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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 DMA_SPI_RAM DMA SPI to RAM example
-
- @verbatim
- ******************** (C) COPYRIGHT 2011 STMicroelectronics *******************
- * @file DMA/SPI_RAM/readme.txt
- * @author MCD Application Team
- * @version V3.5.0
- * @date 08-April-2011
- * @brief Description of the DMA SPI to RAM 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 use four DMA channels to transfer
-a data buffer from memory to SPI_SLAVE through SPI_MASTER and a second data buffer
-from memory to SPI_MASTER through SPI_SLAVE in full-duplex mode.
-SPI_MASTER and SPI_SLAVE can be SPI1 and SPI2 or SPI3 and SPI2, depending on the
-STMicroelectronics EVAL board you are using.
-
-For each SPI the NSS pin is configured by software (thus NSS pin is free for GPIO use)
-and DMA Tx/Rx requests are enabled.
-
-In this example both transmission and reception are managed through DMA and the
-received data are stored into buffers declared in the SRAM. The DMA channels
-involved in this transfer depend on the used SPIs (for more details please refer
-to platform_config.h file).
-
-A polling on all Transfer complete flags are done for all used DMA channels to
-check the end of all DMA channels transfers. The last received data on SPI_MASTER
-and SPI_SLAVE are the CRC values sent by each SPI to the other.
-The transmitted and received buffers are compared to check that all data have
-been correctly transferred.
-
-
-@par Directory contents
-
- - DMA/SPI_RAM/platform_config.h Evaluation board specific configuration file
- - DMA/SPI_RAM/stm32f10x_conf.h Library Configuration file
- - DMA/SPI_RAM/stm32f10x_it.c Interrupt handlers
- - DMA/SPI_RAM/stm32f10x_it.h Interrupt handlers header file
- - DMA/SPI_RAM/main.c Main program
- - DMA/SPI_RAM/system_stm32f10x.c STM32F10x system source file
-
-@par Hardware and Software environment
-
- - This example runs on STM32F10x Connectivity line, High-Density, Medium-Density,
- XL-Density, High-Density Value line, 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), STM32100E-EVAL (High-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.
-
- - 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>
- */