Diff: max113xx_pixi_app.cpp

Revision:

13:fba77a5d0fa0

Child:

15:0d47d5879a21

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/max113xx_pixi_app.cpp	Thu Jun 28 15:47:24 2018 +0300
@@ -0,0 +1,39 @@
+/*
+ * max113xx_pixi_app.cpp
+ *
+ *  Created on: Jun 20, 2018
+ *      Author: Mahir.Ozturk
+ */
+#include <mbed.h>
+#include "max113xx_pixi_app.h"
+#include "MAX113XX_Pixi.h"
+#include "MAX11301Hex.h"
+#include "ble_comm.h"
+
+#define MAX113XX_DATA_READ_PERIOD_MSEC	2000
+#define MAX113XX_I2C_ADDRESS	0x38
+
+void max11301_reader_task(struct max11301_reader_task_args *args)
+{
+	uint16_t adcData;
+	float adcVoltage;
+
+	MAX113XX_I2C pixi(args->i2cBus, MAX113XX_I2C::MAX11301, MAX113XX_I2C_ADDRESS, P5_5);
+
+	pixi.dacWrite(MAX113XX_Pixi::PORT0, 0x000);    // Pixi PORT0 is -5V
+	pixi.dacWrite(MAX113XX_Pixi::PORT1, 0xFFF);    // Pixi PORT1 is +5V
+
+	printf("Starting MAX11301 PIXI ADC Demo Application...\r\n");
+
+	while (1) {
+		pixi.singleEndedADCRead(MAX113XX_Pixi::PORT9, adcData);    // Read value from PORT9
+		adcVoltage = -5 + 2.442e-3  * adcData;                     // Convert ADC val. to a voltage
+
+		printf("ADC Read is : %i,\tVoltage is %1.3f V \r\n", adcData, adcVoltage);
+
+		bleGattAttrWrite(args->gatt, (uint8_t *)&adcVoltage, sizeof(adcVoltage));
+
+		Thread::wait(args->notify_period_sec * 1000);
+	}
+}
+