Add a framework for an ADC test

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4180 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 230 insertions, 0 deletions

diff --git a/nuttx/configs/stm3210e-eval/src/Makefile b/nuttx/configs/stm3210e-eval/src/Makefile
index f4177d760..e949e7208 100644
--- a/nuttx/configs/stm3210e-eval/src/Makefile
+++ b/nuttx/configs/stm3210e-eval/src/Makefile
@@ -52,6 +52,10 @@ ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
 
+ifeq ($(CONFIG_ADC),y)
+CSRCS		+= up_adc.c
+endif
+
 ifeq ($(CONFIG_USBSTRG),y)
 CSRCS		+= up_usbstrg.c
 endif
diff --git a/nuttx/configs/stm3210e-eval/src/up_adc.c b/nuttx/configs/stm3210e-eval/src/up_adc.c
new file mode 100644
index 000000000..c2a0d2cfe
--- /dev/null
+++ b/nuttx/configs/stm3210e-eval/src/up_adc.c
@@ -0,0 +1,111 @@
+/************************************************************************************

+ * configs/stm3210e-eval/src/up_adc.c

+ * arch/arm/src/board/up_adc.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 <nuttx/analog/adc.h>

+#include <arch/board/board.h>

+

+#include "chip.h"

+#include "up_arch.h"

+#include "stm3210e-internal.h"

+

+#ifdef CONFIG_ADC

+

+/************************************************************************************

+ * Definitions

+ ************************************************************************************/

+

+/* Configuration ************************************************************/

+/* Up to 3 ADC interfaces are supported */

+

+#if STM32_NADC < 3

+#  undef CONFIG_STM32_ADC3

+#endif

+

+#if STM32_NADC < 2

+#  undef CONFIG_STM32_ADC2

+#endif

+

+#if STM32_NADC < 1

+#  undef CONFIG_STM32_ADC1

+#endif

+

+#if defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || defined(CONFIG_STM32_ADC3)

+

+/************************************************************************************

+ * 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 adc_devinit(void)

+{

+  struct adc_dev_s *adc;

+  int ret;

+

+  /* Call stm32_adcinitialize() to get an instance of the ADC interface */

+#warning "Missing Logic"

+

+  /* Register the ADC driver at "/dev/adc0" */

+

+  ret = adc_register("/dev/adc0", adc);

+  if (ret < 0)

+    {

+      adbg("adc_register failed: %d\n", ret);

+    }

+}

+

+#endif /* CONFIG_STM32_ADC || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */

+#endif /* CONFIG_ADC */
\ No newline at end of file
diff --git a/nuttx/configs/stm3240g-eval/src/Makefile b/nuttx/configs/stm3240g-eval/src/Makefile
index 0d2067b16..2ba46d682 100644
--- a/nuttx/configs/stm3240g-eval/src/Makefile
+++ b/nuttx/configs/stm3240g-eval/src/Makefile
@@ -42,6 +42,10 @@ AOBJS		= $(ASRCS:.S=$(OBJEXT))
 
 CSRCS		= up_boot.c up_leds.c up_buttons.c up_spi.c
 
+ifeq ($(CONFIG_ADC),y)
+CSRCS		+= up_adc.c
+endif
+
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
 SRCS		= $(ASRCS) $(CSRCS)
diff --git a/nuttx/configs/stm3240g-eval/src/up_adc.c b/nuttx/configs/stm3240g-eval/src/up_adc.c
new file mode 100644
index 000000000..278d830ee
--- /dev/null
+++ b/nuttx/configs/stm3240g-eval/src/up_adc.c
@@ -0,0 +1,111 @@
+/************************************************************************************

+ * configs/stm3240g-eval/src/up_adc.c

+ * arch/arm/src/board/up_adc.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 <nuttx/analog/adc.h>

+#include <arch/board/board.h>

+

+#include "chip.h"

+#include "up_arch.h"

+#include "stm3240g-internal.h"

+

+#ifdef CONFIG_ADC

+

+/************************************************************************************

+ * Definitions

+ ************************************************************************************/

+

+/* Configuration ************************************************************/

+/* Up to 3 ADC interfaces are supported */

+

+#if STM32_NADC < 3

+#  undef CONFIG_STM32_ADC3

+#endif

+

+#if STM32_NADC < 2

+#  undef CONFIG_STM32_ADC2

+#endif

+

+#if STM32_NADC < 1

+#  undef CONFIG_STM32_ADC1

+#endif

+

+#if defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || defined(CONFIG_STM32_ADC3)

+

+/************************************************************************************

+ * 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 adc_devinit(void)

+{

+  struct adc_dev_s *adc;

+  int ret;

+

+  /* Call stm32_adcinitialize() to get an instance of the ADC interface */

+#warning "Missing Logic"

+

+  /* Register the ADC driver at "/dev/adc0" */

+

+  ret = adc_register("/dev/adc0", adc);

+  if (ret < 0)

+    {

+      adbg("adc_register failed: %d\n", ret);

+    }

+}

+

+#endif /* CONFIG_STM32_ADC || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */

+#endif /* CONFIG_ADC */
\ No newline at end of file