Diff: ExternalLEDLight.cpp

Revision:

105:759dee018363

Child:

107:db7af0f306fa

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ExternalLEDLight.cpp	Sun Mar 16 04:35:20 2014 +0000
@@ -0,0 +1,57 @@
+/* Copyright C2013 Doug Anson, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files the "Software", to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+ #include "ExternalLEDLight.h"
+  
+ // default constructor
+ ExternalLEDLight::ExternalLEDLight(PwmOut *led,ErrorHandler *error_handler) {
+     this->m_led = led;
+     this->m_dimming = false;
+     this->m_state = PL_DEFAULT_STATE;
+     sscanf(LIGHT_DIM_STATE,"%f",&this->m_dim);
+     this->m_error_handler = error_handler;
+ }
+ 
+ // destructor
+ ExternalLEDLight::~ExternalLEDLight() {
+ }
+ 
+ // turn the light on
+ void ExternalLEDLight::on() { this->m_state = 1; this->m_dimming = false; this->update(); }
+ 
+ // turn the light off
+ void ExternalLEDLight::off() { this->m_state = 0; this->m_dimming = false; this->update(); }
+  
+ // dim the light (dim is between 0 and 100)
+ void ExternalLEDLight::dim(int dim) { this->m_dim = (float)(dim/100.0); this->m_dimming = true; this->update(); }
+  
+ // set the light state
+ void ExternalLEDLight::update() {
+    if (this->m_dimming) {
+        // dim the light
+        *(this->m_led) = this->m_dim;
+    }
+    else {
+        // turn the light on or off
+        if (this->m_state == 0) *(this->m_led) = 0;
+        else *(this->m_led) = 1;
+    }
+ }
+ 
+ // get the error handler
+ ErrorHandler *ExternalLEDLight::logger() { return this->m_error_handler; }