diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-11-22 14:16:38 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-11-22 14:16:38 +0000 |
commit | 1c87f4d5e59da4337f5372c191a860916f593794 (patch) | |
tree | 0c0452ae0afc597d4781772d033dde93b2d38a98 /nuttx/configs/stm3240g-eval/src | |
parent | 4a8d437682923eca41fa6a1c2a0ab7523a9283af (diff) | |
download | px4-nuttx-1c87f4d5e59da4337f5372c191a860916f593794.tar.gz px4-nuttx-1c87f4d5e59da4337f5372c191a860916f593794.tar.bz2 px4-nuttx-1c87f4d5e59da4337f5372c191a860916f593794.zip |
Add framework for the STM3240G-EVAL board (not much logic yet)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4118 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/stm3240g-eval/src')
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/Makefile | 85 | ||||
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/stm3240g-internal.h | 113 | ||||
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/up_boot.c | 90 | ||||
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/up_buttons.c | 119 | ||||
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/up_leds.c | 113 | ||||
-rw-r--r-- | nuttx/configs/stm3240g-eval/src/up_spi.c | 161 |
6 files changed, 681 insertions, 0 deletions
diff --git a/nuttx/configs/stm3240g-eval/src/Makefile b/nuttx/configs/stm3240g-eval/src/Makefile new file mode 100644 index 000000000..0d2067b16 --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/Makefile @@ -0,0 +1,85 @@ +############################################################################ +# configs/stm3240g-eval/src/Makefile +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt <gnutt@nuttx.org> +# +# 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. +# +############################################################################ + +-include $(TOPDIR)/Make.defs + +CFLAGS += -I$(TOPDIR)/sched + +ASRCS = +AOBJS = $(ASRCS:.S=$(OBJEXT)) + +CSRCS = up_boot.c up_leds.c up_buttons.c up_spi.c + +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src +ifeq ($(WINTOOL),y) + CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \ + -I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \ + -I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}" +else + CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/armv7-m +endif + +all: libboard$(LIBEXT) + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +libboard$(LIBEXT): $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $@, $${obj}); \ + done ; ) + +.depend: Makefile $(SRCS) + @$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + @rm -f libboard$(LIBEXT) *~ .*.swp + $(call CLEAN) + +distclean: clean + @rm -f Make.dep .depend + +-include Make.dep diff --git a/nuttx/configs/stm3240g-eval/src/stm3240g-internal.h b/nuttx/configs/stm3240g-eval/src/stm3240g-internal.h new file mode 100644 index 000000000..00206bedd --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/stm3240g-internal.h @@ -0,0 +1,113 @@ +/**************************************************************************************************** + * configs/stm3240g_eval/src/stm3240g_internal.h + * arch/arm/src/board/stm3240g_internal.n + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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. + * + ****************************************************************************************************/ + +#ifndef __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H +#define __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H + +/**************************************************************************************************** + * Included Files + ****************************************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> +#include <stdint.h> + +/**************************************************************************************************** + * Definitions + ****************************************************************************************************/ + +/* How many SPI modules does this chip support? */ + +#if STM32_NSPI < 1 +# undef CONFIG_STM32_SPI1 +# undef CONFIG_STM32_SPI2 +# undef CONFIG_STM32_SPI3 +#elif STM32_NSPI < 2 +# undef CONFIG_STM32_SPI2 +# undef CONFIG_STM32_SPI3 +#elif STM32_NSPI < 3 +# undef CONFIG_STM32_SPI3 +#endif + +/* STM3240G-EVAL GPIOs ******************************************************************************/ +/* LEDs */ +#warning "Missing logic" + +/* BUTTONS -- NOTE that some have EXTI interrupts configured */ +#warning "Missing logic" + +/**************************************************************************************************** + * Public Types + ****************************************************************************************************/ + +/* GPIO