laiyp/lib_xua
1
0
Fork 0
forked from PAWPAW-Mirror/lib_xua
Code Pull Requests Activity

Copy across from apps_usb_aud_shared

Browse Source
This commit is contained in:
Russell Gallop
2011-07-08 15:12:28 +01:00
parent 0235ee8dcc
commit 7bc53853c4
14 changed files with 248 additions and 305 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
module_usb_aud_shared/i2c/i2c.h
View File

@@ -1,4 +1,10 @@
// Channel interface
void I2cRegWriteC(int deviceAdrs, int Adrs, int WrData, chanend c);
int I2cRegReadC(int deviceAdrs, int Adrs, chanend c);
// Function interface
void I2cRegWrite(int deviceAdrs, int Adrs, int WrData, port AUD_SCLK, port AUD_SDIN);
int I2cRegRead(int deviceAdrs, int Adrs, port AUD_SCLK, port AUD_SDIN);

22
module_usb_aud_shared/i2c/i2c.xc
View File

@@ -1,6 +1,28 @@
#include <xs1.h>
#include <print.h>
int I2cRegReadC(int device, int addr, chanend c) {
int read;
int retVal;
c <: 0; // isWrite
c <: device;
c <: addr;
c <: 1; // only ever one byte
c :> read;
c :> retVal;
return read;
}
void I2cRegWriteC(int device, int addr, int data, chanend c) {
int retVal;
c <: 1; // isWrite
c <: device;
c <: addr;
c <: 1; // only ever one byte
c <: data;
c :> retVal;
}
int I2cRegRead(int device, int addr, port scl, port sda)
{
//int Result;