From 94bf3c7e6413b591259bdb298b8f010a2ce748d1 Mon Sep 17 00:00:00 2001
From: user2684 <user2684@users.noreply.github.com>
Date: Sat, 29 Jul 2017 16:22:29 +0200
Subject: [PATCH] Added ability to turn the ADC off so save power (#97)
---
NodeManager.cpp | 9 +++++++++
NodeManager.h | 2 ++
README.md | 6 ++++--
3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/NodeManager.cpp b/NodeManager.cpp
index 47ce6d4..0e0eca1 100755
--- a/NodeManager.cpp
+++ b/NodeManager.cpp
@@ -3486,6 +3486,7 @@ void NodeManager::process(Request & request) {
case 28: setInterruptMinDelta(request.getValueInt()); break;
case 30: setSleepOrWait(request.getValueInt()); break;
case 31: setRebootPin(request.getValueInt()); break;
+ case 32: setADCOff(); break;
default: return;
}
_send(_msg.set(function));
@@ -3655,6 +3656,14 @@ void NodeManager::setRebootPin(int value) {
_reboot_pin = value;
}
+// turn the ADC off so to save 0.2 mA
+void NodeManager::setADCOff() {
+ // Disable the ADC by setting the ADEN bit (bit 7) to zero
+ ADCSRA = ADCSRA & B01111111;
+ // Disable the analog comparator by setting the ACD bit (bit 7) to one
+ ACSR = B10000000;
+}
+
// sleep if the node is a battery powered or wait if it is not for the given number of milliseconds
void NodeManager::sleepOrWait(long value) {
// if the node is sleeping, sleep-or-wait is enabled and we need to sleep for a decent amount of time, call sleep() otherwise wait()
diff --git a/NodeManager.h b/NodeManager.h
index e9c3f3b..883b320 100755
--- a/NodeManager.h
+++ b/NodeManager.h
@@ -1435,6 +1435,8 @@ class NodeManager {
void sleepOrWait(long value);
// [31] set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
void setRebootPin(int value);
+ // [32] turn the ADC off so to save 0.2 mA
+ void setADCOff();
// hook into the main sketch functions
void before();
void presentation();
diff --git a/README.md b/README.md
index 2b27720..122990f 100755
--- a/README.md
+++ b/README.md
@@ -340,10 +340,12 @@ The next step is to configure NodeManager with settings which will instruct how
void setReportIntervalSeconds(int value);
// [30] if set and when the board is battery powered, sleep() is always called instead of wait() (default: true)
void setSleepOrWait(bool value);
- // [31] set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
- void setRebootPin(int value);
// sleep if the node is a battery powered or wait if it is not for the given number of milliseconds
void sleepOrWait(long value);
+ // [31] set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
+ void setRebootPin(int value);
+ // [32] turn the ADC off so to save 0.2 mA
+ void setADCOff();
~~~
### Set reporting intervals and sleeping cycles
--
GitLab