pulsensor: Added new sensor (not stable and not documented yet)

Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>
2014-06-18 09:37:50 +00:00
parent 2c0e83e406
commit d00500ba12
7 changed files with 309 additions and 0 deletions
--- a/src/pulsensor/pulsensor.h
+++ b/src/pulsensor/pulsensor.h
@@ -0,0 +1,76 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Credits to Adafruit.
+ * Based on Adafruit BMP085 library.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <math.h>
+#include <maa/pwm.h>
+#include <maa/aio.h>
+#include <maa/gpio.h>
+#include <pthread.h>
+
+#define HIGH               1
+#define LOW                0
+
+#define TRUE               HIGH
+#define FALSE              LOW
+
+struct clbk_data {
+    int is_heart_beat;
+};
+
+typedef void (* callback_handler) (clbk_data);
+
+struct pulsensor_context {
+    pthread_t        sample_thread;
+    uint32_t         sample_counter;
+    uint32_t         last_beat_time;
+    int              threshold;
+    int              ibi_rate[10];
+    int              ibi;
+    int              trough;
+    int              peak;
+    int              bpm;
+    int              apmlitude;
+    uint8_t          qs;
+    uint8_t          is_pulse;
+    uint8_t          first_beat;
+    uint8_t          second_beat;
+    uint8_t          pin;
+    uint8_t          ret;
+    maa_aio_context  pin_ctx;
+    
+    callback_handler callback;
+};
+
+static volatile uint16_t ctx_counter = 0;
+
+void init_pulsensor (pulsensor_context * ctx, callback_handler handler);
+void start_sampler (pulsensor_context * ctx);
+void stop_sampler (pulsensor_context * ctx);
+
+void * do_sample (void * arg);