add SSI->SPI on NUCLEO042

This commit is contained in:
Edward Emelianov 2022-07-08 14:48:53 +03:00
parent 6f29257a28
commit 52236f2cf1
20 changed files with 8112 additions and 4 deletions

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@ -0,0 +1,593 @@
EESchema-LIBRARY Version 2.4
#encoding utf-8
#
# +3.3V-power
#
DEF +3.3V-power #PWR 0 0 Y Y 1 F P
F0 "#PWR" 0 -150 50 H I C CNN
F1 "+3.3V-power" 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 +3V3 1 0 0 0 U 50 50 1 1 W N
ENDDRAW
ENDDEF
#
# +5V-power
#
DEF +5V-power #PWR 0 0 Y Y 1 F P
F0 "#PWR" 0 -150 50 H I C CNN
F1 "+5V-power" 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
#
# CP-Device
#
DEF CP-Device C 0 10 N Y 1 F N
F0 "C" 25 100 50 H V L CNN
F1 "CP-Device" 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
P 2 0 1 0 -70 90 -30 90 N
P 2 0 1 0 -50 110 -50 70 N
S 90 -20 -90 -40 0 1 0 F
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-Connector_Generic
#
DEF Conn_01x01-Connector_Generic J 0 40 Y N 1 F N
F0 "J" 0 100 50 H V C CNN
F1 "Conn_01x01-Connector_Generic" 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*:*
$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_01x06-Connector_Generic
#
DEF Conn_01x06-Connector_Generic J 0 40 Y N 1 F N
F0 "J" 0 300 50 H V C CNN
F1 "Conn_01x06-Connector_Generic" 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*:*_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 -50 250 50 -350 1 1 10 f
X Pin_1 1 -200 200 150 R 50 50 1 1 P
X Pin_2 2 -200 100 150 R 50 50 1 1 P
X Pin_3 3 -200 0 150 R 50 50 1 1 P
X Pin_4 4 -200 -100 150 R 50 50 1 1 P
X Pin_5 5 -200 -200 150 R 50 50 1 1 P
X Pin_6 6 -200 -300 150 R 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Conn_01x08_Female-Connector
#
DEF Conn_01x08_Female-Connector J 0 40 Y N 1 F N
F0 "J" 0 400 50 H V C CNN
F1 "Conn_01x08_Female-Connector" 0 -500 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
Connector*:*_1x??_*
$ENDFPLIST
DRAW
A 0 -400 20 901 -901 1 1 6 N 0 -380 0 -420
A 0 -300 20 901 -901 1 1 6 N 0 -280 0 -320
A 0 -200 20 901 -901 1 1 6 N 0 -180 0 -220
A 0 -100 20 901 -901 1 1 6 N 0 -80 0 -120
P 2 1 1 6 -50 -400 -20 -400 N
P 2 1 1 6 -50 -300 -20 -300 N
P 2 1 1 6 -50 -200 -20 -200 N
P 2 1 1 6 -50 -100 -20 -100 N
P 2 1 1 6 -50 0 -20 0 N
P 2 1 1 6 -50 100 -20 100 N
P 2 1 1 6 -50 200 -20 200 N
P 2 1 1 6 -50 300 -20 300 N
A 0 0 20 901 -901 1 1 6 N 0 20 0 -20
A 0 100 20 901 -901 1 1 6 N 0 120 0 80
A 0 200 20 901 -901 1 1 6 N 0 220 0 180
A 0 300 20 901 -901 1 1 6 N 0 320 0 280
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
X Pin_8 8 -200 -400 150 R 50 50 1 1 P
ENDDRAW
ENDDEF
#
# DB9_Female-Connector
#
DEF DB9_Female-Connector J 0 40 Y N 1 F N
F0 "J" 0 550 50 H V C CNN
F1 "DB9_Female-Connector" 0 -575 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
DSUB*Female*
$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
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
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
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-Connector
#
DEF DB9_Male-Connector J 0 40 Y N 1 F N
F0 "J" 0 550 50 H V C CNN
F1 "DB9_Male-Connector" 0 -575 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
DSUB*Male*
$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
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
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
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
#
# GND-power
#
DEF GND-power #PWR 0 0 Y Y 1 F P
F0 "#PWR" 0 -250 50 H I C CNN
F1 "GND-power" 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
#
# ISO1050DUB-Interface_CAN_LIN
#
DEF ISO1050DUB-Interface_CAN_LIN U 0 20 Y Y 1 F N
F0 "U" -250 250 50 H V C CNN
F1 "ISO1050DUB-Interface_CAN_LIN" 100 250 50 H V C CNN
F2 "Package_SO:SOP-8_6.62x9.15mm_P2.54mm" 0 -350 50 H I C CIN
F3 "" 0 -50 50 H I C CNN
$FPLIST
SOP*6.62x9.15mm*P2.54mm*
$ENDFPLIST
DRAW
S -300 200 300 -300 0 1 10 f
P 2 0 1 0 0 -200 0 -250 N
P 2 0 1 0 0 -100 0 -150 N
P 2 0 1 0 0 0 0 -50 N
P 2 0 1 0 0 100 0 50 N
P 2 0 1 0 0 200 0 150 N
X VCC1 1 -400 100 100 R 50 50 1 1 W
X RXD 2 -400 0 100 R 50 50 1 1 O
X TXD 3 -400 -100 100 R 50 50 1 1 I
X GND1 4 -400 -200 100 R 50 50 1 1 W
X GND2 5 400 -200 100 L 50 50 1 1 W
