Fix Debug builds

src/avclan/bus.cc

@@ -423,7 +423,7 @@ auto Bus::send(const Frame &out, Frame::Print print) -> Send {
 
 Bus::Handle Bus::get() { return Handle{*this}; };
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) && defined(MEASURE_BUS)
 // Debug bit-timing measurement on the one physical bus; instance-scoped for the
 // same reason as is_active().
 // NOLINTNEXTLINE(readability-convert-member-functions-to-static)

src/avclan/hal/phy.h

@@ -77,7 +77,7 @@ Bit phy_read_bits_u8(uint8_t *bits, uint8_t len);
 Bit phy_read_bits_u16(uint16_t *bits, int8_t len);
 Bit phy_read_byte(uint8_t *byte);
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) && defined(MEASURE_BUS)
 // Sample and dump bus bit timing over the serial link (REPL `M`).
 void phy_measure(void);
 #endif

src/avclan/target/avr-attiny3216/CMakeLists.txt

@@ -77,7 +77,7 @@ set_property(CACHE USART_RXMODE PROPERTY STRINGS
 set(RTC_STATUS_PERIOD_MS 1000 CACHE STRING "Measured ms per nominal RTC status period (1000 = no correction)")
 
 # --- Firmware configuration options ----------------------------------------
-set(AVCLAN_FRAME_POOL_N 32 CACHE STRING "Frame pool depth (pooled targets)")
+set(AVCLAN_FRAME_POOL_N 24 CACHE STRING "Pool allocator capacity for avclan::Frame (must be <= incoming/outgoing queue size)")
 
 try_compile(LIBC_VERSION_TEST
     SOURCES "${CMAKE_SOURCE_DIR}/cmake/libc-version-test.cpp"

src/sniffer.cc

@@ -176,7 +176,9 @@ int main() {
           while (peripheral.device<CDChanger>().media_busy()) {}
           puts("end");
           break;
+  #ifdef MEASURE_BUS
         case 'M': peripheral.get_bus().measure(); break;
+  #endif
 #endif
 
         case 0x10: // Signals binary sequence incoming