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H300: Slight simplification of adc_scan(), ported from X5.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11384 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2006-10-29 13:49:43 +00:00
parent 85c9a05c56
commit 9aa5be6c4c
1 changed files with 7 additions and 7 deletions
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14
firmware/drivers/adc.c
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@ -112,20 +112,20 @@ void adc_init(void)
static unsigned char adcdata[NUM_ADC_CHANNELS];
#ifdef IRIVER_H300_SERIES
static int channelnum[] =
static int adcc2_parms[] =
{
5, /* ADC_BUTTONS (ADCIN2) */
6, /* ADC_REMOTE (ADCIN3) */
0, /* ADC_BATTERY (BATVOLT, resistive divider) */
2, /* ADC_REMOTEDETECT (ADCIN1, resistive divider) */
[ADC_BUTTONS] = 0x80 | (5 << 1) | 1, /* ADCIN2 */
[ADC_REMOTE] = 0x80 | (6 << 1) | 1, /* ADCIN3 */
[ADC_BATTERY] = 0x80 | (0 << 1) | 1, /* BATVOLT, resistive divider */
[ADC_REMOTEDETECT] = 0x80 | (2 << 1) | 1, /* ADCIN1, resistive divider */
};
unsigned short adc_scan(int channel)
{
int level = set_irq_level(HIGHEST_IRQ_LEVEL);
unsigned char data;
pcf50606_write(0x2f, 0x80 | (channelnum[channel] << 1) | 1);
pcf50606_write(0x2f, adcc2_parms[channel]);
data = pcf50606_read(0x30);
adcdata[channel] = data;