Merge pull request #5 from Protocentral/add-tinyecg-support

Fix: Register write order. Add tiny ECG support on Qt Py

.gitignore

@@ -30,3 +30,5 @@
 *.exe
 *.out
 *.app
+
+.vscode

.vscode/arduino.json

@@ -1,5 +1,6 @@
 {
-    "port": "/dev/tty.usbmodem212301",
-    "board": "arduino:avr:uno",
-    "sketch": "examples/Example1-ECG-BioZ-stream-Openview/Example1-ECG-BioZ-stream-Openview.ino"
+    "port": "/dev/tty.usbmodem2101",
+    "board": "esp32:esp32:adafruit_qtpy_esp32c3",
+    "sketch": "examples/Example3-tinyECG-Openview/Example3-tinyECG-Openview.ino",
+    "configuration": "CDCOnBoot=cdc,PartitionScheme=default,CPUFreq=160,FlashMode=dout,FlashFreq=80,FlashSize=4M,UploadSpeed=115200,DebugLevel=none"
 }

examples/Example2-tinyECG-ECG-BioZ-Openview/Example2-tinyECG-ECG-BioZ-Openview.ino

@@ -0,0 +1,153 @@
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+//    Demo code for the MAX30001 breakout board
+//
+//    This example plots the ECG through serial UART on openview processing GUI.
+//    GUI URL: https://github.com/Protocentral/protocentral_openview.git
+//
+//    Arduino connections:
+//
+//  |MAX30001 pin label| Pin Function         |Arduino Connection|
+//  |----------------- |:--------------------:|-----------------:|
+//  | MISO             | Slave Out            |  D12             |
+//  | MOSI             | Slave In             |  D11             |
+//  | SCLK             | Serial Clock         |  D13             |
+//  | CS               | Chip Select          |  D7              |
+//  | VCC              | Digital VDD          |  +5V             |
+//  | GND              | Digital Gnd          |  Gnd             |
+//  | FCLK             | 32K CLOCK            |  -               |
+//  | INT1             | Interrupt1           |  02              |
+//  | INT2             | Interrupt2           |  -               |
+//
+//    This software is licensed under the MIT License(http://opensource.org/licenses/MIT).
+//
+//   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.
+//
+//   For information on how to use, visit https://github.com/Protocentral/protocentral_max30001
+//
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#include <SPI.h>
+#include "protocentral_max30001.h"
+
+#define MAX30001_CS_PIN 20
+#define MAX30001_DELAY_SAMPLES 8 // Time between consecutive samples
+
+#define CES_CMDIF_PKT_START_1 0x0A
+#define CES_CMDIF_PKT_START_2 0xFA
+#define CES_CMDIF_TYPE_DATA 0x02
+#define CES_CMDIF_PKT_STOP 0x0B
+#define DATA_LEN 0x0C
+#define ZERO 0
+
+volatile char DataPacket[DATA_LEN];
+const char DataPacketFooter[2] = {ZERO, CES_CMDIF_PKT_STOP};
+const char DataPacketHeader[5] = {CES_CMDIF_PKT_START_1, CES_CMDIF_PKT_START_2, DATA_LEN, ZERO, CES_CMDIF_TYPE_DATA};
+
+uint8_t data_len = 0x0C;
+
+MAX30001 max30001(MAX30001_CS_PIN);
+
+signed long ecg_data;
+signed long bioz_data;
+
+void sendData(signed long ecg_sample, signed long bioz_sample, bool _bioZSkipSample)
+{
+
+  DataPacket[0] = ecg_sample;
+  DataPacket[1] = ecg_sample >> 8;
+  DataPacket[2] = ecg_sample >> 16;
+  DataPacket[3] = ecg_sample >> 24;
+
+  DataPacket[4] = bioz_sample;
+  DataPacket[5] = bioz_sample >> 8;
+  DataPacket[6] = bioz_sample >> 16;
+  DataPacket[7] = bioz_sample >> 24;
+
+  if (_bioZSkipSample == false)
+  {
+    DataPacket[8] = 0x00;
+  }
+  else
+  {
+    DataPacket[8] = 0xFF;
+  }
+
+  DataPacket[9] = 0x00; // max30001.heartRate >> 8;
+  DataPacket[10] = 0x00;
+  DataPacket[11] = 0x00;
+
+  // Send packet header (in ProtoCentral OpenView format)
+  for (int i = 0; i < 5; i++)
+  {
+    Serial.write(DataPacketHeader[i]);
+  }
+
+  // Send the data payload
+  for (int i = 0; i < DATA_LEN; i++) // transmit the data
+  {
+    Serial.write(DataPacket[i]);
+  }
+
+  // Send packet footer (in ProtoCentral OpenView format)
+  for (int i = 0; i < 2; i++)
+  {
+    Serial.write(DataPacketFooter[i]);
+  }
+}
+
+bool BioZSkipSample = false;
+
+void setup()
+{
+  Serial.begin(57600); // Serial begin
+  //SPI.begin();
+
+
+  SPI.begin(10,8,7,20);
+
+  //SPI.
+
+  bool ret = max30001.max30001ReadInfo();
+  if (ret)
+  {
+    Serial.println("MAX 30001 read ID Success");
+  }
+  else
+  {
+    while (!ret)
+    {
+      // stay here untill the issue is fixed.
+      ret = max30001.max30001ReadInfo();
+      Serial.println("Failed to read ID, please make sure all the pins are connected");
+      delay(5000);
+    }
+  }
+
+  Serial.println("Initialising the chip ...");
+  max30001.BeginECGBioZ(); // initialize MAX30001
+                           // max30001.Begin();
+}
+
+void loop()
+{
+  ecg_data = max30001.getECGSamples();
+  // max30001.getHRandRR();
+  if (BioZSkipSample == false)
+  {
+    bioz_data = max30001.getBioZSamples();
+    sendData(ecg_data, bioz_data, BioZSkipSample);
+    BioZSkipSample = true;
+  }
+  else
+  {
+    bioz_data = 0x00;
+    sendData(ecg_data, bioz_data, BioZSkipSample);
+    BioZSkipSample = false;
+  }
+  delay(8);
+}