settings that will be altered when external memory is selected: + * + * ----- ------- -------- ------------ ------- ------------ -------- ----------- -------- ------------- + * PB7: FSMC NL PD0-1: FSMC D2-D3 PE0: FSMC NBL0 PF0-5: FSMC A0-A5 PG0-5: FSMC A10-A15 + * PD3: FSMC CLK PE1: FSMC BLN1 PF6: FSMC NIORD PG6-7: FSMC INT2-3 + * PD4: FSMC NOE PE2: FSMC A23 PF7: FSMC NREG PG9: FSMC NCE3 + * PD5: FSMC NWE PE3-6: FSMC A19-A22 PF8: FSMC NIOWR PG9-10: FSMC NE2-3 + * PD6: FSMC NWAIT PE7-15: FSMC D4-D12 PF9: FSMC CD PG10: FSMC NCE4 (1) + * PD7: FSMC NE1 PF10: FSMC INTR PG11: FSMC NCE4 (2) + * PD7: FSMC NCE2 PF12-15: FSMC A6-A9 PG12: FSMC NE4 + * PD8-10: FSMC D13-D15 PG13-14: FSMC A24-A25 + * PD11-13: FSMC_A16-A18 + * PD14-15: FSMC D0-D1 + */ + +/**************************************************************************************************** + * Public data + ****************************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/**************************************************************************************************** + * Public Functions + ****************************************************************************************************/ + +/**************************************************************************************************** + * Name: stm32_spiinitialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the STM3240G-EVAL board. + * + ****************************************************************************************************/ + +extern void weak_function stm32_spiinitialize(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H */ + diff --git a/nuttx/configs/stm3240g-eval/src/up_boot.c b/nuttx/configs/stm3240g-eval/src/up_boot.c new file mode 100644 index 000000000..bf15dcee3 --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/up_boot.c @@ -0,0 +1,90 @@ +/************************************************************************************
+ * configs/stm3240g-eval/src/up_boot.c
+ * arch/arm/src/board/up_boot.c
+ *
+ * Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <nuttx/config.h>
+
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "stm3240g-internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ * All STM32 architectures must provide the following entry point. This entry point
+ * is called early in the intitialization -- after all memory has been configured
+ * and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+void stm32_boardinitialize(void)
+{
+ /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
+ * stm32_spiinitialize() has been brought into the link.
+ */
+
+#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3)
+ if (stm32_spiinitialize)
+ {
+ stm32_spiinitialize();
+ }
+#endif
+
+ /* Configure on-board LEDs if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+ up_ledinit();
+#endif
+}
diff --git a/nuttx/configs/stm3240g-eval/src/up_buttons.c b/nuttx/configs/stm3240g-eval/src/up_buttons.c new file mode 100644 index 000000000..9cde2211c --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/up_buttons.c @@ -0,0 +1,119 @@ +/**************************************************************************** + * configs/stm3240g-eval/src/up_buttons.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdint.h> + +#include <arch/board/board.h> +#include "stm3240g-internal.h" + +#ifdef CONFIG_ARCH_BUTTONS + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_buttoninit + * + * Description: + * up_buttoninit() must be called to initialize button resources. After + * that, up_buttons() may be called to collect the current state of all + * buttons or up_irqbutton() may be called to register button interrupt + * handlers. + * + ****************************************************************************/ + +void up_buttoninit(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: up_buttons + ****************************************************************************/ + +uint8_t up_buttons(void) +{ +#warning "Missing logic" +} + +/************************************************************************************ + * Button support. + * + * Description: + * up_buttoninit() must be called to initialize button resources. After + * that, up_buttons() may be called to collect the current state of all + * buttons or up_irqbutton() may be called to register button interrupt + * handlers. + * + * After up_buttoninit() has been called, up_buttons() may be called to + * collect the state of all buttons. up_buttons() returns an 8-bit bit set + * with each bit associated with a button. See the BUTTON_*_BIT + * definitions in board.h for the meaning of each bit. + * + * up_irqbutton() may be called to register an interrupt handler that will + * be called when a button is depressed