X CANL 6 400 -100 100 L 50 50 1 1 B
X CANH 7 400 0 100 L 50 50 1 1 B
X VCC2 8 400 100 100 L 50 50 1 1 W
ENDDRAW
ENDDEF
#
# LM1117-3.3-Regulator_Linear
#
DEF LM1117-3.3-Regulator_Linear U 0 10 Y Y 1 F N
F0 "U" -150 125 50 H V C CNN
F1 "LM1117-3.3-Regulator_Linear" 0 125 50 H V L CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
SOT?223*
TO?263*
TO?252*
TO?220*
$ENDFPLIST
DRAW
S -200 -200 200 75 0 1 10 f
X GND 1 0 -300 100 U 50 50 1 1 W
X VO 2 300 0 100 L 50 50 1 1 w
X VI 3 -300 0 100 R 50 50 1 1 W
ENDDRAW
ENDDEF
#
# MAX3485-Interface_UART
#
DEF MAX3485-Interface_UART U 0 20 Y Y 1 F N
F0 "U" -240 450 50 H V C CNN
F1 "MAX3485-Interface_UART" 30 450 50 H V L CNN
F2 "" 0 -700 50 H I C CNN
F3 "" 0 50 50 H I C CNN
$FPLIST
DIP*W7.62mm*
SOIC*3.9x4.9mm*P1.27mm*
$ENDFPLIST
DRAW
S -300 400 300 -500 0 1 10 f
C -12 -145 14 0 1 10 F
C -1 59 14 0 1 10 F
P 2 0 1 10 -160 -200 -75 -200 N
P 2 0 1 10 -160 100 -50 100 N
P 2 0 1 10 -50 -126 -50 -136 N
P 2 0 1 10 -25 -200 210 -200 N
P 3 0 1 10 -160 -100 -50 -100 -50 -125 N
P 3 0 1 10 0 50 0 0 -160 0 N
P 3 0 1 10 50 125 150 125 150 -200 N
P 3 0 1 10 100 75 100 -150 0 -150 N
P 4 0 1 10 -75 -125 -75 -225 25 -175 -75 -125 N
P 4 0 1 10 -50 100 50 150 50 50 -50 100 N
P 4 0 1 10 75 75 175 75 175 100 210 100 N
S 50 125 50 125 0 1 0 N
C 65 75 14 0 1 10 F
X RO 1 -400 100 100 R 50 50 1 1 O
X ~{RE} 2 -400 0 100 R 50 50 1 1 I
X DE 3 -400 -100 100 R 50 50 1 1 I
X DI 4 -400 -200 100 R 50 50 1 1 I
X GND 5 0 -600 100 U 50 50 1 1 W
X A 6 400 -200 100 L 50 50 1 1 B
X B 7 400 100 100 L 50 50 1 1 B
X VCC 8 0 500 100 D 50 50 1 1 W
ENDDRAW
ENDDEF
#
# MCP2551-I-SN-Interface_CAN_LIN
#
DEF MCP2551-I-SN-Interface_CAN_LIN U 0 40 Y Y 1 F N
F0 "U" -400 350 50 H V L CNN
F1 "MCP2551-I-SN-Interface_CAN_LIN" 100 350 50 H V L CNN
F2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" 0 -500 50 H I C CIN
F3 "" 0 0 50 H I C CNN
$FPLIST
SOIC*P1.27mm*
$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
#
# PESD3V3L4UG-Power_Protection
#
DEF PESD3V3L4UG-Power_Protection D 0 20 N N 4 L N
F0 "D" 0 100 50 H V C CNN
F1 "PESD3V3L4UG-Power_Protection" 0 -100 50 H V C CNN
F2 "Package_TO_SOT_SMD:SOT-353_SC-70-5" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
SOT?353*
$ENDFPLIST
DRAW
P 2 0 1 0 -40 0 40 0 N
P 3 0 1 0 -40 40 -40 -40 -20 -40 N
P 4 0 1 0 40 40 -40 0 40 -40 40 40 N
X K1 1 -100 0 100 R 50 50 1 1 P
X A 2 100 0 100 L 50 50 1 1 P
X K2 3 -100 0 100 R 50 50 2 1 P
X K3 4 -100 0 100 R 50 50 3 1 P
X K4 6 -100 0 100 R 50 50 4 1 P
ENDDRAW
ENDDEF
#
# PWR_FLAG-power
#
DEF PWR_FLAG-power #FLG 0 0 N N 1 F P
F0 "#FLG" 0 75 50 H I C CNN
F1 "PWR_FLAG-power" 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 -40 75 0 100 40 75 0 50 N
X pwr 1 0 0 0 U 50 50 0 0 w
ENDDRAW
ENDDEF
#
# STM32F072CBTx-MCU_ST_STM32F0
#
DEF STM32F072CBTx-MCU_ST_STM32F0 U 0 20 Y Y 1 F N
F0 "U" -600 1450 50 H V L CNN
F1 "STM32F072CBTx-MCU_ST_STM32F0" 300 1450 50 H V L CNN
F2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" -600 -1400 50 H I R CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
LQFP*7x7mm*P0.5mm*
$ENDFPLIST
DRAW
S -600 -1400 500 1400 0 1 10 f
X VBAT 1 -200 1500 100 D 50 50 1 1 W
X PA0 10 600 200 100 L 50 50 1 1 B
X PA1 11 600 100 100 L 50 50 1 1 B
X PA2 12 600 0 100 L 50 50 1 1 B
X PA3 13 600 -100 100 L 50 50 1 1 B
X PA4 14 600 -200 100 L 50 50 1 1 B
X PA5 15 600 -300 100 L 50 50 1 1 B
X PA6 16 600 -400 100 L 50 50 1 1 B
X PA7 17 600 -500 100 L 50 50 1 1 B
X PB0 18 -700 200 100 R 50 50 1 1 B
X PB1 19 -700 100 100 R 50 50 1 1 B
X PC13 2 -700 600 100 R 50 50 1 1 B
X PB2 20 -700 0 100 R 50 50 1 1 B
X PB10 21 -700 -800 100 R 50 50 1 1 B
X PB11 22 -700 -900 100 R 50 50 1 1 B
X VSS 23 -200 -1500 100 U 50 50 1 1 W
X VDD 24 -100 1500 100 D 50 50 1 1 W
X PB12 25 -700 -1000 100 R 50 50 1 1 B
X PB13 26 -700 -1100 100 R 50 50 1 1 B
X PB14 27 -700 -1200 100 R 50 50 1 1 B
X PB15 28 -700 -1300 100 R 50 50 1 1 B
X PA8 29 600 -600 100 L 50 50 1 1 B
X PC14 3 -700 500 100 R 50 50 1 1 B
X PA9 30 600 -700 100 L 50 50 1 1 B
X PA10 31 600 -800 100 L 50 50 1 1 B
X PA11 32 600 -900 100 L 50 50 1 1 B
X PA12 33 600 -1000 100 L 50 50 1 1 B
X PA13 34 600 -1100 100 L 50 50 1 1 B
X VSS 35 -100 -1500 100 U 50 50 1 1 W
