Add SYSCFG definitions for STM32L152; Add board support STM32L-Discovery

1 files changed, 149 insertions, 0 deletions

diff --git a/nuttx/configs/stm32ldiscovery/src/stm32ldiscovery.h b/nuttx/configs/stm32ldiscovery/src/stm32ldiscovery.h
new file mode 100644
index 000000000..174d2a34d
--- /dev/null
+++ b/nuttx/configs/stm32ldiscovery/src/stm32ldiscovery.h
@@ -0,0 +1,149 @@
+/****************************************************************************************************
+ * configs/stm32ldiscovery/src/stm32ldiscover.h
+ * arch/arm/src/board/stm32ldiscover.n
+ *
+ *   Copyright (C) 2013 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_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H
+#define __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H
+
+/****************************************************************************************************
+ * Included Files
+ ****************************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+#include <stdint.h>
+
+/****************************************************************************************************
+ * Definitions
+ ****************************************************************************************************/
+/* Configuration ************************************************************************************/
+/* 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
+
+/* STM32L-Discovery GPIOs ***************************************************************************/
+/* The STM32L-Discovery board has four LEDs.  Two of these are controlled by
+ * logic on the board and are not available for software control:
+ *
+ * LD1 COM:   LD2 default status is red. LD2 turns to green to indicate that
+ *            communications are in progress between the PC and the ST-LINK/V2.
+ * LD2 PWR:   Red LED indicates that the board is powered.
+ *
+ * And two LEDs can be controlled by software:
+ *
+ * User LD3:  Green LED is a user LED connected to the I/O PB7 of the STM32L152
+ *            MCU.
+ * User LD4:  Blue LED is a user LED connected to the I/O PB6 of the STM32L152
+ *            MCU.
+ *
+ */
+
+#define GPIO_LED1       (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN7)
+#define GPIO_LED2       (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN6)
+
+/* Button definitions *******************************************************************************/
+/* The STM32L-Discovery supports two buttons; only one button is controllable by
+ * software:
+ *
+ *   B1 USER: user and wake-up button connected to the I/O PA0 of the STM32F303VCT6.
+ *   B2 RESET: pushbutton connected to NRST is used to RESET the STM32F303VCT6.
+ *
+ * NOTE that  EXTI interrupts are configured
+ */
+
+#define MIN_IRQBUTTON   BUTTON_USER
+#define MAX_IRQBUTTON   BUTTON_USER
+#define NUM_IRQBUTTONS  1
+
+#define GPIO_BTN_USER   (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTA|GPIO_PIN0)
+
+/* SPI - There is a ST MEMS L3GD20 device on SPI1 using these pins: */
+
+#define GPIO_MEMS_CS    (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
+                         GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3)
+#define GPIO_MEMS_INT1  (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTE|GPIO_PIN0)
+#define GPIO_MEMS_INT2  (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTE|GPIO_PIN1)
+
+/****************************************************************************************************
+ * Public Types
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Public data
+ ****************************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************************************
+ * Public Functions
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Name: stm32_spiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the stm32ldiscovery board.
+ *
+ ****************************************************************************************************/
+
+void weak_function stm32_spiinitialize(void);
+
+/****************************************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called from stm32_usbinitialize very early in inialization to setup USB-related
+ *   GPIO pins for the STM32L-Discovery board.
+ *
+ ****************************************************************************************************/
+
+#ifdef CONFIG_STM32_USB
+void weak_function stm32_usbinitialize(void);
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H */
+