Diff: main.cpp

Revision:

0:4f51d6a15c93

Child:

1:331915faf16e

diff -r 000000000000 -r 4f51d6a15c93 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Feb 19 12:19:51 2016 +0000
@@ -0,0 +1,151 @@
+/**
+ ******************************************************************************
+ * @file    main.cpp
+ * @author  AST/CLs
+ * @version V1.0.0
+ * @date    Feb 5th, 2016
+ * @brief   mbed test application for the STMicroelectronics X-NUCLEO-PLC01A1
+ *          PLC Expansion Board.
+ ******************************************************************************
+ * @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 ------------------------------------------------------------------*/
+
+/* Component specific header files. */
+#include "PLC_class.h"
+#include "CLT01_38S_class.h"
+#include "VNI8200XP_class.h"
+
+
+/* Definitions ---------------------------------------------------------------*/
+#define SPI_MOSI D11
+#define SPI_MISO D12
+#define SPI_SCLK D13
+
+#define SPI_BITS 16
+
+#define SPI_CS1 D9
+#define SPI_CS2 D10
+
+#define OUT_EN D6
+
+/* Uncomment this for OUTPUT_CYCLING ENABLE */
+//#define OUTPUT_CYCLING
+
+/* Variables -----------------------------------------------------------------*/
+
+/* Array for input data from Digital Input Termination Device */
+uint8_t inputArray[2] = {0x00, 0x00};
+/* Array for output data to Solid State Relay */
+uint8_t outputArray[2] = {0x00, 0x00};
+
+/* Number of channels in ON state */
+uint8_t Ch_On = 0x00;
+
+
+/* Functions -----------------------------------------------------------------*/
+
+/** 
+  * @brief  Receive input data from Digital Input Termination Device
+  * @param  None
+  * @retval None
+*/
+void DigitalInputArrayHandler(PLC &plc)
+{
+  plc.plcInput().DigInpArray_GetInput(inputArray);
+}
+
+/** 
+  * @brief Select output function and set outputs
+  * @param None
+  * @retval None
+*/
+void SsrelayHandler(PLC &plc)
+{
+  /* Set outputArray as DigInpArray RxBuffer */
+  outputArray[1] = plc.signalMirror(inputArray[1]);
+  
+  /* Uncomment the relevant function as required */                                                       
+  //outputArray[1] = plc.signalMirror(0xFF);
+  //outputArray[1] = plc.outputFreeze(0xFF,5000);
+  //outputArray[1] = plc.outputRegroup(0xFF);
+  //Ch_On = plc.inputSum(&outputArray[1],0xFF);
+  //outputArray[1] = plc.setOutput(0xFF);
+  //outputArray[1] = plc.inputsAND(0xFF,0x0F);
+  //outputArray[1] = plc.inputsOR(0xF0,0x0F);
+  //outputArray[1] = plc.inputsNOT(0x00);
+  //outputArray[1] = plc.inputsXOR(0xFF,0x00);
+  
+  /* Parity bits calculation */
+  plc.outputParityBits(outputArray);
+ 
+  /* Send output information to solid state relay */
+  plc.plcOutput().Ssrelay_SetOutput(outputArray);
+}
+
+void setup(SPI &spi, int bits, int mode = 0, int frequency_hz = 1E6)
+{
+    /* Set given configuration. */
+    spi.format(bits, mode);
+    spi.frequency(frequency_hz);
+}
+
+/* Main ----------------------------------------------------------------------*/
+
+int main()
+{
+    /*----- Initialization. -----*/
+        
+    /* Initializing SPI bus. */
+    SPI spi(SPI_MOSI, SPI_MISO, SPI_SCLK);
+    setup(spi, SPI_BITS);
+
+    /* Initializing PLC IO Channels Component. */
+    PLC plc(SPI_CS1, SPI_CS2, OUT_EN, spi);
+
+    while(1) {
+        plc.plcInput().SetReadStatus(1);
+        /* Polling input device to refresh input state */
+        if(plc.plcInput().GetReadStatus()) {
+
+            plc.plcInput().SetReadStatus(0);
+
+#ifdef OUTPUT_CYCLING
+            plc.outputCycling();
+#else
+            DigitalInputArrayHandler(plc);
+            SsrelayHandler(plc);
+#endif /* OUTPUT_CYCLING */
+        }
+        wait_ms(10);
+    }
+}
+