Fix and test #19 and #20

For firmware updater scripts, use .hex files in these folders, and open and Flash with https://python.microbit.org/v/beta

v0.0.1 is a P21 light blinking program to emulate unresponsive firmware.

\cyberbot\Dev\firmware\v0.0.1
\cyberbot\Dev\firmware\v1.0.2
\cyberbot\Dev\firmware\v1.0.6

Dev/cyberbot-update-firmware/v0.0.1/cyberbot_board_firmware_corrupted_v_0_0_1.py

@@ -0,0 +1,131 @@
+from microbit import *
+import os
+
+new_firmware_version = 00001
+file_size_bytes = 2444
+filename = "cbbfwdoa.bin"
+
+def check_i2c():
+	try:i2c.read(93,1)
+	except OSError:print("i2c no read");return 0
+	else:
+		pin8.set_pull(pin8.PULL_UP);sleep(10)	
+		i2c.write(93,b'\0c');sleep(10)	
+		while True:
+			try:i2c.read(93,1)
+			except OSError:print("i2c no reply");return 1
+			else:print("i2c ok");return 2
+
+class bot():
+	def __init__(self,p=27,q=33):
+		self.pA=p
+		self.pB=q
+	def botdisable(self):
+		pin8.set_pull(pin8.NO_PULL)
+		sleep(200)
+		reset()
+	def send_c(self,c,s=0,d=None,f=None):
+		a=bytes([1,self.pA,self.pB,s])
+		if d is not None:a+=(round(d)).to_bytes(4,'little')
+		if f is not None:a+=(round(f)).to_bytes(4,'little')
+		try:
+			i2c.write(93,a)
+			i2c.write(93,bytes([0,c]))
+			c=b'\x01'
+			while c!=b'\0':
+				i2c.write(93,b'\0')
+				c=i2c.read(93,1)
+		except:
+			self.botdisable()
+	def read_r(self):
+		try:
+			i2c.write(93,b'\x18')
+			r=i2c.read(93,4)
+			return int.from_bytes(r,'little')
+		except:
+			self.botdisable()
+	def detach(self):
+		while True:
+			bot(25).read_digital()
+
+def version_info(v=0):
+	if v is 0:
+		result = 0
+		for n in range(0, 40):
+			result = check_i2c()
+			print("result = %d" % result)
+			sleep(50)
+			if result == 2:break
+		if result != 2:
+		    print("Set PWR to 1.")
+		    display.show("Set PWR to 1")
+		bot().send_c(98)
+		v = bot().read_r()
+	print("v=%d" % v)
+	p=v%100
+	mi=((v%10000)-p)/100
+	ma=((v%1000000)-mi-p)/10000
+	return ma, mi, p
+
+def version_in_board():
+	ma, mi, p = version_info()
+	print("v:%d.%d.%d" %(ma, mi, p))
+	display.show("v%d.%d.%d" %(ma, mi, p))
+	reset()
+
+def version_of_updater():
+	ma, mi, p = version_info(new_firmware_version)
+	print("v:%d.%d.%d" %(ma, mi, p))
+	display.show("v%d.%d.%d" %(ma, mi, p))
+	reset()
+
+def update_firmware():
+	ee_i2c_addr = 80
+	ee_mem_addr = 0
+	mem_addr = 0
+
+	pin8.write_digital(1)
+	sleep(1)
+
+	f = open(filename, "rb")
+
+	buf = bytearray(128)
+
+	reps = file_size_bytes // 128
+	#print("Please wait, counting to %d..." % reps)
+	reps = reps + 1
+
+	#inc = reps // 25
+	#print("reps=%d, inc=%d" %(reps, inc))
+	n = 0
+
+	for m in range(0, reps):
+		n = reps - m - 1
+		print("%d" % n)
+#		if (m % inc) == 0:
+#			if(n < 25):
+#				display.set_pixel(4-(n%5),4-(n//5),5)
+#				n=n+1
+		f.readinto(buf, 128)
+		ee_mem_addr = mem_addr.to_bytes(2, 'big')
+		packet = ee_mem_addr + buf
+		i2c.write(ee_i2c_addr, packet, False)
+		mem_addr += 128
+		sleep(100)
+
+	partial = file_size_bytes % 128
+	f.readinto(buf, partial)
+	reps = reps - 1
+	mem_addr = reps * 128
+	ee_mem_addr = mem_addr.to_bytes(2, 'big')
+	packet = ee_mem_addr + buf
+	i2c.write(ee_i2c_addr, packet, False)
+
+	f.close()
+
+	sleep(100)
+
+	display.show(" Done.", 600)
+	display.show("Set PWR to 0. Unplug USB. ", 600, loop=True)
+
+	reset()