got LEDs working, ribbon trail program initially implemented

- fixed soft I2C master set hi/lo routines
- fixed bug in matrix_send not setting all LEDs from map
- fix AWU interrupt not firing; requires EXTI line to be configured too even if unused
- fixed wrong dividers used in system clock set function

firmware/hsc26_art2.wvproj

@@ -259,7 +259,7 @@
 				},
 				"createFlash": {
 					"enabled": true,
-					"outputFileFormat": "ihex",
+					"outputFileFormat": "ihexAndbinary",
 					"copy_only_section_text": false,
 					"copy_only_section_data": false,
 					"copy_only_sections": [],
@@ -313,8 +313,8 @@
 	"flashConfig": {
 		"mcutype": "CH32X035",
 		"address": "0x08000000",
-		"target_path": "obj/hsc26_art2.hex",
-		"clkSpeed": "High",
+		"target_path": "obj\\hsc26_art2.hex",
+		"clkSpeed": "Middle",
 		"debug_interface_mode": "1-wire serial",
 		"erase": true,
 		"program": true,