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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
/**
* @brief PAL setup.
* @details Digital I/O ports static configuration as defined in @p board.h.
* This variable is used by the HAL when initializing the PAL driver.
*/
#if HAL_USE_PAL || defined(__DOXYGEN__)
const PALConfig pal_default_config =
{
{VAL_GPIOAODR, VAL_GPIOACRL, VAL_GPIOACRH},
{VAL_GPIOBODR, VAL_GPIOBCRL, VAL_GPIOBCRH},
{VAL_GPIOCODR, VAL_GPIOCCRL, VAL_GPIOCCRH},
{VAL_GPIODODR, VAL_GPIODCRL, VAL_GPIODCRH},
{VAL_GPIOEODR, VAL_GPIOECRL, VAL_GPIOECRH},
};
#endif
/*
* Early initialization code.
* This initialization must be performed just after stack setup and before
* any other initialization.
*/
void __early_init(void) {
stm32_clock_init();
}
#if HAL_USE_MMC_SPI
/*
* Card detection through the card internal pull-up on D3.
*/
bool_t mmc_lld_is_card_inserted(MMCDriver *mmcp) {
static bool_t last_status = FALSE;
(void)mmcp;
if ((palReadLatch(GPIOA) & PAL_PORT_BIT(GPIOA_SPI3_CS_MMC)) == 0)
return last_status;
return last_status = (bool_t)palReadPad(GPIOA, GPIOA_SPI3_CS_MMC);
}
/*
* Card write protection detection is not possible, the card is always
* reported as not protected.
*/
bool_t mmc_lld_is_write_protected(MMCDriver *mmcp) {
(void)mmcp;
return FALSE;
}
#endif
/*
* Board-specific initialization code.
*/
void boardInit(void) {
/*
* Several I/O pins are re-mapped:
* USART3 to the PD8/PD9 pins.
* I2C1 to the PB8/PB9 pins.
* SPI3 to the PC10/PC11/PC12 pins.
*/
AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_FULLREMAP |
AFIO_MAPR_I2C1_REMAP |
AFIO_MAPR_SPI3_REMAP;
}
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