From 9a1a21c4acebe8db6938f5a4c873bf683749d682 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Sun, 27 Jan 2019 11:16:43 +0000
Subject: [PATCH] Alt i2c address list for #246

---
 generate-html.py                 | 14 ++++++++++++--
 src/en/overlay/ab-adc-pi-plus.md |  6 ++++--
 src/en/overlay/ab-adc-pi-zero.md |  4 +++-
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/generate-html.py b/generate-html.py
index c46be6e..014cbaa 100755
--- a/generate-html.py
+++ b/generate-html.py
@@ -219,9 +219,19 @@ def load_overlay(overlay):
             for addr in loaded['i2c']:
                 data = loaded['i2c'][addr]
                 addr = str(addr)
-                dev=data['device'].upper()
+                dev = data['device'].upper()
+                alt = None
+                try:
+                    alt = data['alternate']
+                    if type(alt) is list:
+                        alt = ", ".join(alt)
+                except KeyError:
+                    pass
                 if data is not None and 'device' in data:
-                    details.append('{address}: {device}'.format(address=addr, device=dev))
+                    if alt is not None:
+                        details.append('{address}: {device} (Alt: {alt})'.format(address=addr, device=dev, alt=alt))
+                    else:
+                        details.append('{address}: {device}'.format(address=addr, device=dev))
 
         links = {}
 
diff --git a/src/en/overlay/ab-adc-pi-plus.md b/src/en/overlay/ab-adc-pi-plus.md
index 8c29680..0318abe 100644
--- a/src/en/overlay/ab-adc-pi-plus.md
+++ b/src/en/overlay/ab-adc-pi-plus.md
@@ -32,22 +32,24 @@ pin:
     mode: i2c
 i2c:
   '0x68':
+    alternate: [ '0x69', '0x6A', '0x6B', '0x6C', '0x6D', '0x6E', '0x6F' ]
     name: MCP3424
     device: MCP3424
   '0x69':
+    alternate: [ '0x68', '0x6A', '0x6B', '0x6C', '0x6D', '0x6E', '0x6F' ]
     name: MCP3424
     device: MCP3424
 -->
 #ADC Pi Plus
 
-The ADC Pi Plus is an 8 channel 17 bit analogue to digital converter designed to work with the Raspberry Pi. The ADC Pi Plus is based on two Microchip MCP3424 A/D converters each containing 4 analogue inputs.  The MCP3424 is a delta-sigma A/D converter with low noise differential inputs.
+The ADC Pi Plus is an 8 channel 17 bit analogue to digital converter designed to work with the Raspberry Pi. The ADC Pi Plus is based on two Microchip MCP3424 A/D converters each containing 4 analogue inputs.  The MCP3424 is a delta-sigma A/D converter with low noise differential inputs. The board is stackable allowing you to use up to four ADC Pi Plus boards on a Raspberry Pi.
 
 ##Features
 
 - 8 x 17-bit 0 to 5V Single Ended Inputs
 - Control via the Raspberry Pi I2C port
 - Stack up to 4 ADC Pi Plus boards on a single Raspberry Pi
-- Jumper selectable I2C addresses
+- Jumper selectable I2C addresses (0x68 to 0x6F)
 - Buffered 5V I2C port
 - Based on the MCP3424 from Microchip Technologies Inc
 - Single Ended full-scale range of 5.0V
diff --git a/src/en/overlay/ab-adc-pi-zero.md b/src/en/overlay/ab-adc-pi-zero.md
index 8e52e5f..f80a10a 100644
--- a/src/en/overlay/ab-adc-pi-zero.md
+++ b/src/en/overlay/ab-adc-pi-zero.md
@@ -30,9 +30,11 @@ pin:
     mode: i2c
 i2c:
   '0x68':
+    alternate: [ '0x69', '0x6A', '0x6B', '0x6C', '0x6D', '0x6E', '0x6F' ]
     name: MCP3424
     device: MCP3424
   '0x69':
+    alternate: [ '0x68', '0x6A', '0x6B', '0x6C', '0x6D', '0x6E', '0x6F' ]
     name: MCP3424
     device: MCP3424
 -->
@@ -45,7 +47,7 @@ The ADC Pi Zero is an 8 channel 17 bit analogue to digital converter designed to
 - 8 x 17-bit 0 to 5V Single Ended Inputs
 - Control via the Raspberry Pi I2C port
 - Stack up to 4 ADC Pi Zero boards on a single Raspberry Pi
-- Jumper selectable I2C addresses
+- Jumper selectable I2C addresses (0x68 to 0x6F)
 - Buffered 5V I2C port
 - Based on the MCP3424 from Microchip Technologies Inc
 - Single Ended full-scale range of 5.0V