Bus Pirate Edu Kit Exercise no.11

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(Bus Pirate Terminal)
(Bus Pirate Terminal)
Line 47: Line 47:
<nl2br>
<nl2br>
-
HiZ>m
+
HiZ>m'''<<<'''
1. HiZ
1. HiZ
2. 1-WIRE
2. 1-WIRE
Line 58: Line 58:
x. exit(without change)
x. exit(without change)
-
(1)>4
+
(1)>4'''<<<'''
Set speed:
Set speed:
  1. ~5KHz
  1. ~5KHz
Line 65: Line 65:
  4. ~400KHz
  4. ~400KHz
-
(1)>3
+
(1)>3'''<<<'''
Ready
Ready
-
I2C>P
+
I2C>P'''<<<'''
Pull-up resistors ON
Pull-up resistors ON
Warning: no voltage on Vpullup pin
Warning: no voltage on Vpullup pin
-
I2C>W
+
I2C>W'''<<<'''
POWER SUPPLIES ON
POWER SUPPLIES ON
</nl2br>
</nl2br>
Line 77: Line 77:
<nl2br>
<nl2br>
-
I2C>(1)
+
I2C>(1)'''<<<'''
Searching I2C address space. Found devices at:
Searching I2C address space. Found devices at:
0xDE(0x6F W)
0xDE(0x6F W)
Line 86: Line 86:
<nl2br>
<nl2br>
-
I2C>[0xDE 0[0xDF r:9]
+
I2C>[0xDE 0[0xDF r:9]'''<<<'''
I2C START BIT
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0xDE ACK
Line 101: Line 101:
<nl2br>
<nl2br>
-
I2C>[0xde 0 0x80]
+
I2C>[0xde 0 0x80]'''<<<'''
I2C START BIT
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0xDE ACK
Line 112: Line 112:
<nl2br>
<nl2br>
-
I2C>[0xde 0[0xdf r:9]
+
I2C>[0xde 0[0xdf r:9]'''<<<'''
I2C START BIT
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0xDE ACK
Line 126: Line 126:
<nl2br>
<nl2br>
-
I2C>[0xde 0[0xdf r:9]
+
I2C>[0xde 0[0xdf r:9]'''<<<'''
I2C START BIT
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0xDE ACK
Line 140: Line 140:
<nl2br>
<nl2br>
-
I2C>m
+
I2C>m'''<<<'''
1. HiZ
1. HiZ
2. 1-WIRE
2. 1-WIRE
Line 151: Line 151:
x. exit(without change)
x. exit(without change)
-
(1)>1
+
(1)>1'''<<<'''
Ready
Ready
HiZ>
HiZ>

Revision as of 14:35, 18 April 2013

Contents

Overview

BP EK E11 overview.jpg

The Circuit

BP EK E11 schematic.jpgBP EK E11 circuit.jpg

Breadboard legend

IC Location Breadboard wiring legend
IC PIN1 (+) PIN2 (-)
MCP7940M E14 E15
32KHz crystal C14 C15
C1 BB_-_left B14
C2 BB_-_left B15
Signal name Contact1 Contact2
5V BP_5V BB_+_left
5V BB_+_left BB_+_right
5V BB_+_right J14
5V BP_VPU BB_+_left
GND BP_GND BB_-_left
GND BB_-_left A17
MOSI BP_MOSI J17
CLK BP_CLK J16
  • The (+) and (-) next to PIN1 and PIN2 are intended for devices such as LEDs, where PIN1 should be the anode and connected to a higher potential then PIN2.

Bus Pirate Terminal


HiZ>m<<<
1. HiZ
2. 1-WIRE
3. UART
4. I2C
5. SPI
6. 2WIRE
7. 3WIRE
8. LCD
x. exit(without change)

(1)>4<<<
Set speed:
1. ~5KHz
2. ~50KHz
3. ~100KHz
4. ~400KHz

(1)>3<<<
Ready
I2C>P<<<
Pull-up resistors ON
Warning: no voltage on Vpullup pin
I2C>W<<<
POWER SUPPLIES ON



I2C>(1)<<<
Searching I2C address space. Found devices at:
0xDE(0x6F W)




I2C>[0xDE 0[0xDF r:9]<<<
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0x00 ACK 0x00 ACK 0x00 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT




I2C>[0xde 0 0x80]<<<
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
WRITE: 0x80 ACK
I2C STOP BIT



I2C>[0xde 0[0xdf r:9]<<<
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0x82 ACK 0x00 ACK 0x00 ACK 0x21 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT



I2C>[0xde 0[0xdf r:9]<<<
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0xD4 ACK 0x01 ACK 0x00 ACK 0x21 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT



I2C>m<<<
1. HiZ
2. 1-WIRE
3. UART
4. I2C
5. SPI
6. 2WIRE
7. 3WIRE
8. LCD
x. exit(without change)

(1)>1<<<
Ready
HiZ>

Not Working?

Taking it further