113 lines
4.6 KiB
C
113 lines
4.6 KiB
C
/************************************************************************************//**
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* \file Demo/ARMCM3_EFM32_Olimex_EM32G880F128STK_Crossworks/Prog/main.c
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* \brief Demo program application source file.
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* \ingroup Prog_ARMCM3_EFM32_Olimex_EM32G880F128STK_Crossworks
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* \internal
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*----------------------------------------------------------------------------------------
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* C O P Y R I G H T
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*----------------------------------------------------------------------------------------
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* Copyright (c) 2012 by Feaser http://www.feaser.com All rights reserved
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*
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*----------------------------------------------------------------------------------------
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* L I C E N S E
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*----------------------------------------------------------------------------------------
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* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You have received a copy of the GNU General Public License along with OpenBLT. It
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* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
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*
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* \endinternal
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****************************************************************************************/
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/****************************************************************************************
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* Include files
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****************************************************************************************/
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#include "header.h" /* generic header */
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/****************************************************************************************
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* Function prototypes
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****************************************************************************************/
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static void Init(void);
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/************************************************************************************//**
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** \brief This is the entry point for the bootloader application and is called
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** by the reset interrupt vector after the C-startup routines executed.
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** \return Program return code.
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**
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****************************************************************************************/
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int main(void)
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{
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/* initialize the microcontroller */
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Init();
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/* initialize the bootloader interface */
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BootComInit();
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/* start the infinite program loop */
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while (1)
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{
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/* toggle LED with a fixed frequency */
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LedToggle();
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/* check for bootloader activation request */
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BootComCheckActivationRequest();
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}
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/* program should never get here */
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return 0;
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} /*** end of main ***/
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/************************************************************************************//**
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** \brief Initializes the microcontroller.
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** \return none.
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**
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****************************************************************************************/
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static void Init(void)
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{
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/* initialize the system and its clocks */
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SystemInit();
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/* handle chip errate workarounds */
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CHIP_Init();
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/* enable the low frequency crystal oscillator */
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CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
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/* turn on clocking of all the modules */
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CMU->HFCORECLKEN0 |= 0x0F;
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CMU->HFPERCLKEN0 |= 0xFFFF;
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/* disable clocking of the modules that are not in use */
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CMU_ClockEnable(cmuClock_AES, false);
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CMU_ClockEnable(cmuClock_DMA, false);
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CMU_ClockEnable(cmuClock_EBI, false);
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CMU_ClockEnable(cmuClock_PRS, false);
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CMU_ClockEnable(cmuClock_USART0, false);
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CMU_ClockEnable(cmuClock_USART1, false);
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CMU_ClockEnable(cmuClock_USART2, false);
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CMU_ClockEnable(cmuClock_UART0, false);
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CMU_ClockEnable(cmuClock_ACMP0, false);
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CMU_ClockEnable(cmuClock_ACMP1, false);
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CMU_ClockEnable(cmuClock_DAC0, false);
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CMU_ClockEnable(cmuClock_ADC0, false);
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CMU_ClockEnable(cmuClock_I2C0, false);
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CMU_ClockEnable(cmuClock_VCMP, false);
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#if (BOOT_COM_RS232_ENABLE > 0)
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/* enable power to U2 (RS232_PWR_E) */
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GPIO_PinModeSet(gpioPortB, 9, gpioModePushPullDrive, 1);
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/* set port B outputs to drive up to 20 mA */
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GPIO_DriveModeSet(gpioPortB, gpioDriveModeHigh);
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#endif
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/* init the led driver */
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LedInit();
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/* init the timer driver */
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TimerInit();
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} /*** end of Init ***/
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/*********************************** end of main.c *************************************/
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