X VDDIO2 36 200 1500 100 D 50 50 1 1 W
X PA14 37 600 -1200 100 L 50 50 1 1 B
X PA15 38 600 -1300 100 L 50 50 1 1 B
X PB3 39 -700 -100 100 R 50 50 1 1 B
X PC15 4 -700 400 100 R 50 50 1 1 B
X PB4 40 -700 -200 100 R 50 50 1 1 B
X PB5 41 -700 -300 100 R 50 50 1 1 B
X PB6 42 -700 -400 100 R 50 50 1 1 B
X PB7 43 -700 -500 100 R 50 50 1 1 B
X BOOT0 44 -700 1100 100 R 50 50 1 1 I
X PB8 45 -700 -600 100 R 50 50 1 1 B
X PB9 46 -700 -700 100 R 50 50 1 1 B
X VSS 47 0 -1500 100 U 50 50 1 1 W
X VDD 48 0 1500 100 D 50 50 1 1 W
X PF0 5 -700 900 100 R 50 50 1 1 I
X PF1 6 -700 800 100 R 50 50 1 1 I
X NRST 7 -700 1300 100 R 50 50 1 1 I
X VSSA 8 100 -1500 100 U 50 50 1 1 W
X VDDA 9 100 1500 100 D 50 50 1 1 W
ENDDRAW
ENDDEF
#
# SW_DIP_x01-Switch
#
DEF SW_DIP_x01-Switch SW 0 0 Y N 1 F N
F0 "SW" 0 150 50 H V C CNN
F1 "SW_DIP_x01-Switch" 0 -150 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
SW?DIP?x1*
$ENDFPLIST
DRAW
C -80 0 20 0 0 0 N
P 2 0 0 0 -60 5 93 46 N
C 80 0 20 0 0 0 N
S -150 100 150 -100 0 1 10 f
X ~ 1 -300 0 200 R 50 50 1 1 P
X ~ 2 300 0 200 L 50 50 1 1 P
ENDDRAW
ENDDEF
#
# SW_DIP_x04-Switch
#
DEF SW_DIP_x04-Switch SW 0 0 Y N 1 F N
F0 "SW" 0 350 50 H V C CNN
F1 "SW_DIP_x04-Switch" 0 -250 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
SW?DIP?x4*
$ENDFPLIST
DRAW
C -80 -100 20 0 0 0 N
C -80 0 20 0 0 0 N
C -80 100 20 0 0 0 N
C -80 200 20 0 0 0 N
P 2 0 0 0 -60 -94 93 -53 N
P 2 0 0 0 -60 5 93 46 N
P 2 0 0 0 -60 105 93 146 N
P 2 0 0 0 -60 205 93 246 N
C 80 -100 20 0 0 0 N
C 80 0 20 0 0 0 N
C 80 100 20 0 0 0 N
C 80 200 20 0 0 0 N
S -150 300 150 -200 0 1 10 f
X ~ 1 -300 200 200 R 50 50 1 1 P
X ~ 2 -300 100 200 R 50 50 1 1 P
X ~ 3 -300 0 200 R 50 50 1 1 P
X ~ 4 -300 -100 200 R 50 50 1 1 P
X ~ 5 300 -100 200 L 50 50 1 1 P
X ~ 6 300 0 200 L 50 50 1 1 P
X ~ 7 300 100 200 L 50 50 1 1 P
X ~ 8 300 200 200 L 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Screw_Terminal_01x02-Connector
#
DEF Screw_Terminal_01x02-Connector J 0 40 Y N 1 F N
F0 "J" 0 100 50 H V C CNN
F1 "Screw_Terminal_01x02-Connector" 0 -200 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
TerminalBlock*:*
$ENDFPLIST
DRAW
S -50 50 50 -150 1 1 10 f
C 0 -100 25 1 1 6 N
P 2 1 1 6 -21 -87 13 -120 N
P 2 1 1 6 -21 13 13 -20 N
P 2 1 1 6 -14 -80 20 -113 N
P 2 1 1 6 -14 20 20 -13 N
C 0 0 25 1 1 6 N
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
#
# TestPoint-Connector
#
DEF TestPoint-Connector TP 0 30 N N 1 F N
F0 "TP" 0 270 50 H V C CNN
F1 "TestPoint-Connector" 0 200 50 H V C CNN
F2 "" 200 0 50 H I C CNN
F3 "" 200 0 50 H I C CNN
$FPLIST
Pin*
Test*
$ENDFPLIST
DRAW
C 0 130 30 0 1 0 N
X 1 1 0 0 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# USB6B1-Power_Protection
#
DEF USB6B1-Power_Protection U 0 20 Y Y 1 F N
F0 "U" 250 250 50 H V C CNN
F1 "USB6B1-Power_Protection" 200 -250 50 H V C CNN
F2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" 0 0 50 H I C CNN
F3 "" -950 -100 50 H I C CNN
$FPLIST
SOIC*3.9x4.9mm*P1.27mm*
$ENDFPLIST
DRAW
S -300 -200 300 200 0 1 10 f
X VBUS 1 0 300 100 D 50 50 1 1 P N
X I/O1 2 -400 100 100 R 50 50 1 1 P
X I/O2 3 -400 -100 100 R 50 50 1 1 P
X GND 4 0 -300 100 U 50 50 1 1 P N
X GND 5 0 -300 100 U 50 50 1 1 P
X I/O2 6 400 -100 100 L 50 50 1 1 P
X I/O1 7 400 100 100 L 50 50 1 1 P
X VBUS 8 0 300 100 D 50 50 1 1 P
ENDDRAW
ENDDEF
#
# USB_B-Connector
#
DEF USB_B-Connector J 0 40 Y Y 1 F N
F0 "J" -200 450 50 H V L CNN
F1 "USB_B-Connector" -200 350 50 H V L CNN
F2 "" 150 -50 50 H I C CNN
F3 "" 150 -50 50 H I C CNN
$FPLIST
USB*
$ENDFPLIST
DRAW
S -200 -300 200 300 0 1 10 f
C -150 85 25 0 1 10 F
S -150 220 -100 180 0 1 0 F
C -25 135 15 0 1 10 F
S -5 -300 5 -270 0 1 0 N
P 2 0 1 10 -75 85 25 85 N
P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N
P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N
P 4 0 1 10 25 110 25 60 75 85 25 110 F
P 7 0 1 0 -160 170 -90 170 -90 225 -105 240 -145 240 -160 225 -160 170 N
S 10 50 -20 20 0 1 10 F
S 200 -105 170 -95 0 1 0 N
S 200 -5 170 5 0 1 0 N
S 200 195 170 205 0 1 0 N
X VBUS 1 300 200 100 L 50 50 1 1 w
X D- 2 300 -100 100 L 50 50 1 1 P
X D+ 3 300 0 100 L 50 50 1 1 P
X GND 4 0 -400 100 U 50 50 1 1 w
X Shield 5 -100 -400 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
#End Library

