Diff: dumb_i2c.cpp

Revision:

2:218e22a54982

Parent:

1:e105ceaee6ac

--- a/dumb_i2c.cpp	Tue Apr 05 02:11:20 2016 +0000
+++ b/dumb_i2c.cpp	Tue Apr 05 06:53:27 2016 +0000
@@ -25,29 +25,37 @@
     return(freq) ;
 }
 
-void DUMB_I2C::read(int addr, uint8_t *data, int len) 
+int DUMB_I2C::read(int addr, uint8_t *data, int len) 
 {
-    readRegs(addr, data, len) ;
+    int result ;
+    result = readRegs(addr, data, len) ;
+    return( result ) ;
 }
 
-void DUMB_I2C::write(int addr, uint8_t *data, int len) 
+int DUMB_I2C::write(int addr, uint8_t *data, int len) 
 {
     uint8_t *buf ;
+    int ack ;
     buf = new uint8_t[len+1] ;
     buf[0] = addr ;
     for (int i = 0 ; i < len ; i++ ) {
         buf[i+1] = data[i] ;
     }
-    writeRegs(buf, len+1) ;
+    ack = writeRegs(buf, len+1) ;
     delete buf ;
+    return( ack ) ;
 }
 
-void DUMB_I2C::readRegs(int addr, uint8_t * data, int len) {
+int DUMB_I2C::readRegs(int addr, uint8_t * data, int len) {
+    int result ;
     char t[1] = {addr};
     m_i2c.write(m_addr, t, 1, true);
-    m_i2c.read(m_addr, (char *)data, len);
+    result = m_i2c.read(m_addr, (char *)data, len);
+    return( result ) ;
 }
 
-void DUMB_I2C::writeRegs(uint8_t * data, int len) {
-    m_i2c.write(m_addr, (char *)data, len);
+int DUMB_I2C::writeRegs(uint8_t * data, int len) {
+    int ack ;
+    ack = m_i2c.write(m_addr, (char *)data, len);
+    return( ack ) ;
 }
\ No newline at end of file