YKNCT
/
YKNCT_I2C_lib
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Diff: YKNCT_I2C.cpp
- Revision:
- 0:c555f844eb8d
- Child:
- 1:67d5ea2ff6c1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/YKNCT_I2C.cpp Tue Apr 02 07:18:26 2019 +0000
@@ -0,0 +1,23 @@
+#include "YKNCT_I2C.h"
+
+Y_I2C::Y_I2C(PinName sda, PinName scl) : i2c(sda, scl)
+{
+ i2c.frequency(100000);
+}
+
+int Y_I2C::Adc(int address, int num)
+{
+ static char data[8]= {0};
+ static int ad_data[4]= {0};
+
+ i2c.read(address<<1, data, 8, false);
+
+ for(int i=0; i<4; i++)
+ ad_data[i]=(int16_t)data[i*2+1]<<8|data[i*2];
+
+ return ad_data[num];
+}
+
+
+
+