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@ -0,0 +1,75 @@
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"other_text_size_v": 1.0,
"other_text_thickness": 0.15,
"other_text_upright": true,
"silk_line_width": 0.15,
"silk_text_italic": false,
"silk_text_size_h": 1.0,
"silk_text_size_v": 1.0,
"silk_text_thickness": 0.15,
"silk_text_upright": true
},
"diff_pair_dimensions": [
{
"gap": 0.25,
"via_gap": 0.25,
"width": 0.2
}
],
"drc_exclusions": [],
"rule_severitieslegacy_courtyards_overlap": true,
"rule_severitieslegacy_no_courtyard_defined": false,
"rules": {
"allow_blind_buried_vias": false,
"allow_microvias": false,
"min_hole_to_hole": 0.25,
"min_microvia_diameter": 0.2,
"min_microvia_drill": 0.09999999999999999,
"min_through_hole_diameter": 0.5,
"min_track_width": 0.2,
"min_via_diameter": 0.7999999999999999,
"solder_mask_clearance": 0.2,
"solder_mask_min_width": 0.0,
"solder_paste_clearance": 0.0,
"solder_paste_margin_ratio": -0.0
},
"track_widths": [
0.2,
0.2,
0.3,
0.5,
1.0,
2.0
],
"via_dimensions": [
{
"diameter": 1.0,
"drill": 0.6
},
{
"diameter": 1.0,
"drill": 0.6
},
{
"diameter": 1.5,
"drill": 0.8
}
]
},
"layer_presets": []
},
"boards": [],
"cvpcb": {
"equivalence_files": []
},
"erc": {
"erc_exclusions": [],
"meta": {
"version": 0
},
"pin_map": [
[
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
2,
0,
1,
0,
0,
1,
0,
2,
2,
2,
2
],
[
0,
0,
0,
0,
0,
0,
1,
0,
1,
0,
1,
2
],
[
0,
1,
0,
0,
0,
0,
1,
1,
2,
1,
1,
2
],
[
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
2
],
[
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
2
],
[
0,
0,
0,
1,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
2,
1,
2,
0,
0,
1,
0,
2,
2,
2,
2
],
[
0,
2,
0,
1,
0,
0,
1,
0,
2,
0,
0,
2
],
[
0,
2,
1,
1,
0,
0,
1,
0,
2,
0,
0,
2
],
[
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2
]
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_label_syntax": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
"different_unit_footprint": "error",
"different_unit_net": "error",
"duplicate_reference": "error",
"duplicate_sheet_names": "error",
"extra_units": "error",
"global_label_dangling": "warning",
"hier_label_mismatch": "error",
"label_dangling": "error",
"lib_symbol_issues": "warning",
"multiple_net_names": "warning",
"net_not_bus_member": "warning",
"no_connect_connected": "warning",
"no_connect_dangling": "warning",
"pin_not_connected": "error",
"pin_not_driven": "error",
"pin_to_pin": "warning",
"power_pin_not_driven": "error",
"similar_labels": "warning",
"unannotated": "error",
"unit_value_mismatch": "error",
"unresolved_variable": "error",
"wire_dangling": "error"
}
},
"libraries": {
"pinned_footprint_libs": [],
"pinned_symbol_libs": []
},
"meta": {
"filename": "stm32.kicad_pro",
"version": 1
},
"net_settings": {
"classes": [
{
"bus_width": 12.0,
"clearance": 0.2,
"diff_pair_gap": 0.25,
"diff_pair_via_gap": 0.25,
"diff_pair_width": 0.2,
"line_style": 0,
"microvia_diameter": 0.3,
"microvia_drill": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.25,
"via_diameter": 0.8,
"via_drill": 0.4,
"wire_width": 6.0
}
],
"meta": {
"version": 2
},
"net_colors": null
},
"pcbnew": {
"last_paths": {
"gencad": "",
"idf": "",
"netlist": "stm32.net",
"specctra_dsn": "",
"step": "",
"vrml": ""
},
"page_layout_descr_file": ""
},
"schematic": {
"annotate_start_num": 0,
"drawing": {
"default_line_thickness": 6.0,
"default_text_size": 50.0,
"field_names": [],
"intersheets_ref_own_page": false,
"intersheets_ref_prefix": "",
"intersheets_ref_short": false,
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.25,
"pin_symbol_size": 0.0,
"text_offset_ratio": 0.08
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 1
},
"net_format_name": "Pcbnew",
"ngspice": {
"fix_include_paths": true,
"fix_passive_vals": false,
"meta": {
"version": 0
},
"model_mode": 0,
"workbook_filename": ""
},
"page_layout_descr_file": "",
"plot_directory": "",
"spice_adjust_passive_values": false,
"spice_external_command": "spice \"%I\"",
"subpart_first_id": 49,
"subpart_id_separator": 46
},
"sheets": [
[
"99e5cbe8-ca46-48a4-a6fc-cabce62e3612",
""
]
],
"text_variables": {}
}

