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PostalBlabPostalBlab
committed
First commit of stuff
1 parent 16f65f6 commit d3f3a7f

15 files changed

+387
-0
lines changed

‎GPIO_connection/PORTA

+16
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0 - Jumper 3
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1 - RGB touch red
3+
2 - RGB touch green
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3 - RGB touch blue
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4 - NTC
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5 - NTC
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6 - Jumper 20
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7 - Touch button
9+
8 - RGB LED Bottom blue
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9 - RGB LED Bottom red
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10 - RGB LED Bottom green
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11 - NFC IRQ?
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12 - enable RC522, goes to DVDD
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13 - SWD SWDIO
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14 - SWD SWCL
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15 - NFC NSS

‎GPIO_connection/PORTB

+16
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0 - ADC?!
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1 - ADC?!
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2 - 74HC DS
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3 - NFC SCK
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4 - NFC MOSI
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5 - NFC MISO
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6 - Jumper 2
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7 -
9+
8 - Jumper 15
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9 - Speaker
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10 - 74HC XY
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11 - 74HC XY
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12 - EHS6 SPI NSS
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13 - EHS6 SPI SCK
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14 - EHS6 SPI MISO
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15 - EHS6 SPI MOSI

‎GPIO_connection/PORTC

+16
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1+
0 - ADC - maybe for 24V line
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1 - ADC
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2 - air filter present switch
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3 - unkown digital sensor
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4 - unkown digital sensor, jumper 9
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5 - coffee filter present switch
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6 - Jumper 15
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7 - EHS6 XY
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8 - EHS6 XY
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9 - NRSTP RC522
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10 - Jumper 20
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11 - Jumper 17
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12 -
14+
13 - roasting chamber present switch
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14 - EHS6 “R79”
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15 - EHS6 “R97”

‎GPIO_connection/PORTD

+4
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1+
0 - unkown digital sensor, Jumper 10
2+
1 - unkown digital sensor, Jumper 8
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2 - Turn heater on/off
4+

‎TIMX

+2
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1+
TIM3 Heater
2+
TIM6 ist der beeper

‎flash_layout

+19
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1+
0800 000
2+
3+
4+
0800 |
5+
0800 |
6+
0800 |
7+
0800 |
8+
0800 |
9+
0800 9904 | EXTI
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0800 9a20 | misc.c
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0800 9afa | ADC
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0800 9f48 | DMA
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0800 a19c | FLASH
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0800 a758 | GPIO
15+
0800 aaaa | RCC
16+
0800 ae74 | SPI
17+
0800 b180 | TIM
18+
0800 b9e0 | ???
19+
0800 c5df | THE END

‎images/exposed_swd.jpg

579 KB
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‎images/main_pcb_back.jpg

341 KB
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‎images/main_pcb_front.jpg

367 KB
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‎images/power_controll_pcb.jpg

5.07 MB
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‎memory_layout

+26
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1+
0801 FF00 roasts since last reset
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0801 FF01 total roasts
3+
4+
2000 0000 loop flag
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2000 0001 loop flag, detect touch and check sensors
6+
2000 0002 loop flag, check NFC data
7+
2000 0003 loop flag, giant state machine
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9+
2000 000C könnte error flag sein, wird gesetzt wenn OTP auf 0xFF steht etc.
10+
11+
2000 0059 machine state? is set in EHS6_comm if the state package is send
12+
13+
2000 0040 brews since last reset
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2000 0044 total brews
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16+
2000 0087
17+
2000 0088
18+
2000 0089
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2000 008a
20+
21+
2000 00ae lower part temp top
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2000 00af upper part temp bottom
23+
24+
2000 034c prescaler für timer 1virt
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2000 05a0-200005ac
26+

‎server/.vscode/settings.json

+5
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{
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"cSpell.words": [
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"bvmessage"
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]
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}

‎server/bvmessage.py

+33
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2+
import struct
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import binascii
4+
from bvpackages import *
5+
6+
def calcCRC(data):
7+
crc8 = 0
8+
#calculate only the crc8 without the "OTP" register
9+
new_data = data[0:12] + data[16:60]
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for single_byte in new_data:
11+
crc8 ^= single_byte
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for i in range(0,8):
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if (crc8 & 0x80) != 0:
14+
crc8 = crc8 << 1 ^ 0x7
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else:
16+
crc8 = crc8 << 1
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18+
return crc8 & 0xff
19+
20+
def get_full_nfc_tag_package(nfc_tag):
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#add prefix and suffix
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package = bytearray(build_package(SEND_NFC_TAG_PREFIX + bytearray(nfc_tag).hex().upper().encode() + SEND_NFC_TAG_SUFFIX))
23+
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#calculate new crc and add it to the array
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new_crc = calcCRC(nfc_tag)
26+
package[len(SEND_NFC_TAG_PREFIX) + 61 * 2] = (55 if (new_crc >> 4) > 9 else 48) + (new_crc >> 4)
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package[len(SEND_NFC_TAG_PREFIX) + 61 * 2 + 1] = (55 if (new_crc >> 4) > 9 else 48) + (new_crc & 0xf)
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return package
29+
30+
def build_package(message):
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msg = struct.pack(">H", len(message))
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msg += message
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return msg

