fix bug with receiving a lot of data from USB

F0-nolib/Readme.md

@@ -12,4 +12,4 @@ This directory contains examples for F0 without any library
 - uart_blink - code for STM32F030F4, echo data on USART1 and blink LEDS on PA4 and PA5
 - uart_nucleo - USART over DMA for STM32F042-nucleo
 - usbcdc - CDC for STM32F042 (emulation of PL2303) with working CAN bus
-- ch340 - another CDC (emulation of ch340)
+- pl2303 - CDC template (emulation of PL2303)

F0-nolib/canbus/kicad/rescue-backup/stm32-2018-10-23-16-51-39.pro

@@ -0,0 +1,67 @@
+update=Чт 11 янв 2018 23:12:54
+version=1
+last_client=kicad
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[general]
+version=1
+[eeschema]
+version=1
+LibDir=/home/eddy/kicad/Kicad-Libraries/library
+[eeschema/libraries]
+LibName1=stm32-rescue
+LibName2=power
+LibName3=device
+LibName4=transistors
+LibName5=conn
+LibName6=linear
+LibName7=regul
+LibName8=74xx
+LibName9=cmos4000
+LibName10=adc-dac
+LibName11=memory
+LibName12=xilinx
+LibName13=microcontrollers
+LibName14=dsp
+LibName15=microchip
+LibName16=analog_switches
+LibName17=motorola
+LibName18=texas
+LibName19=intel
+LibName20=audio
+LibName21=interface
+LibName22=digital-audio
+LibName23=philips
+LibName24=display
+LibName25=cypress
+LibName26=siliconi
+LibName27=opto
+LibName28=atmel
+LibName29=contrib
+LibName30=valves
+LibName31=stm32
+LibName32=vreg
+LibName33=elements
+LibName34=ESD_Protection
+LibName35=switches
+LibName36=acs712

