altos: Initial easytimer-v2 bits

[fw/altos] / src / stm32l0 / ao_timer.c

diff --git a/src/stm32l0/ao_timer.c b/src/stm32l0/ao_timer.c
index 3b77afc0d8b397d3b71e873c539c93df0fcf657f..6d447fc96cc3324d0598ec71a21eb809153d3be9 100644 (file)
--- a/src/stm32l0/ao_timer.c
+++ b/src/stm32l0/ao_timer.c
@@ -35,6 +35,7 @@ ao_time(void)
        return ao_tick_count;
 }
 
+#if 0
 uint64_t
 ao_time_ns(void)
 {
@@ -50,6 +51,7 @@ ao_time_ns(void)
        return (uint64_t) after * (1000000000ULL / AO_HERTZ) +
                (uint64_t) cvr * (1000000000ULL / AO_SYSTICK);
 }
+#endif
 
 #if AO_DATA_ALL
 volatile uint8_t       ao_data_interval = 1;
@@ -60,12 +62,9 @@ void stm_systick_isr(void)
 {
        if (stm_systick.csr & (1 << STM_SYSTICK_CSR_COUNTFLAG)) {
                ++ao_tick_count;
-#if HAS_TASK_QUEUE
-               if (ao_task_alarm_tick && (int16_t) (ao_tick_count - ao_task_alarm_tick) >= 0)
-                       ao_task_check_alarm((uint16_t) ao_tick_count);
-#endif
+               ao_task_check_alarm();
 #if AO_DATA_ALL
-               if (++ao_data_count == ao_data_interval) {
+               if (++ao_data_count == ao_data_interval && ao_data_interval) {
                        ao_data_count = 0;
 #if HAS_ADC
 #if HAS_FAKE_FLIGHT
@@ -99,4 +98,10 @@ ao_timer_init(void)
                           (STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 << STM_SYSTICK_CSR_CLKSOURCE));
 }
 
+void
+ao_timer_stop(void)
+{
+       stm_systick.csr = 0;
+}
+
 #endif