Diff: XNucleoOUT01A1.cpp

Revision:

0:c77427077cff

diff -r 000000000000 -r c77427077cff XNucleoOUT01A1.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/XNucleoOUT01A1.cpp	Mon Feb 12 17:22:42 2018 +0000
@@ -0,0 +1,134 @@
+/**
+ ******************************************************************************
+ * @file    XNucleoOUT01A1.cpp
+ * @author  ST CLab
+ * @version V1.0.0
+ * @date    1 February 2018
+ * @brief   Implementation of XNucleoOUT01A1 class
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of STMicroelectronics nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+ 
+  /* Includes ----------------------------------------------------------------*/
+
+#include "XNucleoOUT01A1.h"
+
+/* Macros --------------------------------------------------------------------*/
+
+#define SET_PIN(pin)    ((pin != NC) ? new DigitalOut(pin) : NULL)
+
+/* Class Implementation ------------------------------------------------------*/
+
+    /** Constructor
+     * @param ctl_mode Control mode, direct or sync. 
+     * @param CTL_MODE_PIN Control mode pin, if connected then jumper J4 overrides ctl_mode parameter
+     * @param OUT_EN Output enable pin.
+     * @param N_SYNC Input-to-output synchronization signal. Active low.
+     * @param N_LOAD Load input data signal. Active low.
+     * @param INx  Channel x input pin, NC if not connected
+     */
+
+    XNucleoOUT01A1::XNucleoOUT01A1(control_mode_t ctl_mode, PinName CTL_MODE_PIN, 
+            PinName OUT_EN, PinName N_SYNC, PinName N_LOAD, PinName IN1, 
+            PinName IN2, PinName IN3, PinName IN4, PinName IN5, PinName IN6, 
+            PinName IN7, PinName IN8) 
+            : iso8200bq(OUT_EN, N_SYNC, N_LOAD)
+    {
+
+        if (CTL_MODE_PIN != NC) {   // ctl_mode selected by jumper J4
+            _ctl_mode_pin = new DigitalIn(CTL_MODE_PIN);
+            if (*_ctl_mode_pin == 1) {
+                _mode = mode_sync;
+            } else {
+                _mode = mode_direct;
+            }
+        } else {                   // ctl_mode provided by the user
+            _mode = ctl_mode;
+            
+        }
+        
+        if (_mode == mode_direct) { // set the component in direct mode
+            iso8200bq.direct_mode();
+        }
+        
+        _in_array[0] = SET_PIN(IN1); 
+        _in_array[1] = SET_PIN(IN2);
+        _in_array[2] = SET_PIN(IN3);
+        _in_array[3] = SET_PIN(IN4);
+        _in_array[4] = SET_PIN(IN5);
+        _in_array[5] = SET_PIN(IN6);
+        _in_array[6] = SET_PIN(IN7);
+        _in_array[7] = SET_PIN(IN8);
+    
+    }
+
+
+     /**
+     *
+     * @brief Enable outputs 
+     *
+     * @param enable Enable outputs when true, disable otherwise.   
+    */
+    
+    void XNucleoOUT01A1::enable_outputs(bool enable) {
+        iso8200bq.enable_outputs(enable);    
+    }
+    
+    /**
+     *
+     * @brief Set input status, also loaded into input buffer when in sync mode 
+     *
+     * @param input_values Bitmask of input values, bit x represents INx pin's value  
+    */
+    void XNucleoOUT01A1::set_inputs(uint8_t input_values) {
+    
+        if (_mode == mode_sync) {
+            iso8200bq.sync_mode_load_inputs();
+        }                   
+                
+        for (int i=0; i<8; i++) {
+            int value = (input_values >> i) & 0x01;
+            if (_in_array[i] != NULL) {
+                *_in_array[i] = value;
+            }
+        }
+    }
+    
+    /**
+     *
+     * @brief Update output status according to input buffer when in sync mode 
+     *
+     * @param input_values Bitmask of input values, bit x represents INx pin's value  
+    */
+    void XNucleoOUT01A1::update_outputs(void) {
+        
+        if (_mode == mode_sync) {
+            iso8200bq.sync_mode_update_outputs();
+        }
+    }
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