F0-nolib/canbus/kicad/rescue-backup/stm32-cache-2018-10-23-16-51-39.lib

@@ -0,0 +1,764 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# +3V3
+#
+DEF +3V3 #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+3V3" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS +3.3V
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +3V3 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# +5V
+#
+DEF +5V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+5V" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +5V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# C
+#
+DEF C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "C" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$ENDFPLIST
+DRAW
+P 2 0 1 20 -80 -30 80 -30 N
+P 2 0 1 20 -80 30 80 30 N
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# CONN_01X01
+#
+DEF CONN_01X01 J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "CONN_01X01" 100 0 50 V V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Pin_Header_Straight_1X*
+ Pin_Header_Angled_1X*
+ Socket_Strip_Straight_1X*
+ Socket_Strip_Angled_1X*
+$ENDFPLIST
+DRAW
+S -50 5 10 -5 0 1 0 N
+S -50 50 50 -50 0 1 0 N
+X P1 1 -200 0 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# CONN_01X03
+#
+DEF CONN_01X03 J 0 40 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "CONN_01X03" 100 0 50 V V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Pin_Header_Straight_1X*
+ Pin_Header_Angled_1X*
+ Socket_Strip_Straight_1X*
+ Socket_Strip_Angled_1X*
+$ENDFPLIST
+DRAW
+S -50 -95 10 -105 0 1 0 N
+S -50 5 10 -5 0 1 0 N
+S -50 105 10 95 0 1 0 N
+S -50 150 50 -150 0 1 0 N
+X P1 1 -200 100 150 R 50 50 1 1 P
+X P2 2 -200 0 150 R 50 50 1 1 P
+X P3 3 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# CONN_02X03
+#
+DEF CONN_02X03 J 0 1 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "CONN_02X03" 0 -200 50 H V C CNN
+F2 "" 0 -1200 50 H I C CNN
+F3 "" 0 -1200 50 H I C CNN
+$FPLIST
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
+ IDC_Header_Straight_*
+$ENDFPLIST
+DRAW
+S -100 -95 -50 -105 0 1 0 N
+S -100 5 -50 -5 0 1 0 N
+S -100 105 -50 95 0 1 0 N
+S -100 150 100 -150 0 1 0 N
+S 50 -95 100 -105 0 1 0 N
+S 50 5 100 -5 0 1 0 N
+S 50 105 100 95 0 1 0 N
+X P1 1 -250 100 150 R 50 50 1 1 P
+X P2 2 250 100 150 L 50 50 1 1 P
+X P3 3 -250 0 150 R 50 50 1 1 P
+X P4 4 250 0 150 L 50 50 1 1 P
+X P5 5 -250 -100 150 R 50 50 1 1 P
+X P6 6 250 -100 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# CP
+#
+DEF CP C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "CP" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ CP_*
+$ENDFPLIST
+DRAW
+S -90 20 -90 40 0 1 0 N
+S -90 20 90 20 0 1 0 N
+S 90 -20 -90 -40 0 1 0 F
+S 90 40 -90 40 0 1 0 N
+S 90 40 90 20 0 1 0 N
+P 2 0 1 0 -70 90 -30 90 N
+P 2 0 1 0 -50 110 -50 70 N
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Conn_01x01
+#
+DEF Conn_01x01 J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Conn_01x01" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_??x*mm*
+ Connector*:*1x??x*mm*
+ Pin?Header?Straight?1X*
+ Pin?Header?Angled?1X*
+ Socket?Strip?Straight?1X*
+ Socket?Strip?Angled?1X*
+$ENDFPLIST
+DRAW
+S -50 5 0 -5 1 1 6 N
+S -50 50 50 -50 1 1 10 f
+X Pin_1 1 -200 0 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Conn_01x02
+#
+DEF Conn_01x02 J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Conn_01x02" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_??x*mm*
+ Connector*:*1x??x*mm*
+ Pin?Header?Straight?1X*
+ Pin?Header?Angled?1X*
+ Socket?Strip?Straight?1X*
+ Socket?Strip?Angled?1X*
+$ENDFPLIST
+DRAW
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 50 50 -150 1 1 10 f
+X Pin_1 1 -200 0 150 R 50 50 1 1 P
+X Pin_2 2 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Conn_01x07
+#
+DEF Conn_01x07 J 0 40 Y N 1 F N
+F0 "J" 0 400 50 H V C CNN
+F1 "Conn_01x07" 0 -400 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_??x*mm*
+ Connector*:*1x??x*mm*
+ Pin?Header?Straight?1X*
+ Pin?Header?Angled?1X*
+ Socket?Strip?Straight?1X*
+ Socket?Strip?Angled?1X*
+$ENDFPLIST
+DRAW
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 350 50 -350 1 1 10 f
+X Pin_1 1 -200 300 150 R 50 50 1 1 P
+X Pin_2 2 -200 200 150 R 50 50 1 1 P
+X Pin_3 3 -200 100 150 R 50 50 1 1 P
+X Pin_4 4 -200 0 150 R 50 50 1 1 P
+X Pin_5 5 -200 -100 150 R 50 50 1 1 P
+X Pin_6 6 -200 -200 150 R 50 50 1 1 P
+X Pin_7 7 -200 -300 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# DB9_Female
+#
+DEF DB9_Female J 0 40 Y N 1 F N
+F0 "J" 0 550 50 H V C CNN
+F1 "DB9_Female" 0 -575 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ DB*F*
+$ENDFPLIST
+DRAW
+C -70 -400 30 0 1 0 N
+C -70 -200 30 0 1 0 N
+C -70 0 30 0 1 0 N
+C -70 200 30 0 1 0 N
+C -70 400 30 0 1 0 N
+C 50 -300 30 0 1 0 N
+C 50 -100 30 0 1 0 N
+C 50 100 30 0 1 0 N
+C 50 300 30 0 1 0 N
+P 2 0 1 0 -150 -400 -100 -400 N
+P 2 0 1 0 -150 -300 20 -300 N
+P 2 0 1 0 -150 -200 -100 -200 N
+P 2 0 1 0 -150 -100 20 -100 N
+P 2 0 1 0 -150 0 -100 0 N
+P 2 0 1 0 -150 100 20 100 N
+P 2 0 1 0 -150 200 -100 200 N
+P 2 0 1 0 -150 300 20 300 N
+P 2 0 1 0 -150 400 -100 400 N
+P 5 0 1 10 -150 525 -150 -525 150 -375 150 375 -150 525 f
+X 1 1 -300 400 150 R 50 50 1 1 P
+X 2 2 -300 200 150 R 50 50 1 1 P
+X 3 3 -300 0 150 R 50 50 1 1 P
+X 4 4 -300 -200 150 R 50 50 1 1 P
+X 5 5 -300 -400 150 R 50 50 1 1 P
+X 6 6 -300 300 150 R 50 50 1 1 P
+X 7 7 -300 100 150 R 50 50 1 1 P
+X 8 8 -300 -100 150 R 50 50 1 1 P
+X 9 9 -300 -300 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# DB9_Male
+#
+DEF DB9_Male J 0 40 Y N 1 F N
+F0 "J" 0 550 50 H V C CNN
+F1 "DB9_Male" 0 -575 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ DB*M*
+$ENDFPLIST
+DRAW
+C -70 -400 30 0 1 0 F
+C -70 -200 30 0 1 0 F
+C -70 0 30 0 1 0 F
+C -70 200 30 0 1 0 F
+C -70 400 30 0 1 0 F
+C 50 -300 30 0 1 0 F
+C 50 -100 30 0 1 0 F
+C 50 100 30 0 1 0 F
+C 50 300 30 0 1 0 F
+P 2 0 1 0 -150 -400 -100 -400 N
+P 2 0 1 0 -150 -300 20 -300 N
+P 2 0 1 0 -150 -200 -100 -200 N
+P 2 0 1 0 -150 -100 20 -100 N
+P 2 0 1 0 -150 0 -100 0 N
+P 2 0 1 0 -150 100 20 100 N
+P 2 0 1 0 -150 200 -100 200 N
+P 2 0 1 0 -150 300 20 300 N
+P 2 0 1 0 -150 400 -100 400 N
+P 5 0 1 10 -150 -525 -150 525 150 375 150 -375 -150 -525 f
+X 1 1 -300 -400 150 R 50 50 1 1 P
+X 2 2 -300 -200 150 R 50 50 1 1 P
+X 3 3 -300 0 150 R 50 50 1 1 P
+X 4 4 -300 200 150 R 50 50 1 1 P
+X 5 5 -300 400 150 R 50 50 1 1 P
+X 6 6 -300 -300 150 R 50 50 1 1 P
+X 7 7 -300 -100 150 R 50 50 1 1 P
