diff options
Diffstat (limited to 'firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c')
-rw-r--r-- | firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c index 8654419f10..9a8b58fd3f 100644 --- a/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c +++ b/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c | |||
@@ -31,6 +31,7 @@ | |||
31 | #define WHEEL_FAST_OFF_INTERVAL 60000 | 31 | #define WHEEL_FAST_OFF_INTERVAL 60000 |
32 | #define WHEELCLICKS_PER_ROTATION 48 /* wheelclicks per full rotation */ | 32 | #define WHEELCLICKS_PER_ROTATION 48 /* wheelclicks per full rotation */ |
33 | 33 | ||
34 | static short _dbop_din; | ||
34 | /* Clickwheel */ | 35 | /* Clickwheel */ |
35 | static unsigned int old_wheel_value = 0; | 36 | static unsigned int old_wheel_value = 0; |
36 | static unsigned int wheel_repeat = BUTTON_NONE; | 37 | static unsigned int wheel_repeat = BUTTON_NONE; |
@@ -47,7 +48,7 @@ static bool hold_button = false; | |||
47 | static bool hold_button_old = false; | 48 | static bool hold_button_old = false; |
48 | #endif | 49 | #endif |
49 | 50 | ||
50 | extern void lcd_button_support(void); | 51 | extern bool lcd_button_support(void); |
51 | 52 | ||
52 | void button_init_device(void) | 53 | void button_init_device(void) |
53 | { | 54 | { |
@@ -85,8 +86,7 @@ void clickwheel(unsigned int wheel_value) | |||
85 | unsigned long usec = TIMER1_VALUE; /* WAG!!! and it works!!*/ | 86 | unsigned long usec = TIMER1_VALUE; /* WAG!!! and it works!!*/ |
86 | unsigned v = (usec - last_wheel_usec) & 0x7fffffff; | 87 | unsigned v = (usec - last_wheel_usec) & 0x7fffffff; |
87 | 88 | ||
88 | v = (v>0) ? 1000000 / v : 0; /* clicks/sec = 1000000 * | 89 | v = (v>0) ? 1000000 / v : 0; /* clicks/sec = 1000000 * +clicks/usec */ |
89 | +clicks/usec */ | ||
90 | v = (v>0xffffff) ? 0xffffff : v; /* limit to 24 bit */ | 90 | v = (v>0xffffff) ? 0xffffff : v; /* limit to 24 bit */ |
91 | 91 | ||
92 | /* some velocity filtering to smooth things out */ | 92 | /* some velocity filtering to smooth things out */ |
@@ -119,8 +119,7 @@ void clickwheel(unsigned int wheel_value) | |||
119 | } | 119 | } |
120 | else | 120 | else |
121 | { | 121 | { |
122 | /* fast ON gets filtered to avoid inadvertent jumps to fast mode | 122 | /* fast ON gets filtered to avoid inadvertent jumps to fast mode */ |
123 | */ | ||
124 | if (repeat && wheel_velocity > 1000000/WHEEL_FAST_ON_INTERVAL) | 123 | if (repeat && wheel_velocity > 1000000/WHEEL_FAST_ON_INTERVAL) |
125 | { | 124 | { |
126 | /* moving into fast mode */ | 125 | /* moving into fast mode */ |
@@ -180,12 +179,13 @@ void clickwheel(unsigned int wheel_value) | |||
180 | old_wheel_value = wheel_value; | 179 | old_wheel_value = wheel_value; |
181 | } | 180 | } |
182 | 181 | ||
183 | int read_dbop(void) | 182 | static short read_dbop(void) |
184 | { | 183 | { |
185 | /*write a red pixel */ | 184 | /*write a red pixel */ |
186 | lcd_button_support(); | 185 | if (!lcd_button_support()) |
186 | return _dbop_din; | ||
187 | 187 | ||
188 | /* Set up dbop for input */ | 188 | /* Set up dbop for input */ |
189 | while (!(DBOP_STAT & (1<<10))); /* Wait for fifo to empty */ | 189 | while (!(DBOP_STAT & (1<<10))); /* Wait for fifo to empty */ |
190 | DBOP_CTRL |= (1<<19); | 190 | DBOP_CTRL |= (1<<19); |
191 | DBOP_CTRL &= ~(1<<16); /* disable output */ | 191 | DBOP_CTRL &= ~(1<<16); /* disable output */ |
@@ -198,14 +198,14 @@ int read_dbop(void) | |||
198 | int delay = 50; | 198 | int delay = 50; |
199 | while(delay--); /* small delay to set up read */ | 199 | while(delay--); /* small delay to set up read */ |
200 | 200 | ||
201 | int ret = DBOP_DIN; /* now read dbop & store info*/ | 201 | _dbop_din = DBOP_DIN; /* now read dbop & store info*/ |
202 | 202 | ||
203 | DBOP_TIMPOL_01 = 0x6e167; | 203 | DBOP_TIMPOL_01 = 0x6e167; |
204 | DBOP_TIMPOL_23 = 0xa167e06f; | 204 | DBOP_TIMPOL_23 = 0xa167e06f; |
205 | DBOP_CTRL |= (1<<16); | 205 | DBOP_CTRL |= (1<<16); |
206 | DBOP_CTRL &= ~(1<<19); | 206 | DBOP_CTRL &= ~(1<<19); |
207 | 207 | ||
208 | return ret; | 208 | return _dbop_din; |
209 | } | 209 | } |
210 | 210 | ||
211 | /* | 211 | /* |
@@ -215,7 +215,7 @@ int button_read_device(void) | |||
215 | { | 215 | { |
216 | int btn = BUTTON_NONE; | 216 | int btn = BUTTON_NONE; |
217 | /* read buttons from dbop */ | 217 | /* read buttons from dbop */ |
218 | int dbop = read_dbop(); | 218 | short dbop = read_dbop(); |
219 | 219 | ||
220 | /* hold button */ | 220 | /* hold button */ |
221 | if(dbop & (1<<12)) | 221 | if(dbop & (1<<12)) |