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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 I2C_EEPROM I2C and M24CXX EEPROM communication example
-
- @verbatim
- ******************** (C) COPYRIGHT 2011 STMicroelectronics *******************
- * @file I2C/EEPROM/readme.txt
- * @author MCD Application Team
- * @version V3.5.0
- * @date 08-April-2011
- * @brief Description of the I2C and M24CXX EEPROM communication 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 basic example of how to use the I2C firmware library and
-an associate I2C EEPROM driver to communicate with an I2C EEPROM device (here the
-example is interfacing with M24CXX EEPROMs where XX={01, 02, 04, 08, 16, 32, 64}.
-
-I2C peripheral is configured in Master transmitter during write operation and in
-Master receiver during read operation from I2C EEPROM.
-
-The peripheral used is I2C1 but can be configured by modifying the defines values
-in stm32_eval_i2c_ee.c file. The speed is set to 200kHz and can be configured to
-other values by setting the define I2C_SPEED in stm32_eval_i2c_ee.h file.
-All transfers are performed through DMA access (except for One Byte Receiving case)
-which allows user application to perform parallel tasks while transfer to/from
-EEPROM is ongoing.
-
-For M24C02 to M24C16 devices, one I2C EEPROM Block address where the program will
-write the buffer have to be selected from the four address available and defined
-in the stm32_eval_i2c_ee.h file.
-
-For M24C32 and M24C64 devices all the memory is accessible through the two-bytes
-addressing mode and need to define block addresses. In this case, only the physical
-address has to be defined (according to the address pins (E0,E1 and E2) connection).
-This address is defined in stm32_eval_i2c_ee.c.h (default is 0xA0: E0, E1 and E2
-tied to ground).
-The EEPROM addresses where the program start the write and the read operations
-is defined in the main.c file.
-
-First, the content of Tx1_Buffer is written to the EEPROM_WriteAddress1 and the
-written data are read. The written and the read buffers data are then compared.
-Following the read operation, the program waits that the EEPROM reverts to its
-Standby state. A second write operation is, then, performed and this time, Tx2_Buffer
-is written to EEPROM_WriteAddress2, which represents the address just after the last
-written one in the first write. After completion of the second write operation, the
-written data are read. The contents of the written and the read buffers are compared.
-
-
-@par Directory contents
-
- - I2C/EEPROM/stm32f10x_conf.h Library Configuration file
- - I2C/EEPROM/stm32f10x_it.c Interrupt handlers
- - I2C/EEPROM/stm32f10x_it.h Interrupt handlers header file
- - I2C/EEPROM/main.c Main program
- - I2C/EEPROM/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 STM32100E-EVAL (STM32F10x High-Density Value
- line) evaluation board (implemented EEPROM is M24C64) and STM3210C-EVAL
- (STM32F10x Connectivity-Line) evaluation board (implemented EEPROM is M24C64)
- with no additional hardware, and can be easily tailored to any other supported
- device and development board.
-
- - STM32100E-EVAL Set-up
- - Make sure the jumper JP14 "ROM_WP" is fitted on the board.
- - No additional Hardware connections are needed.
-
-
- - STM3210C-EVAL Set-up
- - Make sure the Jumper JP17 "I2C_SCK" is fitted on the board.
- - Make sure the jumper JP9 "ROM_WP" is fitted on the board.
- - No additional Hardware connections are needed.
-
-@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>
- */