+X 8 8 -300 100 150 R 50 50 1 1 P
+X 9 9 -300 300 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# D_Schottky
+#
+DEF D_Schottky D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "D_Schottky" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ TO-???*
+ *SingleDiode
+ *_Diode_*
+ *SingleDiode*
+ D_*
+$ENDFPLIST
+DRAW
+P 2 0 1 0 50 0 -50 0 N
+P 4 0 1 8 50 50 50 -50 -50 0 50 50 N
+P 6 0 1 8 -75 25 -75 50 -50 50 -50 -50 -25 -50 -25 -25 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# D_Zener
+#
+DEF D_Zener D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "D_Zener" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ TO-???*
+ *SingleDiode
+ *_Diode_*
+ *SingleDiode*
+ D_*
+$ENDFPLIST
+DRAW
+P 2 0 1 0 50 0 -50 0 N
+P 3 0 1 8 -50 -50 -50 50 -30 50 N
+P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# Jumper_NO_Small
+#
+DEF Jumper_NO_Small JP 0 30 N N 1 F N
+F0 "JP" 0 80 50 H V C CNN
+F1 "Jumper_NO_Small" 10 -60 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C -40 0 20 0 1 0 N
+C 40 0 20 0 1 0 N
+X 1 1 -100 0 40 R 50 50 0 1 P
+X 2 2 100 0 40 L 50 50 0 1 P
+ENDDRAW
+ENDDEF
+#
+# LED-RESCUE-stm32
+#
+DEF LED-RESCUE-stm32 D 0 40 Y N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "LED-RESCUE-stm32" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ LED*
+$ENDFPLIST
+DRAW
+P 2 0 1 8 -50 -50 -50 50 N
+P 2 0 1 0 -50 0 50 0 N
+P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
+P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N
+P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# LM1117-3.3-RESCUE-stm32
+#
+DEF LM1117-3.3-RESCUE-stm32 U 0 30 Y Y 1 F N
+F0 "U" 100 -250 50 H V C CNN
+F1 "LM1117-3.3-RESCUE-stm32" 0 250 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SOT-223*
+ TO-263*
+ TO-252*
+$ENDFPLIST
+DRAW
+S -200 -200 200 200 0 1 10 f
+X GND/ADJ 1 0 -300 100 U 50 50 1 1 W
+X VO 2 300 50 100 L 50 50 1 1 P
+X VI 3 -300 0 100 R 50 50 1 1 W
+X VO 4 300 -50 100 L 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# MCP2551-I/SN
+#
+DEF MCP2551-I/SN U 0 40 Y Y 1 F N
+F0 "U" -400 350 50 H V L CNN
+F1 "MCP2551-I/SN" 100 350 50 H V L CNN
+F2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" 0 -500 50 H I C CIN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SOIC*Pitch1.27mm*
+$ENDFPLIST
+DRAW
+S -400 300 400 -300 0 1 10 f
+X TXD 1 -500 200 100 R 50 50 1 1 I
+X VSS 2 0 -400 100 U 50 50 1 1 W
+X VDD 3 0 400 100 D 50 50 1 1 W
+X RXD 4 -500 100 100 R 50 50 1 1 O
+X Vref 5 -500 -100 100 R 50 50 1 1 w
+X CANL 6 500 -100 100 L 50 50 1 1 B
+X CANH 7 500 100 100 L 50 50 1 1 B
+X Rs 8 -500 -200 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# PESD1CAN
+#
+DEF PESD1CAN D 0 30 Y N 1 F N
+F0 "D" 0 -350 50 H V C CNN
+F1 "PESD1CAN" 50 150 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ SOT23
+$ENDFPLIST
+DRAW
+S -200 100 300 -300 0 1 0 N
+P 2 0 1 0 -140 -200 150 -200 N
+P 2 0 1 0 -140 0 150 0 N
+P 3 0 1 8 -150 -150 -150 -250 -150 -250 N
+P 3 0 1 8 -150 50 -150 -50 -150 -50 N
+P 3 0 1 8 150 -150 150 -250 150 -250 N
+P 3 0 1 8 150 50 150 -50 150 -50 N
+P 4 0 1 8 -150 -150 -170 -150 -170 -160 -170 -160 N
+P 4 0 1 8 -150 50 -170 50 -170 40 -170 40 N
+P 4 0 1 8 150 -250 170 -250 170 -240 170 -240 N
+P 4 0 1 8 150 -150 130 -150 130 -160 130 -160 N
+P 4 0 1 8 150 -50 170 -50 170 -40 170 -40 N
+P 4 0 1 0 150 0 250 0 250 -200 150 -200 N
+P 4 0 1 8 150 50 130 50 130 40 130 40 N
+P 5 0 1 8 -130 -240 -130 -250 -150 -250 -150 -250 -150 -250 N
+P 5 0 1 8 -130 -40 -130 -50 -150 -50 -150 -50 -150 -50 N
+P 6 0 1 8 -50 -250 -150 -200 -50 -150 -50 -250 -50 -250 -50 -250 N
+P 6 0 1 8 -50 -50 -150 0 -50 50 -50 -50 -50 -50 -50 -50 N
+P 6 0 1 8 50 -150 150 -200 50 -250 50 -150 50 -150 50 -150 N
+P 6 0 1 8 50 50 150 0 50 -50 50 50 50 50 50 50 N
+X K 1 -300 0 150 R 50 50 0 1 P
+X K 2 -300 -200 150 R 50 50 0 1 P
+X O 3 400 -100 150 L 50 50 0 1 P
+ENDDRAW
+ENDDEF
+#
+# PWR_FLAG
+#
+DEF PWR_FLAG #FLG 0 0 N N 1 F P
+F0 "#FLG" 0 75 50 H I C CNN
+F1 "PWR_FLAG" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+X pwr 1 0 0 0 U 50 50 0 0 w
+P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
+ENDDRAW
+ENDDEF
+#
+# Q_NMOS_GSD
+#
+DEF Q_NMOS_GSD Q 0 0 Y N 1 F N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Q_NMOS_GSD" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 65 0 111 0 1 10 N
+C 100 -70 11 0 1 0 F
+C 100 70 11 0 1 0 F
+P 2 0 1 0 2 0 10 0 N
+P 2 0 1 0 30 -70 100 -70 N
+P 2 0 1 10 30 -50 30 -90 N
+P 2 0 1 0 30 0 100 0 N
+P 2 0 1 10 30 20 30 -20 N
+P 2 0 1 0 30 70 100 70 N
+P 2 0 1 10 30 90 30 50 N
+P 2 0 1 0 100 -70 100 -100 N
+P 2 0 1 0 100 -70 100 0 N
+P 2 0 1 0 100 100 100 70 N
+P 3 0 1 10 10 75 10 -75 10 -75 N
+P 4 0 1 0 40 0 80 15 80 -15 40 0 F
+P 4 0 1 0 100 -70 130 -70 130 70 100 70 N
+P 4 0 1 0 110 20 115 15 145 15 150 10 N
+P 4 0 1 0 130 15 115 -10 145 -10 130 15 N
+X G 1 -200 0 200 R 50 50 1 1 I
+X S 2 100 -200 100 U 50 50 1 1 P
+X D 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Q_PMOS_GSD
+#
+DEF Q_PMOS_GSD Q 0 0 Y N 1 F N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Q_PMOS_GSD" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 65 0 111 0 1 10 N
+C 100 -70 11 0 1 0 F
+C 100 70 11 0 1 0 F
+P 2 0 1 0 2 0 10 0 N
+P 2 0 1 0 30 -70 100 -70 N
+P 2 0 1 10 30 -50 30 -90 N
+P 2 0 1 0 30 0 100 0 N
+P 2 0 1 10 30 20 30 -20 N
+P 2 0 1 0 30 70 100 70 N
+P 2 0 1 10 30 90 30 50 N
+P 2 0 1 0 100 -70 100 -100 N
+P 2 0 1 0 100 -70 100 0 N
+P 2 0 1 0 100 100 100 70 N
+P 3 0 1 10 10 75 10 -75 10 -75 N
+P 4 0 1 0 90 0 50 -15 50 15 90 0 F
+P 4 0 1 0 100 -70 130 -70 130 70 100 70 N
+P 4 0 1 0 110 -20 115 -15 145 -15 150 -10 N
+P 4 0 1 0 130 -15 115 10 145 10 130 -15 N
+X G 1 -200 0 200 R 50 50 1 1 I
+X S 2 100 -200 100 U 50 50 1 1 P
+X D 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# R
+#
+DEF R R 0 0 N Y 1 F N
+F0 "R" 80 0 50 V V C CNN
+F1 "R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+ R_*
+$ENDFPLIST
+DRAW
+S -40 -100 40 100 0 1 10 N
+X ~ 1 0 150 50 D 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# SP0502BAHT
+#
+DEF SP0502BAHT D 0 40 Y N 1 F N
+F0 "D" 225 100 50 H V L CNN
+F1 "SP0502BAHT" 225 25 50 H V L CNN
+F2 "TO_SOT_Packages_SMD:SOT-23" 225 -50 50 H I L CNN
+F3 "" 125 125 50 H I C CNN
+$FPLIST
+ SOT?23*
+$ENDFPLIST
+DRAW
+X A 3 0 -200 100 U 50 50 0 0 I
+S -175 100 175 -100 0 1 10 f
+P 2 0 1 0 -100 100 -100 50 N
+P 2 0 1 0 0 -50 0 -100 N
+P 2 0 1 0 100 100 100 50 N
+P 4 0 1 0 -150 75 -125 50 -75 50 -50 25 N
