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# Release Notes for STM324x9I_EVAL Evaluation Board Drivers Copyright 2015 STMicroelectronics
## Update History ### V2.2.1 / 07-October-2015 Main Changes stm324x9i_eval.c/.h Rework LCD initialization to ensure refresh rate of 60Hz. Add new API "BSP_LCD_InitEx(uint32_t PclkConfig)" to propoerly manage LTCD pixel clock configuration. Update "BSP_LCD_Init" to call new API BSP_LCD_InitEx(). Add LCD_MAX_PCLK/LCD_MIN_PCLK defines. Add BSP_LCD_InitEx() function prototype. Update VBP and HBP values used to calculate AccumulatedActiveH and AccumulatedActiveW for AMPIRE 480x272 stm324x9i_eval_ts.c: Update BSP_TS_GetState() to return correct values of Touch Screen status and positions. ### V2.2.0 / 14-August-2015 Main Changes stm324x9i_eval.c Add AUDIO_IO_DeInit() function to align with Common V4.0.0 stm324x9i _eval_audio.c Remove CODEC_Reset() function ### V2.1.0 / 26-June-2015 Main Changes stm324x9i_eval.c/.h Update to support new 5.7" VGA LCD (AM640480FTNQW-T07H-A) Update I2Cx_ReadMultiple() API to considers the multiple read of the exc7200 touch screen position Add BSP_TS3510_IsDetected() API to detect which LCD is mounted on the board In header file, add new defines for ts3510 and exc7200 touch screen components I2C addresses stm324x9i _eval_ts.c/.h Update to support new 5.7" VGA LCD (AM640480FTNQW-T07H-A) Update BSP_TS_Init() API to initialize the connected LCD device Update BSP_TS_GetState() API to calculate the (x,y) position for the mounted LCD device In header file, update to include the new touch screen component driver (exc7200) stm324x9i _eval_sdram.c/.h Update BSP_SDRAM_Init() API to set the right column bits number configuration according to the IS42S32800(ISSI) component available on the board ### V2.0.4 / 03-March-2015 Main Changes stm324x9i_eval.c/.h Align to STM32F4xx HAL Driver V1.3.0 for __HAL_RCC_PPP_CLK_ENABLE() stm324x9i _eval_audio.c/.h BSP_AUDIO_OUT_Play()/BSP_AUDIO_OUT_ChangeBuffer() add cast uint8_t on data pointer: update according to the HAL SAI driver update to support companding mode which works only with data type on 8-bits. stm324x9i _eval_lcd.c BSP_LCD_Init() update to check if DATA_IN_ExtSDRAM is enabled or not to avoid the re-initialization for SDRAM interface. ### V2.0.3 / 10-December-2014 Main Changes stm324x9i_eval.c/.h Change I2C_SPEED used define by BSP_I2C_SPEED stm324x9i_eval_camera.c BSP_CAMERA_Init(): Update the Initialization and Stop APIs to set and reset the STANDBY pin (to avoid conflict with SDCard detect pin) stm324x9i_eval_camera.h, stm324x9i_eval_audio.h, stm324x9i_eval_eeprom.h, stm324x9i_eval_io.h, stm324x9i_eval_ts.h and stm324x9i_eval_lcd.c/.h Change "\" by "/" in the include path to fix compilation issue under Linux stm324x9i_eval_nor.c/.h Change NOR status definition NOR_OK and NOR_ERROR by NOR_STATUS_OK and NOR_STATUS_ERROR, respectively stm324x9i_eval_sdram.c BSP_SDRAM_Initialization_sequence(): Fix wrong configuration of the burst length Miscellaneous comments update ### V2.0.2 / 19-June-2014 Main Changes stm324x9i_eval.c/.h Add protection for double initialization of IO_Init within LCD_IO_Init() Enhance BSP_PB_Init() function by removing the call of __SYSCFG_CLK_ENABLE() already enabled in the HAL_GPIO_Init() stm324x9i _eval_audio.c/.h Add note that only the audio stereo format is supported stm324x9i_eval_sd.c/.h Ensure compatibility with the updated version of FatFs sd_diskio driver (i.e. FatFs R0.10 ST modified 20140422) supporting SDIO/SPI to interface uSD stm324x9i_eval_lcd.c/.h Update LCD clock configuration of 5.7" screen to avoid flicker effect within BSP_LCD_Init() Comments clean up and typo corrections ### V2.0.1 / 26-February-2014 Main Changes stm324x9i_eval_sd.c/.h Update SD_DATATIMEOUT value stm324x9i_eval_eeprom.c/.h Update usage of BSP_EEPROM_TIMEOUT_UserCallback() function ### V2.0.0 / 18-February-2014 Main Changes Major update based on STM32Cube specification: