Merge #19415

19415: cpu/esp32: fix stdio_usb_serial_jtag for ESP32-C3 r=benpicco a=gschorcht ### Contribution description This PR fixes problem with `stdio_usb_serial_jtag` for ESP32-C3. ### Testing procedure Flash any ESP32-C3 board with the USB interface connected USB D+/D- (GPIO19, GPIO18) using the `stdio_usb_serial_jtag` module: ``` USEMODULE=stdio_usb_serial_jtag BOARD=hip-badge make -j8 -C tests/shell flash term ``` ### Issues/PRs references Co-authored-by: Gunar Schorcht <[email protected]>
RIOT-OS · Mar 22, 2023 · 9719bbf · 9719bbf
2 parents 0c27733 + 28a63f3
commit 9719bbf
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/cpu/esp32/stdio_usb_serial_jtag/usb_serial_jtag.c b/cpu/esp32/stdio_usb_serial_jtag/usb_serial_jtag.c
@@ -116,11 +116,16 @@ void stdio_init(void)
     /* clear all interrupt flags */
     usb_serial_jtag_ll_clr_intsts_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
 
-    /* route all UART interrupt sources to same the CPU interrupt */
+    /* route USB Serial/JTAG interrupt source to CPU interrupt */
     intr_matrix_set(PRO_CPU_NUM, ETS_USB_SERIAL_JTAG_INTR_SOURCE, CPU_INUM_SERIAL_JTAG);
 
-    /* we have to enable therefore the CPU interrupt here */
+    /* enable the CPU interrupt */
     intr_cntrl_ll_set_int_handler(CPU_INUM_SERIAL_JTAG, _serial_intr_handler, NULL);
     intr_cntrl_ll_enable_interrupts(BIT(CPU_INUM_SERIAL_JTAG));
+
+#ifdef SOC_CPU_HAS_FLEXIBLE_INTC
+    /* set interrupt level */
+    intr_cntrl_ll_set_int_level(CPU_INUM_SERIAL_JTAG, 1);
+#endif
 }
 /**@}*/