Diff: ADS1100.cpp

Revision:

0:b211ff96822b

Child:

1:ccf2f06f72d0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADS1100.cpp	Thu May 31 04:28:43 2018 +0000
@@ -0,0 +1,42 @@
+//**********************
+// ADS1100.cpp for mbed
+//
+// 
+//
+// (C)Copyright 2018 All rights reserved by K.Hongu
+//**********************
+
+#include "mbed.h"
+#include "ADS1100.h"
+
+ADS1100::ADS1100 (PinName sda, PinName scl, uint8_t addr) : _i2c(sda, scl) {
+    init(addr);
+}
+ADS1100::ADS1100 (I2C& p_i2c, uint8_t addr) : _i2c(p_i2c) {
+    init(addr);
+}
+
+void init(uint8_t addr) {
+    address = ADS1100_ADDR << 3 + addr // make address
+    
+    config.bit.ST=0; // must be 0
+    config.bit.RE=0; // must be 0
+    config.bit.SC=0; // continuous mode
+    config.bit.DR=3; // 8SPS
+    config.bit.PGA=0; // No GAIN
+    
+    buf[0] = config.UC;
+    
+    _i2c.write(address, buf, 1);
+}
+
+uint16_t ADS1100::get()
+{
+
+    _i2c.read(address , buf, 3);
+
+    result.byte.UB=buf[0];
+    result.byte.LB=buf[1];
+    config.UC=buf[2];
+    return result.S; // 16bit
+}
\ No newline at end of file