15.05.2010 start of date
Pro více informací je zde formulář
(c) 2010 Pavel Pindora
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Hardware
30.05.2010 FREQUENZ · Spectrum analysis
25.7.2010 CAN analysis
| Z8 Encore Development Kit | http://www.zilog.com/products/partdetails.asp?id=Z8F64200100KIT |
| MCP2515 SPI CAN bus controler | http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010406 |
| 82C250 CAN Transceiver 1Mb | http://www.semiconductors.philips.com/acrobat_download/datasheets/PCA82C250_5.pdf |
| CAN schemes |
| MCP2512 |
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| MCU Z8F |
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CAN topology |
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| SPI |
| config
#define PHASE_ONE 0x10 //0x10#define CLK_POLSET 0x08 //0x08#define CLK_POLRST 0x00 //0x00#define MMEN_MASTER 0x02#define OPEN_DRAIN 0x04#define SPI_ENABLE 0x01
SPICTL = PHASE_ONE | CLK_POLRST | MMEN_MASTER | SPI_ENABLE ;//| OPEN_DRAIN; |
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Example : Get interrupt flag ( CANINTF address 0x2C ) |
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void WhileFunction( void ) in S04_SYSTEM.C ... INTFlags = read_MCP(CANINTF); ...
read_MCP in SPI.C unsigned char read_MCP(unsigned char adress){ unsigned char spidata;SET_SS_LOW SPI_Write_SSlow( READ_MCP ); // Read Commandspidata = SPI_Read_SSlow ( adress,0xAA); // 0xAA Shift only SET_SS_HIGH return (spidata);} |
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SPI Interface - signals MOSI, CLK only, send command,address,shif to MOSI
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FREQUENZ · Spectrum analysis ;o)))))) |
| KV04 - Power off , center 71 MHz |
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| KV04 - SP04 - set |
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| KV04 - Power on , center 71 MHz, Spawn 58MHz |
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| KV04 - Power on , center 38,58 MHz, Spawn 115,4kHz |
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CAN analysis 5.byte of CAN data / 1.bit |
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| Start CAN analysis. How to : |
This is all , today .
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