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usb-interface rev 2: MDB loopback 

This adds an optional loopback from MDB TX (which sees all slave
communication) back to the STM32 over UART1 or UART3 (with a three-way
selection pin header).

We also update the resistor footprint because the old one's missing from
kicad libraries.

Not yet tested.

by q3k
master
informatic 2021-12-11 15:32:00 +01:00
parent 56df3a536f
commit 2637d00c7f
3 changed files with 10016 additions and 1951 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1445
usb-interface/hardware/bitvend-interface.kicad_pcb
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File diff suppressed because it is too large Load Diff

222
usb-interface/hardware/bitvend-interface.sch
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@ -34,7 +34,7 @@ U 1 1 5EEF5E00
P 1850 950
F 0 "R2" H 1920 996 50 0000 L CNN
F 1 "330" H 1920 905 50 0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1780 950 50 0001 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder" V 1780 950 50 0001 C CNN
F 3 "~" H 1850 950 50 0001 C CNN
1 1850 950
1 0 0 -1
@ -81,7 +81,7 @@ U 1 1 5EEF8B9E
P 1950 2050
F 0 "R3" V 1743 2050 50 0000 C CNN
F 1 "330" V 1834 2050 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1880 2050 50 0001 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder" V 1880 2050 50 0001 C CNN
F 3 "~" H 1950 2050 50 0001 C CNN
1 1950 2050
0 1 1 0
@ -111,82 +111,12 @@ U 1 1 5EEFA474
P 1050 1300
F 0 "R1" V 1257 1300 50 0000 C CNN
F 1 "470" V 1166 1300 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 980 1300 50 0001 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder" V 980 1300 50 0001 C CNN
F 3 "~" H 1050 1300 50 0001 C CNN
1 1050 1300
0 -1 -1 0
$EndComp
$Comp
L YAAJ_STM32:BluePill_1 BP?1
U 1 1 5EEFB3BF
P 4150 1500
F 0 "BP?1" H 4725 1675 50 0000 C CNN
F 1 "BluePill_1" H 4725 1584 50 0000 C CNN
F 2 "Modules:YAAJ_BluePill" H 5400 -450 50 0001 C CNN
F 3 "" H 5400 -450 50 0001 C CNN
1 4150 1500
1 0 0 -1
$EndComp
Text Label 5500 2850 0 50 ~ 0
UART2_TX
Text Label 5500 2750 0 50 ~ 0
UART2_RX
$Comp
L power:GND #PWR0104
U 1 1 5EEFF1CD
P 5500 1550
F 0 "#PWR0104" H 5500 1300 50 0001 C CNN
F 1 "GND" V 5505 1422 50 0000 R CNN
F 2 "" H 5500 1550 50 0001 C CNN
F 3 "" H 5500 1550 50 0001 C CNN
1 5500 1550
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5EEFF592
P 5500 1650
F 0 "#PWR0105" H 5500 1400 50 0001 C CNN
F 1 "GND" V 5505 1522 50 0000 R CNN
F 2 "" H 5500 1650 50 0001 C CNN
F 3 "" H 5500 1650 50 0001 C CNN
1 5500 1650
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR0106
U 1 1 5EEFF9C7
P 5500 1750
F 0 "#PWR0106" H 5500 1600 50 0001 C CNN
F 1 "+3V3" V 5515 1878 50 0000 L CNN
F 2 "" H 5500 1750 50 0001 C CNN
F 3 "" H 5500 1750 50 0001 C CNN
1 5500 1750
0 1 1 0
$EndComp
$Comp
L power:+3V3 #PWR0107
U 1 1 5EEFFFB4
P 3950 3450
F 0 "#PWR0107" H 3950 3300 50 0001 C CNN
F 1 "+3V3" V 3965 3578 50 0000 L CNN
F 2 "" H 3950 3450 50 0001 C CNN
F 3 "" H 3950 3450 50 0001 C CNN
1 3950 3450
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5EF00B58
P 3950 3350
F 0 "#PWR0108" H 3950 3100 50 0001 C CNN
F 1 "GND" V 3955 3222 50 0000 R CNN
F 2 "" H 3950 3350 50 0001 C CNN
F 3 "" H 3950 3350 50 0001 C CNN
1 3950 3350
0 1 1 0
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Top_Bottom J2
U 1 1 5EF0784E
P 1550 3400
@ -306,4 +236,150 @@ Text Label 2850 3750 0 50 ~ 0