drivers architecture and APIs modified vs. V1.0.3, and thus the 2 versions are not compatible. This version has to be used only with STM32CubeF4 based development ### V1.0.3 / 13-November-2013 Main Changes stm324x9i_eval_ioe8.c/.h Enhance the Touch panel detection in IOE_TS_GetState() function : Add a check on FIFO Threshold value before reading X and Y position Known Limitations stm324x9i_eval_audio_codec.c/.h If 2 audio streams are played in TDM format (the first stream is configured in codec SLOT0 and second stream in codec SLOT1) the Pause/Resume, Volume Control and Mute action will apply on both streams. ### V1.0.2 / 08-November-2013 Main Changes stm324x9i_eval_lcd.c Update BUFFER_OFFSET define value from 0x130000 to 0x12C000 and comment to explain how to compute this value LCD_DeInit() function: remove SDRAM pins configuration, this is done in SDRAM driver LCD_Init() function: in case where AMPIRE 640x480 LCD is used, add a call to LCD_I2C_Config() to initialize I2C for touch panel usage Update and optimize LCD_Clear() function Update and optimize putPixel() function: write directly to the SDRAM instead of the use of LCD_DrawLine() function GetPosition() function: add more comments in the header about the format of the data returned by this function GetPosition() function: remove the I2C configuration (it's already done in LCD_Init() function) LCD_CheckDevice() function: replace LCD_I2C_Config() by IOE_Config() LCD_I2C_Config() function: add a test, if I2C is already configured, then there is no need to reconfigure it again stm324x9i_eval_ioe8.c/.h Remove EXTI line configuration macros Remove VERIFY_WRITTENDATA macro, and remove verify written data block from I2C_WriteDeviceRegister() function stm324x9i_eval_ioe16.c/.h Remove VERIFY_WRITTENDATA macro, and remove verify written data block from IOE16_I2C_WriteDeviceRegister() function stm324x9i_eval_audio_codec.c/.h In Audio_MAL_IRQHandler() Remove local variables pAddr and Size and replace them by existing global variables CurrentPos and AudioRemSize Known Limitations stm324x9i_eval_audio_codec.c/.h If 2 audio streams are played in TDM format (the first stream is configured in codec SLOT0 and second stream in codec SLOT1) the Pause/Resume, Volume Control and Mute action will apply on both streams. ### V1.0.1 / 11-October-2013 Main Changes stm324x9i_eval_lcd.c Update LCD_DisplayOff() function : Remove GPIO PA8 and PC6 configuration in low level, as we don't need to configure any more these GPIO w/ STM32x9I-EVAL Boards RevB Add comments for LCD_GetPosition() and LCD_CheckDevice function stm324x9i_eval_ioe8.c/.h Update IOE_TS_GetState() function : Enhance the TS detection algorithm Update IOE_TS_Config() function : Update IOE FIFO threshold register value to 0x01 instead of 0x0F and update touch screen operation mode register value to 0x01 instead of 0x03 Add condition in IOE_GPIO_Config() and IOE_I2C_Config() functions to prevent I2C and its GPIOs reconfiguration Update I2C_ReadDataBuffer() function: remove check at "I2C_FLAG_BUSY" in the beginning of the function stm324x9i_eval_ioe16.c/.h Add condition in IOE16_GPIO_Config() and IOE16_I2C_Config() functions to prevent I2C and its GPIOs reconfiguration Known Limitations stm324x9i_eval_audio_codec.c/.h If 2 audio streams are played in TDM format (the first stream is configured in codec SLOT0 and second stream in codec SLOT1) the Pause/Resume, Volume Control and Mute action will apply on both streams. ### V1.0.0 / 19-September-2013 Main Changes First official release for STM324x9I_EVAL board drivers. Known Limitations stm324x9i_eval_audio_codec.c/.h If 2 audio streams are played in TDM format (the first stream is configured in codec SLOT0 and second stream in codec SLOT1) the Pause/Resume, Volume Control and Mute action will apply on both streams. ## License Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. For complete documentation on STM32 Microcontrollers visit www.st.com/STM32