These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
SSP/Slave/abstract.h@0:bf7b9fba3924, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 05:38:56 2011 +0000
- Revision:
- 0:bf7b9fba3924
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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frank26080115 | 0:bf7b9fba3924 | 1 | ******************** (C) COPYRIGHT 2010 NXPSemiconductors ******************* |
frank26080115 | 0:bf7b9fba3924 | 2 | * @file SSP\Slave\abstract.txt |
frank26080115 | 0:bf7b9fba3924 | 3 | * @author NXP MCU SW Application Team |
frank26080115 | 0:bf7b9fba3924 | 4 | * @version 2.0 |
frank26080115 | 0:bf7b9fba3924 | 5 | * @date |
frank26080115 | 0:bf7b9fba3924 | 6 | * @brief Description of the SSP Slave example. |
frank26080115 | 0:bf7b9fba3924 | 7 | ****************************************************************************** |
frank26080115 | 0:bf7b9fba3924 | 8 | * Software that is described herein is for illustrative purposes only |
frank26080115 | 0:bf7b9fba3924 | 9 | * which provides customers with programming information regarding the |
frank26080115 | 0:bf7b9fba3924 | 10 | * products. This software is supplied "AS IS" without any warranties. |
frank26080115 | 0:bf7b9fba3924 | 11 | * NXP Semiconductors assumes no responsibility or liability for the |
frank26080115 | 0:bf7b9fba3924 | 12 | * use of the software, conveys no license or title under any patent, |
frank26080115 | 0:bf7b9fba3924 | 13 | * copyright, or mask work right to the product. NXP Semiconductors |
frank26080115 | 0:bf7b9fba3924 | 14 | * reserves the right to make changes in the software without |
frank26080115 | 0:bf7b9fba3924 | 15 | * notification. NXP Semiconductors also make no representation or |
frank26080115 | 0:bf7b9fba3924 | 16 | * warranty that such application will be suitable for the specified |
frank26080115 | 0:bf7b9fba3924 | 17 | * use without further testing or modification. |
frank26080115 | 0:bf7b9fba3924 | 18 | ****************************************************************************** |
frank26080115 | 0:bf7b9fba3924 | 19 | |
frank26080115 | 0:bf7b9fba3924 | 20 | @Example description: |
frank26080115 | 0:bf7b9fba3924 | 21 | Purpose: |
frank26080115 | 0:bf7b9fba3924 | 22 | This example describes how to use SSP peripheral as slave to connect with SSP master |
frank26080115 | 0:bf7b9fba3924 | 23 | Note that: this example will run combinate with master example at folder \Master. |
frank26080115 | 0:bf7b9fba3924 | 24 | (Pls see "Step to run" part in this file for more information) |
frank26080115 | 0:bf7b9fba3924 | 25 | Process: |
frank26080115 | 0:bf7b9fba3924 | 26 | SSP configuration: |
frank26080115 | 0:bf7b9fba3924 | 27 | - CPHA = 0: data is sampled on the first clock edge of SCK. |
frank26080115 | 0:bf7b9fba3924 | 28 | - CPOL = 0: SCK is active high |
frank26080115 | 0:bf7b9fba3924 | 29 | - Clock rate = 1MHz |
frank26080115 | 0:bf7b9fba3924 | 30 | - DSS = 8: 8 bits per transfer |
frank26080115 | 0:bf7b9fba3924 | 31 | - MSTR = 1: SSP operates in Slave mode |
frank26080115 | 0:bf7b9fba3924 | 32 | - FRF= 0: SPI Frame format |
frank26080115 | 0:bf7b9fba3924 | 33 | After initialize buffer, SPI slave will receive/transfer data from/to SSP slave |
frank26080115 | 0:bf7b9fba3924 | 34 | in POLLING mode by calling 'SPI_ReadWrite( )' function. |
frank26080115 | 0:bf7b9fba3924 | 35 | After transmittion completed, receive and transmit buffer will be compared, if they |
frank26080115 | 0:bf7b9fba3924 | 36 | are not similar, the program will enter infinite loop and a error notice will |
frank26080115 | 0:bf7b9fba3924 | 37 | be displayed. |
frank26080115 | 0:bf7b9fba3924 | 38 | |
frank26080115 | 0:bf7b9fba3924 | 39 | @Directory contents: |
frank26080115 | 0:bf7b9fba3924 | 40 | \EWARM: includes EWARM (IAR) project and configuration files |
frank26080115 | 0:bf7b9fba3924 | 41 | \Keil: includes RVMDK (Keil)project and configuration files |
frank26080115 | 0:bf7b9fba3924 | 42 | |
frank26080115 | 0:bf7b9fba3924 | 43 | lpc17xx_libcfg.h: Library configuration file - include needed driver library for this example |
frank26080115 | 0:bf7b9fba3924 | 44 | makefile: Example's makefile (to build with GNU toolchain) |
frank26080115 | 0:bf7b9fba3924 | 45 | ssp_slave.c: Main program |
frank26080115 | 0:bf7b9fba3924 | 46 | |
frank26080115 | 0:bf7b9fba3924 | 47 | @How to run: |