+P 4 0 1 0 -100 0 -100 -50 100 -50 100 0 N
+P 4 0 1 0 -100 50 -75 0 -125 0 -100 50 F
+P 4 0 1 0 50 75 75 50 125 50 150 25 N
+P 4 0 1 0 100 50 75 0 125 0 100 50 F
+X K 1 -100 200 100 D 50 50 1 1 I
+X K 2 100 200 100 D 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# STM32F042C4Tx
+#
+DEF STM32F042C4Tx U 0 40 Y Y 1 L N
+F0 "U" -3000 1725 50 H V L BNN
+F1 "STM32F042C4Tx" 3000 1725 50 H V R BNN
+F2 "LQFP48" 3000 1675 50 H V R TNN
+F3 "" 0 0 50 H V C CNN
+ALIAS STM32F042C6Tx
+DRAW
+S -3000 -1700 3000 1700 0 1 10 f
+X VBAT 1 -3100 1100 100 R 50 50 1 1 W
+X PC13/RTC_OUT_ALARM/RTC_OUT_CALIB/RTC_TAMP1/RTC_TS/SYS_WKUP2 2 -3100 500 100 R 50 50 1 1 B
+X PC14/RCC_OSC32_IN 3 -3100 400 100 R 50 50 1 1 B
+X PC15/RCC_OSC32_OUT 4 -3100 300 100 R 50 50 1 1 B
+X PF0/CRS_SYNC/I2C1_SDA/RCC_OSC_IN 5 -3100 900 100 R 50 50 1 1 I
+X PF1/I2C1_SCL/RCC_OSC_OUT 6 -3100 800 100 R 50 50 1 1 I
+X NRST 7 -3100 1300 100 R 50 50 1 1 I
+X VSSA 8 100 -1800 100 U 50 50 1 1 W
+X VDDA 9 0 1800 100 D 50 50 1 1 W
+X ADC_IN0/RTC_TAMP2/SYS_WKUP1/TIM2_CH1/TIM2_ETR/TSC_G1_IO1/USART2_CTS/PA0 10 3100 100 100 L 50 50 1 1 B
+X PB2/TSC_G3_IO4 20 -3100 -100 100 R 50 50 1 1 B
+X I2C1_SCL/TIM1_CH2/TSC_G4_IO1/USART1_TX/PA9 30 3100 -800 100 L 50 50 1 1 B
+X PB4/I2S1_MCK/SPI1_MISO/TIM17_BKIN/TIM3_CH1/TSC_G5_IO2 40 -3100 -300 100 R 50 50 1 1 B
+X ADC_IN1/TIM2_CH2/TSC_G1_IO2/USART2_DE/USART2_RTS/PA1 11 3100 0 100 L 50 50 1 1 B
+X PB10/CEC/I2C1_SCL/SPI2_SCK/TIM2_CH3/TSC_SYNC 21 -3100 -900 100 R 50 50 1 1 B
+X I2C1_SDA/TIM17_BKIN/TIM1_CH3/TSC_G4_IO2/USART1_RX/PA10 31 3100 -900 100 L 50 50 1 1 B
+X PB5/I2C1_SMBA/I2S1_SD/SPI1_MOSI/SYS_WKUP6/TIM16_BKIN/TIM3_CH2 41 -3100 -400 100 R 50 50 1 1 B
+X ADC_IN2/SYS_WKUP4/TIM2_CH3/TSC_G1_IO3/USART2_TX/PA2 12 3100 -100 100 L 50 50 1 1 B
+X PB11/I2C1_SDA/TIM2_CH4 22 -3100 -1000 100 R 50 50 1 1 B
+X CAN_RX/I2C1_SCL/TIM1_CH4/TSC_G4_IO3/USART1_CTS/USB_DM/PA11 32 3100 -1000 100 L 50 50 1 1 B
+X PB6/I2C1_SCL/TIM16_CH1N/TSC_G5_IO3/USART1_TX 42 -3100 -500 100 R 50 50 1 1 B
+X ADC_IN3/TIM2_CH4/TSC_G1_IO4/USART2_RX/PA3 13 3100 -200 100 L 50 50 1 1 B
+X VSS 23 -200 -1800 100 U 50 50 1 1 W
+X CAN_TX/I2C1_SDA/TIM1_ETR/TSC_G4_IO4/USART1_DE/USART1_RTS/USB_DP/PA12 33 3100 -1100 100 L 50 50 1 1 B
+X PB7/I2C1_SDA/TIM17_CH1N/TSC_G5_IO4/USART1_RX 43 -3100 -600 100 R 50 50 1 1 B
+X ADC_IN4/I2S1_WS/SPI1_NSS/TIM14_CH1/TSC_G2_IO1/USART2_CK/USB_OE/PA4 14 3100 -300 100 L 50 50 1 1 B
+X VDD 24 -200 1800 100 D 50 50 1 1 W
+X IR_OUT/SYS_SWDIO/USB_OE/PA13 34 3100 -1200 100 L 50 50 1 1 B
+X PF11 44 -3100 700 100 R 50 50 1 1 B
+X ADC_IN5/CEC/I2S1_CK/SPI1_SCK/TIM2_CH1/TIM2_ETR/TSC_G2_IO2/PA5 15 3100 -400 100 L 50 50 1 1 B
+X PB12/SPI2_NSS/TIM1_BKIN 25 -3100 -1100 100 R 50 50 1 1 B
+X VSS 35 -100 -1800 100 U 50 50 1 1 W
+X PB8/CAN_RX/CEC/I2C1_SCL/TIM16_CH1/TSC_SYNC 45 -3100 -700 100 R 50 50 1 1 B
+X ADC_IN6/I2S1_MCK/SPI1_MISO/TIM16_CH1/TIM1_BKIN/TIM3_CH1/TSC_G2_IO3/PA6 16 3100 -500 100 L 50 50 1 1 B
+X PB13/I2C1_SCL/SPI2_SCK/TIM1_CH1N 26 -3100 -1200 100 R 50 50 1 1 B
+X VDDIO2 36 100 1800 100 D 50 50 1 1 W
+X PB9/CAN_TX/I2C1_SDA/IR_OUT/SPI2_NSS/TIM17_CH1 46 -3100 -800 100 R 50 50 1 1 B
+X ADC_IN7/I2S1_SD/SPI1_MOSI/TIM14_CH1/TIM17_CH1/TIM1_CH1N/TIM3_CH2/TSC_G2_IO4/PA7 17 3100 -600 100 L 50 50 1 1 B
+X PB14/I2C1_SDA/SPI2_MISO/TIM1_CH2N 27 -3100 -1300 100 R 50 50 1 1 B
+X SYS_SWCLK/USART2_TX/PA14 37 3100 -1300 100 L 50 50 1 1 B
+X VSS 47 0 -1800 100 U 50 50 1 1 W
+X PB0/ADC_IN8/TIM1_CH2N/TIM3_CH3/TSC_G3_IO2 18 -3100 100 100 R 50 50 1 1 B
+X PB15/RTC_REFIN/SPI2_MOSI/SYS_WKUP7/TIM1_CH3N 28 -3100 -1400 100 R 50 50 1 1 B
+X I2S1_WS/SPI1_NSS/TIM2_CH1/TIM2_ETR/USART2_RX/USB_OE/PA15 38 3100 -1400 100 L 50 50 1 1 B
+X VDD 48 -100 1800 100 D 50 50 1 1 W
+X PB1/ADC_IN9/TIM14_CH1/TIM1_CH3N/TIM3_CH4/TSC_G3_IO3 19 -3100 0 100 R 50 50 1 1 B
+X CRS_SYNC/RCC_MCO/TIM1_CH1/USART1_CK/PA8 29 3100 -700 100 L 50 50 1 1 B
+X PB3/I2S1_CK/SPI1_SCK/TIM2_CH2/TSC_G5_IO1 39 -3100 -200 100 R 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# SW_Push
+#
+DEF SW_Push SW 0 40 N N 1 F N
+F0 "SW" 50 100 50 H V L CNN
+F1 "SW_Push" 0 -60 50 H V C CNN
+F2 "" 0 200 50 H I C CNN
+F3 "" 0 200 50 H I C CNN
+DRAW
+C -80 0 20 0 1 0 N
+C 80 0 20 0 1 0 N
+P 2 0 1 0 0 50 0 120 N
+P 2 0 1 0 100 50 -100 50 N
+X 1 1 -200 0 100 R 50 50 0 1 P
+X 2 2 200 0 100 L 50 50 0 1 P
+ENDDRAW
+ENDDEF
+#
+# USB6B1
+#
+DEF USB6B1 D 0 30 Y N 1 F N
+F0 "D" 0 -450 50 H V C CNN
+F1 "USB6B1" 0 400 50 H V C CNN
+F2 "" 200 -100 50 V V C CNN
+F3 "" 200 -100 50 V V C CNN
+$FPLIST
+ SO8
+$ENDFPLIST
+DRAW
+C -150 -300 7 0 1 0 N
+C -150 100 7 0 1 0 N
+C -150 300 7 0 1 0 N
+C 0 -300 7 0 1 0 N
+C 0 -100 7 0 1 0 N
+C 0 300 7 0 1 0 N
+C 200 -300 7 0 1 0 N
+C 200 300 7 0 1 0 N
+S -300 -100 300 -100 0 1 0 N
+S -300 300 300 300 0 1 0 N
+S -200 -150 -100 -150 0 1 0 N
+S -200 250 -100 250 0 1 0 N
+S -150 300 -150 -300 0 1 0 N
+S -50 -150 50 -150 0 1 0 N
+S -50 250 50 250 0 1 0 N
+S 0 300 0 -300 0 1 0 N
+S 200 300 200 -300 0 1 0 N
+S 300 -300 -300 -300 0 1 0 N
+S 300 100 -300 100 0 1 0 N
+P 3 0 1 8 150 50 250 50 250 50 N
+P 4 0 1 8 150 50 150 30 160 30 160 30 N
+P 4 0 1 8 250 50 250 70 240 70 240 70 N
+P 5 0 1 0 -250 350 300 350 300 -350 -250 -350 -250 350 N
+P 6 0 1 8 -200 -250 -150 -150 -100 -250 -200 -250 -200 -250 -200 -250 N
+P 6 0 1 8 -200 150 -150 250 -100 150 -200 150 -200 150 -200 150 N
+P 6 0 1 8 -50 -250 0 -150 50 -250 -50 -250 -50 -250 -50 -250 N
+P 6 0 1 8 -50 150 0 250 50 150 -50 150 -50 150 -50 150 N
+P 6 0 1 8 150 -50 200 50 250 -50 150 -50 150 -50 150 -50 N
+X VCC 1 -500 300 200 R 50 50 1 1 P
+X I/O1 2 -500 100 200 R 50 50 1 1 P
+X I/O2 3 -500 -100 200 R 50 50 1 1 P
+X GND 4 -500 -300 200 R 50 50 1 1 P
+X GND 5 500 -300 200 L 50 50 1 1 P
+X I/O2 6 500 -100 200 L 50 50 1 1 P
+X I/O1 7 500 100 200 L 50 50 1 1 P
+X VCC 8 500 300 200 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# USB_A-RESCUE-stm32
+#
+DEF USB_A-RESCUE-stm32 P 0 40 Y Y 1 F N
+F0 "P" 200 -200 50 H V C CNN
+F1 "USB_A-RESCUE-stm32" -50 200 50 H V C CNN
+F2 "" -50 -100 50 V V C CNN
+F3 "" -50 -100 50 V V C CNN
+$FPLIST
+ USB*
+$ENDFPLIST
+DRAW
+S -250 -150 150 150 0 1 0 N
+S -205 -150 -195 -120 0 1 0 N
+S -105 -150 -95 -120 0 1 0 N
+S -5 -150 5 -120 0 1 0 N
+S 95 -150 105 -120 0 1 0 N
+X VBUS 1 -200 -300 150 U 50 50 1 1 W
+X D- 2 -100 -300 150 U 50 50 1 1 P
+X D+ 3 0 -300 150 U 50 50 1 1 P
+X GND 4 100 -300 150 U 50 50 1 1 W
+X shield 5 300 100 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library

