105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file portab.c
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* @brief Application portability module code.
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*
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* @addtogroup application_portability
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* @{
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*/
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#include "hal.h"
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#include "portab.h"
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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/* Making sure mcuconf.h setup is as expected.*/
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#if STM32_PCLK1 != 85000000
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#error "unexpected PCLK1 frequency"
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#endif
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/*
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* High speed SPI configuration (PCLK1/4=21.25MHz, CPHA=0, CPOL=0, MSb first).
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*/
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const SPIConfig hs_spicfg = {
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.circular = false,
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.slave = false,
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.data_cb = NULL,
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.error_cb = NULL,
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.ssport = GPIOB,
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.sspad = 12U,
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.cr1 = SPI_CR1_BR_0,
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.cr2 = SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
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};
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/*
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* Low speed SPI configuration (PCLK1/256=332.03125kHz, CPHA=0, CPOL=0, MSb first).
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*/
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const SPIConfig ls_spicfg = {
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.circular = false,
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.slave = false,
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.data_cb = NULL,
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.error_cb = NULL,
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.ssport = GPIOB,
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.sspad = 12U,
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.cr1 = SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0,
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.cr2 = SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
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};
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void portab_setup(void) {
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/*
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* SPI2 I/O pins setup.
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*/
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palSetPad(GPIOB, 12);
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palSetPadMode(GPIOB, 11, PAL_MODE_INPUT_PULLUP |
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PAL_STM32_OSPEED_HIGHEST); /* Card Detect. */
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palSetPadMode(GPIOB, 12, PAL_MODE_OUTPUT_PUSHPULL |
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PAL_STM32_OSPEED_HIGHEST); /* SPI2 CS. */
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palSetPadMode(GPIOB, 13, PAL_MODE_ALTERNATE(5) |
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PAL_STM32_OSPEED_HIGHEST); /* SPI2 SCK. */
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palSetPadMode(GPIOB, 14, PAL_MODE_ALTERNATE(5) |
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PAL_STM32_OSPEED_HIGHEST); /* SPI2 MISO. */
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palSetPadMode(GPIOB, 15, PAL_MODE_ALTERNATE(5) |
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PAL_STM32_OSPEED_HIGHEST); /* SPI2 MOSI. */
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}
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/** @} */
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