frank26080115 | 0:bf7b9fba3924 | 48 | Hardware configuration: |
frank26080115 | 0:bf7b9fba3924 | 49 | This example was tested on: |
frank26080115 | 0:bf7b9fba3924 | 50 | Keil MCB1700 with LPC1768 vers.1 |
frank26080115 | 0:bf7b9fba3924 | 51 | These jumpers must be configured as following: |
frank26080115 | 0:bf7b9fba3924 | 52 | - VDDIO: ON |
frank26080115 | 0:bf7b9fba3924 | 53 | - VDDREGS: ON |
frank26080115 | 0:bf7b9fba3924 | 54 | - VBUS: ON |
frank26080115 | 0:bf7b9fba3924 | 55 | - Remain jumpers: OFF |
frank26080115 | 0:bf7b9fba3924 | 56 | IAR LPC1768 KickStart vers.A |
frank26080115 | 0:bf7b9fba3924 | 57 | These jumpers must be configured as following: |
frank26080115 | 0:bf7b9fba3924 | 58 | - PWR_SEL: depend on power source |
frank26080115 | 0:bf7b9fba3924 | 59 | - DBG_EN : ON |
frank26080115 | 0:bf7b9fba3924 | 60 | - Remain jumpers: OFF |
frank26080115 | 0:bf7b9fba3924 | 61 | |
frank26080115 | 0:bf7b9fba3924 | 62 | SSP Connection: |
frank26080115 | 0:bf7b9fba3924 | 63 | - P0.15 - SCK on master connects to P0.15 - SCK on slave board; |
frank26080115 | 0:bf7b9fba3924 | 64 | - P0.16 - SSEL on master connects to P0.16 - SSEL on slave board |
frank26080115 | 0:bf7b9fba3924 | 65 | - P0.17 - MISO on master connects to P0.17 - MISO on slave board |
frank26080115 | 0:bf7b9fba3924 | 66 | - P0.18 - MOSI on master connects to P0.18 - MOSI on slave board |
frank26080115 | 0:bf7b9fba3924 | 67 | Common ground must be connected together between two board. |
frank26080115 | 0:bf7b9fba3924 | 68 | |
frank26080115 | 0:bf7b9fba3924 | 69 | Serial display configuration: (e.g: TeraTerm, Hyperterminal, Flash Magic...) |
frank26080115 | 0:bf7b9fba3924 | 70 | 115200bps |
frank26080115 | 0:bf7b9fba3924 | 71 | 8 data bit |
frank26080115 | 0:bf7b9fba3924 | 72 | No parity |
frank26080115 | 0:bf7b9fba3924 | 73 | 1 stop bit |
frank26080115 | 0:bf7b9fba3924 | 74 | No flow control |
frank26080115 | 0:bf7b9fba3924 | 75 | |
frank26080115 | 0:bf7b9fba3924 | 76 | Running mode: |
frank26080115 | 0:bf7b9fba3924 | 77 | This example can run on RAM/ROM mode. |
frank26080115 | 0:bf7b9fba3924 | 78 | |
frank26080115 | 0:bf7b9fba3924 | 79 | Note: If want to burn hex file to board by using Flash Magic, these jumpers need |
frank26080115 | 0:bf7b9fba3924 | 80 | to be connected: |
frank26080115 | 0:bf7b9fba3924 | 81 | - MCB1700 with LPC1768 ver.1: |
frank26080115 | 0:bf7b9fba3924 | 82 | + RST: ON |
frank26080115 | 0:bf7b9fba3924 | 83 | + ISP: ON |
frank26080115 | 0:bf7b9fba3924 | 84 | - IAR LPC1768 KickStart vers.A: |
frank26080115 | 0:bf7b9fba3924 | 85 | + RST_E: ON |
frank26080115 | 0:bf7b9fba3924 | 86 | + ISP_E: ON |
frank26080115 | 0:bf7b9fba3924 | 87 | |
frank26080115 | 0:bf7b9fba3924 | 88 | (Please reference "LPC1000 Software Development Toolchain" - chapter 4 "Creating and working with |
frank26080115 | 0:bf7b9fba3924 | 89 | LPC1000CMSIS project" for more information) |
frank26080115 | 0:bf7b9fba3924 | 90 | |
frank26080115 | 0:bf7b9fba3924 | 91 | Step to run: |
frank26080115 | 0:bf7b9fba3924 | 92 | - Step 1: Build example. |
frank26080115 | 0:bf7b9fba3924 | 93 | - Step 2: Burn hex file into master board (if run on ROM mode) |
frank26080115 | 0:bf7b9fba3924 | 94 | - Step 3: Build "Master\spi_master" example |
frank26080115 | 0:bf7b9fba3924 | 95 | - Step 4: Burn this hex file into master board. |
frank26080115 | 0:bf7b9fba3924 | 96 | - Step 5: Connect UART0 on slave board to COM port on your computer |
frank26080115 | 0:bf7b9fba3924 | 97 | - Step 6: Configure hardware, connect master board and slave board as above instruction |
frank26080115 | 0:bf7b9fba3924 | 98 | - Step 7: Configure serial display as above instruction |
frank26080115 | 0:bf7b9fba3924 | 99 | - Step 8: Run example and observe SPI slave transfer result from serial display |
frank26080115 | 0:bf7b9fba3924 | 100 | Note that: Press '1' to start SSP operation on master board first. |
frank26080115 | 0:bf7b9fba3924 | 101 | |
frank26080115 | 0:bf7b9fba3924 | 102 | (Pls see "LPC17xx Example Description" document - chapter "Examples > SSP > Slave" |
frank26080115 | 0:bf7b9fba3924 | 103 | for more details) |
frank26080115 | 0:bf7b9fba3924 | 104 | |
frank26080115 | 0:bf7b9fba3924 | 105 | @Tip: |
frank26080115 | 0:bf7b9fba3924 | 106 | - Open \EWARM\*.eww project file to run example on IAR |
frank26080115 | 0:bf7b9fba3924 | 107 | - Open \RVMDK\*.uvproj project file to run example on Keil |