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[rtl-433.git] / src / devices / ht680.c

diff --git a/src/devices/ht680.c b/src/devices/ht680.c
new file mode 100644 (file)
index 0000000..500484c
--- /dev/null
+++ b/src/devices/ht680.c
@@ -0,0 +1,77 @@
+/* HT680 Remote control
+ *
+ * Copyright (C) 2016 Igor Polovnikov
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include "rtl_433.h"
+
+static int ht680_callback(bitbuffer_t *bitbuffer) {
+       bitrow_t *bb = bitbuffer->bb;
+       data_t *data;
+       
+       for (uint8_t row = 0;row < bitbuffer->num_rows;row++){
+               uint8_t *b = bb[row];
+               if(bitbuffer->bits_per_row[row] == 40 && //Length of packet is 40
+                       (b[0] & 0x50) == 0x50 && //Sync mask 01010000
+                       (b[1] & 0x0A) == 0x0A && //Address always mask 00001010
+                       (b[3] & 0x82) == 0x82 && //Buttons(4,3) always mask 10000010
+                       (b[4] & 0x0A) == 0x0A){  //Buttons(2,1) always mask 00001010
+                       b[0] = b[0] & 0x0F; //Clear sync
+                                               
+                       // Tristate coding
+                       char tristate[21];
+                       char *p = tristate;
+                       for(uint8_t byte = 0; byte < 5; byte++){
+                               for(int8_t bit = 7; bit > 0; bit -= 2){
+                                       switch ((b[byte] >> (bit-1)) & 0x03){
+                                               case 0x00:      *p++ = '0'; break;
+                                               case 0x01:      *p++ = '?'; break; //Invalid code 01
+                                               case 0x02:      *p++ = 'Z'; break; //Floating state Z is 10
+                                               case 0x03:      *p++ = '1'; break;
+                                               default: *p++ = '!'; break; //Unknown error
+                                       }
+                               }
+                       }
+                       *p = '\0';
+                       
+                       data = data_make("model",       "",                             DATA_STRING,    "HT680 Remote control",
+                                                        "tristate","Tristate code",DATA_STRING,        tristate,
+                                                        "address",     "Address",      DATA_FORMAT,    "0x%06X", DATA_INT, (b[0]<<16)+(b[1]<<8)+b[2],
+                                                        "button1",     "Button 1",             DATA_STRING,    (((b[4]>>4) & 0x03) == 3) ? "PRESSED" : "",
+                                                        "button2",     "Button 2",             DATA_STRING,    (((b[4]>>6) & 0x03) == 3) ? "PRESSED" : "",
+                                                        "button3",     "Button 3",             DATA_STRING,    ((((b[3]&0x7D)>>2) & 0x03) == 3) ? "PRESSED" : "",
+                                                        "button4",     "Button 4",             DATA_STRING,    ((((b[3]&0x7D)>>4) & 0x03) == 3) ? "PRESSED" : "",
+                                                        NULL);
+                       data_acquired_handler(data);
+                       
+                       return 1;
+               }
+       }
+       return 0;
+}
+
+static char *output_fields[] = {
+       "model",
+       "tristate",
+       "address",
+       "data",
+       "button1",
+       "button2",
+       "button3",
+       "button4",
+       NULL
+};
+
+r_device ht680 = {
+  .name          = "HT680 Remote control",
+  .modulation    = OOK_PULSE_PWM_RAW,
+  .short_limit   = 400,
+  .long_limit    = 1200,
+  .reset_limit   = 13000,
+  .json_callback = &ht680_callback,
+  .disabled      = 0,
+  .demod_arg     = 1
+};