HSP Platform firmware evaluating ECG data and hearth rate over PPG data.

Dependencies:   max32630fthr Adafruit_FeatherOLED USBDevice

Revision:
1:f60eafbf009a
diff -r 07d28b5db986 -r f60eafbf009a Interfaces/SensorComm/EcgComm/EcgComm.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Interfaces/SensorComm/EcgComm/EcgComm.h	Wed Apr 10 14:56:25 2019 +0300
@@ -0,0 +1,153 @@
+/*******************************************************************************
+ * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * 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 MAXIM INTEGRATED 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.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#ifndef _ECGCOMM_H_
+#define _ECGCOMM_H_
+
+#include "mbed.h"
+#include "SensorComm.h"
+#include "USBSerial.h"
+
+/**
+ * @brief	EcgComm ECG sensor command handler class.
+ * @details
+ */
+class EcgComm:	public SensorComm
+{
+public:
+
+	static const uint8_t kEcgInitParametersCount = 11;
+
+	static const uint8_t kRtoRInitParametersCount = 9;
+
+	static const uint8_t kInterruptParametersCount = 17;
+
+
+	/* PUBLIC FUNCTION DECLARATIONS */
+	/**
+	* @brief	EcgComm constructor.
+	*
+	*/
+	EcgComm(USBSerial* USB);
+
+	/* PROTECTED FUNCTION DECLARATIONS */
+	/**
+	* @brief	Parses DeviceStudio commands.
+	* @details	Parses and executes commands. Prints return code to i/o device.
+	* @returns true if sensor acted upon the command, false if command was unknown
+	*/
+	bool parse_command(const char* cmd);
+
+	/**
+	* @brief	 Fill in buffer with sensor data
+	*
+	* @param[in]	 buf Buffer to fill data into
+	* @param[in]	 size Maximum size of buffer
+	* @param[out]	Number of bytes written to buffer
+	*/
+	int data_report_execute(char* buf, int size);
+
+
+	/**
+	* @brief	Stop collecting data and disable sensor
+	*/
+	void stop();
+
+	// this function parses the parameters for max30001_ECG_InitStart function
+	int ECG_Parse_Parameters(char *substring, uint8_t parameters[], uint8_t parameters_len);
+
+	// this function parses the parameters for max30001_ECG_InitStart function for single digits
+	virtual int ECG_Parse_Parameters_Single(const char *substring, uint8_t parameters[], uint8_t parameters_len);
+
+
+private:
+	/* PRIVATE TYPE DEFINITIONS */
+	typedef enum _cmd_state_t {
+		InterruptInit=0,
+		get_format_1,
+		get_format_2,
+		ecg_mode,
+		ecg_mode_2,		//android app data stream mode
+		get_reg,
+		set_reg,
+		dump_regs,
+		set_cfg_ecg_invert,
+		NUM_CMDS,
+	} cmd_state_t;
+
+	typedef struct __attribute__((packed)) {
+		uint32_t start_byte		:8;
+		uint32_t sample_count	:8;		//Represent 0-127
+		uint32_t ecg			:24;	//ECG ADC data
+		uint32_t rtor			:14;	//R to R data
+		uint32_t rtor_bpm		:8;
+		uint8_t 				:0;		//Needed to align crc to byte boundary
+		uint8_t crc8			:8;
+	} ecg1_comm_packet;
+
+	typedef struct __attribute__((packed)) {
+		uint32_t start_byte		:8;
+		uint32_t sample_count	:8;
+		uint32_t rtor			:14;	//R to R data
+		uint32_t rtor_bpm		:8;
+		uint32_t ecg			:24;	//ECG ADC data
+		uint32_t ecg_2			:24;	//ECG ADC data 2
+		uint32_t ecg_3			:24;	//ECG ADC data 2
+		uint32_t ecg_4			:24;	//ECG ADC data 2
+		uint8_t 				:0;		//Needed to align crc to byte boundary
+		uint8_t crc8			:8;
+	} ecg_comm_packet_ble;
+	static const uint8_t m_ecg_ble_packet_count_ = 4;	//how many ecg info in a ble struct
+
+
+
+	/* PRIVATE VARIABLES */
+	USBSerial *m_USB;
+};
+
+char getHexDigit(char ch_hex, uint8_t *bt_hex);
+
+int ConvertHexString2Decimal(char *ch_hex, uint8_t *bt_hex, int len);
+
+		/*! Sensor output data to report */
+typedef struct {
+	int32_t ecg;
+	uint16_t rtor;
+	uint8_t rtor_bpm;
+	uint8_t reserved;
+	float x;
+	float y;
+	float z;
+} ecg_sensor_report;
+
+#endif /* _PPGCOMM_H_ */