or released. The ID value is a + * button enumeration value that uniquely identifies a button resource. See the + * BUTTON_* definitions in board.h for the meaning of enumeration + * value. The previous interrupt handler address is returned (so that it may + * restored, if so desired). + * + ************************************************************************************/ + +#ifdef CONFIG_ARCH_IRQBUTTONS +xcpt_t up_irqbutton(int id, xcpt_t irqhandler) +{ +#warning "Missing logic" +} +#endif +#endif /* CONFIG_ARCH_BUTTONS */ diff --git a/nuttx/configs/stm3240g-eval/src/up_leds.c b/nuttx/configs/stm3240g-eval/src/up_leds.c new file mode 100644 index 000000000..084fb69ff --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/up_leds.c @@ -0,0 +1,113 @@ +/**************************************************************************** + * configs/stm3240g_eval/src/up_leds.c + * arch/arm/src/board/up_leds.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <arch/board/board.h> + +#include "chip.h" +#include "up_arch.h" +#include "up_internal.h" +#include "stm32_internal.h" +#include "stm3240g-internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Enables debug output from this file (needs CONFIG_DEBUG with + * CONFIG_DEBUG_VERBOSE too) + */ + +#undef LED_DEBUG /* Define to enable debug */ + +#ifdef LED_DEBUG +# define leddbg lldbg +# define ledvdbg llvdbg +#else +# define leddbg(x...) +# define ledvdbg(x...) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_ledinit + ****************************************************************************/ + +#ifdef CONFIG_ARCH_LEDS +void up_ledinit(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: up_ledon + ****************************************************************************/ + +void up_ledon(int led) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: up_ledoff + ****************************************************************************/ + +void up_ledoff(int led) +{ +#warning "Missing logic" +} + +#endif /* CONFIG_ARCH_LEDS */ diff --git a/nuttx/configs/stm3240g-eval/src/up_spi.c b/nuttx/configs/stm3240g-eval/src/up_spi.c new file mode 100644 index 000000000..3ce9d7e29 --- /dev/null +++ b/nuttx/configs/stm3240g-eval/src/up_spi.c @@ -0,0 +1,161 @@ +/************************************************************************************ + * configs/stm3240g_eval/src/up_spi.c + * arch/arm/src/board/up_spi.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <nuttx/spi.h> +#include <arch/board/board.h> + +#include "up_arch.h" +#include "chip.h" +#include "stm32_internal.h" +#include "stm3240g-internal.h" + +#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3) + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* Enables debug output from this file (needs CONFIG_DEBUG too) */ + +#undef SPI_DEBUG /* Define to enable debug */ +#undef SPI_VERBOSE /* Define to enable verbose debug */ + +#ifdef SPI_DEBUG +# define spidbg lldbg +# ifdef SPI_VERBOSE +# define spivdbg lldbg +# else +# define spivdbg(x...) +# endif +#else +# undef SPI_VERBOSE +# define spidbg(x...) +# define spivdbg(x...) +#endif + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_spiinitialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the STM3240G-EVAL board. + * + ************************************************************************************/ + +void weak_function stm32_spiinitialize(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: stm32_spi1/2/3select and stm32_spi1/2/3status + * + * 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.h). All other methods (including up_spiinitialize()) + * 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 up_spiinitialize() in your low level application + * initialization logic + * 4. The handle returned by up_spiinitialize() 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, enum spi_dev_e devid, bool selected) +{ + spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert"); +} + +uint8_t stm32_spi1status(FAR struct spi_dev_s *dev, enum spi_dev_e devid) +{ + return SPI_STATUS_PRESENT; +} +#endif + +#ifdef CONFIG_STM32_SPI2 +void stm32_spi2select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected) +{ + spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert"); +} + +uint8_t stm32_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devid) +{ + return SPI_STATUS_PRESENT; +} +#endif + +#ifdef CONFIG_STM32_SPI3 +void stm32_spi3select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected) +{ + spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert"); +} + +uint8_t stm32_spi3status(FAR struct spi_dev_s *dev, enum spi_dev_e devid) +{ + return SPI_STATUS_PRESENT; +} +#endif + +#endif /* CONFIG_STM32_SPI1 || CONFIG_STM32_SPI2 */ |