These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
Diff: I2C/sc16is750_polling/abstract.h
- Revision:
- 0:bf7b9fba3924
diff -r 000000000000 -r bf7b9fba3924 I2C/sc16is750_polling/abstract.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/I2C/sc16is750_polling/abstract.h Sun Mar 20 05:38:56 2011 +0000 @@ -0,0 +1,115 @@ + ******************** (C) COPYRIGHT 2010 NXPSemiconductors ******************* + * @file I2C\sc16is750_polling\abstract.txt + * @author NXP MCU SW Application Team + * @version 2.0 + * @date + * @brief Description of the I2C SC16IS750 Polling 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: + An example of I2C using polling mode to test the I2C driver. + Using I2C at mode I2C master/8bit on LPC1768 to communicate with + SC16IS750/760 Demo Board. + Process: + I2C is configured as master using polling mode. + I2C Clock Rate is set at 100K. + + I2C send commands to reset, config direction, validate value and handle SC16IS740 chip + using polling mode. + On serial display: + - Press 'r' to print menu + - Press '1': send 0x00 value to IOStat register to turn on 8 LEDs on SC16IS740 board. + - Press '2': send 0xFF value to IOStat register to turn off 8 LEDs on SC16IS740 board. + + (Pls see two pdf file at SPI/sc16is750: + - SC16IS740_750_760_6.pdf + - schematics.sc16is750.demo.board.pdf + for more information about SC16IS740 board) + +@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) + i2c_polling_test.c: Main program + +@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 + + SC16IS750 board: + These jumpers must be configured as following: + - JP2: 1-2 (I2C) + - JP16: 2-3 (hard reset) + - Remain jumper: OFF + + I2C connection: + - SDA and SCL pin in two board connect in "pin-to-pin" style: SDA <-> SDA, SCL <-> SCKss + - Common power source 3.3V and ground must be connected together between two board. + + For I2C0: + SDA: P0.27 + SCL: P0.28 + + For I2C2: + SDA: P0.10 + SCL: P0.11 + + 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 UART0 on this board to COM port on your computer + - Step 5: Configure hardware and serial display as above instruction + - Step 6: Run example, and control the I2C transmition and reception via UART display tool. + + (Pls see "LPC17xx Example Description" document - chapter "Examples > I2C > sc16is750_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