diff options
author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-08-09 10:15:25 +0000 |
---|---|---|
committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-08-09 10:15:25 +0000 |
commit | 1bcc0f1dc26c3358ca0c17f0b52e8b44dbc89d42 (patch) | |
tree | ba16188b80e3ed6bceac77805ff42349987a55d4 /os/hal/platforms/STM32L1xx/pal_lld.c | |
parent | 0752e9d7e973161c32e4b667c7a8d06c68b0a9eb (diff) | |
download | ChibiOS-1bcc0f1dc26c3358ca0c17f0b52e8b44dbc89d42.tar.gz ChibiOS-1bcc0f1dc26c3358ca0c17f0b52e8b44dbc89d42.tar.bz2 ChibiOS-1bcc0f1dc26c3358ca0c17f0b52e8b44dbc89d42.zip |
I2C. Syncing with trunk (step 2)
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@3216 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32L1xx/pal_lld.c')
-rw-r--r-- | os/hal/platforms/STM32L1xx/pal_lld.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/os/hal/platforms/STM32L1xx/pal_lld.c b/os/hal/platforms/STM32L1xx/pal_lld.c deleted file mode 100644 index ee32d5dbc..000000000 --- a/os/hal/platforms/STM32L1xx/pal_lld.c +++ /dev/null @@ -1,193 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011 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/>.
-*/
-
-/**
- * @file STM32/pal_lld.c
- * @brief STM32 GPIO low level driver code.
- *
- * @addtogroup PAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_PAL || defined(__DOXYGEN__)
-
-#if STM32_HAS_GPIOG
-#define APB2_EN_MASK (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | \
- RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN | \
- RCC_APB2ENR_IOPEEN | RCC_APB2ENR_IOPFEN | \
- RCC_APB2ENR_IOPGEN | RCC_APB2ENR_AFIOEN)
-#elif STM32_HAS_GPIOE
-#define APB2_EN_MASK (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | \
- RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN | \
- RCC_APB2ENR_IOPEEN | RCC_APB2ENR_AFIOEN)
-#else
-#define APB2_EN_MASK (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | \
- RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN | \
- RCC_APB2ENR_AFIOEN)
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void initgpio(GPIO_TypeDef *gpiop, const stm32_gpio_setup_t *config) {
-
- gpiop->MODER = config->moder;
- gpiop->OTYPER = config->otyper;
- gpiop->OSPEEDR = config->ospeedr;
- gpiop->PUPDR = config->pupdr;
- gpiop->ODR = config->odr;
- gpiop->AFRL = 0;
- gpiop->AFRH = 0;
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief STM32 I/O ports configuration.
- * @details Ports A-D(E, F, G) clocks enabled, AFIO clock enabled.
- *
- * @param[in] config the STM32 ports configuration
- *
- * @notapi
- */
-void _pal_lld_init(const PALConfig *config) {
-
- /*
- * Enables the GPIO related clocks.
- */
- RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN |
- RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN |
- RCC_AHBENR_GPIOEEN | RCC_AHBENR_GPIOHEN;
- RCC->AHBLPENR |= RCC_AHBLPENR_GPIOALPEN | RCC_AHBLPENR_GPIOBLPEN |
- RCC_AHBLPENR_GPIOCLPEN | RCC_AHBLPENR_GPIODLPEN |
- RCC_AHBLPENR_GPIOELPEN | RCC_AHBLPENR_GPIOHLPEN;
-
- /*
- * Initial GPIO setup.
- */
- initgpio(GPIOA, &config->PAData);
- initgpio(GPIOB, &config->PBData);
- initgpio(GPIOC, &config->PCData);
- initgpio(GPIOD, &config->PDData);
-#if STM32_HAS_GPIOE
- initgpio(GPIOE, &config->PEData);
-#endif
-#if STM32_HAS_GPIOF
- initgpio(GPIOF, &config->PFData);
-#endif
-#if STM32_HAS_GPIOG
- initgpio(GPIOG, &config->PGData);
-#endif
-#if STM32_HAS_GPIOH
- initgpio(GPIOH, &config->PHData);
-#endif
-}
-
-/**
- * @brief Pads mode setup.
- * @details This function programs a pads group belonging to the same port
- * with the specified mode.
- * @note This function is not meant to be invoked directly by the
- * application code.
- * @note @p PAL_MODE_UNCONNECTED is implemented as push pull output at 2MHz.
- * @note Writing on pads programmed as pull-up or pull-down has the side
- * effect to modify the resistor setting because the output latched
- * data is used for the resistor selection.
- *
- * @param[in] port the port identifier
- * @param[in] mask the group mask
- * @param[in] mode the mode
- *
- * @notapi
- */
-void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- uint_fast8_t mode) {
-#if 0
- static const uint8_t cfgtab[] = {
- 4, /* PAL_MODE_RESET, implemented as input.*/
- 2, /* PAL_MODE_UNCONNECTED, implemented as push pull output 2MHz.*/
- 4, /* PAL_MODE_INPUT */
- 8, /* PAL_MODE_INPUT_PULLUP */
- 8, /* PAL_MODE_INPUT_PULLDOWN */
- 0, /* PAL_MODE_INPUT_ANALOG */
- 3, /* PAL_MODE_OUTPUT_PUSHPULL, 50MHz.*/
- 7, /* PAL_MODE_OUTPUT_OPENDRAIN, 50MHz.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 8, /* Reserved.*/
- 0xB, /* PAL_MODE_STM32_ALTERNATE_PUSHPULL, 50MHz.*/
- 0xF, /* PAL_MODE_STM32_ALTERNATE_OPENDRAIN, 50MHz.*/
- };
- uint32_t mh, ml, crh, crl, cfg;
- unsigned i;
-
- if (mode == PAL_MODE_INPUT_PULLUP)
- port->BSRR = mask;
- else if (mode == PAL_MODE_INPUT_PULLDOWN)
- port->BRR = mask;
- cfg = cfgtab[mode];
- mh = ml = crh = crl = 0;
- for (i = 0; i < 8; i++) {
- ml <<= 4;
- mh <<= 4;
- crl <<= 4;
- crh <<= 4;
- if ((mask & 0x0080) == 0)
- ml |= 0xf;
- else
- crl |= cfg;
- if ((mask & 0x8000) == 0)
- mh |= 0xf;
- else
- crh |= cfg;
- mask <<= 1;
- }
- port->CRH = (port->CRH & mh) | crh;
- port->CRL = (port->CRL & ml) | crl;
-#endif
-}
-
-#endif /* HAL_USE_PAL */
-
-/** @} */
|