[stm32] Allow using hardware buffers only in FDCAN driver

modm-io · Sep 17, 2024 · 0716187 · 0716187
1 parent e491a79
commit 0716187
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/src/modm/platform/can/stm32-fdcan/can.cpp.in b/src/modm/platform/can/stm32-fdcan/can.cpp.in
@@ -470,11 +470,9 @@ modm::platform::Fdcan{{ id }}::getMessage(can::Message& message, uint8_t *filter
 %% else
 	if (rxFifo0HasMessage()) {
 		readMsg(message, 0, filter_id, timestamp);
-		releaseRxFifo0Message();
 		return true;
 	} else if (rxFifo1HasMessage()) {
 		readMsg(message, 1, filter_id, timestamp);
-		releaseRxFifo1Message();
 		return true;
 	}
 	return false;

diff --git a/src/modm/platform/can/stm32-fdcan/module.lb b/src/modm/platform/can/stm32-fdcan/module.lb
@@ -22,13 +22,13 @@ def load_options(module, options):
         NumericOption(
             name="buffer.tx",
             description="",
-            minimum=1, maximum="64Ki-2",
+            minimum=0, maximum="64Ki-2",
             default=32))
     module.add_option(
         NumericOption(
             name="buffer.rx",
             description="",
-            minimum=1, maximum="64Ki-2",
+            minimum=0, maximum="64Ki-2",
             default=32))
 
     supports_configurable_message_ram = options[":target"].identifier.family == "h7"