Moved platform

git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@222 05563f52-14a8-4384-a975-3d1654cca0fa
2017-09-28 17:50:54 +00:00
parent 1275af9cda
commit 1026e47257
11 changed files with 0 additions and 0 deletions
--- a/Code/Platform/src/spi.c
+++ b/Code/Platform/src/spi.c
@@ -0,0 +1,154 @@
+// -----------------------------------------------------------------------------
+/// @file  spi.c
+/// @brief Description
+// -----------------------------------------------------------------------------
+//  Micro-Key bv
+//  Industrieweg 28, 9804 TG Noordhorn
+//  Postbus 92, 9800 AB Zuidhorn
+//  The Netherlands
+//  Tel: +31 594 503020
+//  Fax: +31 594 505825
+//  Email: support@microkey.nl
+//  Web: www.microkey.nl
+// -----------------------------------------------------------------------------
+/// $Revision$
+/// $Author$
+/// $Date$
+//  (c) 2017 Micro-Key bv
+// -----------------------------------------------------------------------------
+
+/// @file spi.c
+/// @ingroup {group_name}
+
+
+// -----------------------------------------------------------------------------
+// Include files
+// -----------------------------------------------------------------------------
+
+#include <stdbool.h>
+
+#include "spi.h"
+
+// -----------------------------------------------------------------------------
+// Constant and macro definitions
+// -----------------------------------------------------------------------------
+
+
+
+// -----------------------------------------------------------------------------
+// Type definitions
+// -----------------------------------------------------------------------------
+
+
+// -----------------------------------------------------------------------------
+// File-scope variables
+// -----------------------------------------------------------------------------
+
+
+// -----------------------------------------------------------------------------
+// Function declarations
+// -----------------------------------------------------------------------------
+
+
+// -----------------------------------------------------------------------------
+// Function definitions
+// -----------------------------------------------------------------------------
+
+
+ErrorStatus SPI_construct(struct Spi* self, const struct SpiParameters* parameters)
+{
+   ErrorStatus returnValue = SUCCESS;
+
+   if (!self->initialized)
+
+   {
+      //! Create semaphore to synchronize with USART interrupt handler
+      vSemaphoreCreateBinary(self->txSemaphore);
+
+      //! Create semaphore to avoid multiple usage
+      vSemaphoreCreateBinary(self->spiClaimed);
+
+      SPI_I2S_DeInit(self->SPI_TypeDef);
+
+      self->SPI_InitStruct.SPI_Direction         = parameters->SPI_Direction;
+      self->SPI_InitStruct.SPI_Mode              = parameters->SPI_Mode;
+      self->SPI_InitStruct.SPI_DataSize          = parameters->SPI_DataSize;
+      self->SPI_InitStruct.SPI_CPOL              = parameters->SPI_CPOL;
+      self->SPI_InitStruct.SPI_CPHA              = parameters->SPI_CPHA;
+      self->SPI_InitStruct.SPI_NSS               = parameters->SPI_NSS;
+      self->SPI_InitStruct.SPI_BaudRatePrescaler = parameters->SPI_BaudRatePrescaler;
+      self->SPI_InitStruct.SPI_FirstBit          = parameters->SPI_FirstBit;
+      self->SPI_InitStruct.SPI_CRCPolynomial     = parameters->SPI_CRCPolynomial;
+      SPI_Init(self->SPI_TypeDef, &self->SPI_InitStruct);
+
+      //! Enable USART interface
+      SPI_Cmd(self->SPI_TypeDef, ENABLE);
+
+      //! Create a new FREERTOS queue to handle data from app to SPI output
+      self->txQueue = xQueueCreate(parameters->txQueueSize, sizeof(struct spiQueueItem));
+      //! Create a new FREERTOS queue to handle data from SPI input to app
+      self->rxQueue = xQueueCreate(parameters->rxQueueSize, sizeof(struct spiQueueItem));
+      //! Queue identifier must not be 0 (0 means that the queue is not available)
+      if (self->txQueue == 0)
+      {
+        //! Queue identifier is 0 -> error
+         returnValue = ERROR;                      //! Set error flag
+      }
+      if (self->rxQueue == 0)
+      {
+        //! Queue identifier is 0 -> error
+         returnValue = ERROR;                      //! Set error flag
+      }
+      //! Queue identifier is not 0 -> queue is available
+
+      //! take txSemaphore
+      if (xSemaphoreTake(self->txSemaphore, 0) == pdFALSE)
+      {
+        //! An error has occurred
+         returnValue = ERROR;
+      }
+
+      if (returnValue == SUCCESS)
+      {
+        //! Enable the UART RX not empty interrupt
+//        SPI_I2S_ITConfig(self->SPI_TypeDef, SPI_I2S_IT_RXNE, ENABLE);
+      }
+
+      if (returnValue == SUCCESS)
+      {
+         self->initialized = true;
+      }
+   }
+   return returnValue;
+}
+
+
+ErrorStatus SPI_destruct (struct Spi* self)
+{
+   ErrorStatus returnValue = SUCCESS;
+
+   self->initialized = false;
+
+   return returnValue;
+}
+
+
+ErrorStatus SPI_getDefaultParameters(struct SpiParameters* parameters)
+{
+   ErrorStatus returnValue = SUCCESS;
+
+   parameters->SPI_BaudRatePrescaler = SPI_DEF_BaudRatePrescaler;
+   parameters->SPI_CPHA = SPI_DEF_CPHA;
+   parameters->SPI_CPOL = SPI_DEF_CPOL;
+   parameters->SPI_CRCPolynomial = SPI_DEF_CRCPolynomial;
+   parameters->SPI_DataSize = SPI_DEF_DataSize;
+   parameters->SPI_Direction = SPI_DEF_Direction;
+   parameters->SPI_FirstBit = SPI_DEF_FirstBit;
+   parameters->SPI_Mode = SPI_DEF_Mode;
+   parameters->SPI_NSS = SPI_DEF_NSS;
+   parameters->rxQueueSize = SPI_DEF_RX_QUEUE;
+   parameters->txQueueSize = SPI_DEF_TX_QUEUE;
+
+   return returnValue;
+}
+