New platform: TI cc2530 Development Kit

This commits adds support for TI's SmartRF05 Eval. Board with cc2530 EMs Some initial support for cc2531 USB dongles
2012-03-05 15:47:01 +00:00 · 2012-03-05 15:47:01 +00:00 · ad256e5014
commit ad256e5014
parent b7674c3636
68 changed files with 6824 additions and 0 deletions
--- a/platform/cc2530dk/dev/adc-sensor.c
+++ b/platform/cc2530dk/dev/adc-sensor.c
@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2011, George Oikonomou - <oikonomou@users.sourceforge.net>
+ * 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.
+ */
+
+/**
+ * \file
+ *         ADC sensor module for TI SmartRF05EB devices.
+ *
+ * \author
+ *         George Oikonomou - <oikonomou@users.sourceforge.net>
+ */
+#include "sfr-bits.h"
+#include "cc253x.h"
+#include "adc-sensor.h"
+
+#if ADC_SENSOR_ON
+/*---------------------------------------------------------------------------*/
+static int
+value(int type)
+{
+  uint16_t reading;
+  /*
+   * For single-shot AD conversions, we may only write to ADCCON3[3:0] once
+   * (This write triggers the conversion). We thus use the variable 'command'
+   * to store intermediate steps (reference, decimation rate, input channel)
+   */
+  uint8_t command;
+
+  /* 1.25V ref, max decimation rate */
+  command = ADCCON3_EDIV1 | ADCCON3_EDIV0;
+
+  /* Clear the Interrupt Flag */
+  ADCIF = 0;
+
+  /* Depending on the desired reading, append the input bits to 'command' and
+   * enable the corresponding input channel in ADCCFG if necessary */
+  switch(type) {
+#if TEMP_SENSOR_ON
+  case ADC_SENSOR_TYPE_TEMP:
+    command |= ADCCON3_ECH3 | ADCCON3_ECH2 | ADCCON3_ECH1;
+    break;
+#endif
+#if VDD_SENSOR_ON
+  case ADC_SENSOR_TYPE_VDD:
+    command |= ADCCON3_ECH3 | ADCCON3_ECH2 | ADCCON3_ECH1 | ADCCON3_ECH0;
+    break;
+#endif
+  default:
+    /* If the sensor is not present or disabled in conf, return -1 */
+    return -1;
+  }
+
+  /* Writing in bits 3:0 of ADCCON3 will trigger a single conversion */
+  ADCCON3 = command;
+
+  /*
+   * When the conversion is complete, the ADC interrupt flag is set. We don't
+   * use an ISR here, we just wait on the flag and clear it afterwards.
+   */
+  while(!ADCIF);
+
+  /* Clear the Interrupt Flag */
+  ADCIF = 0;
+
+  reading = ADCL;
+  reading |= (((uint8_t) ADCH) << 8);
+  /* 12-bit decimation rate: 4 LS bits are noise */
+  reading >>= 4;
+
+  return reading;
+}
+/*---------------------------------------------------------------------------*/
+static int
+status(int type)
+{
+  return 1;
+}
+/*---------------------------------------------------------------------------*/
+static int
+configure(int type, int value)
+{
+  switch(type) {
+  case SENSORS_HW_INIT:
+#if TEMP_SENSOR_ON
+    /* Connect temperature sensor to the SoC */
+    ATEST = 1;
+    TR0 = 1;
+#endif
+    APCFG = 0; /* Disables Input Channels */
+    break;
+  }
+  return 1;
+}
+/*---------------------------------------------------------------------------*/
+SENSORS_SENSOR(adc_sensor, ADC_SENSOR, value, configure, status);
+#endif /* ADC_SENSOR_ON */