git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1251 35acf78f-673a-0410-8e92-d51de3d6d3f4

6 files changed, 80 insertions, 25 deletions

diff --git a/os/io/platforms/STM32/pal_lld.h b/os/io/platforms/STM32/pal_lld.h
index 9c234cac3..479b5e856 100644
--- a/os/io/platforms/STM32/pal_lld.h
+++ b/os/io/platforms/STM32/pal_lld.h
@@ -27,17 +27,11 @@
 #ifndef _PAL_LLD_H_

 #define _PAL_LLD_H_

 

-/*

- * Tricks required to make the TRUE/FALSE declaration inside the library

- * compatible.

- */

-#ifndef __STM32F10x_H

 #undef FALSE

 #undef TRUE

 #include <stm32f10x.h>

 #define FALSE 0

 #define TRUE (!FALSE)

-#endif

 

 /*===========================================================================*/

 /* I/O Ports Types and constants.                                            */

diff --git a/os/io/platforms/STM32/serial_lld.h b/os/io/platforms/STM32/serial_lld.h
index ed80f8b5d..b5d32d605 100644
--- a/os/io/platforms/STM32/serial_lld.h
+++ b/os/io/platforms/STM32/serial_lld.h
@@ -27,17 +27,11 @@
 #ifndef _SERIAL_LLD_H_

 #define _SERIAL_LLD_H_

 

-/*

- * Tricks required to make the TRUE/FALSE declaration inside the library

- * compatible.

- */

-#ifndef __STM32F10x_H

 #undef FALSE

 #undef TRUE

 #include <stm32f10x.h>

 #define FALSE 0

 #define TRUE (!FALSE)

-#endif

 

 /*===========================================================================*/

 /* Driver pre-compile time settings.                                         */

diff --git a/os/io/platforms/STM32/spi_lld.c b/os/io/platforms/STM32/spi_lld.c
index 4ef99e1ed..5e8ef614e 100644
--- a/os/io/platforms/STM32/spi_lld.c
+++ b/os/io/platforms/STM32/spi_lld.c
@@ -27,11 +27,41 @@
 #include <ch.h>

 #include <spi.h>

 

+#include "nvic.h"

+#include "board.h"

+

+#if USE_STM32_SPI1 || defined(__DOXYGEN__)

+/** @brief SPI1 driver identifier.*/

+SPIDriver SPID1;

+#endif

+

+#if USE_STM32_SPI2 || defined(__DOXYGEN__)

+/** @brief SPI2 driver identifier.*/

+SPIDriver SPID2;

+#endif

+

 /**

  * @brief Low level SPI driver initialization.
  */

 void spi_lld_init(void) {

 

+#if USE_STM32_SPI1

+  spiObjectInit(&SPID1);

+  SPID1.spd_spi = SPI1;

+  SPID1.spd_dmarx = DMA1_Channel2;

+  SPID1.spd_dmatx = DMA1_Channel3;

+  RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;

+  GPIOA->CRH = (GPIOA->CRH & 0x000FFFFF) | 0xB4B00000;

+#endif

+

+#if USE_STM32_SPI2

+  spiObjectInit(&SPID2);

+  SPID2.spd_spi = SPI2;

+  SPID2.spd_dmarx = DMA1_Channel4;

+  SPID2.spd_dmatx = DMA1_Channel5;

+  RCC->APB1ENR |= RCC_APB1ENR_SPI2EN;

+  GPIOB->CRL = (GPIOB->CRL & 0x000FFFFF) | 0xB4B00000;

+#endif

 }

 

 /**

diff --git a/os/io/platforms/STM32/spi_lld.h b/os/io/platforms/STM32/spi_lld.h
index 26a70d0a4..23193bc0d 100644
--- a/os/io/platforms/STM32/spi_lld.h
+++ b/os/io/platforms/STM32/spi_lld.h
@@ -27,19 +27,32 @@
 #ifndef _SPI_LLD_H_

 #define _SPI_LLD_H_

 

+#undef FALSE

+#undef TRUE

+#include <stm32f10x.h>

+#define FALSE 0

+#define TRUE (!FALSE)

+

 /*===========================================================================*/

 /* Driver pre-compile time settings.                                         */

 /*===========================================================================*/

 

 /**

- * @brief Enables the mutual exclusion APIs on the SPI bus.
+ * @brief SPI1 driver enable switch.

+ * @details If set to @p TRUE the support for SPI is included.