F0-nolib/canbus/kicad/rescue-backup/stm32-rescue-2018-10-23-16-51-39.lib

@@ -0,0 +1,45 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# LM1117-3.3-RESCUE-stm32
+#
+DEF LM1117-3.3-RESCUE-stm32 U 0 30 Y Y 1 F N
+F0 "U" 100 -250 50 H V C CNN
+F1 "LM1117-3.3-RESCUE-stm32" 0 250 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SOT-223*
+ TO-263*
+ TO-252*
+$ENDFPLIST
+DRAW
+S -200 -200 200 200 0 1 10 f
+X GND/ADJ 1 0 -300 100 U 50 50 1 1 W
+X VO 2 300 50 100 L 50 50 1 1 P
+X VI 3 -300 0 100 R 50 50 1 1 W
+X VO 4 300 -50 100 L 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# MAX471-RESCUE-stm32
+#
+DEF MAX471-RESCUE-stm32 U 0 40 Y Y 1 F N
+F0 "U" -300 350 50 H V L CNN
+F1 "MAX471-RESCUE-stm32" -300 -350 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+S -300 300 300 -300 0 1 10 f
+X SHDN 1 -400 -100 100 R 50 50 1 1 I
+X RS+ 2 -400 200 100 R 50 50 1 1 W
+X RS+ 3 -400 100 100 R 50 50 1 1 P
+X GND 4 -400 -200 100 R 50 50 1 1 W
+X SIGN 5 400 -100 100 L 50 50 1 1 C
+X RS- 6 400 200 100 L 50 50 1 1 w
+X RS- 7 400 100 100 L 50 50 1 1 P
+X OUT 8 400 -200 100 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library

F0-nolib/canbus/kicad/sym-lib-table

@@ -0,0 +1,8 @@
+(sym_lib_table
+  (lib (name stm32-rescue)(type Legacy)(uri ${KIPRJMOD}/stm32-rescue.lib)(options "")(descr ""))
+  (lib (name stm32)(type Legacy)(uri /home/eddy/kicad/Kicad-Libraries/library/stm32.lib)(options "")(descr ""))
+  (lib (name vreg)(type Legacy)(uri /home/eddy/kicad/Kicad-Libraries/library/vreg.lib)(options "")(descr ""))
+  (lib (name elements)(type Legacy)(uri ${KIPRJMOD}/elements.lib)(options "")(descr ""))
+  (lib (name switches)(type Legacy)(uri /home/eddy/kicad/Kicad-Libraries/library/switches.lib)(options "")(descr ""))
+  (lib (name acs712)(type Legacy)(uri ${KIPRJMOD}/acs712.lib)(options "")(descr ""))
+)

F0-nolib/ch340/Readme.md

@@ -1,5 +0,0 @@
-Simple code for USB development board, emulates ch340
-
-
-
-USB: https://github.com/majbthrd/CDCHIDwidget/blob/master/src/main.c

F0-nolib/ch340/ch340.sublime-project

@@ -1,8 +0,0 @@
-{
-	"folders":
-	[
-		{
-			"path": "."
-		}
-	]
-}

F0-nolib/ch340/lsusb_log

@@ -1,69 +0,0 @@
-
-Bus 002 Device 005: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
-Device Descriptor:
-  bLength                18
-  bDescriptorType         1
-  bcdUSB               1.10
-  bDeviceClass          255 Vendor Specific Class
-  bDeviceSubClass         0 
-  bDeviceProtocol         0 
-  bMaxPacketSize0         8
-  idVendor           0x1a86 QinHeng Electronics
-  idProduct          0x7523 HL-340 USB-Serial adapter
-  bcdDevice            2.54
-  iManufacturer           0 
-  iProduct                2 USB2.0-Serial
-  iSerial                 0 
-  bNumConfigurations      1
-  Configuration Descriptor:
-    bLength                 9
-    bDescriptorType         2
-    wTotalLength           39
-    bNumInterfaces          1
-    bConfigurationValue     1
-    iConfiguration          0 
-    bmAttributes         0x80
-      (Bus Powered)
-    MaxPower               96mA
-    Interface Descriptor:
-      bLength                 9
-      bDescriptorType         4
-      bInterfaceNumber        0
-      bAlternateSetting       0
-      bNumEndpoints           3
-      bInterfaceClass       255 Vendor Specific Class
-      bInterfaceSubClass      1 
-      bInterfaceProtocol      2 
-      iInterface              0 
-      Endpoint Descriptor:
-        bLength                 7
-        bDescriptorType         5
-        bEndpointAddress     0x82  EP 2 IN
-        bmAttributes            2
-          Transfer Type            Bulk
-          Synch Type               None
-          Usage Type               Data
-        wMaxPacketSize     0x0020  1x 32 bytes
-        bInterval               0
-      Endpoint Descriptor:
-        bLength                 7
-        bDescriptorType         5
-        bEndpointAddress     0x02  EP 2 OUT
-        bmAttributes            2
-          Transfer Type            Bulk
-          Synch Type               None
-          Usage Type               Data
-        wMaxPacketSize     0x0020  1x 32 bytes
-        bInterval               0
-      Endpoint Descriptor:
-        bLength                 7
-        bDescriptorType         5
-        bEndpointAddress     0x81  EP 1 IN
-        bmAttributes            3
-          Transfer Type            Interrupt
-          Synch Type               None
-          Usage Type               Data
-        wMaxPacketSize     0x0008  1x 8 bytes
-        bInterval               1
-Device Status:     0x0000
-  (Bus Powered)

F0-nolib/pl2303/Makefile

@@ -1,4 +1,4 @@
-BINARY		= ch340emul
+BINARY		= pl2303
 BOOTPORT	?= /dev/ttyUSB0
 BOOTSPEED	?= 57600
 # MCU FAMILY

F0-nolib/pl2303/Readme.md

@@ -0,0 +1 @@
+Simple CDC for USB development board, emulates PL2303

F0-nolib/pl2303/main.c

@@ -18,7 +18,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301, USA.
  */
-
 #include "hardware.h"
 #include "usart.h"
 #include "usb.h"
@@ -54,19 +53,32 @@ void iwdg_setup(){
     IWDG->KR = IWDG_REFRESH; /* (6) */
 }
 
+void linecoding_handler(usb_LineCoding *lc){
+    SEND("got new linecoding:");
+    SEND(" baudrate="); printu(lc->dwDTERate);
+    SEND(", charFormat="); printu(lc->bCharFormat);
+    SEND(", parityType="); printu(lc->bParityType);
+    SEND(", dataBits="); printu(lc->bDataBits);
+    usart_putchar('\n');
+}
+
+void clstate_handler(uint16_t val){
+    SEND("change control line state to ");
+    printu(val);
+    usart_putchar('\n');
+}
+
 int main(void){
     uint32_t lastT = 0;
     int L;
     char *txt;
+    char tmpbuf[129];
     sysreset();
     SysTick_Config(6000, 1);
     gpio_setup();
     usart_setup();
-    //iwdg_setup();
     
-    SEND("Greetings! My address is ");
+    SEND("Hello!\n");
-    printuhex(getBRDaddr());
-    newline(); 
 
     if(RCC->CSR & RCC_CSR_IWDGRSTF){ // watchdog reset occured
         SEND("WDGRESET=1\n");
@@ -77,6 +89,7 @@ int main(void){
     RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
 
