Vergil_Wong/lib_xua
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add read_byte_via_xc_ptr_indexed for reading from buffer byte by byte.

Browse Source
This commit is contained in:
Russell Gallop
2011-08-17 16:31:03 +01:00
parent 4d355517c6
commit b821b92041
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
module_usb_aud_shared/usb_buffer/xc_ptr.h
View File

@@ -17,6 +17,7 @@ inline xc_ptr array_to_xc_ptr(unsigned a[]) {
#define read_via_xc_ptr(x,p) asm("ldw %0, %1[0]":"=r"(x):"r"(p)); #define read_via_xc_ptr(x,p) asm("ldw %0, %1[0]":"=r"(x):"r"(p));
#define read_via_xc_ptr_indexed(x,p,i) asm("ldw %0, %1[%2]":"=r"(x):"r"(p),"r"(i)); #define read_via_xc_ptr_indexed(x,p,i) asm("ldw %0, %1[%2]":"=r"(x):"r"(p),"r"(i));
#define read_byte_via_xc_ptr_indexed(x,p,i) asm("ld8u %0, %1[%2]":"=r"(x):"r"(p),"r"(i));
#define GET_SHARED_GLOBAL(x, g) asm("ldw %0, dp[" #g "]":"=r"(x)) #define GET_SHARED_GLOBAL(x, g) asm("ldw %0, dp[" #g "]":"=r"(x))
#define SET_SHARED_GLOBAL(g, v) asm("stw %0, dp[" #g "]"::"r"(v)) #define SET_SHARED_GLOBAL(g, v) asm("stw %0, dp[" #g "]"::"r"(v))