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-rw-r--r--src/cc1111/ao_adc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cc1111/ao_adc.c b/src/cc1111/ao_adc.c
index 97a39c4d..15429677 100644
--- a/src/cc1111/ao_adc.c
+++ b/src/cc1111/ao_adc.c
@@ -19,6 +19,9 @@
volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING];
volatile __data uint8_t ao_data_head;
+#if (AO_DATA_ALL & ~(AO_DATA_ADC))
+volatile __data uint8_t ao_data_present;
+#endif
#ifdef TELENANO_V_0_1
# define AO_ADC_FIRST_PIN 1