     USB_setup();
+    //iwdg_setup();
 
     while (1){
         IWDG->KR = IWDG_REFRESH; // refresh watchdog
@@ -84,18 +97,32 @@ int main(void){
             LED_blink(LED0);
             lastT = Tms;
             transmit_tbuf(); // non-blocking transmission of data from UART buffer every 0.5s
+            /*uint8_t r = 0;
+            if((r = USB_receive(tmpbuf, 128))){
+                tmpbuf[r] = 0;
+                SEND("Received data over USB:\n");
+                SEND(tmpbuf);
+                newline();
+            }*/
         }
         usb_proc();
+        uint8_t r = 0;
+        if((r = USB_receive(tmpbuf, 128))){
+            tmpbuf[r] = 0;
+            SEND("Received data over USB:\n");
+            SEND(tmpbuf);
+            newline();
+        }
         if(usartrx()){ // usart1 received data, store in in buffer
             L = usart_getline(&txt);
             char _1st = txt[0];
             if(L == 2 && txt[1] == '\n'){
                 L = 0;
                 switch(_1st){
-                    case 'A':
+                    case 'C':
-                        SEND("Board address: ");
+                        SEND("USB ");
-                        printuhex(getBRDaddr());
+                        if(!USB_configured()) SEND("dis");
-                        newline();
+                        SEND("connected\n");
                     break;
                     case 'R':
                         SEND("Soft reset\n");
@@ -110,7 +137,7 @@ int main(void){
                     break;
                     default: // help
                         SEND(
-                        "'A' - get CAN address\n"
+                        "'C' - test is USB configured\n"
                         "'R' - software reset\n"
                         "'U' - send test string over USB\n"
                         "'W' - test watchdog\n"

F0-nolib/pl2303/usart.c

@@ -89,6 +89,13 @@ void usart_send(const char *str){
     }
 }
 
+void usart_sendn(const char *str, uint8_t L){
+    for(uint8_t i = 0; i < L; ++i){
+        if(odatalen[tbufno] == UARTBUFSZO) transmit_tbuf();
+        tbuf[tbufno][odatalen[tbufno]++] = *str++;
+    }
+}
+
 void newline(){
     usart_putchar('\n');
     transmit_tbuf();
@@ -223,15 +230,21 @@ void printu(uint32_t val){
 // print 32bit unsigned int as hex
 void printuhex(uint32_t val){
     usart_send("0x");
-    uint8_t *ptr = (uint8_t*)&val + 3;
+    uint8_t *ptr = (uint8_t*)&val + 3, start = 1;
     int i, j;
     for(i = 0; i < 4; ++i, --ptr){
+        if(!*ptr && start) continue;
         for(j = 1; j > -1; --j){
+            start = 0;
             register uint8_t half = (*ptr >> (4*j)) & 0x0f;
             if(half < 10) usart_putchar(half + '0');
             else usart_putchar(half - 10 + 'a');
         }
     }
+    if(start){
+        usart_putchar('0');
+        usart_putchar('0');
+    }
 }
 
 // dump memory buffer

F0-nolib/pl2303/usart.h

@@ -50,6 +50,7 @@ void transmit_tbuf();
 void usart_setup();
 int usart_getline(char **line);
 void usart_send(const char *str);
+void usart_sendn(const char *str, uint8_t L);
 void newline();
 void usart_putchar(const char ch);
 void printu(uint32_t val);

F0-nolib/pl2303/usb.c

@@ -24,20 +24,23 @@
 #include "usb.h"
 #include "usb_lib.h"
 #include "usart.h"
+#include <string.h> // memcpy, memmove
 
-
+// incoming buffer size
-
+#define IDATASZ     (256)
-static uint8_t buffer[BUFFSIZE+1];
+static uint8_t incoming_data[IDATASZ];
-static uint8_t len, rcvflag = 0;
+static uint8_t ovfl = 0;
+static uint16_t idatalen = 0;
+static int8_t usbON = 0; // ==1 when USB fully configured
 
 // interrupt IN handler (never used?)
 static uint16_t EP1_Handler(ep_t ep){
+    uint8_t ep0buf[11];
     if (ep.rx_flag){
-        EP_Read(1, buffer);
+        EP_Read(1, ep0buf);
         ep.status = SET_VALID_TX(ep.status);
         ep.status = KEEP_STAT_RX(ep.status);
-    } else
+    }else if (ep.tx_flag){
-    if (ep.tx_flag){
         ep.status = SET_VALID_RX(ep.status);
         ep.status = SET_STALL_TX(ep.status);
     }
@@ -46,16 +49,31 @@ static uint16_t EP1_Handler(ep_t ep){
 
 // data IN/OUT handler
 static uint16_t EP2_Handler(ep_t ep){
+    MSG("EP2\n");
     if(ep.rx_flag){
-        if(ep.rx_cnt > 0 && ep.rx_cnt < BUFFSIZE){
+        int rd = ep.rx_cnt, rest = IDATASZ - idatalen;
-            rcvflag = 1;
+        if(rd){
-            len = EP_Read(2, buffer);
+            if(rd <= rest){
-            buffer[len] = 0;
+                idatalen += EP_Read(2, &incoming_data[idatalen]);
-            #ifdef EBUG
+                ovfl = 0;
-            MSG("read: ");
+            }else{
-            if(len) SEND((char*)buffer);
+                ep.status = SET_NAK_RX(ep.status);
-            #endif
+                ovfl = 1;
+                return ep.status;
+            }
         }
+#ifdef EBUG
+        SEND("receive ");
+        printu(ep.rx_cnt);
+        SEND(" bytes, idatalen=");
+        printu(idatalen);
+        SEND(" , rest=");
+        printu(rest);
+        incoming_data[idatalen] = 0;
+        SEND(" , the buffer now:\n");
+        SEND((char*)incoming_data);
+        usart_putchar('\n');
+#endif
         // end of transaction: clear DTOGs
         ep.status = CLEAR_DTOG_RX(ep.status);
         ep.status = CLEAR_DTOG_TX(ep.status);
@@ -80,16 +98,15 @@ void USB_setup(){
     CRS->CR |= CRS_CR_CEN; // enable freq counter & block CRS->CFGR as read-only
     RCC->CFGR |= RCC_CFGR_SW;
     // allow RESET and CTRM interrupts
-    USB->CNTR = USB_CNTR_RESETM | USB_CNTR_CTRM;
+    USB -> CNTR = USB_CNTR_RESETM | USB_CNTR_CTRM;
     // clear flags
-    USB->ISTR = 0;
+    USB -> ISTR = 0;
     // and activate pullup
-    USB->BCDR |= USB_BCDR_DPPU;
+    USB -> BCDR |= USB_BCDR_DPPU;
     NVIC_EnableIRQ(USB_IRQn);
 }
 
