diff options
Diffstat (limited to 'nuttx/configs/stm3210e-eval')
-rwxr-xr-x | nuttx/configs/stm3210e-eval/src/stm3210e-internal.h | 5 | ||||
-rwxr-xr-x | nuttx/configs/stm3210e-eval/src/up_nsh.c | 73 | ||||
-rwxr-xr-x | nuttx/configs/stm3210e-eval/src/up_spi.c | 47 |
3 files changed, 38 insertions, 87 deletions
diff --git a/nuttx/configs/stm3210e-eval/src/stm3210e-internal.h b/nuttx/configs/stm3210e-eval/src/stm3210e-internal.h index 7d9f20e74..186769575 100755 --- a/nuttx/configs/stm3210e-eval/src/stm3210e-internal.h +++ b/nuttx/configs/stm3210e-eval/src/stm3210e-internal.h @@ -70,11 +70,6 @@ #define GPIO_LED3 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN8)
#define GPIO_LED4 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN9)
-/* MMC/SD SPI1 chip select: PC.12 */
-
-#warning "MicoSD is on SDIO port, not SPI"
-#define GPIO_MMCSD_CS (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN12)
-
/* SPI FLASH chip select: PA.4 */
#define GPIO_FLASH_CS (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN2)
diff --git a/nuttx/configs/stm3210e-eval/src/up_nsh.c b/nuttx/configs/stm3210e-eval/src/up_nsh.c index 5ce767b45..01dcb440b 100755 --- a/nuttx/configs/stm3210e-eval/src/up_nsh.c +++ b/nuttx/configs/stm3210e-eval/src/up_nsh.c @@ -45,7 +45,10 @@ #include <debug.h> #include <errno.h> -#include <nuttx/spi.h> +#ifdef CONFIG_STM32_SPI1 +# include <nuttx/spi.h> +# include <nuttx/mtd.h> +#endif #include <nuttx/mmcsd.h> /**************************************************************************** @@ -54,6 +57,10 @@ /* Configuration ************************************************************/ +/* For now, don't build in any SPI1 support -- NSH is not using it */ + +#undef CONFIG_STM32_SPI1 + /* PORT and SLOT number probably depend on the board configuration */ /* Can't support USB features if USB is not enabled */ @@ -62,23 +69,8 @@ # undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV #endif -/* MMC/SD is on SPI1 */ -#warning "MicoSD is on SDIO port, not SPI" - -#ifndef CONFIG_STM32_SPI1 -# undef CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO -# undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO -#endif - -#if defined(CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO) && CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO != 0 -# error MMC/SD is on SPI1 -# undef CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO -# undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO -#endif - #if defined(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO) && CONFIG_EXAMPLES_NSH_MMCSDSLOTNO != 0 # error "Only one MMC/SD slot" -# undef CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO # undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO #endif @@ -124,39 +116,44 @@ int nsh_archinitialize(void) { #ifdef CONFIG_STM32_SPI1 FAR struct spi_dev_s *spi; - int ret; + FAR struct mtd_dev_s *mtd; +#endif - /* Get the SPI port */ + /* Configure SPI-based devices */ - message("nsh_archinitialize: Initializing SPI port %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO); +#ifdef CONFIG_STM32_SPI1 + /* Get the SPI port */ - spi = up_spiinitialize(CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO); + message("nsh_archinitialize: Initializing SPI port 0\n"); + spi = up_spiinitialize(0); if (!spi) { - message("nsh_archinitialize: Failed to initialize SPI port %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO); + message("nsh_archinitialize: Failed to initialize SPI port 0\n"); return -ENODEV; } + message("nsh_archinitialize: Successfully initialized SPI port 0\n"); - message("nsh_archinitialize: Successfully initialized SPI port %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO); - - /* Bind the SPI port to the slot */ - - message("nsh_archinitialize: Binding SPI port %d to MMC/SD slot %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO); + /* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */ - ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_NSH_MMCSDMINOR, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO, spi); - if (ret < 0) + message("nsh_archinitialize: Bind SPI to the SPI flash driver\n"); + mtd = m25p_initialize(spi); + if (!mtd) { - message("nsh_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO, ret); - return ret; + message("nsh_archinitialize: Failed to bind SPI port 0 to the SPI FLASH driver\n"); + return -ENODEV; } - - message("nsh_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n", - CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO); + message("nsh_archinitialize: Successfully bound SPI port 0 to the SPI FLASH driver\n"); +#warning "Now what are we going to do with this SPI FLASH driver?" #endif + + /* Create the SPI FLASH MTD instance */ + + /* Here we will eventually need to + * 1. Get the SDIO interface instance, and + * 2. Bind it to the MMC/SD driver (slot CONFIG_EXAMPLES_NSH_MMCSDSLOTNO, + * CONFIG_EXAMPLES_NSH_MMCSDMINOR). + */ + +#warning "Missing MMC/SD device configuration" return OK; } diff --git a/nuttx/configs/stm3210e-eval/src/up_spi.c b/nuttx/configs/stm3210e-eval/src/up_spi.c index e3bcbf05a..3c2c3e236 100755 --- a/nuttx/configs/stm3210e-eval/src/up_spi.c +++ b/nuttx/configs/stm3210e-eval/src/up_spi.c @@ -79,36 +79,6 @@ * Private Functions ************************************************************************************/ -static void stm32_chipselect(FAR struct spi_dev_s *dev, uint32 pinset, boolean pinval, boolean selected) -{ - spidbg("devid: %d CS: %s pinset: %08x pinval: %s\n", - (int)devid, selected ? "assert" : "de-assert", pinset, pinval ? "HIGH" : "LOW"); - - /* If we are selecting the chip, then we must call stm32_spitake to assure that we - * have mutually exclusive access to the SPI bus while the chip is selected. - */ - - if (selected) - { - stm32_spitake(dev); - } - - /* Then set the CHIP select. Usually the chip select is LOW to select and HIGH, but - * that can vary from part to part. - */ - - stm32_gpiowrite(pinset, pinval); - - /* If we just de-selected the chip, then we must call stm32_spigive to to relinquish - * our exclusive access to the SPI bus. Now, any waiting threads can have the SPI. - */ - - if (!selected) - { - stm32_spigive(dev); - } -} - /************************************************************************************ * Public Functions ************************************************************************************/ @@ -130,10 +100,8 @@ void weak_function stm32_spiinitialize(void) */ #ifdef CONFIG_STM32_SPI1 - /* Configure the SPI-based microSD and FLASH CS GPIO */ + /* Configure the SPI-based FLASH CS GPIO */ -#warning "MicoSD is on SDIO port, not SPI" - stm32_configgpio(GPIO_MMCSD_CS); stm32_configgpio(GPIO_FLASH_CS); #endif } @@ -154,9 +122,6 @@ void weak_function stm32_spiinitialize(void) * 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. - * The select() methods must call stm32_spitake() when the chip is selected - * and stm32_spigive() when the chip is deselected. This assures mutually - * exclusive access to the SPI for the duration while a chip is selected. * 3. Add a calls to up_spiinitialize() in your low level application * initialization logic * 4. The handle returned by up_spiinitialize() may then be used to bind the @@ -171,17 +136,11 @@ void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, boolean s { spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert"); - if (devid == SPIDEV_MMCSD) - { - /* Set the GPIO low to select and high to de-select */ - - stm32_chipselect(dev, GPIO_MMCSD_CS,!selected, selected); - } - else if (devid == SPIDEV_FLASH) + if (devid == SPIDEV_FLASH) { /* Set the GPIO low to select and high to de-select */ - stm32_chipselect(dev, GPIO_FLASH_CS,!selected, selected); + stm32_gpiowrite(GPIO_FLASH_CS, !selected); } } |