‎server/bvpackages.py

+121
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SEND_NFC_TAG_PREFIX = b"\x00\x50\x20\x00\x0A\x00\x12\x21\x01"
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SEND_NFC_TAG_SUFFIX = b"\x00"
3+
4+
DEBUG_NFC_TAG = b"\x04\xD5\xFF\xA6" \
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b"\x1A\xC9\x55\x80" \
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b"\x06\x48\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\xAA\x96\x64\x4B" \
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b"\x05\xAA\x96\x41" \
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b"\x32\x78\xAA\xB5" \
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b"\x5F\x50\x05\xAA" \
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b"\xB6\x41\x46\x96" \
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b"\x37\x6E\x5A\x2D" \
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b"\x23\x01\x0F\x00" \
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b"\x06\x01\xAB\x13" \
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b"\x00\x00\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\x7E\x00\x00\x00"
20+
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GRIND_AND_BREW_NFC_TAG = b"\x04\xF7\xA3\xD8" \
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b"\xC2\xA7\x50\x80" \
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b"\xB5\x48\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\xAA\xA0\x64\x4B" \
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b"\x05\xAA\xA0\x41" \
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b"\x46\x55\xAA\xB2" \
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b"\x5F\x50\x05\xAA" \
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b"\xB2\x41\x46\x87" \
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b"\x37\x5A\x5A\x2D" \
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b"\x23\x05\x0F\x00" \
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b"\x06\x01\x32\x0C" \
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b"\x00\x01\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\xFC\x00\x00\x00"
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38+
ROAST_ONLY_NFC_TAG = b"\x04\xE2\xEB\x85" \
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b"\xC2\xA7\x50\x80" \
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b"\xB5\x48\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\xAA\xA0\x64\x4B" \
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b"\x05\xAA\xA0\x41" \
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b"\x46\x58\xAA\xB2" \
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b"\x5F\x50\x05\xAA" \
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b"\xB2\x41\x46\x8C" \
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b"\x37\x6E\x5A\x2D" \
48+
b"\x23\x02\x0F\x00" \
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b"\x06\x01\x89\x12" \
50+
b"\x00\x01\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\x8E\x00\x00\x00"
54+
55+
COFFEE_CHANGER_BADGE_NFC_TAG = b"\x04\xD5\xFF\xA6" \
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b"\x1A\xC9\x55\x80" \
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b"\x06\x48\x00\x00" \
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b"\x00\x00\x00\x00" \
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b"\xAA\x96\x64\x4B" \
60+
b"\x05\xAA\x96\x41" \
61+
b"\x32\x78\xAA\xA2" \
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b"\x5F\x50\x05\xAA" \
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b"\xB6\x41\x46\x96" \
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b"\x37\x6E\x5A\x2D" \
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b"\x23\x01\x0F\x00" \
66+
b"\x06\x01\xAB\x13" \
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b"\x00\x00\x00\x00" \
68+
b"\x00\x00\x00\x00" \
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b"\x00\x00\x00\x00" \
70+
b"\x7E\x00\x00\x00"
71+
72+
AIRFILTER_MULTI_USE_NFC_TAG = b"\x04\x71\x32\xCF" \
73+
b"\x4A\xCF\x59\x80" \
74+
b"\x5C\x48\x00\x00" \
75+
b"\x00\x00\x00\x00" \
76+
b"\xAA\x96\x64\x4B" \
77+
b"\x05\xAA\x96\x41" \
78+
b"\x32\x78\xAA\xAC" \
79+
b"\x5F\x50\x05\xAA" \
80+
b"\xB8\x41\x46\x96" \
81+
b"\x37\x6E\x5A\x2D" \
82+
b"\x23\x0F\x0F\x00" \
83+
b"\x06\x01\x84\x6E" \
84+
b"\x00\x00\x00\x00" \
85+
b"\x00\x00\x00\x00" \
86+
b"\x00\x00\x00\x00" \
87+
b"\x05\x00\x00\x00"
88+
89+
ADVENTURE_14_SLOW_NFC_TAG = b"\x04\x7F\xFB\x08" \
90+
b"\xC2\xA7\x50\x80" \
91+
b"\xB5\x48\x00\x00" \
92+
b"\x00\x00\x00\x00" \
93+
b"\xAA\xB8\x4B\x4B" \
94+
b"\x00\xAA\xB8\x32" \
95+
b"\x46\x5A\xAA\xB6" \
96+
b"\x4B\x5A\x00\xAA" \
97+
b"\xB6\x32\x46\x64" \
98+
b"\x3C\x46\x5A\x2D" \
99+
b"\x32\x01\x2D\x00" \
100+
b"\x05\x01\x2C\x6E" \
101+
b"\x02\x58\x00\x00" \
102+
b"\x00\x00\x00\x00" \
103+
b"\x00\x00\x00\x00" \
104+
b"\xA1\x00\x00\x00"
105+
106+
ADVENTURE_4_QUICKIE_NFC_TAG = b"\x04\x46\x19\xD3" \
107+
b"\xC2\xA7\x50\x85" \
108+
b"\xB0\x48\x00\x00" \
109+
b"\x00\x00\x00\x00" \
110+
b"\xAA\xB4\x4B\x4B" \
111+
b"\x00\xAA\xB4\x32" \
112+
b"\x46\x4B\xAA\xAE" \
113+
b"\x4B\x5A\x00\xAA" \
114+
b"\xAE\x32\x46\x5A" \
115+
b"\x3C\x6E\x5A\x14" \
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b"\x14\x05\x2D\x00" \
117+
b"\x05\x01\x94\x01" \
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b"\x00\x00\x00\x00" \
119+
b"\x00\x00\x00\x00" \
120+
b"\x00\x00\x00\x00" \
121+
b"\x8B\x00\x00\x00"

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