diff options
-rw-r--r-- | firmware/drivers/adc.c | 16 | ||||
-rw-r--r-- | firmware/export/adc.h | 10 | ||||
-rwxr-xr-x | firmware/target/coldfire/iaudio/x5/adc-x5.c | 68 |
3 files changed, 77 insertions, 17 deletions
diff --git a/firmware/drivers/adc.c b/firmware/drivers/adc.c index b71583ca05..e565372fac 100644 --- a/firmware/drivers/adc.c +++ b/firmware/drivers/adc.c | |||
@@ -332,19 +332,3 @@ void adc_init(void) | |||
332 | } | 332 | } |
333 | 333 | ||
334 | #endif | 334 | #endif |
335 | #ifdef IAUDIO_X5 | ||
336 | unsigned char adc_scan(int channel) | ||
337 | { | ||
338 | return 0; | ||
339 | } | ||
340 | |||
341 | unsigned short adc_read(int channel) | ||
342 | { | ||
343 | return 0; | ||
344 | } | ||
345 | |||
346 | void adc_init(void) | ||
347 | { | ||
348 | } | ||
349 | |||
350 | #endif | ||
diff --git a/firmware/export/adc.h b/firmware/export/adc.h index 4082e4b39b..027c7154f0 100644 --- a/firmware/export/adc.h +++ b/firmware/export/adc.h | |||
@@ -21,7 +21,15 @@ | |||
21 | 21 | ||
22 | #include "config.h" | 22 | #include "config.h" |
23 | 23 | ||
24 | #if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES) | 24 | #ifdef IAUDIO_X5 |
25 | #define NUM_ADC_CHANNELS 3 | ||
26 | |||
27 | #define ADC_BUTTONS 0 | ||
28 | #define ADC_REMOTE 1 | ||
29 | #define ADC_BATTERY 2 | ||
30 | #define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */ | ||
31 | |||
32 | #elif defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES) | ||
25 | #define NUM_ADC_CHANNELS 4 | 33 | #define NUM_ADC_CHANNELS 4 |
26 | 34 | ||
27 | #define ADC_BUTTONS 0 | 35 | #define ADC_BUTTONS 0 |
diff --git a/firmware/target/coldfire/iaudio/x5/adc-x5.c b/firmware/target/coldfire/iaudio/x5/adc-x5.c new file mode 100755 index 0000000000..c67b8b5c98 --- /dev/null +++ b/firmware/target/coldfire/iaudio/x5/adc-x5.c | |||
@@ -0,0 +1,68 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include "config.h" | ||
20 | #include "cpu.h" | ||
21 | #include "system.h" | ||
22 | #include "kernel.h" | ||
23 | #include "thread.h" | ||
24 | #include "adc.h" | ||
25 | #include "pcf50606.h" | ||
26 | |||
27 | static unsigned char adcdata[NUM_ADC_CHANNELS]; | ||
28 | |||
29 | static int channelnum[] = | ||
30 | { | ||
31 | 5, /* ADC_BUTTONS (ADCIN2) */ | ||
32 | 6, /* ADC_REMOTE (ADCIN3) */ | ||
33 | 0, /* ADC_BATTERY (BATVOLT, resistive divider) */ | ||
34 | }; | ||
35 | |||
36 | unsigned char adc_scan(int channel) | ||
37 | { | ||
38 | unsigned char data; | ||
39 | |||
40 | pcf50606_write(0x2f, 0x80 | (channelnum[channel] << 1) | 1); | ||
41 | data = pcf50606_read(0x30); | ||
42 | |||
43 | adcdata[channel] = data; | ||
44 | |||
45 | return data; | ||
46 | } | ||
47 | |||
48 | unsigned short adc_read(int channel) | ||
49 | { | ||
50 | return adcdata[channel]; | ||
51 | } | ||
52 | |||
53 | static int adc_counter; | ||
54 | |||
55 | static void adc_tick(void) | ||
56 | { | ||
57 | if(++adc_counter == HZ) | ||
58 | { | ||
59 | adc_counter = 0; | ||
60 | adc_scan(ADC_BATTERY); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | void adc_init(void) | ||
65 | { | ||
66 | adc_scan(ADC_BATTERY); | ||
67 | tick_add_task(adc_tick); | ||
68 | } | ||