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authorTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:24:18 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:29:25 +0100
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-/**
- @page SPI_FullDuplex_SoftNSS SPI Full Duplex Software NSS example
-
- @verbatim
- ******************** (C) COPYRIGHT 2011 STMicroelectronics *******************
- * @file SPI/FullDuplex_SoftNSS/readme.txt
- * @author MCD Application Team
- * @version V3.5.0
- * @date 08-April-2011
- * @brief Description of the SPI Full Duplex Software NSS example.
- ******************************************************************************
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- ******************************************************************************
- @endverbatim
-
-@par Example Description
-
-This example provides a description of how to set a communication between SPIy and
-SPIz in full-duplex mode and performs a transfer from Master to Slave and then
-Slave to Master in the same application with software NSS management.
-SPIy and SPIz can be SPI1 and SPI2 or SPI3 and SPI2, depending on the STMicroelectronics
-EVAL board you are using.
-
-Both SPIs are configured with 8bit data frame and a 9Mbit/s communication speed.
-(for Value line devices the speed is set at 6Mbit/s).
-In the first phase, the master SPIy starts the SPIy_Buffer_Tx transfer while the
-slave SPIz transmit SPIz_Buffer_Tx. Once the transfer is completed a comparison
-is done and TransferStatus1 and TransferStatus2 gives the data transfer status for
-each data transfer direction where it is PASSED if transmitted and received data
-are the same otherwise it is FAILED.
-
-As the NSS pin is managed by software, this permit to SPIy to become slave and SPIz
-to become master without hardware modification.
-In the second step, the slave SPIy starts the SPIy_Buffer_Tx transfer while the
-master SPIz transmit SPIz_Buffer_Tx. Once the transfer is completed a comparison
-is done and TransferStatus3 and TransferStatus4 gives the data transfer status for
-each data transfer direction where it is PASSED if transmitted and received data
-are the same otherwise it is FAILED.
-
-
-@par Directory contents
-
- - SPI/FullDuplex_SoftNSS/platform_config.h Evaluation board specific configuration file
- - SPI/FullDuplex_SoftNSS/stm32f10x_conf.h Library Configuration file
- - SPI/FullDuplex_SoftNSS/stm32f10x_it.c Interrupt handlers
- - SPI/FullDuplex_SoftNSS/stm32f10x_it.h Interrupt handlers header file
- - SPI/FullDuplex_SoftNSS/main.c Main program
- - SPI/FullDuplex_SoftNSS/system_stm32f10x.c STM32F10x system source file
-
-@par Hardware and Software environment
-
- - This example runs on STM32F10x Connectivity line, High-Density, High-Density
- Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density
- and Low-Density Value line Devices.
-
- - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density
- Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line),
- STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density)
- evaluation boards and can be easily tailored to any other supported device
- and development board.
- To select the STMicroelectronics evaluation board used to run the example,
- uncomment the corresponding line in SPI/FullDuplex_SoftNSS/platform_config.h file.
-
- - STM32100E-EVAL Set-up
- - Connect SPI1 SCK pin (PA.05) to SPI2 SCK pin (PB.13)
- - Connect SPI1 MISO pin (PA.06) to SPI2 MISO pin (PB.14)
- - Connect SPI1 MOSI pin (PA.07) to SPI2 MOSI pin (PB.15)
-
- - STM32100B-EVAL Set-up
- - Connect SPI1 SCK pin (PA.05) to SPI2 SCK pin (PB.13)
- - Connect SPI1 MISO pin (PA.06) to SPI2 MISO pin (PB.14)
- - Connect SPI1 MOSI pin (PA.07) to SPI2 MOSI pin (PB.15)
-
- - STM3210C-EVAL Set-up
- - Connect SPI3 SCK pin (PC.10) to SPI2 SCK pin (PB.13)
- - Connect SPI3 MISO pin (PC.11) to SPI2 MISO pin (PB.14)
- - Connect SPI3 MOSI pin (PC.12) to SPI2 MOSI pin (PB.15)
- @note In this case SPI3 pins are remapped by software.
-
- - STM3210E-EVAL Set-up
- - Connect SPI1 SCK pin (PA.05) to SPI2 SCK pin (PB.13)
- - Connect SPI1 MISO pin (PA.06) to SPI2 MISO pin (PB.14)
- - Connect SPI1 MOSI pin (PA.07) to SPI2 MOSI pin (PB.15)
- @note The jumper 14 (USB Disconnect) must be set in position 1<->2 in order
- to not interfer with SPI2 MISO pin PB14.
-
- - STM3210B-EVAL Set-up
- - Connect SPI1 SCK pin (PA.05) to SPI2 SCK pin (PB.13)
- - Connect SPI1 MISO pin (PA.06) to SPI2 MISO pin (PB.14)
- - Connect SPI1 MOSI pin (PA.07) to SPI2 MOSI pin (PB.15)
-
-@par How to use it ?
-
-In order to make the program work, you must do the following :
- - Copy all source files from this example folder to the template folder under
- Project\STM32F10x_StdPeriph_Template
- - Open your preferred toolchain
- - Rebuild all files and load your image into target memory
- - Run the example
-
-@note
- - Low-density Value line devices are STM32F100xx microcontrollers where the
- Flash memory density ranges between 16 and 32 Kbytes.
- - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
- microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
- - Medium-density Value line devices are STM32F100xx microcontrollers where
- the Flash memory density ranges between 64 and 128 Kbytes.
- - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
- microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
- - High-density Value line devices are STM32F100xx microcontrollers where
- the Flash memory density ranges between 256 and 512 Kbytes.
- - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
- the Flash memory density ranges between 256 and 512 Kbytes.
- - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
- the Flash memory density ranges between 512 and 1024 Kbytes.
- - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
-
- * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
- */