devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Fuzev2: Reduce code duplication by reusing Fuzev1 code.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25481 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-04-05 12:01:44 +00:00
parent 95b03d2974
commit 446a67698f
5 changed files with 25 additions and 1098 deletions
Download patch file Download diff file Expand all files Collapse all files

21
firmware/target/arm/as3525/dbop-as3525.c
View file

@ -30,6 +30,8 @@
#define DBOP_PRECHARGE 0xF0FF
#endif
#if CONFIG_CPU == AS3525
/* doesn't work with the new ams sansas so far and is not needed */
static short int dbop_input_value = 0;
/* read the DBOP data pins */
@ -77,13 +79,24 @@ unsigned short dbop_debug(void)
return dbop_input_value;
}
#endif
static inline void dbop_set_mode(int mode)
{
int delay = 10;
if (mode == 32 && (!(DBOP_CTRL & (1<<13|1<<14))))
DBOP_CTRL |= (1<<13|1<<14);
else if (mode == 16 && (DBOP_CTRL & (1<<13|1<<14)))
DBOP_CTRL &= ~(1<<14|1<<13);
unsigned long ctrl = DBOP_CTRL;
int curr_mode = (DBOP_CTRL >> 13) & 0x3; // bits 14:13
#ifdef SANSA_FUZEV2
if (mode == 32 && curr_mode != 1<<1)
DBOP_CTRL = (ctrl & ~(1<<13)) | (1<<14); // 2 serial half words
else if (mode == 16 && curr_mode != 1<<0)
DBOP_CTRL = (ctrl & ~(1<<14)) | (1<<13); // 2 serial bytes
#else
if (mode == 32 && curr_mode == 0)
DBOP_CTRL = ctrl | (1<<13|1<<14); /* 2 serial half words */
else if (mode == 16 && curr_mode == (1<<1|1<<0))
DBOP_CTRL = ctrl & ~(1<<14|1<<13); /* 1 serial half word */
#endif
else
return;
while(delay--) asm volatile("nop");