Diff: Polling_multiple_devices/main.cpp

Revision:

0:ed5e54b4383d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Polling_multiple_devices/main.cpp	Mon Sep 09 02:34:29 2019 -0300
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2019 Branilson Luiz
+ * main.hpp - INA226: polling multiple devices example using the ina226
+ * Mbed Library.
+ * 
+ * branilson (at) gmail dot com
+ * Github: https://github.com/branilson/ina226_mbed_library
+ * 
+ * This program is free software: you can redistribute it and/or modify it un-
+ * der the terms of the version 3 GNU General Public License as published by
+ * the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FIT-
+ * NESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mbed.h"
+#include "ina226.hpp"
+
+Serial pc(USBTX, USBRX);
+DigitalOut myled(LED1);
+I2C i2c(PB_7, PB_6);
+unsigned const int I2C_FREQ = 400000;
+unsigned const int NUM_DEVICES = 4;
+const int ina_addr[NUM_DEVICES] = {0x80, 0x82, 0x8a, 0x88};
+const float current_limits[NUM_DEVICES] = {0.01, 0.02, 0.02, 1.0};
+ina226 ina[NUM_DEVICES] = {ina226(i2c, ina_addr[0], I2C_FREQ),
+ ina226(i2c, ina_addr[1], I2C_FREQ),
+ ina226(i2c, ina_addr[2], I2C_FREQ),
+ ina226(i2c, ina_addr[3], I2C_FREQ)};
+
+int main() {
+  pc.printf("INA226 TEST Program. (BUILD:[" __DATE__ "/" __TIME__ "])\n");
+  int count = 1;
+  unsigned int i;
+  for (i=0; i < NUM_DEVICES; i++) {  // setConfig/setCalibration batch
+    pc.printf("INA226 Address %xh Config return: %d\n",
+     ina_addr[i],
+     ina[i].setConfig(AVERAGES_64,
+     BUS_CONV_TIME_1100US,
+     SHUNT_CONV_TIME_1100US,
+     MODE_SHUNT_BUS_CONT));
+    pc.printf("INA226 Address %xh Calibration return: %d\n",
+     ina_addr[i],
+     ina[i].setCalibration(0.01, 1.0));
+     ina[i].enableShuntOverVoltageAlert();
+     ina[i].setOverCurrentLimit(current_limits[i]);
+  }
+
+  while (1)  {
+    pc.printf("\n%d:\n", count);
+
+    for (i=0; i < NUM_DEVICES; i++) {
+      pc.printf("Device %xh: ManID %d, DieID %d, Cal %d, ShuntV %+2.6fV, %+2.6fV, %+2.6fA, %+2.6fW\n",
+       ina_addr[i],
+       ina[i].readManufacturerID(),
+       ina[i].readDieID(),
+       ina[i].readCalibration(),
+       ina[i].readShuntVoltage(),
+       ina[i].readBusVoltage(),
+       ina[i].readCurrent(),
+       ina[i].readPower());
+      if (ina[i].isAlert()) {
+        pc.printf("Overcurrent detected on device %xh\n", ina_addr[i]);
+      }
+    }
+
+    myled = 1;
+    wait(1);
+    myled = 0;
+    wait(1);
+    count++;
+  }
+}