Merge pull request cnlohr#816 from biemster/usb-bulk-echo

USBFS/HS bulk echo demo

Author: cnlohr

examples_usb/USBFS/usbfs_bulk_echo/Makefile

@@ -0,0 +1,13 @@
+all : flash
+
+TARGET:=usbfs_bulk_echo
+TARGET_MCU:=CH585
+TARGET_MCU_PACKAGE:=CH585M
+
+include ../../../ch32fun/ch32fun.mk
+
+bootloader :
+	./$(TARGET).py -b
+
+flash : bootloader cv_flash
+clean : cv_clean

examples_usb/USBFS/usbfs_bulk_echo/funconfig.h

@@ -0,0 +1,13 @@
+#ifndef _FUNCONFIG_H
+#define _FUNCONFIG_H
+
+#define FUNCONF_USE_HSI           0
+#define FUNCONF_USE_HSE           1
+#define CLK_SOURCE_CH5XX          CLK_SOURCE_HSE_PLL_62_4MHz
+#define FUNCONF_SYSTEM_CORE_CLOCK 624 * 100 * 1000     // keep in line with CLK_SOURCE_CH5XX
+
+#define FUNCONF_DEBUG_HARDFAULT   0
+#define FUNCONF_USE_CLK_SEC       0
+#define FUNCONF_USE_DEBUGPRINTF   0
+
+#endif

examples_usb/USBFS/usbfs_bulk_echo/testtop.bulk/Makefile

@@ -0,0 +1,13 @@
+all : testtop
+
+# to make CI happy.
+testtop.bulk.elf : testtop.c
+	gcc -o $@ $^ -I../../../minichlink -ludev -lusb-1.0
+
+testtop : testtop.c
+	gcc -o $@ $^ -I../../../minichlink -ludev -lusb-1.0
+
+
+clean :
+	rm -rf *.o *~ testtop
+