These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
Diff: I2C/pca8581_polling/abstract.h
- Revision:
- 0:bf7b9fba3924
diff -r 000000000000 -r bf7b9fba3924 I2C/pca8581_polling/abstract.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/I2C/pca8581_polling/abstract.h Sun Mar 20 05:38:56 2011 +0000 @@ -0,0 +1,108 @@ + ******************** (C) COPYRIGHT 2010 NXPSemiconductors ******************* + * @file I2C\pc8581_polling\abstract.txt + * @author NXP MCU SW Application Team + * @version 2.0 + * @date + * @brief Description of the I2C PCA8581 example. + ****************************************************************************** + * Software that is described herein is for illustrative purposes only + * which provides customers with programming information regarding the + * products. This software is supplied "AS IS" without any warranties. + * NXP Semiconductors assumes no responsibility or liability for the + * use of the software, conveys no license or title under any patent, + * copyright, or mask work right to the product. NXP Semiconductors + * reserves the right to make changes in the software without + * notification. NXP Semiconductors also make no representation or + * warranty that such application will be suitable for the specified + * use without further testing or modification. + ****************************************************************************** + +@Example description: + Purpose: + This example describes how to use I2C to communicate with EEPROM PCA8581 + Process: + I2C is configured as master using polling mode to send/receive data. + I2C Clock Rate is set at 200K. + PCA8581 Slave address is 0xA0 (8-bit format) + After initialize and enable I2C, I2C writes 8 data to PCA8581 at address: (0x01<<3) + by using 'PCA8581_Write( )'function and then read back again these data from PCA8581. + After transmittion finished, read and write buffer will be compared, if not + familiar, the program will display an error message. + (Please see 'PCA8581.pdf' for more information about EEPROM PCA8581) + +@Directory contents: + \EWARM: includes EWARM (IAR) project and configuration files + \Keil: includes RVMDK (Keil)project and configuration files + + lpc17xx_libcfg.h: Library configuration file - include needed driver library for this example + makefile: Example's makefile (to build with GNU toolchain) + pca8581_polling.c: Main program + PCA8581.pdf: PCA8581's datasheet file + +@How to run: + Hardware configuration: + This example was tested on: + Keil MCB1700 with LPC1768 vers.1 + These jumpers must be configured as following: + - VDDIO: ON + - VDDREGS: ON + - VBUS: ON + - Remain jumpers: OFF + IAR LPC1768 KickStart vers.A + These jumpers must be configured as following: + - PWR_SEL: depend on power source + - DBG_EN : ON + - Remain jumpers: OFF + + I2C pin selection: + For I2C0: + - SDA -> P0.27 + - SCL -> P0.28 + For I2C1: + - SDA -> P0.10 + - SCL -> P0.11 + + EEPROM PCA8581 connection: + - A0, A1 and A2 - Pin 1, 2, 3: must be connect with GND + - SCL - Pin 6: connects with SCL pin of I2C peripheral on board + - SDA - Pin 5: connects with SDA pin of I2C peripheral on board + - VDD - Pin 8: supply voltage, connects to 5V power source + - Vss - Pin 4: connect to GND on board + - TEST - Pin 7: not used + + Serial display configuration:(e.g: TeraTerm, Hyperterminal, Flash Magic...) + 115200bps + 8 data bit + No parity + 1 stop bit + No flow control + + Running mode: + This example can run on RAM/ROM mode. + + Note: If want to burn hex file to board by using Flash Magic, these jumpers need + to be connected: + - MCB1700 with LPC1768 ver.1: + + RST: ON + + ISP: ON + - IAR LPC1768 KickStart vers.A: + + RST_E: ON + + ISP_E: ON + + (Please reference "LPC1000 Software Development Toolchain" - chapter 4 "Creating and working with + LPC1000CMSIS project" for more information) + + Step to run: + - Step 1: Choose I2C peripheral by setting 'USEDI2CDEV' + - Step 2: Build example. + - Step 3: Burn hex file into board (if run on ROM mode) + - Step 4: Connect PCA8581 and configure serial display as above instruction + - Step 5: Connect UART0 on this board to COM port on your computer + - Step 6: Run example, and control the I2C transmition result on UART display tool. + + (Pls see "LPC17xx Example Description" document - chapter "Examples > I2C > pca8581_polling" + for more details) + +@Tip: + - Open \EWARM\*.eww project file to run example on IAR + - Open \RVMDK\*.uvproj project file to run example on Keil