MDB_TX
Text Label 2900 1650 0 50 ~ 0
UART2_RX
$Comp
L Isolator:PC817 U3
U 1 1 613408F5
P 1500 2800
F 0 "U3" H 1500 3100 50 0000 C CNN
F 1 "PC817" H 1500 3000 50 0000 C CNN
F 2 "Package_DIP:DIP-4_W7.62mm" H 1300 2600 50 0001 L CIN
F 3 "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf" H 1500 2800 50 0001 L CNN
1 1500 2800
1 0 0 -1
$EndComp
Text Label 1200 2700 2 50 ~ 0
MDB_TX
Text Label 1200 2900 2 50 ~ 0
MDB_GND
$Comp
L power:GND #PWR0114
U 1 1 61344D71
P 1800 2900
F 0 "#PWR0114" H 1800 2650 50 0001 C CNN
F 1 "GND" V 1805 2772 50 0000 R CNN
F 2 "" H 1800 2900 50 0001 C CNN
F 3 "" H 1800 2900 50 0001 C CNN
1 1800 2900
0 -1 -1 0
$EndComp
$Comp
L Device:R R4
U 1 1 613451D7
P 1850 2550
F 0 "R4" H 1920 2596 50 0000 L CNN
F 1 "330" H 1920 2505 50 0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder" V 1780 2550 50 0001 C CNN
F 3 "~" H 1850 2550 50 0001 C CNN
1 1850 2550
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0115
U 1 1 6134813F
P 1850 2400
F 0 "#PWR0115" H 1850 2250 50 0001 C CNN
F 1 "+3V3" H 1865 2573 50 0000 C CNN
F 2 "" H 1850 2400 50 0001 C CNN
F 3 "" H 1850 2400 50 0001 C CNN
1 1850 2400
1 0 0 -1
$EndComp
Wire Wire Line
1800 2700 1850 2700
Wire Wire Line
1850 2700 2000 2700
Connection ~ 1850 2700
Text Label 2000 2700 0 50 ~ 0
UART_LOOPBACK
Text Label 4500 1100 0 50 ~ 0
UART1_RX
Text Label 4500 900 0 50 ~ 0
UART3_RX
$Comp
L Connector:Conn_01x03_Male J5
U 1 1 61358074
P 4300 1000
F 0 "J5" H 4408 1281 50 0000 C CNN
F 1 "Conn_01x03_Male" H 4408 1190 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 4300 1000 50 0001 C CNN
F 3 "~" H 4300 1000 50 0001 C CNN
1 4300 1000
1 0 0 -1
$EndComp
Text Label 4500 1000 0 50 ~ 0
UART_LOOPBACK
Text Label 5500 1950 0 50 ~ 0
UART3_RX
Text Label 3950 2150 2 50 ~ 0
UART1_RX
$Comp
L power:GND #PWR0108
U 1 1 5EF00B58
P 3950 3350
F 0 "#PWR0108" H 3950 3100 50 0001 C CNN
F 1 "GND" V 3955 3222 50 0000 R CNN
F 2 "" H 3950 3350 50 0001 C CNN
F 3 "" H 3950 3350 50 0001 C CNN
1 3950 3350
0 1 1 0
$EndComp
$Comp
L power:+3V3 #PWR0107
U 1 1 5EEFFFB4
P 3950 3450
F 0 "#PWR0107" H 3950 3300 50 0001 C CNN
F 1 "+3V3" V 3965 3578 50 0000 L CNN
F 2 "" H 3950 3450 50 0001 C CNN
F 3 "" H 3950 3450 50 0001 C CNN
1 3950 3450
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR0106
U 1 1 5EEFF9C7
P 5500 1750
F 0 "#PWR0106" H 5500 1600 50 0001 C CNN
F 1 "+3V3" V 5515 1878 50 0000 L CNN
F 2 "" H 5500 1750 50 0001 C CNN
F 3 "" H 5500 1750 50 0001 C CNN
1 5500 1750
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5EEFF592
P 5500 1650
F 0 "#PWR0105" H 5500 1400 50 0001 C CNN
F 1 "GND" V 5505 1522 50 0000 R CNN
F 2 "" H 5500 1650 50 0001 C CNN
F 3 "" H 5500 1650 50 0001 C CNN
1 5500 1650
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5EEFF1CD
P 5500 1550
F 0 "#PWR0104" H 5500 1300 50 0001 C CNN
F 1 "GND" V 5505 1422 50 0000 R CNN
F 2 "" H 5500 1550 50 0001 C CNN
F 3 "" H 5500 1550 50 0001 C CNN
1 5500 1550
0 -1 -1 0
$EndComp
Text Label 5500 2750 0 50 ~ 0
UART2_RX
Text Label 5500 2850 0 50 ~ 0
UART2_TX
$Comp
L YAAJ_STM32:BluePill_1 BP?1
U 1 1 5EEFB3BF
P 4150 1500
F 0 "BP?1" H 4725 1675 50 0000 C CNN
F 1 "BluePill_1" H 4725 1584 50 0000 C CNN
F 2 "Modules:YAAJ_BluePill" H 5400 -450 50 0001 C CNN
F 3 "" H 5400 -450 50 0001 C CNN
1 4150 1500
1 0 0 -1
$EndComp
$EndSCHEMATC

10300
usb-interface/hardware/fp-info-cache
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