Diff: HSP/RpcServer/Streaming.cpp

Revision:

0:8e4630a71eb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HSP/RpcServer/Streaming.cpp	Thu Apr 05 10:53:26 2018 +0300
@@ -0,0 +1,178 @@
+/*******************************************************************************
+ * Copyright (C) 2016 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.
+ *******************************************************************************
+ */
+#include "RpcServer.h"
+#include "RpcFifo.h"
+#include "Streaming.h"
+#include "Peripherals.h"
+#include "MAX30001.h"
+#include "Test_MAX30001.h"
+#include "Peripherals.h"
+
+bool streaming = FALSE;
+bool dataLogging = FALSE;
+
+/**
+* @brief Encodes a 0x55 0xAA signature and a simple checksum to the id byte in
+* the 32 bit field
+* @param id Streaming ID
+*/
+uint32_t StreamIdChecksumCalculate(uint32_t id) {
+  uint32_t sum;
+  uint32_t calculated;
+  sum = 0x55;
+  sum += 0xAA;
+  sum += id;
+  sum &= 0xFF;
+  sum = sum << 8;
+  calculated = 0x55AA0000 + sum + id;
+  return calculated;
+}
+
+/**
+* @brief Creates a packet that will be streamed via USB or saved into flash
+* datalog memory
+* @brief the packet created will be inserted into a fifo to be streamed at a
+* later time
+* @param id Streaming ID
+* @param buffer Pointer to a uint32 array that contains the data to include in
+* the packet
+* @param number Number of elements in the buffer
+*/
+void StreamPacketUint32(uint32_t id, uint32_t *buffer, uint32_t number) {
+  uint32_t checksumId;
+  if (streaming == TRUE || dataLogging == TRUE) {
+    checksumId = StreamIdChecksumCalculate(id);
+    StreamFifoId(checksumId);
+    StreamFifoTimeStamp();
+    StreamFifoLength(number);
+    StreamFifoUint32Array(buffer, number);
+  }
+  if (testing_max30001 == 1) {
+    if (id == MAX30001_DATA_ECG)
+      testing_ecg_flags[TESTING_ECG_FLAG] = 1;
+    if (id == MAX30001_DATA_BIOZ)
+      testing_ecg_flags[TESTING_BIOZ_FLAG] = 1;
+    if (id == MAX30001_DATA_PACE)
+      testing_ecg_flags[TESTING_PACE_FLAG] = 1;
+    if (id == MAX30001_DATA_RTOR)
+      testing_ecg_flags[TESTING_RTOR_FLAG] = 1;
+  }
+}
+
+/**
+* @brief Insert a buffer into the out going fifo
+* @param buffer Array of uint32 to send to the fifo
+* @param len Length of the array
+*/
+int StreamFifoUint32Array(uint32_t buffer[], uint32_t len) {
+  int status;
+  uint32_t i;
+  for (i = 0; i < len; i++) {
+    status = fifo_put32(GetStreamOutFifo(), buffer[i]);
+    if (status == -1) {
+      printf("FIFO_OF!");
+      fflush(stdout);
+      while (1)
+        ;
+    }
+  }
+  return 0;
+}
+
+/**
+* @brief Insert a timestamp into the out going fifo
+*/
+int StreamFifoTimeStamp(void) {
+  int status;
+  // uint32_t timer = timestamp_GetCurrent(); //RTC_GetVal();
+  uint32_t timer = (uint32_t)Peripherals::timestampTimer()->read_us();
+  status = fifo_put32(GetStreamOutFifo(), timer);
+  if (status == -1) {
+    printf("FIFO_OF!");
+    fflush(stdout);
+    while (1)
+      ;
+  }
+  return 0;
+}
+
+/**
+* @brief Insert a packet id into the out going fifo
+* @param id The uint32 packet id
+*/
+int StreamFifoId(uint32_t id) {
+  int status;
+  status = fifo_put32(GetStreamOutFifo(), id);
+  if (status == -1) {
+    printf("FIFO_OF!");
+    fflush(stdout);
+    while (1)
+      ;
+  }
+  return 0;
+}
+
+/**
+* @brief Insert a length value into the out going fifo
+* @param length A uint32 number representing a length
+*/
+int StreamFifoLength(uint32_t length) {
+  int status;
+  status = fifo_put32(GetStreamOutFifo(), length);
+  if (status == -1) {
+    printf("FIFO_OF!");
+    fflush(stdout);
+    while (1)
+      ;
+  }
+  return 0;
+}
+
+/**
+* @brief Return a value that indicates if the system is streaming data
+* @returns Returns a one or zero value
+*/
+uint8_t IsStreaming(void) { return streaming; }
+
+/**
+* @brief Set a flag to indicate if streaming is enabled
+* @param state A one or zero value
+*/
+void SetStreaming(uint8_t state) { streaming = state; }
+
+/**
+* @brief Set a flag to indicate if datalogging is enabled
+* @param state A one or zero value
+*/
+void SetDataLoggingStream(uint8_t state) { dataLogging = state; }
+