 void usb_proc(){
-    static int8_t usbON = 0;
     if(USB_GetState() == USB_CONFIGURE_STATE){ // USB configured - activate other endpoints
         if(!usbON){ // endpoints not activated
             MSG("Configured; activate other endpoints\n");
@@ -97,23 +114,11 @@ void usb_proc(){
             // Buffer have 1024 bytes, but last 256 we use for CAN bus
             // first free is 64; 768 - CAN data
             // free: 64   128   192   256   320   384   448   512   576   640   704
-            // (first 192 free bytes are for EP0)
+            // (first 64 are control registers, up to 192 - buffer for EP0)
             EP_Init(1, EP_TYPE_INTERRUPT, 192, 192, EP1_Handler);
-            EP_Init(2, EP_TYPE_BULK, 256, 320, EP2_Handler); // IN/OUT
+            EP_Init(2, EP_TYPE_BULK, 256, 256, EP2_Handler); // OUT - receive data
+            EP_Init(3, EP_TYPE_BULK, 320, 320, EP2_Handler); // IN - transmit data
             usbON = 1;
-        }else{
-            if(rcvflag){
-                /*
-                 * don't process received data here: if it would come too fast you will loose a part
-                 * It would be a good idea to collect incoming data in greater buffer and process it
-                 * later (EX: echo "text" > /dev/ttyUSB1 will split into two writings!
-                 */
-                rcvflag = 0;
-            }
-            if(SETLINECODING()){
-                SEND("got new linecoding");
-                CLRLINECODING();
-            }
         }
     }else{
         usbON = 0;
@@ -126,3 +131,37 @@ void USB_send(char *buf){
     while(*p++) ++l;
     EP_Write(3, (uint8_t*)buf, l);
 }
+
+/**
+ * @brief USB_receive
+ * @param buf (i) - buffer for received data
+ * @param bufsize - its size
+ * @return amount of received bytes
+ */
+int USB_receive(char *buf, int bufsize){
+    if(!bufsize || !idatalen) return 0;
+    USB->CNTR = 0;
+    int sz = (idatalen > bufsize) ? bufsize : idatalen, rest = idatalen - sz;
+    memcpy(buf, incoming_data, sz);
+    if(rest > 0){
+        memmove(incoming_data, &incoming_data[sz], rest);
+        idatalen = rest;
+    }else idatalen = 0;
+    if(ovfl){
+        EP2_Handler(endpoints[2]);
+        uint16_t epstatus = USB->EPnR[2];
+        epstatus = CLEAR_DTOG_RX(epstatus);
+        epstatus = SET_VALID_RX(epstatus);
+        USB->EPnR[2] = epstatus;
+    }
+    USB->CNTR = USB_CNTR_RESETM | USB_CNTR_CTRM;
+    return sz;
+}
+
+/**
+ * @brief USB_configured
+ * @return 1 if USB is in configured state
+ */
+int USB_configured(){
+    return usbON;
+}

F0-nolib/pl2303/usb.h

@@ -31,5 +31,7 @@
 void USB_setup();
 void usb_proc();
 void USB_send(char *buf);
+int USB_receive(char *buf, int bufsize);
+int USB_configured();
 
 #endif // __USB_H__

F0-nolib/pl2303/usb_lib.c

@@ -36,7 +36,6 @@ static usb_LineCoding lineCoding = {115200, 0, 0, 8};
 static config_pack_t setup_packet;
 static uint8_t ep0databuf[EP0DATABUF_SIZE];
 static uint8_t ep0dbuflen = 0;
-uint8_t setlinecoding = 0;
 
 usb_LineCoding getLineCoding(){return lineCoding;}
 
@@ -45,18 +44,18 @@ const uint8_t USB_DeviceDescriptor[] = {
         0x01,   // bDescriptorType - USB_DEVICE_DESC_TYPE
         0x10,   // bcdUSB_L - 1.10
         0x01,   // bcdUSB_H
-        0xff,   // bDeviceClass - Vendor Specific Class
+        0x00,   // bDeviceClass - USB_COMM
         0x00,   // bDeviceSubClass
         0x00,   // bDeviceProtocol
-        0x08,   // bMaxPacketSize
+        0x40,   // bMaxPacketSize
-        0x86,   // idVendor_L ch340: VID=0x1a86, PID=0x7523
+        0x7b,   // idVendor_L PL2303: VID=0x067b, PID=0x2303
-        0x1a,   // idVendor_H
+        0x06,   // idVendor_H
-        0x23,   // idProduct_L
+        0x03,   // idProduct_L
-        0x75,   // idProduct_H
+        0x23,   // idProduct_H
-        0x36,   // bcdDevice_Ver_L
+        0x00,   // bcdDevice_Ver_L
-        0x02,   // bcdDevice_Ver_H
+        0x03,   // bcdDevice_Ver_H
-        0x00,   // iManufacturer
+        0x01,   // iManufacturer
-        0x02,   // iProduct USB2.0-Serial
+        0x02,   // iProduct
         0x00,   // iSerialNumber
         0x01    // bNumConfigurations
 };
@@ -66,10 +65,10 @@ const uint8_t USB_DeviceQualifierDescriptor[] = {
         0x06,   // bDescriptorType
         0x10,   // bcdUSB_L
         0x01,   // bcdUSB_H
-        0xff,   // bDeviceClass
+        0x00,   // bDeviceClass
         0x00,   // bDeviceSubClass
         0x00,   // bDeviceProtocol
-        0x08,   // bMaxPacketSize0
+        0x40,   // bMaxPacketSize0
         0x01,   // bNumConfigurations
         0x00    // Reserved
 };
@@ -83,7 +82,7 @@ const uint8_t USB_ConfigDescriptor[] = {
         0x01, /* bNumInterfaces: 1 interface */
         0x01, /* bConfigurationValue: Configuration value */
         0x00, /* iConfiguration: Index of string descriptor describing the configuration */
-        0x80, /* bmAttributes - Bus powered */
+        0xa0, /* bmAttributes - Bus powered, Remote wakeup */
         0x32, /* MaxPower 100 mA */
 
         /*---------------------------------------------------------------------------*/
@@ -95,68 +94,57 @@ const uint8_t USB_ConfigDescriptor[] = {
         0x00, /* bAlternateSetting: Alternate setting */
         0x03, /* bNumEndpoints: 3 endpoints used */
         0xff, /* bInterfaceClass */
-        0x01, /* bInterfaceSubClass */
+        0x00, /* bInterfaceSubClass */
-        0x02, /* bInterfaceProtocol */
+        0x00, /* bInterfaceProtocol */
         0x00, /* iInterface: */
 ///////////////////////////////////////////////////
-        /*Endpoint IN2 Descriptor*/
-        0x07, /* bLength: Endpoint Descriptor size */
-        0x05, /* bDescriptorType: Endpoint */
-        0x82, /* bEndpointAddress IN2 */
-        0x02, /* bmAttributes: Bulk */
-        0x20, /* wMaxPacketSize: 64 */
-        0x00,
-        0x00, /* bInterval: ignore for Bulk transfer */
-        /*Endpoint OUT2 Descriptor*/
-        0x07, /* bLength: Endpoint Descriptor size */
-        0x05, /* bDescriptorType: Endpoint */
-        0x02, /* bEndpointAddress: OUT2 */
-        0x02, /* bmAttributes: Bulk */
-        0x20, /* wMaxPacketSize: */
-        0x00,
-        0x00, /* bInterval: ignore for Bulk transfer */
         /*Endpoint 1 Descriptor*/
         0x07, /* bLength: Endpoint Descriptor size */
         0x05, /* bDescriptorType: Endpoint */
         0x81, /* bEndpointAddress IN1 */
         0x03, /* bmAttributes: Interrupt */
-        0x08, /* wMaxPacketSize LO: */
+        0x0a, /* wMaxPacketSize LO: */
         0x00, /* wMaxPacketSize HI: */
         0x01, /* bInterval: */
+
+        /*Endpoint OUT2 Descriptor*/
+        0x07, /* bLength: Endpoint Descriptor size */
+        0x05, /* bDescriptorType: Endpoint */
+        0x02, /* bEndpointAddress: OUT2 */
+        0x02, /* bmAttributes: Bulk */
+        0x40, /* wMaxPacketSize: */
+        0x00,
+        0x00, /* bInterval: ignore for Bulk transfer */
+
+        /*Endpoint IN3 Descriptor*/
+        0x07, /* bLength: Endpoint Descriptor size */
+        0x05, /* bDescriptorType: Endpoint */
+        0x83, /* bEndpointAddress IN3 */
+        0x02, /* bmAttributes: Bulk */
+        0x40, /* wMaxPacketSize: 64 */
+        0x00,
+        0x00, /* bInterval: ignore for Bulk transfer */
 };
 
