esp8266: Allow to easily override programming baudrate.

esp8266/Makefile

@@ -10,6 +10,7 @@ MAKE_FROZEN = ../tools/make-frozen.py
 
 SCRIPTDIR = scripts
 PORT = /dev/ttyACM0
+BAUD = 115200
 CROSS_COMPILE = xtensa-lx106-elf-
 ESP_SDK = $(shell $(CC) -print-sysroot)/usr
 
@@ -111,7 +112,7 @@ $(BUILD)/frozen.c: $(wildcard $(SCRIPTDIR)/*) $(CONFVARS_FILE)
 deploy: $(BUILD)/firmware-combined.bin
 	$(ECHO) "Writing $< to the board"
 	#$(Q)esptool.py --port $(PORT) write_flash 0 $<
-	$(Q)esptool.py --port $(PORT) write_flash 0 $(BUILD)/firmware.elf-0x00000.bin 0x10000 $(BUILD)/firmware.elf-0x10000.bin
+	$(Q)time esptool.py --port $(PORT) --baud $(BAUD) write_flash 0 $(BUILD)/firmware.elf-0x00000.bin 0x10000 $(BUILD)/firmware.elf-0x10000.bin
 
 reset:
 	echo -e "\r\nimport pyb; pyb.hard_reset()\r\n" >$(PORT)