+ * @note The default is @p TRUE.

  */

-#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)

-#define SPI_USE_MUTUAL_EXCLUSION    TRUE

+#if !defined(USE_STM32_SPI1) || defined(__DOXYGEN__)

+#define USE_STM32_SPI1              TRUE

 #endif

 

-#if SPI_USE_MUTUAL_EXCLUSION && !CH_USE_MUTEXES && !CH_USE_SEMAPHORES

-#error "SPI_USE_MUTUAL_EXCLUSION requires CH_USE_MUTEXES and/or CH_USE_SEMAPHORES"

+/**

+ * @brief SPI1 driver enable switch.

+ * @details If set to @p TRUE the support for SPI is included.

+ * @note The default is @p TRUE.

+ */

+#if !defined(USE_STM32_SPI2) || defined(__DOXYGEN__)

+#define USE_STM32_SPI2              TRUE

 #endif

 

 /*===========================================================================*/

@@ -50,9 +63,9 @@
  * @brief Driver state machine possible states.
  */

 typedef enum {

-  SPI_UNINIT = 0,//!< SPI_UNINIT

-  SPI_IDLE = 1,  //!< SPI_IDLE

-  SPI_ACTIVE = 2 //!< SPI_ACTIVE

+  SPI_UNINIT = 0,

+  SPI_IDLE = 1,

+  SPI_ACTIVE = 2

 } spistate_t;

 

 /**

@@ -85,16 +98,28 @@ typedef struct {
 #endif

 #endif /* SPI_USE_MUTUAL_EXCLUSION */

   /**

-   * Current configuration data.

+   * @brief Current configuration data.

    */

   const SPIConfig       *spd_config;

   /* End of the mandatory fields.*/

+  SPI_TypeDef           *spd_spi;

+  DMA_Channel_TypeDef   *spd_dmarx;

+  DMA_Channel_TypeDef   *spd_dmatx;

 } SPIDriver;

 

 /*===========================================================================*/

 /* External declarations.                                                    */

 /*===========================================================================*/

 

+/** @cond never*/

+#if USE_STM32_SPI1

+extern SPIDriver SPID1;

+#endif

+

+#if USE_STM32_SPI2

+extern SPIDriver SPID2;

+#endif

+

 #ifdef __cplusplus

 extern "C" {

 #endif

@@ -106,6 +131,7 @@ extern "C" {
 #ifdef __cplusplus

 }

 #endif

+/** @endcond*/

 

 #endif /* _SPI_LLD_H_ */

 

diff --git a/os/io/spi.h b/os/io/spi.h
index bb4244944..54409fe76 100644
--- a/os/io/spi.h
+++ b/os/io/spi.h
@@ -27,6 +27,17 @@
 #ifndef _SPI_H_

 #define _SPI_H_

 

+/**

+ * @brief Enables the mutual exclusion APIs on the SPI bus.

+ */

+#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)

+#define SPI_USE_MUTUAL_EXCLUSION    TRUE

+#endif

+

+#if SPI_USE_MUTUAL_EXCLUSION && !CH_USE_MUTEXES && !CH_USE_SEMAPHORES

+#error "SPI_USE_MUTUAL_EXCLUSION requires CH_USE_MUTEXES and/or CH_USE_SEMAPHORES"

+#endif

+

 #include "spi_lld.h"

 

 #ifdef __cplusplus

diff --git a/os/io/templates/spi_lld.h b/os/io/templates/spi_lld.h
index 26a70d0a4..37f14781e 100644
--- a/os/io/templates/spi_lld.h
+++ b/os/io/templates/spi_lld.h
@@ -50,9 +50,9 @@
  * @brief Driver state machine possible states.
  */

 typedef enum {

-  SPI_UNINIT = 0,//!< SPI_UNINIT

-  SPI_IDLE = 1,  //!< SPI_IDLE

-  SPI_ACTIVE = 2 //!< SPI_ACTIVE

+  SPI_UNINIT = 0,

+  SPI_IDLE = 1,

+  SPI_ACTIVE = 2

 } spistate_t;

 

 /**

@@ -85,7 +85,7 @@ typedef struct {
 #endif

 #endif /* SPI_USE_MUTUAL_EXCLUSION */

   /**

-   * Current configuration data.

+   * @brief Current configuration data.

    */

   const SPIConfig       *spd_config;

   /* End of the mandatory fields.*/