329 lines
11 KiB
C
329 lines
11 KiB
C
|
//#############################################################################
|
||
|
//
|
||
|
// FILE: device.c
|
||
|
//
|
||
|
// TITLE: Device setup for examples.
|
||
|
//
|
||
|
//#############################################################################
|
||
|
// $TI Release: F2837xD Support Library v3.05.00.00 $
|
||
|
// $Release Date: Tue Jun 26 03:15:23 CDT 2018 $
|
||
|
// $Copyright:
|
||
|
// Copyright (C) 2013-2018 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
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// 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.
|
||
|
//
|
||
|
//*****************************************************************************
|
||
|
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
|
||
|
#ifdef CPU1
|
||
|
//
|
||
|
// 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);
|
||
|
#endif
|
||
|
//
|
||
|
// Turn on all peripherals
|
||
|
//
|
||
|
Device_enableAllPeripherals();
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// 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);
|
||
|
#ifdef CPU1
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_HRPWM);
|
||
|
#endif
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_TBCLKSYNC);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_GTBCLKSYNC);
|
||
|
|
||
|
#ifdef CPU1
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EMIF1);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EMIF2);
|
||
|
#endif
|
||
|
|
||
|
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_EPWM9);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM10);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM11);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EPWM12);
|
||
|
|
||
|
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_EQEP1);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EQEP2);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_EQEP3);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SD1);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SD2);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCIA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCIB);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCIC);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SCID);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SPIA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SPIB);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_SPIC);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_I2CA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_I2CB);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CANA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_CANB);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_MCBSPA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_MCBSPB);
|
||
|
|
||
|
#ifdef CPU1
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_USBA);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_UPPA);
|
||
|
#endif
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCB);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCC);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_ADCD);
|
||
|
|
||
|
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_CMPSS8);
|
||
|
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DACA);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DACB);
|
||
|
SysCtl_enablePeripheral(SYSCTL_PERIPH_CLK_DACC);
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// Function to disable pin locks 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_C, 0xFFFFFFFF);
|
||
|
GPIO_unlockPortConfig(GPIO_PORT_D, 0xFFFFFFFF);
|
||
|
GPIO_unlockPortConfig(GPIO_PORT_E, 0xFFFFFFFF);
|
||
|
GPIO_unlockPortConfig(GPIO_PORT_F, 0xFFFFFFFF);
|
||
|
|
||
|
//
|
||
|
// Enable GPIO Pullups
|
||
|
//
|
||
|
Device_enableUnbondedGPIOPullups();
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// Function to enable pullups for the unbonded GPIOs on the 176PTP package:
|
||
|
// GPIOs Grp Bits
|
||
|
// 95-132 C 31
|
||
|
// D 31:0
|
||
|
// E 4:0
|
||
|
// 134-168 E 31:6
|
||
|
// F 8:0
|
||
|
//
|
||
|
//*****************************************************************************
|
||
|
|
||
|
void Device_enableUnbondedGPIOPullupsFor176Pin(void)
|
||
|
{
|
||
|
EALLOW;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPCPUD) = ~0x80000000U;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPDPUD) = ~0xFFFFFFF7U;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPEPUD) = ~0xFFFFFFDFU;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPFPUD) = ~0x000001FFU;
|
||
|
EDIS;
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// Function to enable pullups for the unbonded GPIOs on the 100PZ package:
|
||
|
// GPIOs Grp Bits
|
||
|
// 0-1 A 1:0
|
||
|
// 5-9 A 9:5
|
||
|
// 22-40 A 31:22
|
||
|
// B 8:0
|
||
|
// 44-57 B 25:12
|
||
|
// 67-68 C 4:3
|
||
|
// 74-77 C 13:10
|
||
|
// 79-83 C 19:15
|
||
|
// 93-168 C 31:29
|
||
|
// D 31:0
|
||
|
// E 31:0
|
||
|
// F 8:0
|
||
|
//
|
||
|
//*****************************************************************************
|
||
|
void Device_enableUnbondedGPIOPullupsFor100Pin(void)
|
||
|
{
|
||
|
EALLOW;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPAPUD) = ~0xFFC003E3U;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPBPUD) = ~0x03FFF1FFU;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPCPUD) = ~0xE10FBC18U;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPDPUD) = ~0xFFFFFFF7U;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPEPUD) = ~0xFFFFFFFFU;
|
||
|
HWREG(GPIOCTRL_BASE + GPIO_O_GPFPUD) = ~0x000001FFU;
|
||
|
EDIS;
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// Function to enable pullups for the unbonded GPIOs on the 100PZ or
|
||
|
// 176PTP package.
|
||
|
//
|
||
|
//*****************************************************************************
|
||
|
void Device_enableUnbondedGPIOPullups(void)
|
||
|
{
|
||
|
//
|
||
|
// bits 8-10 have pin count
|
||
|
//
|
||
|
uint16_t pinCount = ((HWREG(DEVCFG_BASE + SYSCTL_O_PARTIDL) &
|
||
|
(uint32_t)SYSCTL_PARTIDL_PIN_COUNT_M) >>
|
||
|
SYSCTL_PARTIDL_PIN_COUNT_S);
|
||
|
|
||
|
/*
|
||
|
* 5 = 100 pin
|
||
|
* 6 = 176 pin
|
||
|
* 7 = 337 pin
|
||
|
*/
|
||
|
if(pinCount == 5)
|
||
|
{
|
||
|
Device_enableUnbondedGPIOPullupsFor100Pin();
|
||
|
}
|
||
|
else if(pinCount == 6)
|
||
|
{
|
||
|
Device_enableUnbondedGPIOPullupsFor176Pin();
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
//
|
||
|
// Do nothing - this is 337 pin package
|
||
|
//
|
||
|
}
|
||
|
}
|
||
|
|
||
|
//*****************************************************************************
|
||
|
//
|
||
|
// 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;
|
||
|
}
|