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Change global interrupt disable to timer specific interrupt disable for data protection. Added interrupt disabled around ADC API.

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This commit is contained in:
skarg
2010-10-22 00:11:25 +00:00
parent 2cac9ba528
commit 3b49fb0271
3 changed files with 30 additions and 27 deletions
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bacnet-stack/ports/bdk-atxx4-mstp/adc.c
+6
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@@ -86,7 +86,9 @@ void adc_enable(
{
if (Enabled_Channels) {
/* ADC interupt is already started */
BIT_CLEAR(ADCSRA, ADIE);
BIT_SET(Enabled_Channels, index);
BIT_SET(ADCSRA, ADIE);
} else {
if (index < ADC_CHANNELS_MAX) {
/* not running yet */
@@ -108,7 +110,9 @@ uint8_t adc_result_8bit(
if (index < ADC_CHANNELS_MAX) {
adc_enable(index);
BIT_CLEAR(ADCSRA, ADIE);
result = (uint8_t)(Sample_Result[index]>>2);
BIT_SET(ADCSRA, ADIE);
}
return result;
@@ -121,7 +125,9 @@ uint16_t adc_result_10bit(
if (index < ADC_CHANNELS_MAX) {
adc_enable(index);
BIT_CLEAR(ADCSRA, ADIE);
result = Sample_Result[index];
BIT_SET(ADCSRA, ADIE);
}
return result;