File diff suppressed because it is too large Load Diff

View File

@ -1,3 +1,4 @@
(sym_lib_table
(lib (name elements)(type Legacy)(uri ${KIPRJMOD}/elements.lib)(options "")(descr ""))
(lib (name "elements")(type "Legacy")(uri "${KIPRJMOD}/elements.lib")(options "")(descr ""))
(lib (name "stm32-rescue")(type "Legacy")(uri "${KIPRJMOD}/stm32-rescue.lib")(options "")(descr ""))
)

View File

@ -0,0 +1,137 @@
BINARY = usart
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
# MCU FAMILY
FAMILY = F0
# MCU code
MCU = F042x6
DEFS += -DEBUG
# change this linking script depending on particular MCU model,
# for example, if you have STM32F103VBT6, you should write:
LDSCRIPT = stm32f042k.ld
INDEPENDENT_HEADERS=
FP_FLAGS ?= -msoft-float
ASM_FLAGS = -mthumb -mcpu=cortex-m0 -march=armv6-m -mtune=cortex-m0
ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS)
###############################################################################
# Executables
PREFIX ?= /opt/bin/arm-none-eabi
RM := rm -f
RMDIR := rmdir
CC := $(PREFIX)-gcc
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
GDB := $(PREFIX)-gdb
STFLASH := $(shell which st-flash)
STBOOT := $(shell which stm32flash)
###############################################################################
# Source files
OBJDIR = mk
LDSCRIPT ?= $(BINARY).ld
SRC := $(wildcard *.c)
OBJS := $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
STARTUP = $(OBJDIR)/startup.o
OBJS += $(STARTUP)
DEPS := $(OBJS:.o=.d)
INC_DIR ?= ../inc
INCLUDE := -I$(INC_DIR)/F0 -I$(INC_DIR)/cm
LIB_DIR := $(INC_DIR)/ld
###############################################################################
# C flags
CFLAGS += -O2 -g -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections
###############################################################################
# Linker flags
LDFLAGS += --static -nostartfiles
#--specs=nano.specs
LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map
LDFLAGS += -Wl,--gc-sections
###############################################################################
# Used libraries
LDLIBS += -Wl,--start-group -lc -lgcc -Wl,--end-group
LDLIBS += $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU)
#.SUFFIXES: .elf .bin .hex .srec .list .map .images
#.SECONDEXPANSION:
#.SECONDARY:
ELF := $(OBJDIR)/$(BINARY).elf
LIST := $(OBJDIR)/$(BINARY).list
BIN := $(BINARY).bin
HEX := $(BINARY).hex
all: bin list
elf: $(ELF)
bin: $(BIN)
hex: $(HEX)
list: $(LIST)
ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif
$(OBJDIR):
mkdir $(OBJDIR)
$(STARTUP): $(INC_DIR)/startup/vector.c
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) $(ARCH_FLAGS) -o $@ -c $<
$(OBJDIR)/%.o: %.c
@echo " CC $<"
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) $(ARCH_FLAGS) -o $@ -c $<
#$(OBJDIR)/%.d: %.c $(OBJDIR)
# $(CC) -MM -MG $< | sed -e 's,^\([^:]*\)\.o[ ]*:,$(@D)/\1.o $(@D)/\1.d:,' >$@
$(BIN): $(ELF)
@echo " OBJCOPY $(BIN)"
$(OBJCOPY) -Obinary $(ELF) $(BIN)
$(HEX): $(ELF)
@echo " OBJCOPY $(HEX)"
$(OBJCOPY) -Oihex $(ELF) $(HEX)
$(LIST): $(ELF)
@echo " OBJDUMP $(LIST)"
$(OBJDUMP) -S $(ELF) > $(LIST)
$(ELF): $(OBJDIR) $(OBJS)
@echo " LD $(ELF)"
$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(ELF)
clean:
@echo " CLEAN"
$(RM) $(OBJS) $(DEPS) $(ELF) $(HEX) $(LIST) $(OBJDIR)/*.map
@rmdir $(OBJDIR) 2>/dev/null || true
flash: $(BIN)
@echo " FLASH $(BIN)"
$(STFLASH) write $(BIN) 0x8000000
boot: $(BIN)
@echo " LOAD $(BIN) through bootloader"
$(STBOOT) -b$(BOOTSPEED) $(BOOTPORT) -w $(BIN)
.PHONY: clean flash boot

View File

@ -0,0 +1,9 @@
This is a simple USART over DMA application with software end of string control.
Speed 115200. Received string echoes back.
run
DEFS=-DCHECK_TMOUT make
to add timeout 1.5s for each letter
DEFS="-DCHECK_TMOUT -DTIMEOUT_MS=xx" make
to make another timeout

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@ -0,0 +1,101 @@
/*
* main.c
*
* Copyright 2017 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <stm32f0.h>
#include "spi.h"
#include "usart.h"
volatile uint32_t Tms = 0;
/* Called when systick fires */
void sys_tick_handler(void){
++Tms;
}
static void gpio_setup(void){
// Set green led (PB3) as output - no, PB3 is SCK!
//RCC->AHBENR |= RCC_AHBENR_GPIOBEN;
//GPIOB->MODER = GPIO_MODER_MODER3_O;
}
static void printuhex(uint8_t *arr, uint8_t l){
if(l > 32 || l == 0) return;
char buf[70] = "0x";
int8_t i, j, bidx = 2;
for(i = 0; i < l; ++i, ++arr){
for(j = 1; j > -1; --j){
uint8_t half = (*arr >> (4*j)) & 0x0f;
if(half < 10) buf[bidx++] = half + '0';
else buf[bidx++] = half - 10 + 'a';
}
}
buf[bidx++] = '\n';
SEND(buf, bidx);
}
static void print14bit(uint8_t *arr){
uint8_t _16[2];
_16[0] = (arr[0]>>4)&3; _16[1] = (arr[0]<<4) | (arr[1] >> 4);
printuhex(_16, 2);
//SEND("\n\n", 2);
}
int main(void){
uint32_t /*lastT = 0,*/ dctr = 0;
int16_t L = 0;
uint8_t buf[SPIBUFSZ], len;
char *txt;
sysreset();
SysTick_Config(6000, 1);
gpio_setup();
spi_setup();
usart2_setup();
while (1){
/* if(Tms - lastT > 499){
pin_toggle(GPIOB, 1<<3); // blink by onboard LED once per second
lastT = Tms;
}*/
if(usart2rx()){ // usart1 received data, store in in buffer
L = usart2_getline(&txt);
// do something with received data
}
if(L){ // text waits for sending
if(ALL_OK == usart2_send(txt, L)){
L = 0;
}
}
len = SPIBUFSZ;
uint8_t a = SPI_getdata(buf, &len);
if(a){
//printuhex(buf, len);
print14bit(buf);
}
if(Tms - dctr > 999){// once per 1 second
dctr = Tms;
//SEND("pre\n", 4);
SPI_prep_receive();
}
}
return 0;
}

