ST Expansion SW Team / X_NUCLEO_COMMON_SPI3W

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Fork of X_NUCLEO_COMMON_SPI3W by Licio Mapelli

Files at this revision

API Documentation at this revision

Revision 25:e4f6488865d1, committed 2017-08-31

Comitter:
mapellil
Date:
Thu Aug 31 11:24:35 2017 +0200
Parent:
24:95fd537e9725
Commit message:
Modifications to support mbed-os pull req https://github.com/ARMmbed/mbed-os/pull/4975

Changed in this revision

DevSPI3W/SPI3W.cpp Show annotated file Show diff for this revision Revisions of this file
DevSPI3W/SPI3W.h Show annotated file Show diff for this revision Revisions of this file 
--- a/DevSPI3W/SPI3W.cpp	Wed May 24 13:21:01 2017 +0000
+++ b/DevSPI3W/SPI3W.cpp	Thu Aug 31 11:24:35 2017 +0200
@@ -75,18 +75,13 @@
  * @retval 1 in case of failure
  */
 uint8_t SPI3W::Sensor_IO_SPI_Write( DigitalOut * _cs_pin, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite )
-{
-  uint8_t i;
-    
+{   
 // Select the correct device
   Sensor_IO_SPI_CS_Enable(_cs_pin);
 
-    write(WriteAddr);
-    
-  for(i=0;i<nBytesToWrite;i++)
-  {
-        write(pBuffer[i]);
-  }
+  write(WriteAddr);
+  write((char *)pBuffer, (int) nBytesToWrite, NULL, 0); 
+
 // Deselect the device
   Sensor_IO_SPI_CS_Disable(_cs_pin);
   
@@ -107,31 +102,6 @@
    return Sensor_IO_SPI_Write( _cs_pin, WriteAddr, pBuffer, nBytesToWrite );
 }
 
-
-/**
- * @brief  This function reads a single byte on SPI 3-wire.
- * @param  xSpiHandle : SPI Handler.
- * @param  val : value.
- * @retval None
- */
-void SPI3W::SPI_Read(SPI_HandleTypeDef* xSpiHandle, uint8_t *val)
-{
-  *val = spi_slave_read(&_spi);
-}
-
-/**
- * @brief  This function reads multiple bytes on SPI 3-wire.
- * @param  xSpiHandle: SPI Handler.
- * @param  val: value.
- * @param  nBytesToRead: number of bytes to read.
- * @retval None
- */
-void SPI3W::SPI_Read_nBytes(SPI_HandleTypeDef* xSpiHandle, uint8_t *val, uint16_t nBytesToRead)
-{
-	for (int i=0; i<nBytesToRead; i++) *(val+i) = spi_slave_read(&_spi);  
-}	
-
-
 /**
  * @brief  Reads a from the sensor to buffer
  * @param  handle instance handle
@@ -146,10 +116,9 @@
   /* Select the correct device */
   Sensor_IO_SPI_CS_Enable(_cs_pin);
    
-  /* Write Reg Address with RD bit*/
-  write(ReadAddr | 0x80);
-
-  SPI_Read_nBytes(&_spi.spi.handle, pBuffer, nBytesToRead);
+  /* Write RD Reg Address with RD bit*/
+   uint8_t TxByte = ReadAddr | 0x80;    
+   write((char *)&TxByte, 1, (char *)pBuffer, (int) nBytesToRead);
   
   /* Deselect the device */
   Sensor_IO_SPI_CS_Disable(_cs_pin);  

--- a/DevSPI3W/SPI3W.h	Wed May 24 13:21:01 2017 +0000
+++ b/DevSPI3W/SPI3W.h	Thu Aug 31 11:24:35 2017 +0200
@@ -68,8 +68,6 @@
 private:
      uint8_t Sensor_IO_Read( DigitalOut * _cs_pin, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead );
      uint8_t Sensor_IO_SPI_Read( DigitalOut * _cs_pin, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead );
-     void    SPI_Read(SPI_HandleTypeDef* xSpiHandle, uint8_t *val);
-     void    SPI_Read_nBytes(SPI_HandleTypeDef* xSpiHandle, uint8_t *val, uint16_t nBytesToRead);
 
      uint8_t Sensor_IO_Write( DigitalOut * _cs_pin, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite );
      uint8_t Sensor_IO_SPI_Write( DigitalOut * _cs_pin, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite );