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/pulse-sensor.c
+++ b/platform/avr-rss2/dev/pulse-sensor.c
@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB
+ * 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ *
+ * Author  : Robert Olsson robert@radio-sensors.com
+ * Created : 2015-11-22
+ */
+
+#include "contiki.h"
+#include "lib/sensors.h"
+#include "dev/pulse-sensor.h"
+#include "rss2.h"
+
+const struct sensors_sensor pulse_sensor;
+
+#define NP 2
+
+uint32_t volatile pc[NP];
+
+/*
+ * Note interrupt sources can be woken up from sleep mode PWR_SAVE
+ * Two interrupt ports, #0 green terminal block. #1 pin header via
+ * a comparator.
+ */
+
+static void
+port_irq_ctrl(uint8_t on)
+{
+  if(on) {
+
+    DDRD &= ~(1 << PD2);
+    PORTD &= ~(1 << PD2);
+    EIMSK = 0;
+    EICRA |= 0x20;    /* Falling edge INT2 */
+    EIMSK |= (1 << PD2);  /* Enable interrupt for pin */
+
+    /* p1 port */
+    DDRD &= ~(1 << PD3);
+    PORTD &= ~(1 << PD3);
+    EIMSK |= (1 << PD3);  /* Enable interrupt for pin */
+    EICRA |= 0x80;        /* Falling edge */
+    PCICR |= (1 << PCIE0);  /* And enable irq PCINT 7:0 */
+  } else {
+    EICRA = 0;
+    PORTD |= (1 << PD2);
+    EIMSK &= ~(1 << PD2);    /* Disable interrupt for pin */
+
+    PORTD |= (1 << PD3);
+    EIMSK &= ~(1 << PD3);    /* Disable interrupt for pin */
+  }
+}
+ISR(INT2_vect)
+{
+  if(!(PCICR & (1 << PCIE0))) {
+    return;
+  }
+  pc[0]++;
+}
+
+ISR(INT3_vect)
+{
+  if(!(PCICR & (1 << PCIE0))) {
+    return;
+  }
+  pc[1]++;
+}
+/*---------------------------------------------------------------------------*/
+static int
+value(int type)
+{
+  if(type == 0) {
+    return (int)pc[0];
+  }
+  if(type == 1) {
+    return (int)pc[1];
+  }
+  return -1;
+}
+/*---------------------------------------------------------------------------*/
+static int
+status(int type)
+{
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+static int
+configure(int type, int c)
+{
+  port_irq_ctrl(1);  /* Enable pulse counts */
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+SENSORS_SENSOR(pulse_sensor, "Pulse", value, configure, status);