Adding the avr-rss2 platform based on AtMega256RFR2

2016-02-22 20:46:07 +01:00 · 2016-02-22 20:46:07 +01:00 · ce8e87d60e
commit ce8e87d60e
parent d3980668ee
91 changed files with 9349 additions and 0 deletions
--- a/platform/avr-rss2/dev/battery-sensor.c
+++ b/platform/avr-rss2/dev/battery-sensor.c
@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * 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 the Institute 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 INSTITUTE 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 INSTITUTE 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 ADVISE OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *
+ * -----------------------------------------------------------------
+ *
+ * Author  : Dag Björklund, Robert Olsson
+ * Created : 2005-11-01
+ * Updated : $Date: 2010/08/25 19:30:52 $
+ *           $Revision: 1.11 $
+ */
+
+#include "contiki.h"
+#include "dev/battery-sensor.h"
+#include <util/delay_basic.h>
+#define delay_us(us)   (_delay_loop_2(1 + (us * F_CPU) / 4000000UL))
+
+const struct sensors_sensor battery_sensor;
+
+/* Returns the MCU voltage in mV read from the BATMON MCU register
+ * See AtMega chip docs for BATMON details.
+ */
+
+static int
+value(int type)
+{
+  uint16_t mv;
+  int i;
+  /*  Resolution is 75mV if V>=2.55V; and 50mV if V<=2.45V */
+  mv = 3675;
+
+  for(i = 0x1f; 1; i--) {
+
+    BATMON = i;
+    delay_us(100);
+    if(BATMON & 0x20) {
+      break;
+    }
+
+    if(i == 0x10) { /* Range hi or lo */
+      mv = 2500;
+    }
+    if(i > 0x10) {
+      mv -= 75;
+    } else {
+      mv -= 50;
+    }
+  }
+  return (int)((float)mv);
+}
+static int
+configure(int type, int c)
+{
+  return 0;
+}
+static int
+status(int type)
+{
+  return 1;
+}
+SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR, value, configure, status);
+