c9562e8bfd
- HAL re-organized - FreeRTOS running stable - UART finished - SPI1 & SPI3 finished and functional - Display driver added (functional) git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@172 05563f52-14a8-4384-a975-3d1654cca0fa
137 lines
4.7 KiB
C
137 lines
4.7 KiB
C
// -----------------------------------------------------------------------------
|
|
/// @file spi.h
|
|
/// @brief File 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
|
|
// -----------------------------------------------------------------------------
|
|
|
|
/// @defgroup {group_name} {group_description}
|
|
/// Description
|
|
|
|
/// @file spi.h
|
|
/// @ingroup {group_name}
|
|
|
|
|
|
#ifndef MISC_INC_SPI_H_
|
|
#define MISC_INC_SPI_H_
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Include files
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "FreeRTOS.h"
|
|
#include "semphr.h"
|
|
|
|
#include "platform.h"
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Constant and macro definitions
|
|
// -----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Type definitions.
|
|
// -----------------------------------------------------------------------------
|
|
|
|
struct spiQueueItem
|
|
{
|
|
char byte;
|
|
};
|
|
|
|
struct Spi
|
|
{
|
|
SPI_TypeDef* SPI_TypeDef;
|
|
SPI_InitTypeDef SPI_InitStruct;
|
|
T_PL_GPIO SPI_CLK;
|
|
T_PL_GPIO* SPI_CE;
|
|
T_PL_GPIO SPI_MOSI;
|
|
T_PL_GPIO SPI_MISO;
|
|
SemaphoreHandle_t spiClaimed; //! Semaphore to protect SPI bus
|
|
//! against multiple use
|
|
SemaphoreHandle_t txSemaphore; //! Semaphore for transmit handler
|
|
//! to allow wait state while
|
|
//! transmission is active
|
|
xQueueHandle txQueue; //! SPI Transfer queue identifier
|
|
xQueueHandle rxQueue; //! SPI Receive queue identifier
|
|
bool initialized;
|
|
};
|
|
|
|
struct SpiDevice
|
|
{
|
|
struct Spi* spi;
|
|
T_PL_GPIO SPI_CE;
|
|
};
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Function declarations
|
|
// -----------------------------------------------------------------------------
|
|
|
|
/** ----------------------------------------------------------------------------
|
|
* Spi_construct
|
|
* Description of function
|
|
*
|
|
* @param self The UART object to initialize
|
|
* @param baudrate Baudrate to use
|
|
* @param wordlength Wordlength for the UART
|
|
* @param stopbits Number of stopbits to use
|
|
* @param parity Parity of the UART
|
|
* @param mode Mode (TX, RX, Both)
|
|
* @param hwFlowControl Control of hardware flow control
|
|
*
|
|
* @return ErrorStatus SUCCESS if writing message was successful
|
|
* ERROR otherwise
|
|
*
|
|
* @todo
|
|
* -----------------------------------------------------------------------------
|
|
*/
|
|
extern ErrorStatus SPI_construct(struct Spi* self, uint16_t SPI_Direction, uint16_t SPI_Mode, uint16_t SPI_DataSize, uint16_t SPI_CPOL, uint16_t SPI_CPHA, uint16_t SPI_NSS, uint16_t SPI_BaudRatePrescaler, uint16_t SPI_FirstBit, uint16_t SPI_CRCPolynomial, UBaseType_t txQueueSize, UBaseType_t rxQueueSize);
|
|
|
|
|
|
/** ----------------------------------------------------------------------------
|
|
* SPI_destruct
|
|
* Destructor for SPI interface in argument "self"
|
|
*
|
|
* @param self SPI to destruct
|
|
*
|
|
* @return ErrorStatus SUCCESS if destruct was successful
|
|
* ERROR otherwise
|
|
*
|
|
* @todo
|
|
* -----------------------------------------------------------------------------
|
|
*/
|
|
extern ErrorStatus SPI_destruct(struct Spi* self);
|
|
|
|
|
|
/** ----------------------------------------------------------------------------
|
|
* Spi_Write
|
|
* Write the data in buffer to the SPI in argument self
|
|
*
|
|
* @param self The UART class object
|
|
* @param buffer Message string to send
|
|
* @parm length Message length
|
|
*
|
|
* @return ErrorStatus SUCCESS if writing message was successful
|
|
* ERROR otherwise
|
|
*
|
|
* @todo
|
|
* -----------------------------------------------------------------------------
|
|
*/
|
|
extern ErrorStatus SPI_write (struct SpiDevice* self, const uint8_t* buffer, int length);
|
|
#endif /* MISC_INC_SPI_H_ */
|