static volatile __data uint16_t ao_tick_count;
-uint16_t ao_time(void)
+uint16_t ao_time(void) __critical
{
- uint16_t ret;
- __critical {
- ret = ao_tick_count;
- }
- return ret;
+ return ao_tick_count;
}
void
#define T1_CLOCK_DIVISOR 8 /* 24e6/8 = 3e6 */
#define T1_SAMPLE_TIME 30000 /* 3e6/30000 = 100 */
-__data uint8_t ao_adc_interval = 1;
-__data uint8_t ao_adc_count;
+volatile __data uint8_t ao_adc_interval = 1;
+volatile __data uint8_t ao_adc_count;
void ao_timer_isr(void) interrupt 9
{
ao_wakeup(DATA_TO_XDATA(&ao_tick_count));
}
+void
+ao_timer_set_adc_interval(uint8_t interval) __critical
+{
+ ao_adc_interval = interval;
+}
+
void
ao_timer_init(void)
{
/* set the sample rate */
T1CC0H = T1_SAMPLE_TIME >> 8;
- T1CC0L = T1_SAMPLE_TIME;
+ T1CC0L = (uint8_t) T1_SAMPLE_TIME;
T1CCTL0 = T1CCTL_MODE_COMPARE;
T1CCTL1 = 0;