diff options
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/readme.txt')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/readme.txt | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/readme.txt b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/readme.txt deleted file mode 100644 index f5118ec..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/readme.txt +++ /dev/null @@ -1,103 +0,0 @@ -/** - @page DMA_I2C_RAM DMA I2C to RAM example - - @verbatim - ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* - * @file DMA/I2C_RAM/readme.txt - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Description of the DMA I2C 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 two DMA channels to transfer a -data buffer from memory to I2C2 through I2C1. - -I2C1 is set as the master transmitter and I2C2 as the slave receiver. DMA1 Channel5 is -configured to store the data received from I2C2 into the Rx buffer (reception buffer). -DMA1 Channel6 is configured to transfer data from the Tx buffer (transmission buffer) -to the I2C1 DR register. After the generation of the Start condition and once the slave -address has been acknowledged, DMA capability is enabled for both I2C1 and I2C2. -As soon as the two I2C DMAEN bits are set in the I2C1_CR2 and I2C2_CR2 registers, -the transmission of the Tx buffer is started by DMA1 Channel5 and at the same time the -data received on I2C2 is stored in Rx buffer using DMA1 Channel6 . -The transmitted and the received buffers are compared to check that all data have been -correctly transferred. - - -@par Directory contents - - - DMA/I2C_RAM/stm32f10x_conf.h Library Configuration file - - DMA/I2C_RAM/stm32f10x_it.c Interrupt handlers - - DMA/I2C_RAM/stm32f10x_it.h Interrupt handlers header file - - DMA/I2C_RAM/main.c Main program - - DMA/I2C_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 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. - This example can't be tested with STMicroelectronics STM3210C-EVAL (STM32F10x - Connectivity-Line) evaluation boards since the I2C2 pins (PB10 and PB11) are - already used by Ethernet PHY module. - This example can't be tested with STMicroelectronics STM32100B-EVAL (STM32F10x - Medium-Density Value line) and STM32100E-EVAL (High-Density Value line) - evaluation boards since the I2C1/I2C2 pins (PB6/PB10 and PB7/PB11) are already - used by HDMI-CEC module. - - - STM3210E-EVAL Set-up - - Connect I2C1 SCL pin (PB.06) to I2C2 SCL pin (PB.10) - - Connect I2C1 SDA pin (PB.07) to I2C2 SDA pin (PB.11) - - Check that a pull-up resistor is connected on one I2C SDA pin - - Check that a pull-up resistor is connected on one I2C SCL pin - - - STM3210B-EVAL Set-up - - Connect I2C1 SCL pin (PB.06) to I2C2 SCL pin (PB.10) - - Connect I2C1 SDA pin (PB.07) to I2C2 SDA pin (PB.11) - - Check that a pull-up resistor is connected on one I2C SDA pin - - Check that a pull-up resistor is connected on one I2C SCL pin - -@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>© COPYRIGHT 2011 STMicroelectronics</center></h3> - */ |