fix(rmt): deal with spurious RX done interrupts on ESP32

Closes https://github.com/espressif/esp-idf/issues/15948

components/esp_driver_rmt/src/rmt_rx.c

@@ -599,6 +599,16 @@ static bool IRAM_ATTR rmt_isr_handle_rx_done(rmt_rx_channel_t *rx_chan)
     rmt_ll_rx_enable(hal->regs, channel_id, false);
     portEXIT_CRITICAL_ISR(&channel->spinlock);
 
+#if !SOC_RMT_SUPPORT_ASYNC_STOP
+    // This is a workaround for ESP32.
+    // The RX engine can not be disabled once it is enabled in ESP32
+    // If the state isn't RMT_FSM_RUN, it means the RX engine was disabled
+    // and we shouldn't process the data.
+    if (atomic_load(&channel->fsm) != RMT_FSM_RUN) {
+        return false;
+    }
+#endif
+
     uint32_t offset = rmt_ll_rx_get_memory_writer_offset(hal->regs, channel_id);
 
     // Start from C6, the actual pulse count is the number of input pulses N - 1.

components/esp_driver_rmt/src/rmt_tx.c

@@ -828,14 +828,14 @@ static esp_err_t rmt_tx_disable(rmt_channel_handle_t channel)
         // disable the hardware
         portENTER_CRITICAL(&channel->spinlock);
         rmt_ll_tx_enable_loop(hal->regs, channel->channel_id, false);
-#if SOC_RMT_SUPPORT_TX_ASYNC_STOP
+#if SOC_RMT_SUPPORT_ASYNC_STOP
         rmt_ll_tx_stop(hal->regs, channel->channel_id);
 #endif
         portEXIT_CRITICAL(&channel->spinlock);
 
         portENTER_CRITICAL(&group->spinlock);
         rmt_ll_enable_interrupt(hal->regs, RMT_LL_EVENT_TX_MASK(channel_id), false);
-#if !SOC_RMT_SUPPORT_TX_ASYNC_STOP
+#if !SOC_RMT_SUPPORT_ASYNC_STOP
         // we do a trick to stop the undergoing transmission
         // stop interrupt, insert EOF marker to the RMT memory, polling the trans_done event
         channel->hw_mem_base[0].val = 0;