These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
Diff: SPI/sc16is750_int/abstract.h
- Revision:
- 0:bf7b9fba3924
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SPI/sc16is750_int/abstract.h Sun Mar 20 05:38:56 2011 +0000 @@ -0,0 +1,119 @@ + ******************** (C) COPYRIGHT 2010 NXPSemiconductors ******************* + * @file SPI\sc16is750_int\abstract.txt + * @author NXP MCU SW Application Team + * @version 2.0 + * @date + * @brief Description of the SPI SC16IS750 Interrupt 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 SPI in interrupt mode to communicate + with SC16IS750/760 Demo Board. + Process: + SPI configuration: + - CPHA = 0: data is sampled on the first clock edge of SCK. + - CPOL = 0: SCK is active high + - Clock rate = 1MHz + - LSBF = 0: SPI data is transferred MSB first + - BITS = 8: 8 bits per transfer + - MSTR = 1: SPI operates in Master mode + First, SPI send commands to reset, config direction SC16IS740 chip in interrupt mode. + Start to use SPI polling mode to handle SC16IS740 board. + 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: + - 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) + spi_interrupt_test.c: Main program + SC16IS740_750_760_6.pdf: SC16IS740_750_760_6's datasheet file + schematics.sc16is750.demo.board.pdf: SC16IS750 board's schematic 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 + + SC16IS750 board: + These jumpers must be configured as following: + - JP2: 2-3 (SPI) + - JP16: 2-3 (hard reset) + - Remain jumper: OFF + + SPI connection: + - P0.15 - SCK on eval board connects to SCLK on SC16IS750 board + - P0.16 - SSEL on eval board connects to /CS on SC16IS750 board (used as GPIO) + - P0.17 - MISO on eval board connects to MISO on SC16IS750 board + - P0.18 - MOSI on eval board connects to MOSI on SC16IS750 board + Common power source 3.3V and ground must be connected together between two board. + + 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: Build example. + - Step 2: Burn hex file into board (if run on ROM mode) + - Step 5: Connect UART0 on board to COM port on your computer + - Step 6: Configure hardware, connect this board with SC16IS750 board as above instruction + - Step 7: Configure serial display as above instruction + - Step 8: Run example and handle SPI transfer via serial display + + Press '1' to turn on 8 LEDs on SC16IS750 board + + Press '2' to turn off 8 LEDs on SC16IS750 board + + (Pls see "LPC17xx Example Description" document - chapter "Examples > SPI > sc16is750_int" + for more details) + +@Tip: + - Open \EWARM\*.eww project file to run example on IAR + - Open \RVMDK\*.uvproj project file to run example on Keil \ No newline at end of file