Differences

This shows you the differences between two versions of the page.

--- interfaces:slicepi [2015/02/07 21:50]
darron [RPi I2C]
+++ interfaces:slicepi [2020/08/02 03:25] (current)
darron [Pickle Microchip PIC ICSP]
@@ Line 2: / Line 2: @@
 <wrap right>
 {{:interfaces:rpipio.jpg?200}}
+\\ \\
+{{:interfaces:slipi.jpg?200}}
 </wrap>
@@ Line 27: / Line 29: @@
 == With and without device tree ==
 <code>
-echo 'SUBSYSTEM=="i2c-dev", MODE="0666"' >> /etc/udev/rules.d/10-local.rules
+echo 'SUBSYSTEM=="i2c-dev", MODE:="0666"' >> /etc/udev/rules.d/10-local.rules
 echo "options i2c_bcm2708 baudrate=400000" >> /etc/modprobe.d/modprobe.conf
 echo 'i2c-dev' >> /etc/modules
@@ Line 36: / Line 38: @@
 === I/O ===
-^RPi version	^I2C device	^Default MCP Address|
+^RPi revision	^I2C device	^Default MCP Address|
 | 1		|/dev/i2c-0	|0x20|
 | 2		|/dev/i2c-1	|0x20|
@@ Line 45: / Line 47: @@
 Separate data I/O connections (only supported option)
+==Wiring==
 <code>
@@ Line 66: / Line 70: @@
    - Not used by all LVP compatible devices.
+==Config==
+<code>
+VPP=0     # A0
+PGC=1     # A1
+PGDO=2    # A2
+PGDI=3    # A3
+PGM=-1
+DEVICE=MCP230XX
+IFACE=/dev/i2c-1
+ADDR=0x20
+SLEEP=0
+#VPP_RUN + PGD_IN_PULLUP
+BITRULES=0x1010
+</code>
+===Resources===
+[[https://wiki.kewl.org/downloads/Slice_Pi.pdf|Assembly manual]]