diff options
Diffstat (limited to 'gba/source/link.c')
-rw-r--r-- | gba/source/link.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/gba/source/link.c b/gba/source/link.c index e695622..c84e44d 100644 --- a/gba/source/link.c +++ b/gba/source/link.c | |||
@@ -1,13 +1,20 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2017 hatkirby | ||
3 | * | ||
4 | * This software may be modified and distributed under the terms | ||
5 | * of the MIT license. See the LICENSE file for details. | ||
6 | */ | ||
1 | #include "link.h" | 7 | #include "link.h" |
2 | 8 | ||
3 | #define JOY_WRITE 2 | 9 | #define JOY_WRITE 2 |
4 | #define JOY_READ 4 | 10 | #define JOY_READ 4 |
5 | #define JOY_RW 6 | 11 | #define JOY_RW 6 |
6 | 12 | ||
7 | void waitForWriteAccess() | 13 | void initializeLink() |
8 | { | 14 | { |
9 | //while ((REG_HS_CTRL & JOY_READ) == 0); | 15 | REG_HS_CTRL |= JOY_RW; |
10 | while ((REG_HS_CTRL & JOY_WRITE) == 0); | 16 | REG_JOYTR = 0; |
17 | while ((REG_HS_CTRL & JOY_WRITE) == 0); | ||
11 | REG_HS_CTRL |= JOY_RW; | 18 | REG_HS_CTRL |= JOY_RW; |
12 | } | 19 | } |
13 | 20 | ||
@@ -23,19 +30,9 @@ void waitForAck() | |||
23 | void sendS32(s32 val) | 30 | void sendS32(s32 val) |
24 | { | 31 | { |
25 | REG_JOYTR = val; | 32 | REG_JOYTR = val; |
26 | //waitForWriteAccess(); | ||
27 | } | 33 | } |
28 | 34 | ||
29 | void sendU32(u32 val) | 35 | void sendU32(u32 val) |
30 | { | 36 | { |
31 | REG_JOYTR = val; | 37 | REG_JOYTR = val; |
32 | //waitForWriteAccess(); | ||
33 | } | ||
34 | |||
35 | u32 recieveU32() | ||
36 | { | ||
37 | while ((REG_HS_CTRL & JOY_WRITE) == 0); | ||
38 | REG_HS_CTRL |= JOY_RW; | ||
39 | return REG_JOYRE; | ||
40 | } | 38 | } |
41 | |||