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@ -0,0 +1,119 @@
/*
* This file is part of the F0testbrd project.
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h> // memcpy
#include "usart.h"
#include "spi.h"
// buffers for DMA rx/tx
static uint8_t inbuff[SPIBUFSZ], outbuff[SPIBUFSZ];
static uint8_t rxrdy = 0;
// SPI1 (AF0): PB3 - SCK, PB4 - MISO, PB5 - MOSI; RxDMA - ch2
void spi_setup(){
RCC->AHBENR |= RCC_AHBENR_GPIOBEN; // uncomment in common case
/* (1) Select AF mode on pins */
/* (2) AF0 for SPI1 signals */
GPIOB->MODER = (GPIOB->MODER & ~(GPIO_MODER_MODER3 | GPIO_MODER_MODER4)) |
GPIO_MODER_MODER3_AF | GPIO_MODER_MODER4_AF; /* (1) */
GPIOB->AFR[0] = (GPIOB->AFR[0] & ~(GPIO_AFRL_AFRL3 | GPIO_AFRL_AFRL4)); /* (2) */
// enable clocking
RCC->AHBENR |= RCC_AHBENR_DMA1EN;
RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
// Configure DMA SPI
/* SPI_RX DMA config */
/* (1) Peripheral address */
/* (2) Memory address */
/* (3) Data size */
/* (4) Memory increment */
/* Peripheral to memory */
/* 8-bit transfer */
/* Overflow IR */
DMA1_Channel2->CCR &= ~DMA_CCR_EN;
DMA1_Channel2->CPAR = (uint32_t)&(SPI1->DR); /* (1) */
DMA1_Channel2->CMAR = (uint32_t)inbuff; /* (2) */
DMA1_Channel2->CNDTR = SPIBUFSZ; /* (3) */
DMA1_Channel2->CCR |= DMA_CCR_MINC | DMA_CCR_EN; /* (4) */
/* (5) Peripheral address */
/* (6) Memory address */
/* (7) Memory increment */
/* Memory to peripheral*/
/* 8-bit transfer */
/* Transfer complete IT */
DMA1_Channel3->CCR &= ~DMA_CCR_EN;
DMA1_Channel3->CPAR = (uint32_t)&(SPI1->DR); /* (5) */
DMA1_Channel3->CMAR = (uint32_t)outbuff; /* (6) */
DMA1_Channel3->CCR |= DMA_CCR_MINC | DMA_CCR_TCIE | DMA_CCR_DIR; /* (7) */
NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0);
NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
/* Configure SPI */
/* (1) Master selection, BR: Fpclk/256 CPOL and CPHA at zero (rising first edge) */
/* (1a) software slave management (SSI inactive) */
/* (2) TX and RX with DMA, 8-bit Rx fifo */
/* (3) Enable SPI */
SPI1->CR1 = SPI_CR1_MSTR | SPI_CR1_BR | SPI_CR1_SSM | SPI_CR1_SSI; /* (1) */
SPI1->CR2 = SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN | SPI_CR2_FRXTH | SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0; /* (2) */
SPI1->CR1 |= SPI_CR1_SPE; /* (3) */
SPI_prep_receive();
}
// prepare to receive data
void SPI_prep_receive(){
DMA1_Channel3->CCR &= ~DMA_CCR_EN;
DMA1_Channel2->CCR &= ~DMA_CCR_EN;
rxrdy = 0;
(void)SPI1->DR; // read DR and SR to clear OVR flag
(void)SPI1->SR;
DMA1_Channel2->CNDTR = SPIBUFSZ;
DMA1_Channel3->CNDTR = SPIBUFSZ;
DMA1_Channel2->CCR |= DMA_CCR_EN;
DMA1_Channel3->CCR |= DMA_CCR_EN;
}
/**
* @brief SPI_getdata - get data received by DMA & reload receiver
* @param buf - buffer for data (with length maxlen) or NULL
* @param maxlen - (I) - amount of received bytes (or 0 if buffer is empty),
* (O) - amount of real bytes amount in buffer (could be > maxlen if maxlen < SPIBUFSZ)
* @return 1 if got data
*/
uint8_t SPI_getdata(uint8_t *buf, uint8_t *maxlen){
if(!rxrdy) return 0;
//SEND("def\n", 4);
uint8_t remain = DMA1_Channel2->CNDTR;
if(remain) return 0;
rxrdy = 0;
if(maxlen){
if(buf && *maxlen) memcpy(buf, inbuff, *maxlen);
*maxlen = SPIBUFSZ; // bytes received
}
return 1;
}
void dma1_channel2_3_isr(){
if(DMA1->ISR & DMA_ISR_TCIF3){
DMA1->IFCR |= DMA_IFCR_CTCIF3;
DMA1_Channel3->CCR &= ~DMA_CCR_EN;
rxrdy = 1;
}
if(DMA1->ISR & DMA_ISR_TEIF2){ // receiver overflow
DMA1->IFCR |= DMA_IFCR_CTEIF2;
DMA1_Channel2->CCR &= ~DMA_CCR_EN;
}
}

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@ -0,0 +1,41 @@
/*
* This file is part of the F0testbrd project.
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifndef SPI_H__
#define SPI_H__
#include <stm32f0.h>
// 5 bytes == 40 bits
#define SPIBUFSZ (2)
typedef enum{
SPI_NOTREADY,
SPI_READY,
SPI_BUSY
} spiStatus;
extern spiStatus SPI_status[];
extern volatile uint8_t SPIoverfl[];
void spi_setup();
void SPI_prep_receive();
uint8_t SPI_getdata(uint8_t *buf, uint8_t *maxlen);
#endif // SPI_H__

