バスパイレートと通信するために、Tera Termを使用してパイレートバスのCOMポートに接続し、Setup --> Serial Port --> Speedを115200に設定しました。
以下の通信では、バスパイレートをI2Cで話すために準備する方法と、メモリから読み書きする方法を見つけることができます(コメントは"#"を使用して表示されます。この部分は通信には含まれませんので期待しないでください):
# Check communication with buspirateiBusPiratev3.5CommunityFirmwarev7.1-goo.gl/gCzQnW [HiZ 1-WIREUARTI2CSPI2WIRE3WIREKEYBLCDPICDIO]Bootloaderv4.5DEVID:0x0447REVID:0x3046 (24FJ64GA00 2B8)http://dangerousprototypes.com# Check voltagesI2C>vPinstates:1.(BR) 2.(RD) 3.(OR) 4.(YW) 5.(GN) 6.(BL) 7.(PU) 8.(GR) 9.(WT) 0.(Blk)GND3.3V5.0VADCVPUAUXSCLSDA--PPPIIIIIIIGND3.27V4.96V0.00V4.96VLHHLL#Notice how the VPU is in 5V becausethe EPROM needs 5V signals# Get mode optionsHiZ>m1.HiZ2.1-WIRE3.UART4.I2C5.SPI6.2WIRE7.3WIRE8.KEYB9.LCD10.PIC11.DIOx.exit(withoutchange)# Select I2C(1)>4I2Cmode:1.Software2.Hardware# Select Software mode(1)>1Setspeed:1.~5kHz2.~50kHz3.~100kHz4.~240kHz# Select communication spped(1)>2Clutchdisengaged!!!Tofinishsetup,startupthepowersupplieswithcommand'W'Ready# Start communicationI2C>WPOWERSUPPLIESONClutchengaged!!!# Get macrosI2C>(0)0.Macromenu1.7bitaddresssearch2.I2Csniffer#Get addresses of slaves connectedI2C>(1)SearchingI2Caddressspace.Founddevicesat:0xA0(0x50W) 0xA1(0x50R)# Note that each slave will have a write address and a read address# 0xA0 ad 0xA1 in the previous case# Write "BBB" in address 0x69I2C>[0xA00x000x690x420x420x42]I2CSTARTBITWRITE:0xA0ACKWRITE:0x00ACKWRITE:0x69ACKWRITE:0x42ACKWRITE:0x42ACKWRITE:0x42ACKI2CSTOPBIT# Prepare to read from address 0x69I2C>[0xA00x000x69]I2CSTARTBITWRITE:0xA0ACKWRITE:0x00ACKWRITE:0x69ACKI2CSTOPBIT# Read 20B from address 0x69 configured beforeI2C>[0xA1r:20]I2CSTARTBITWRITE:0xA1ACKREAD: 0x42 ACK 0x42 ACK 0x42 ACK 0x20 ACK 0x48 ACK 0x69 ACK 0x20 ACK 0x44 ACK 0x72 ACK 0x65 ACK 0x67 ACK 0x21 ACK 0x20 ACK 0x41 ACK 0x41 ACK 0x41 ACK 0x00 ACK 0xFF ACK 0xFF ACK 0xFF
NACK
I2C>m1.HiZ2.1-WIRE3.UART4.I2C5.SPI6.2WIRE7.3WIRE8.KEYB9.LCD10.PIC11.DIOx.exit(withoutchange)(1)>4I2Cmode:1.Software2.Hardware(1)>1Setspeed:1.~5kHz2.~50kHz3.~100kHz4.~240kHz(1)>1Clutchdisengaged!!!Tofinishsetup,startupthepowersupplieswithcommand'W'Ready# EVEN IF YOU ARE GOING TO SNIFF YOU NEED TO POWER ON!I2C>WPOWERSUPPLIESONClutchengaged!!!# Start sniffing, you can see we sniffed a write commandI2C>(2)SnifferAnykeytoexit[0xA0+0x00+0x69+0x41+0x41+0x41+0x20+0x48+0x69+0x20+0x44+0x72+0x65+0x67+0x21+0x20+0x41+0x41+0x41+0x00+]