Rohm optical pulse wave sensor bh1790glc hello world. Printing values of wave to serial.

Dependencies:   RegisterWriter rohm-bh1790glc-driver

Fork of kionix-kx123-hello by Rohm

Revision:
3:76f82d0d3c8a
Parent:
0:bb054fb43c57
Child:
4:50eff3af63c7
diff -r 7fe25750b23d -r 76f82d0d3c8a main.cpp
--- a/main.cpp	Thu Oct 06 10:33:43 2016 +0000
+++ b/main.cpp	Fri Jun 16 11:59:58 2017 +0000
@@ -1,38 +1,60 @@
-/*   Copyright 2016 Rohm Semiconductor
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
+/*
+The MIT License (MIT)
+Copyright (c) 2017 Rohm Semiconductor
 
-       http://www.apache.org/licenses/LICENSE-2.0
+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:
 
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
+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.
 */
 
 #include "RegisterWriter/RegisterWriter/rohm_hal2.h"
 
-#include "kionix-kx123-driver/kx123_registers.h"
-#include "kionix-kx123-driver/kx123.h"
+#include "rohm-bh1790glc-driver/bh1790glc_registers.h"
+#include "rohm-bh1790glc-driver/bh1790glc.h"
 
 DigitalOut led1(LED1);
-DigitalOut led2(LED2);
 Serial pc(USBTX, USBRX);
 
 I2C i2c(I2C_SDA, I2C_SCL);
 RegisterWriter i2c_rw(i2c);
+BH1790GLC bh1790glc(i2c_rw);
 
-int main() {
-    bool error;
+/* Global variables for timer */
+bool interval_elapsed;
+Ticker ticker;
+
+void timer_isr()
+{
+    interval_elapsed = true;
+}
 
-    KX123 acc(i2c_rw);
-    float xmax = 0, xmin = 0;
+int main()
+{
+    uint16_t data[2];
+    int error;
 
-    do{ //init
-        error = acc.set_defaults();
+    pc.baud(115200);
+    i2c.frequency(400000);
+
+    wait(0.1);
+
+    do{ //until init OK.
+        error = bh1790glc.set_default_on();
         Thread::wait(50);
         led1 = !led1;   //Red led toggle
         Thread::wait(200);
@@ -40,40 +62,18 @@
     while (error);
     led1 = 0; //Red off
 
-    while (true) {
-        float res[3];
-
-        Thread::wait(50);
-        error = acc.getresults_g(&res[0]);
-        if (error){
-            led2 = 0;   //Green off
-            led1 = 1;   //Red on
-            xmax = 0;
-            xmin = 0;
-            pc.printf("Reattach sensor. Note that if reconnecting also sensor config pins\r\n");
-            pc.printf("(f.ex. SPI/I2C selection) connection should be made in correct pin order.\r\n");
+    interval_elapsed = false;
+    ticker.attach(&timer_isr, 0.03125);                 //32Hz
 
-            while (error){
-                error = acc.set_defaults();
-                led1 = !led1;   //Red off
-                Thread::wait(100);
-                }
-            led1 = 0; //Red off
-            continue; //loop again if read failed
+    while(true) {
+        if (interval_elapsed) {                         //Wait until ISR
+            error = bh1790glc.getresults(data);
+            if (!error) {
+                pc.printf("%d, %d\r\n", data[1], data[0]);
+                //pc.printf("STX,%d,ETX\r\n",data[1]);  //for lazurite graph
             }
-        //else no error, printout values
-        
-        //pc.printf("X[%0.2f], Y[%0.2f], Z[%0.2f]\r\n", res[0], res[1], res[2]);
-        if (xmax < res[0]){
-            xmax = res[0]; 
-            pc.printf("Xmax[%0.2f], Xmin[%0.2f]\r\n", xmax, xmin);
-            }
-        if (xmin > res[0]){
-            xmin = res[0]; 
-            pc.printf("Xmax[%0.2f], Xmin[%0.2f]\r\n", xmax, xmin);
-            }
+            interval_elapsed = false;
+        }
+    }
+} /* main() */
 
-        led2 = !led2;   //Toggle green after each successfull read
-    }
-}
-