diff --git a/configs/olimex-stm32-e407/include/board.h b/configs/olimex-stm32-e407/include/board.h index e220e0fd06f..d4996f1a744 100644 --- a/configs/olimex-stm32-e407/include/board.h +++ b/configs/olimex-stm32-e407/include/board.h @@ -212,24 +212,35 @@ /* Alternate function pin selections ************************************************/ /* USART1 */ + #define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */ #define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */ /* USART2 */ + #define GPIO_USART2_RX GPIO_USART2_RX_2 /* PD6 */ #define GPIO_USART2_TX GPIO_USART2_TX_2 /* PD5 */ /* USART3 */ + #define GPIO_USART3_RX GPIO_USART3_RX_1 /* PB11 */ #define GPIO_USART3_TX GPIO_USART3_TX_1 /* PB10 */ /* CAN */ -#define GPIO_CAN1_RX GPIO_CAN1_RX_2 /* PB8 */ -#define GPIO_CAN1_TX GPIO_CAN1_TX_2 /* PB9 */ + +#define GPIO_CAN1_RX GPIO_CAN1_RX_2 /* PB8 */ +#define GPIO_CAN1_TX GPIO_CAN1_TX_2 /* PB9 */ /* I2C */ -#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1 /* PB6 */ -#define GPIO_I2C1_SDA GPIO_I2C1_SDA_1 /* PB7 */ + +#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1 /* PB6 */ +#define GPIO_I2C1_SDA GPIO_I2C1_SDA_1 /* PB7 */ + +/* SPI1 */ + +#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* PA5 */ +#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_2 /* PB5 */ +#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 /* PA6 */ /* Ethernet *************************************************************************/ diff --git a/configs/olimex-stm32-e407/src/Makefile b/configs/olimex-stm32-e407/src/Makefile index 4838e21009e..a776c03ad20 100644 --- a/configs/olimex-stm32-e407/src/Makefile +++ b/configs/olimex-stm32-e407/src/Makefile @@ -36,7 +36,7 @@ -include $(TOPDIR)/Make.defs ASRCS = -CSRCS = stm32_boot.c stm32_bringup.c +CSRCS = stm32_boot.c stm32_bringup.c stm32_spi.c ifeq ($(CONFIG_ARCH_LEDS),y) CSRCS += stm32_autoleds.c diff --git a/configs/olimex-stm32-e407/src/stm32_spi.c b/configs/olimex-stm32-e407/src/stm32_spi.c new file mode 100644 index 00000000000..ff18b1c51ef --- /dev/null +++ b/configs/olimex-stm32-e407/src/stm32_spi.c @@ -0,0 +1,318 @@ +/**************************************************************************** + * configs/olimex-stm32-e407/src/stm32_spi.c + * + * Copyright (C) 2016, 2019 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * Laurent Latil + * Modify by: Acutronics Robotics (Juan Flores) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include +#include + +#include "up_arch.h" +#include "chip.h" +#include "stm32.h" +#include "olimex-stm32-e407.h" + +#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_spidev_initialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the Olimex-STM32-E407 + * board. + * + ****************************************************************************/ + +void stm32_spidev_initialize(void) +{ + /* NOTE: Clocking for SPI1 and/or SPI2 was already provided in stm32_rcc.c. + * Configurations of SPI pins is performed in stm32_spi.c. + * Here, we only initialize chip select pins unique to the board + * architecture. + */ + +#ifdef CONFIG_MTD_W25 + (void)stm32_configgpio(FLASH_SPI1_CS); /* FLASH chip select */ +#endif + +#ifdef CONFIG_CAN_MCP2515 + (void)stm32_configgpio(GPIO_MCP2515_CS); /* MCP2515 chip select */ +#endif + +#ifdef CONFIG_CL_MFRC522 + (void)stm32_configgpio(GPIO_CS_MFRC522); /* MFRC522 chip select */ +#endif + +#if defined(CONFIG_SENSORS_MAX6675) + (void)stm32_configgpio(GPIO_MAX6675_CS); /* MAX6675 chip select */ +#endif + +#ifdef CONFIG_LCD_MAX7219 + (void)stm32_configgpio(STM32_LCD_CS); /* MAX7219 chip select */ +#endif + +#ifdef CONFIG_LCD_ST7567 + (void)stm32_configgpio(STM32_LCD_CS); /* ST7567 chip select */ +#endif + +#ifdef CONFIG_LCD_PCD8544 + (void)stm32_configgpio(STM32_LCD_CS); /* ST7567 chip select */ +#endif + +#ifdef CONFIG_WL_NRF24L01 + stm32_configgpio(GPIO_NRF24L01_CS); /* nRF24L01 chip select */ +#endif + +#ifdef CONFIG_MMCSD_SPI + stm32_configgpio(GPIO_SDCARD_CS); /* SD/MMC Card chip select */ +#endif + +#ifdef CONFIG_IEEE802154_MRF24J40 + stm32_configgpio(GPIO_MRF24J40_CS); +#endif +} + +/**************************************************************************** + * Name: stm32_spi1/2select and stm32_spi1/2status + * + * Description: + * The external functions, stm32_spi1/2/3select and stm32_spi1/2/3status + * must be provided by board-specific logic. They are implementations of + * the select and status methods of the SPI interface defined by struct + * spi_ops_s (see include/nuttx/spi/spi.h). All other methods (including + * stm32_spibus_initialize()) are provided by common STM32 logic. To use + * this common SPI logic on your board: + * + * 1. Provide logic in stm32_boardinitialize() to configure SPI chip select + * pins. + * 2. Provide stm32_spi1/2/3select() and stm32_spi1/2/3status() functions + * in your board-specific logic. These functions will perform chip + * selection and status operations using GPIOs in the way your board is + * configured. + * 3. Add a calls to stm32_spibus_initialize() in your low level application + * initialization logic + * 4. The handle returned by stm32_spibus_initialize() may then be used to + * bind the SPI driver to higher level logic (e.g., calling + * mmcsd_spislotinitialize(), for example, will bind the SPI driver to + * the SPI MMC/SD driver). + * + ****************************************************************************/ + +#ifdef CONFIG_STM32_SPI1 +void stm32_spi1select(FAR struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ +#if defined(CONFIG_CAN_MCP2515) + if (devid == SPIDEV_CANBUS(0)) + { + stm32_gpiowrite(GPIO_MCP2515_CS, !selected); + } +#endif + +#if defined(CONFIG_CL_MFRC522) + if (devid == SPIDEV_CONTACTLESS(0)) + { + stm32_gpiowrite(GPIO_CS_MFRC522, !selected); + } +#endif + +#ifdef CONFIG_IEEE802154_MRF24J40 + if (devid == SPIDEV_IEEE802154(0)) + { + stm32_gpiowrite(GPIO_MRF24J40_CS, !selected); + } +#endif + +#if defined(CONFIG_IEEE802154_XBEE) + if (devid == SPIDEV_IEEE802154(0)) + { + stm32_gpiowrite(GPIO_XBEE_CS, !selected); + } +#endif + +#if defined(CONFIG_SENSORS_MAX6675) + if (devid == SPIDEV_TEMPERATURE(0)) + { + stm32_gpiowrite(GPIO_MAX6675_CS, !selected); + } +#endif + +#ifdef CONFIG_LCD_MAX7219 + if (devid == SPIDEV_DISPLAY(0)) + { + stm32_gpiowrite(STM32_LCD_CS, !selected); + } +#endif + +#ifdef CONFIG_LCD_PCD8544 + if (devid == SPIDEV_DISPLAY(0)) + { + stm32_gpiowrite(STM32_LCD_CS, !selected); + } +#endif + +#ifdef CONFIG_LCD_ST7567 + if (devid == SPIDEV_DISPLAY(0)) + { + stm32_gpiowrite(STM32_LCD_CS, !selected); + } +#endif + +#ifdef CONFIG_WL_NRF24L01 + if (devid == SPIDEV_WIRELESS(0)) + { + stm32_gpiowrite(GPIO_NRF24L01_CS, !selected); + } +#endif + +#ifdef CONFIG_MMCSD_SPI + if (devid == SPIDEV_MMCSD(0)) + { + stm32_gpiowrite(GPIO_SDCARD_CS, !selected); + } +#endif + +#ifdef CONFIG_MTD_W25 + stm32_gpiowrite(FLASH_SPI1_CS, !selected); +#endif +} + +uint8_t stm32_spi1status(FAR struct spi_dev_s *dev, uint32_t devid) +{ + uint8_t status = 0; + +#ifdef CONFIG_WL_NRF24L01 + if (devid == SPIDEV_WIRELESS(0)) + { + status |= SPI_STATUS_PRESENT; + } +#endif + +#ifdef CONFIG_MMCSD_SPI + if (devid == SPIDEV_MMCSD(0)) + { + status |= SPI_STATUS_PRESENT; + } +#endif + + return status; +} +#endif + +#ifdef CONFIG_STM32_SPI2 +void stm32_spi2select(FAR struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ +} + +uint8_t stm32_spi2status(FAR struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +/**************************************************************************** + * Name: stm32_spi1cmddata + * + * Description: + * Set or clear the SH1101A A0 or SD1306 D/C n bit to select data (true) + * or command (false). This function must be provided by platform-specific + * logic. This is an implementation of the cmddata method of the SPI + * interface defined by struct spi_ops_s (see include/nuttx/spi/spi.h). + * + * Input Parameters: + * + * spi - SPI device that controls the bus the device that requires the CMD/ + * DATA selection. + * devid - If there are multiple devices on the bus, this selects which one + * to select cmd or data. NOTE: This design restricts, for example, + * one one SPI display per SPI bus. + * cmd - true: select command; false: select data + * + * Returned Value: + * None + * + ****************************************************************************/ + +#ifdef CONFIG_SPI_CMDDATA +#ifdef CONFIG_STM32_SPI1 +int stm32_spi1cmddata(FAR struct spi_dev_s *dev, uint32_t devid, + bool cmd) +{ +#ifdef CONFIG_LCD_ST7567 + if (devid == SPIDEV_DISPLAY(0)) + { + /* This is the Data/Command control pad which determines whether the + * data bits are data or a command. + */ + + (void)stm32_gpiowrite(STM32_LCD_RS, !cmd); + + return OK; + } +#endif + +#ifdef CONFIG_LCD_PCD8544 + if (devid == SPIDEV_DISPLAY(0)) + { + /* This is the Data/Command control pad which determines whether the + * data bits are data or a command. + */ + + (void)stm32_gpiowrite(STM32_LCD_CD, !cmd); + + return OK; + } +#endif + + return -ENODEV; +} +#endif +#endif + +#endif /* CONFIG_STM32_SPI1 || CONFIG_STM32_SPI2 */