPIO_ANALOG_DISABLED);
    GPIO_setAnalogMode(23U, GPIO_ANALOG_DISABLED);
}

//*****************************************************************************
//
// Function to turn on all peripherals, enabling reads and writes to the
// peripherals' registers.
//
// Note that to reduce power, unused peripherals should be disabled.
//
//*****************************************************************************
void Device_enableAllPeripherals(void)
{
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CLA1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DMA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER0);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TIMER2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_HRPWM);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TBCLKSYNC);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM3);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM4);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM5);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM6);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM7);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM8);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP3);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP4);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP5);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP6);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ECAP7);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EQEP1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EQEP2);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SD1);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCIA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCIB);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SPIA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SPIB);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_I2CA);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CANA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CANB);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCB);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCC);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS3);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS4);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS5);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS6);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CMPSS7);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA3);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA4);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA5);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA6);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PGA7);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DACA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DACB);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_LINA);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_PMBUSA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_FSITXA);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_FSIRXA);

    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CLB1);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CLB2);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CLB3);
    SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CLB4);
}

//*****************************************************************************
//
// Function to disable pin locks and enable pullups on GPIOs.
//
//*****************************************************************************
void Device_initGPIO(void)
{
    //
    // Disable pin locks.
    //
    GPIO_unlockPortConfig(GPIO_PORT_A, 0xFFFFFFFF);
    GPIO_unlockPortConfig(GPIO_PORT_B, 0xFFFFFFFF);
    GPIO_unlockPortConfig(GPIO_PORT_H, 0xFFFFFFFF);
}

//*****************************************************************************
//
// Error handling function to be called when an ASSERT is violated
//
//*****************************************************************************
void __error__(char *filename, uint32_t line)
{
    //
    // An ASSERT condition was evaluated as false. You can use the filename and
    // line parameters to determine what went wrong.
    //
    ESTOP0;
}