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@ -0,0 +1,153 @@
/*
* usart.c
*
* Copyright 2017 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <stm32f0.h>
#include <string.h>
#include "usart.h"
extern volatile uint32_t Tms;
static int datalen[2] = {0,0}; // received data line length (including '\n')
int linerdy = 0, // received data ready
dlen = 0, // length of data (including '\n') in current buffer
bufovr = 0, // input buffer overfull
txrdy = 1 // transmission done
;
int rbufno = 0; // current rbuf number
static char rbuf[UARTBUFSZ][2], tbuf[UARTBUFSZ]; // receive & transmit buffers
static char *recvdata = NULL;
/**
* return length of received data (without trailing zero
*/
int usart2_getline(char **line){
if(bufovr){
bufovr = 0;
linerdy = 0;
return 0;
}
*line = recvdata;
linerdy = 0;
return dlen;
}
TXstatus usart2_send(const char *str, int len){
if(!txrdy) return LINE_BUSY;
if(len > UARTBUFSZ) return STR_TOO_LONG;
txrdy = 0;
memcpy(tbuf, str, len);
DMA1_Channel4->CCR &= ~DMA_CCR_EN;
DMA1_Channel4->CNDTR = len;
DMA1_Channel4->CCR |= DMA_CCR_EN; // start transmission
return ALL_OK;
}
TXstatus usart2_send_blocking(const char *str, int len){
if(!txrdy) return LINE_BUSY;
int i;
bufovr = 0;
for(i = 0; i < len; ++i){
USART2->TDR = *str++;
while(!(USART2->ISR & USART_ISR_TXE));
}
txrdy = 1;
return ALL_OK;
}
// Nucleo's USART2 connected to VCP proxy of st-link
void usart2_setup(){
// setup pins: PA2 (Tx - AF1), PA15 (Rx - AF1)
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_DMAEN;
// AF mode (AF1)
GPIOA->MODER = (GPIOA->MODER & ~(GPIO_MODER_MODER2|GPIO_MODER_MODER15))\
| (GPIO_MODER_MODER2_1 | GPIO_MODER_MODER15_1);
GPIOA->AFR[0] = (GPIOA->AFR[0] &~GPIO_AFRH_AFRH2) | 1 << (2 * 4); // PA2
GPIOA->AFR[1] = (GPIOA->AFR[1] &~GPIO_AFRH_AFRH7) | 1 << (7 * 4); // PA15
// DMA: Tx - Ch4
DMA1_Channel4->CPAR = (uint32_t) &USART2->TDR; // periph
DMA1_Channel4->CMAR = (uint32_t) tbuf; // mem
DMA1_Channel4->CCR |= DMA_CCR_MINC | DMA_CCR_DIR | DMA_CCR_TCIE; // 8bit, mem++, mem->per, transcompl irq
// Tx CNDTR set @ each transmission due to data size
NVIC_SetPriority(DMA1_Channel4_5_IRQn, 3);
NVIC_EnableIRQ(DMA1_Channel4_5_IRQn);
NVIC_SetPriority(USART2_IRQn, 0);
// setup usart2
RCC->APB1ENR |= RCC_APB1ENR_USART2EN; // clock
// oversampling by16, 115200bps (fck=48mHz)
//USART2_BRR = 0x1a1; // 48000000 / 115200
USART2->BRR = 480000 / 1152;
USART2->CR3 = USART_CR3_DMAT; // enable DMA Tx
USART2->CR1 = USART_CR1_TE | USART_CR1_RE | USART_CR1_UE; // 1start,8data,nstop; enable Rx,Tx,USART
while(!(USART2->ISR & USART_ISR_TC)); // polling idle frame Transmission
USART2->ICR |= USART_ICR_TCCF; // clear TC flag
USART2->CR1 |= USART_CR1_RXNEIE;
NVIC_EnableIRQ(USART2_IRQn);
}
void dma1_channel4_5_isr(){
if(DMA1->ISR & DMA_ISR_TCIF4){ // Tx
DMA1->IFCR |= DMA_IFCR_CTCIF4; // clear TC flag
txrdy = 1;
}
}
void usart2_isr(){
#ifdef CHECK_TMOUT
static uint32_t tmout = 0;
#endif
if(USART2->ISR & USART_ISR_RXNE){ // RX not emty - receive next char
#ifdef CHECK_TMOUT
if(tmout && Tms >= tmout){ // set overflow flag
bufovr = 1;
datalen[rbufno] = 0;
}
tmout = Tms + TIMEOUT_MS;
if(!tmout) tmout = 1; // prevent 0
#endif
// read RDR clears flag
uint8_t rb = USART2->RDR;
if(datalen[rbufno] < UARTBUFSZ){ // put next char into buf
rbuf[rbufno][datalen[rbufno]++] = rb;
if(rb == '\n'){ // got newline - line ready
linerdy = 1;
dlen = datalen[rbufno];
recvdata = rbuf[rbufno];
// prepare other buffer
rbufno = !rbufno;
datalen[rbufno] = 0;
#ifdef CHECK_TMOUT
// clear timeout at line end
tmout = 0;
#endif
}
}else{ // buffer overrun
bufovr = 1;
datalen[rbufno] = 0;
#ifdef CHECK_TMOUT
tmout = 0;
#endif
}
}
}

View File

@ -0,0 +1,50 @@
/*
* usart.h
*
* Copyright 2017 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __USART_H__
#define __USART_H__
// input and output buffers size
#define UARTBUFSZ (64)
// timeout between data bytes
#ifndef TIMEOUT_MS
#define TIMEOUT_MS (1500)
#endif
typedef enum{
ALL_OK,
LINE_BUSY,
STR_TOO_LONG
} TXstatus;
#define SEND(s, l) do{}while(ALL_OK != usart2_send(s, l))
#define usart2rx() (linerdy)
#define usart2ovr() (bufovr)
extern int linerdy, bufovr, txrdy;
void usart2_setup();
int usart2_getline(char **line);
TXstatus usart2_send(const char *str, int len);
TXstatus usart2_send_blocking(const char *str, int len);
#endif // __USART_H__