-const uint8_t USB_StringLangDescriptor[] = {
+_USB_LANG_ID_(LANG_US);
-        STRING_LANG_DESCRIPTOR_SIZE_BYTE,   // bLength
-        0x03,   // bDescriptorType
-        0x09,   // wLANGID_L
-        0x04    // wLANGID_H
-};
-
 // these descriptors are not used in PL2303 emulator!
-_USB_STRING_(USB_StringSerialDescriptor, L"0.01")
+_USB_STRING_(USB_StringSerialDescriptor, u"0")
-_USB_STRING_(USB_StringManufacturingDescriptor, L"Russia, SAO RAS")
+_USB_STRING_(USB_StringManufacturingDescriptor, u"Prolific Technology Inc.")
-_USB_STRING_(USB_StringProdDescriptor, L"TSYS01 sensors controller")
+_USB_STRING_(USB_StringProdDescriptor, u"USB-Serial Controller")
 
 static usb_dev_t USB_Dev;
-static ep_t endpoints[MAX_ENDPOINTS];
+ep_t endpoints[MAX_ENDPOINTS];
 
 /*
  * default handlers
  */
 // SET_LINE_CODING
-void WEAK linecoding_handler(__attribute__((unused)) usb_LineCoding *lc){
+void WEAK linecoding_handler(usb_LineCoding __attribute__((unused)) *lc){
-    #ifdef EBUG
+    MSG("linecoding");
-    SEND("Want baudrate: "); printu(lc->dwDTERate);
-    SEND(", charFormat: "); printu(lc->bCharFormat);
-    SEND(", parityType: "); printu(lc->bParityType);
-    SEND(", dataBits: "); printu(lc->bDataBits);
-    usart_putchar('\n');
-    #endif
-    setlinecoding = 1;
 }
 
 // SET_CONTROL_LINE_STATE
-void WEAK clstate_handler(__attribute__((unused)) uint16_t val){
+void WEAK clstate_handler(uint16_t __attribute__((unused)) val){
     #ifdef EBUG
     SEND("change state to ");
     printu(val);
@@ -171,8 +159,26 @@ void WEAK break_handler(){
 
 // handler of vendor requests
 void WEAK vendor_handler(config_pack_t *packet){
+    /*SEND("Vendor, reqt=");
+    printuhex(packet->bmRequestType);
+    SEND(", wval=");
+    printuhex(packet->wValue);
+    usart_putchar('\n');*/
     if(packet->bmRequestType & 0x80){ // read
-        uint8_t c = '?';
+        uint8_t c;
+        switch(packet->wValue){
+            case 0x8484:
+                c = 2;
+            break;
+            case 0x0080:
+                c = 1;
+            break;
+            case 0x8686:
+                c = 0xaa;
+            break;
+            default:
+                c = 0;
+        }
         EP_WriteIRQ(0, &c, 1);
     }else{ // write ZLP
         EP_WriteIRQ(0, (uint8_t *)0, 0);
@@ -216,7 +222,7 @@ uint16_t EP0_Handler(ep_t ep){
                             wr0(USB_ConfigDescriptor, sizeof(USB_ConfigDescriptor));
                         break;
                         case STRING_LANG_DESCRIPTOR:
-                            wr0(USB_StringLangDescriptor, STRING_LANG_DESCRIPTOR_SIZE_BYTE);
+                            wr0((const uint8_t *)&USB_StringLangDescriptor, STRING_LANG_DESCRIPTOR_SIZE_BYTE);
                         break;
                         case STRING_MAN_DESCRIPTOR:
                             wr0((const uint8_t *)&USB_StringManufacturingDescriptor, USB_StringManufacturingDescriptor.bLength);
@@ -278,7 +284,6 @@ uint16_t EP0_Handler(ep_t ep){
             }
         }else if((setup_packet.bmRequestType & VENDOR_MASK_REQUEST) == VENDOR_MASK_REQUEST){ // vendor request
             vendor_handler(&setup_packet);
-            WRITEDUMP("VENDOR");
             epstatus = SET_NAK_RX(epstatus);
             epstatus = SET_VALID_TX(epstatus);
         }else if((setup_packet.bmRequestType & 0x7f) == CONTROL_REQUEST_TYPE){ // control request
@@ -304,7 +309,7 @@ uint16_t EP0_Handler(ep_t ep){
     }else if (ep.rx_flag){ // got data over EP0 or host acknowlegement
         if(ep.rx_cnt){
             if(setup_packet.bRequest == SET_LINE_CODING){
-                WRITEDUMP("SET_LINE_CODING");
+                //WRITEDUMP("SET_LINE_CODING");
                 linecoding_handler((usb_LineCoding*)ep0databuf);
             }
             EP_WriteIRQ(0, (uint8_t *)0, 0);
@@ -354,6 +359,8 @@ uint16_t EP0_Handler(ep_t ep){
     return epstatus;
 }
 
+// TODO: change initialisation with different buffer size! (EP0 have 8 bytes per buffer, EP1 - 10 bytes!)
+
 /**
  * Endpoint initialisation, size of input buffer fixed to 64 bytes
  * @param number - EP num (0...7)
@@ -388,7 +395,7 @@ void usb_isr(){
         // state is default - wait for enumeration
         USB_Dev.USB_Status = USB_DEFAULT_STATE;
     }
-    while(USB->ISTR & USB_ISTR_CTR){
+    if(USB->ISTR & USB_ISTR_CTR){
         // EP number
         n = USB->ISTR & USB_ISTR_EPID;
         // copy status register
@@ -426,7 +433,6 @@ void usb_isr(){
         epstatus = CLEAR_CTR_TX(epstatus);
         // refresh EPnR
         USB->EPnR[n] = epstatus;
-        USB_BTABLE->EP[n].USB_COUNT_RX = 0x8400;
     }
 }
 
@@ -469,9 +475,12 @@ void EP_Write(uint8_t number, const uint8_t *buf, uint16_t size){
  * @return amount of data read
  */
 int EP_Read(uint8_t number, uint8_t *buf){
-    int i = endpoints[number].rx_cnt;
+    int n = endpoints[number].rx_cnt;
-    if(i) memcpy(buf, endpoints[number].rx_buf, i);
+    if(n){
-    return i;
+        for(int i = 0; i < n; ++i)
+            buf[i] = endpoints[number].rx_buf[i];
+    }
+    return n;
 }
 
 // USB status

F0-nolib/pl2303/usb_lib.h

@@ -109,16 +109,29 @@
 #define EP_TYPE_ISO                     0x02
 #define EP_TYPE_INTERRUPT               0x03
 
+#define LANG_US (uint16_t)0x0409
+
 #define _USB_STRING_(name, str)                  \
-const struct name \
+static const struct name \
 {                          \
         uint8_t  bLength;                       \
         uint8_t  bDescriptorType;               \
-        wchar_t  bString[(sizeof(str) - 2) / 2]; \
+        uint16_t bString[(sizeof(str) - 2) / 2]; \
     \
 } \
 name = {sizeof(name), 0x03, str};
 
+#define _USB_LANG_ID_(lng_id)     \
+    \
+static const struct USB_StringLangDescriptor \
+{         \
+        uint8_t  bLength;         \
+        uint8_t  bDescriptorType; \
+        uint16_t bString;         \
+    \
+} \
+USB_StringLangDescriptor = {0x04, 0x03, lng_id};
+
 // EP0 configuration packet
 typedef struct {
     uint8_t bmRequestType;
@@ -169,9 +182,7 @@ typedef struct {
     uint16_t  wLength;
 } __attribute__ ((packed)) usb_cdc_notification;
 
-extern uint8_t setlinecoding;
+extern ep_t endpoints[];
-#define SETLINECODING() (setlinecoding)
-#define CLRLINECODING() do{setlinecoding = 0;}while(0)
 
 void USB_Init();
 uint8_t USB_GetState();

F0-nolib/usbcdc/Readme.md

@@ -1,5 +1,3 @@
 Simple code for CAN/USB development board
+Simultaneous work of USB CDC (PL2303 emulation) and CAN
 
-
-
-USB: https://github.com/majbthrd/CDCHIDwidget/blob/master/src/main.c