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| author | Linus Nielsen Feltzing <linus@haxx.se> | 2004-11-18 23:23:47 +0000 |
|---|---|---|
| committer | Linus Nielsen Feltzing <linus@haxx.se> | 2004-11-18 23:23:47 +0000 |
| commit | 003247e066f667bd829739eed138940c45a0569f (patch) | |
| tree | 0c73fb08ce06367d8c127b2b69d1b050035ab449 | |
| parent | 0decb0099eb5d87431f943f929b098cac1435ea5 (diff) | |
| download | rockbox-003247e066f667bd829739eed138940c45a0569f.tar.gz rockbox-003247e066f667bd829739eed138940c45a0569f.zip | |
Added iRiver ADC tick task
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5431 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/drivers/adc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/firmware/drivers/adc.c b/firmware/drivers/adc.c index 4b11c7dbab..46890badd4 100644 --- a/firmware/drivers/adc.c +++ b/firmware/drivers/adc.c | |||
| @@ -179,6 +179,17 @@ unsigned short adc_read(int channel) | |||
| 179 | return adcdata[channel]; | 179 | return adcdata[channel]; |
| 180 | } | 180 | } |
| 181 | 181 | ||
| 182 | static int adc_counter; | ||
| 183 | |||
| 184 | static void adc_tick(void) | ||
| 185 | { | ||
| 186 | if(++adc_counter == HZ) | ||
| 187 | { | ||
| 188 | adc_counter = 0; | ||
| 189 | adcdata[ADC_BATTERY] = adc_scan(ADC_BATTERY); | ||
| 190 | } | ||
| 191 | } | ||
| 192 | |||
| 182 | void adc_init(void) | 193 | void adc_init(void) |
| 183 | { | 194 | { |
| 184 | GPIO_FUNCTION |= 0x80600080; /* GPIO7: CS | 195 | GPIO_FUNCTION |= 0x80600080; /* GPIO7: CS |
| @@ -188,6 +199,10 @@ void adc_init(void) | |||
| 188 | GPIO_ENABLE |= 0x00600080; | 199 | GPIO_ENABLE |= 0x00600080; |
| 189 | GPIO_OUT |= 0x80; /* CS high */ | 200 | GPIO_OUT |= 0x80; /* CS high */ |
| 190 | GPIO_OUT &= ~0x00400000; /* CLK low */ | 201 | GPIO_OUT &= ~0x00400000; /* CLK low */ |
| 202 | |||
| 203 | tick_add_task(adc_tick); | ||
| 204 | |||
| 205 | adcdata[3] = adc_scan(3); | ||
| 191 | } | 206 | } |
| 192 | 207 | ||
| 193 | #endif | 208 | #endif |