View File

@ -0,0 +1,75 @@
{
"board": {
"active_layer": 0,
"active_layer_preset": "",
"auto_track_width": true,
"hidden_nets": [],
"high_contrast_mode": 0,
"net_color_mode": 1,
"opacity": {
"pads": 1.0,
"tracks": 1.0,
"vias": 1.0,
"zones": 0.6
},
"ratsnest_display_mode": 0,
"selection_filter": {
"dimensions": true,
"footprints": true,
"graphics": true,
"keepouts": true,
"lockedItems": true,
"otherItems": true,
"pads": true,
"text": true,
"tracks": true,
"vias": true,
"zones": true
},
"visible_items": [
0,
1,
2,
3,
4,
5,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
32,
33,
34,
35,
36
],
"visible_layers": "fffffff_ffffffff",
"zone_display_mode": 0
},
"meta": {
"filename": "stm32.kicad_prl",
"version": 3
},
"project": {
"files": []
}
}

View File

@ -0,0 +1,320 @@
{
"board": {
"design_settings": {
"defaults": {
"board_outline_line_width": 0.1,
"copper_line_width": 0.2,
"copper_text_size_h": 1.5,
"copper_text_size_v": 1.5,
"copper_text_thickness": 0.3,
"other_line_width": 0.15,
"silk_line_width": 0.15,
"silk_text_size_h": 1.0,
"silk_text_size_v": 1.0,
"silk_text_thickness": 0.15
},
"diff_pair_dimensions": [],
"drc_exclusions": [],
"rules": {
"solder_mask_clearance": 0.0,
"solder_mask_min_width": 0.0
},
"track_widths": [],
"via_dimensions": []
},
"layer_presets": []
},
"boards": [],
"cvpcb": {
"equivalence_files": []
},
"erc": {
"erc_exclusions": [],
"meta": {
"version": 0
},
"pin_map": [
[
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
2,
0,
1,
0,
0,
1,
0,
2,
2,
2,
2
],
[
0,
0,
0,
0,
0,
0,
1,
0,
1,
0,
1,
2
],
[
0,
1,
0,
0,
0,
0,
1,
1,
2,
1,
1,
2
],
[
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
2
],
[
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
2
],
[
0,
0,
0,
1,
0,
0,
1,
0,
0,
0,
0,
2
],
[
0,
2,
1,
2,
0,
0,
1,
0,
2,
2,
2,
2
],
[
0,
2,
0,
1,
0,
0,
1,
0,
2,
0,
0,
2
],
[
0,
2,
1,
1,
0,
0,
1,
0,
2,
0,
0,
2
],
[
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2
]
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_label_syntax": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
"different_unit_footprint": "error",
"different_unit_net": "error",
"duplicate_reference": "error",
"duplicate_sheet_names": "error",
"extra_units": "error",
"global_label_dangling": "warning",
"hier_label_mismatch": "error",
"label_dangling": "error",
"lib_symbol_issues": "warning",
"multiple_net_names": "warning",
"net_not_bus_member": "warning",
"no_connect_connected": "warning",
"no_connect_dangling": "warning",
"pin_not_connected": "error",
"pin_not_driven": "error",
"pin_to_pin": "warning",
"power_pin_not_driven": "error",
"similar_labels": "warning",
"unannotated": "error",
"unit_value_mismatch": "error",
"unresolved_variable": "error",
"wire_dangling": "error"
}
},
"libraries": {
"pinned_footprint_libs": [],
"pinned_symbol_libs": []
},
"meta": {
"filename": "stm32.kicad_pro",
"version": 1
},
"net_settings": {
"classes": [
{
"bus_width": 12.0,
"clearance": 0.2,
"diff_pair_gap": 0.25,
"diff_pair_via_gap": 0.25,
"diff_pair_width": 0.2,
"line_style": 0,
"microvia_diameter": 0.3,
"microvia_drill": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.25,
"via_diameter": 0.8,
"via_drill": 0.4,
"wire_width": 6.0
}
],
"meta": {
"version": 2
},
"net_colors": null
},
"pcbnew": {
"last_paths": {
"gencad": "",
"idf": "",
"netlist": "",
"specctra_dsn": "",
"step": "",
"vrml": ""
},
"page_layout_descr_file": ""
},
"schematic": {
"annotate_start_num": 0,
"drawing": {
"default_line_thickness": 6.0,
"default_text_size": 50.0,
"field_names": [],
"intersheets_ref_own_page": false,
"intersheets_ref_prefix": "",
"intersheets_ref_short": false,
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.25,
"pin_symbol_size": 0.0,
"text_offset_ratio": 0.08
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 1
},
"net_format_name": "",
"ngspice": {
"fix_include_paths": true,
"fix_passive_vals": false,
"meta": {
"version": 0
},
"model_mode": 0,
"workbook_filename": ""
},
"page_layout_descr_file": "",
"plot_directory": "",
"spice_adjust_passive_values": false,
"spice_external_command": "spice \"%I\"",
"subpart_first_id": 65,
"subpart_id_separator": 0
},
"sheets": [],
"text_variables": {}
}

View File

@ -314,6 +314,7 @@
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_label_syntax": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
@ -406,7 +407,7 @@
}
],
"meta": {
"version": 0
"version": 2
},
"net_colors": null
},
@ -422,6 +423,7 @@
"page_layout_descr_file": ""
},
"schematic": {
"annotate_start_num": 0,
"drawing": {
"default_bus_thickness": 12.0,
"default_junction_size": 40.0,
@ -435,20 +437,24 @@
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.3,
"pin_symbol_size": 25.0,
"text_offset_ratio": 0.3
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 0
"version": 1
},
"net_format_name": "Pcbnew",
"ngspice": {
"fix_include_paths": true,
"fix_passive_vals": false,
"meta": {
"version": 0
},
"model_mode": 0
"model_mode": 0,
"workbook_filename": ""
},
"page_layout_descr_file": "",
"plot_directory": "",