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-rw-r--r--os/hal/src/adc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/src/adc.c b/os/hal/src/adc.c
index 956c7837f..b70c46e1c 100644
--- a/os/hal/src/adc.c
+++ b/os/hal/src/adc.c
@@ -271,7 +271,7 @@ msg_t adcConvert(ADCDriver *adcp,
msg_t msg;
chSysLock();
- chDbgAssert(grpp->end_cb == NULL, "adcConvert(), #1", "has callback");
+ chDbgAssert(adcp->thread == NULL, "adcConvert(), #1", "already waiting");
adcStartConversionI(adcp, grpp, samples, depth);
(adcp)->thread = chThdSelf();
chSchGoSleepS(THD_STATE_SUSPENDED);