added support for SEED-EYE board (http://rtn.sssup.it/index.php/hardware/seed-eye)

2012-12-17 09:24:35 +01:00 · 2012-12-17 09:24:35 +01:00 · fdd380e7ca
commit fdd380e7ca
parent 70e46f3248
13 changed files with 2447 additions and 0 deletions
--- a/platform/seedeye/dev/battery-sensor.c
+++ b/platform/seedeye/dev/battery-sensor.c
@ -0,0 +1,143 @@
+/*
+ * Contiki SeedEye Platform project
+ *
+ * Copyright (c) 2012,
+ *  Scuola Superiore Sant'Anna (http://www.sssup.it) and
+ *  Consorzio Nazionale Interuniversitario per le Telecomunicazioni
+ *  (http://www.cnit.it).
+ *
+ * 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 ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+ 
+/**
+ * \addtogroup SeedEye Contiki SEEDEYE Platform
+ *
+ * @{
+ */
+
+/**
+ * \file   battery-sensor.c
+ * \brief  Battery Sensor
+ * \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
+ * \date   2012-07-04
+ */
+
+#include <dev/battery-sensor.h>
+
+#include <p32xxxx.h>
+
+/*---------------------------------------------------------------------------*/
+PROCESS(battery_process, "battery sensor");
+/*---------------------------------------------------------------------------*/
+
+const struct sensors_sensor battery_sensor;
+
+#define BATTERY_SAMPLES 10
+
+static uint16_t battery_samples[BATTERY_SAMPLES];
+static uint8_t counter = 0;
+
+static uint8_t sensor_status = 0;
+
+/*---------------------------------------------------------------------------*/
+static int
+value(int type)
+{
+  uint32_t tmp = 0;
+  uint8_t i;
+  for(i = 0; i < BATTERY_SAMPLES; ++i) {
+    tmp += battery_samples[i];
+  }
+  
+  return tmp / BATTERY_SAMPLES;
+}
+/*---------------------------------------------------------------------------*/
+static int
+configure(int type, int c)
+{
+  // all PORTB = Digital; RB10 = analog
+  AD1PCFG = 0b1111110111111111;
+  
+  // SSRC bit = 111 implies internal counter ends sampling and starts converting
+  AD1CON1 = 0b0000000011100000;
+                                
+  AD1CHS = 0b00000000000010100000000000000000;
+
+  AD1CSSL = 0;
+
+  // Manual Sample, Tad = internal 6 TPB
+  AD1CON3 = 0x1F02;
+
+  AD1CON2 = 0;
+
+  // Turn ADC on
+  AD1CON1SET = 0b1000000000000000;
+
+  process_start(&battery_process, NULL);
+
+  sensor_status = 1;
+
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+static int
+status(int type)
+{
+  return sensor_status;
+}
+/*---------------------------------------------------------------------------*/
+SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR, value, configure, status);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(battery_process, ev, data)
+{
+  PROCESS_BEGIN();
+   
+  while(1) {
+    static struct etimer et;
+
+    etimer_set(&et, CLOCK_SECOND);
+    
+    PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
+
+    // start converting
+    AD1CON1SET = 0b0000000000000010;
+
+    while (!(AD1CON1 & 0b0000000000000001)) {
+      ; // wait conversion finish
+    }
+    
+    // read the conversion result
+    battery_samples[counter] = ADC1BUF0;
+    
+    counter = (counter + 1) % BATTERY_SAMPLES;
+  }
+
+  PROCESS_END();
+}
+
+/** @} */