diff options
Diffstat (limited to 'os/hal/platforms/STM32/GPIOv2/pal_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/GPIOv2/pal_lld.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/os/hal/platforms/STM32/GPIOv2/pal_lld.c b/os/hal/platforms/STM32/GPIOv2/pal_lld.c deleted file mode 100644 index a082842bc..000000000 --- a/os/hal/platforms/STM32/GPIOv2/pal_lld.c +++ /dev/null @@ -1,238 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file STM32/GPIOv2/pal_lld.c
- * @brief STM32L1xx/STM32F2xx/STM32F4xx GPIO low level driver code.
- *
- * @addtogroup PAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_PAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-#if defined(STM32L1XX_MD)
-#define AHB_EN_MASK (RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | \
- RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN | \
- RCC_AHBENR_GPIOEEN | RCC_AHBENR_GPIOHEN)
-#define AHB_LPEN_MASK AHB_EN_MASK
-#elif defined(STM32F0XX)
-#define AHB_EN_MASK (RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | \
- RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN | \
- RCC_AHBENR_GPIOFEN)
-#elif defined(STM32F2XX)
-#define AHB1_EN_MASK (RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | \
- RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN | \
- RCC_AHB1ENR_GPIOEEN | RCC_AHB1ENR_GPIOFEN | \
- RCC_AHB1ENR_GPIOGEN | RCC_AHB1ENR_GPIOHEN | \
- RCC_AHB1ENR_GPIOIEN)
-#define AHB1_LPEN_MASK AHB1_EN_MASK
-#elif defined(STM32F30X) || defined(STM32F37X)
-#define AHB_EN_MASK (RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | \
- RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN | \
- RCC_AHBENR_GPIOEEN | RCC_AHBENR_GPIOFEN)
-#elif defined(STM32F4XX)
-#define AHB1_EN_MASK (RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | \
- RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN | \
- RCC_AHB1ENR_GPIOEEN | RCC_AHB1ENR_GPIOFEN | \
- RCC_AHB1ENR_GPIOGEN | RCC_AHB1ENR_GPIOHEN | \
- RCC_AHB1ENR_GPIOIEN)
-#define AHB1_LPEN_MASK AHB1_EN_MASK
-#else
-#error "missing or unsupported platform for GPIOv2 PAL driver"
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void initgpio(GPIO_TypeDef *gpiop, const stm32_gpio_setup_t *config) {
-
- gpiop->OTYPER = config->otyper;
- gpiop->OSPEEDR = config->ospeedr;
- gpiop->PUPDR = config->pupdr;
- gpiop->ODR = config->odr;
- gpiop->AFRL = config->afrl;
- gpiop->AFRH = config->afrh;
- gpiop->MODER = config->moder;
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief STM32 I/O ports configuration.
- * @details Ports A-D(E, F, G, H) clocks enabled.
- *
- * @param[in] config the STM32 ports configuration
- *
- * @notapi
- */
-void _pal_lld_init(const PALConfig *config) {
-
- /*
- * Enables the GPIO related clocks.
- */
-#if defined(STM32L1XX_MD)
- rccEnableAHB(AHB_EN_MASK, TRUE);
- RCC->AHBLPENR |= AHB_LPEN_MASK;
-#elif defined(STM32F0XX)
- rccEnableAHB(AHB_EN_MASK, TRUE);
-#elif defined(STM32F30X) || defined(STM32F37X)
- rccEnableAHB(AHB_EN_MASK, TRUE);
-#elif defined(STM32F2XX) || defined(STM32F4XX)
- RCC->AHB1ENR |= AHB1_EN_MASK;
- RCC->AHB1LPENR |= AHB1_LPEN_MASK;
-#endif
-
- /*
- * 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
-#if STM32_HAS_GPIOI
- initgpio(GPIOI, &config->PIData);
-#endif
-}
-
-/**
- * @brief Pads mode setup.
- * @details This function programs a pads group belonging to the same port
- * with the specified mode.
- * @note @p PAL_MODE_UNCONNECTED is implemented as push pull at minimum
- * speed.
- *
- * @param[in] port the port identifier
- * @param[in] mask the group mask
- * @param[in] mode the mode
- *
- * @notapi
- */
-#if 1
-void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- iomode_t mode) {
-
- uint32_t moder = (mode & PAL_STM32_MODE_MASK) >> 0;
- uint32_t otyper = (mode & PAL_STM32_OTYPE_MASK) >> 2;
- uint32_t ospeedr = (mode & PAL_STM32_OSPEED_MASK) >> 3;
- uint32_t pupdr = (mode & PAL_STM32_PUDR_MASK) >> 5;
- uint32_t altr = (mode & PAL_STM32_ALTERNATE_MASK) >> 7;
- uint32_t bit = 0;
- while (TRUE) {
- if ((mask & 1) != 0) {
- uint32_t altrmask, m1, m2, m4;
-
- altrmask = altr << ((bit & 7) * 4);
- m4 = 15 << ((bit & 7) * 4);
- if (bit < 8)
- port->AFRL = (port->AFRL & ~m4) | altrmask;
- else
- port->AFRH = (port->AFRH & ~m4) | altrmask;
- m1 = 1 << bit;
- port->OTYPER = (port->OTYPER & ~m1) | otyper;
- m2 = 3 << (bit * 2);
- port->OSPEEDR = (port->OSPEEDR & ~m2) | ospeedr;
- port->PUPDR = (port->PUPDR & ~m2) | pupdr;
- port->MODER = (port->MODER & ~m2) | moder;
- }
- mask >>= 1;
- if (!mask)
- return;
- otyper <<= 1;
- ospeedr <<= 2;
- pupdr <<= 2;
- moder <<= 2;
- bit++;
- }
-}
-#else
-void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- iomode_t mode) {
- uint32_t afrm, moderm, pupdrm, otyperm, ospeedrm;
- uint32_t m1 = (uint32_t)mask;
- uint32_t m2 = 0;
- uint32_t m4l = 0;
- uint32_t m4h = 0;
- uint32_t bit = 0;
- do {
- if ((mask & 1) != 0) {
- m2 |= 3 << bit;
- if (bit < 16)
- m4l |= 15 << ((bit & 14) * 2);
- else
- m4h |= 15 << ((bit & 14) * 2);
- }
- bit += 2;
- mask >>= 1;
- } while (mask);
-
- afrm = ((mode & PAL_STM32_ALTERNATE_MASK) >> 7) * 0x1111;
- port->AFRL = (port->AFRL & ~m4l) | (afrm & m4l);
- port->AFRH = (port->AFRH & ~m4h) | (afrm & m4h);
-
- ospeedrm = ((mode & PAL_STM32_OSPEED_MASK) >> 3) * 0x5555;
- port->OSPEEDR = (port->OSPEEDR & ~m2) | (ospeedrm & m2);
-
- otyperm = ((mode & PAL_STM32_OTYPE_MASK) >> 2) * 0xffff;
- port->OTYPER = (port->OTYPER & ~m1) | (otyperm & m1);
-
- pupdrm = ((mode & PAL_STM32_PUDR_MASK) >> 5) * 0x5555;
- port->PUPDR = (port->PUPDR & ~m2) | (pupdrm & m2);
-
- moderm = ((mode & PAL_STM32_MODE_MASK) >> 0) * 0x5555;
- port->MODER = (port->MODER & ~m2) | (moderm & m2);
-}
-#endif
-
-#endif /* HAL_USE_PAL */
-
-/** @} */
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