CEC_Example

  ******************** (C) COPYRIGHT 2010 STMicroelectronics *******************
  * @file    CEC/readme.txt 
  * @author  MCD Application Team
  * @version V3.4.0
  * @date    10/15/2010
  * @brief   Description of the CEC example.
  ******************************************************************************
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Description

This example provides a basic communication between two HDMI-CEC devices using interrupts. The first and second CEC device send TransmitBuffer to the CEC other device. The data received by the first and second CEC device are stored respectively in ReceiveBuffer. The data transfer is managed in CEC_IRQHandler in stm32f10x_it.c file.

The example illustrates the use of the CEC communication between two devices (2 x STM32100B-EVAL boards). Each device can send a frame to the other device by pressing the user key button on the EVAL board.

Directory contents
Hardware and Software environment
Note:
  • You can also use more than two CEC devices as much as you want by changing only the Device address and selecting the corresponding followers.
  • You can use also the STM3210B-EVAL with the UM0685 associated firmware as a CEC device. This configuration is available only when use a simple wire connected between STM3210B-EVAL PA.00 and STM32100B-EVAL PB.08 or STM32100E-EVAL PB.08 pins. Don't forget to add a 27KOhm pull-up resistor on the STM3210B-EVAL PA.00 and to to connect all boards grounds together.

In order to make the program work, you must do the following :

Tip: You can tailor the provided project template to run this example, for more details please refer to "stm32f10x_stdperiph_lib_um.chm" user manual; select "Peripheral Examples" then follow the instructions provided in "How to proceed" section.

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 devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 256 and 512 Kbytes.
  • High-density Value line devices are STM32F100xx 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.

© COPYRIGHT 2010 STMicroelectronics

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