rt-thread/bsp/tms320f28379d/libraries/common/source/device.c

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//#############################################################################
//
// 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;
}