Removed SCL line resistor to enable slave clock stretching

diff --git a/buildbotics_controller.pcb b/buildbotics_controller.pcb
index f4ec0a9072c08e13acb43de1fdbf69b72a7c270e..013cb2b3e451d7c3fcdd46bcd0389103ee318199 100644 (file)
--- a/buildbotics_controller.pcb
+++ b/buildbotics_controller.pcb
@@ -4060,20 +4060,6 @@ Element["" "0805_ext" "R/R16" "2.4k" 47.2500mm 14.0000mm -5.5600mm -0.3200mm 0 7
 
        )
 
-Element["" "0805_ext" "R/R12" "180" 47.2500mm 12.2500mm -5.4441mm -0.1461mm 0 75 ""]
-(
-       Attribute("device" "RESISTOR")
-       Attribute("manufacturer" "unknown")
-       Attribute("manufacturer_part_number" "unknown")
-       Attribute("vendor" "unknown")
-       Attribute("vendor_part_number" "unknown")
-       Pad[-1.3220mm 0.0000 -0.9820mm 0.0000 1.2000mm 0.6000mm 1.4000mm "1" "1" "square"]
-       Pad[0.9820mm 0.0000 1.3220mm 0.0000 1.2000mm 0.6000mm 1.4000mm "2" "2" "square,edge2"]
-       ElementLine [-3.93mil -27.55mil 3.93mil -27.55mil 0.2500mm]
-       ElementLine [-3.93mil 27.55mil 3.93mil 27.55mil 0.2500mm]
-
-       )
-
 Element["" "0805_ext" "R/R8" "180" 47.2500mm 19.2500mm -5.0091mm -0.4371mm 0 75 ""]
 (
        Attribute("device" "RESISTOR")
@@ -7801,7 +7787,7 @@ Layer(1 "top")
        Line[37.7500mm 38.7500mm 37.7500mm 40.0000mm 10.00mil 0.6000mm "clearline"]
        Line[33.5000mm 23.0000mm 42.2500mm 14.2500mm 10.00mil 0.6000mm "clearline"]
        Line[42.2500mm 14.2500mm 45.5000mm 14.2500mm 10.00mil 0.6000mm "clearline"]
-       Line[46.2500mm 13.5000mm 46.2500mm 12.5000mm 10.00mil 0.6000mm "clearline"]
+       Line[46.2500mm 13.5000mm 47.5000mm 12.2500mm 10.00mil 0.6000mm "clearline"]
        Line[34.7500mm 24.5000mm 34.7500mm 26.0000mm 10.00mil 0.6000mm "clearline"]
        Line[44.2500mm 29.7500mm 45.5000mm 29.7500mm 10.00mil 0.6000mm "clearline"]
        Line[46.2500mm 30.2500mm 46.2500mm 31.0000mm 10.00mil 0.6000mm "clearline"]
@@ -8558,7 +8544,7 @@ Layer(1 "top")
        Line[9.7500mm 11.2500mm 8.5000mm 10.0000mm 10.00mil 20.00mil "clearline"]
        Line[21.7500mm 15.2500mm 18.7500mm 12.2500mm 10.00mil 20.00mil "clearline"]
        Line[18.7500mm 12.2500mm 18.7500mm 11.2500mm 10.00mil 20.00mil "clearline"]
-       Line[48.5000mm 12.2500mm 59.0000mm 12.2500mm 10.00mil 20.00mil "clearline"]
+       Line[47.5000mm 12.2500mm 59.0000mm 12.2500mm 10.00mil 20.00mil "clearline"]
        Line[59.0000mm 12.2500mm 60.0000mm 11.2500mm 10.00mil 20.00mil "clearline"]
        Line[60.0000mm 11.2500mm 61.0000mm 11.2500mm 10.00mil 20.00mil "clearline"]
        Line[61.0000mm 11.2500mm 62.0000mm 12.2500mm 10.00mil 20.00mil "clearline"]
@@ -11188,19 +11174,19 @@ NetList()
                Connect("R/I2C-3")
                Connect("R/U4-9")
        )
-       Net("H/unnamed_net256" "(unknown)")
+       Net("H/unnamed_net255" "(unknown)")
        (
                Connect("H/C17-2")
                Connect("H/R8-1")
                Connect("H/U6-4")
        )
-       Net("H/unnamed_net257" "(unknown)")
+       Net("H/unnamed_net256" "(unknown)")
        (
                Connect("H/C15-2")
                Connect("H/R6-1")
                Connect("H/U6-1")
        )
-       Net("H/unnamed_net258" "(unknown)")
+       Net("H/unnamed_net257" "(unknown)")
        (
                Connect("H/C1-1")
                Connect("H/C2-2")
@@ -11209,7 +11195,7 @@ NetList()
                Connect("H/R19-2")
                Connect("H/U6-7")
        )
-       Net("H/unnamed_net259" "(unknown)")
+       Net("H/unnamed_net258" "(unknown)")
        (
                Connect("H/C16-2")
                Connect("H/R1-1")
@@ -11217,7 +11203,7 @@ NetList()
                Connect("H/U6-2")
                Connect("H/U6-3")
        )
-       Net("H/unnamed_net260" "(unknown)")
+       Net("H/unnamed_net259" "(unknown)")
        (
                Connect("H/C2-1")
                Connect("H/C3-2")
@@ -11226,112 +11212,112 @@ NetList()
                Connect("H/R19-1")
                Connect("H/U6-6")
        )
-       Net("H/unnamed_net261" "(unknown)")
+       Net("H/unnamed_net260" "(unknown)")
        (
                Connect("H/L1-2")
                Connect("H/R4-2")
        )
-       Net("H/unnamed_net262" "(unknown)")
+       Net("H/unnamed_net261" "(unknown)")
        (
                Connect("H/L1-3")
                Connect("H/R5-2")
        )
-       Net("H/unnamed_net263" "(unknown)")
+       Net("H/unnamed_net262" "(unknown)")
        (
                Connect("H/C14-2")
                Connect("H/J4-12")
                Connect("H/R24-1")
        )
-       Net("H/unnamed_net264" "(unknown)")
+       Net("H/unnamed_net263" "(unknown)")
        (
                Connect("H/C13-2")
                Connect("H/J4-24")
                Connect("H/R23-1")
        )
-       Net("H/unnamed_net265" "(unknown)")
+       Net("H/unnamed_net264" "(unknown)")
        (
                Connect("H/C12-2")
                Connect("H/J4-11")
                Connect("H/R22-1")
        )
-       Net("H/unnamed_net266" "(unknown)")
+       Net("H/unnamed_net265" "(unknown)")
        (
                Connect("H/C11-2")
                Connect("H/J4-23")
                Connect("H/R21-1")
        )
-       Net("H/unnamed_net267" "(unknown)")
+       Net("H/unnamed_net266" "(unknown)")
        (
                Connect("H/C10-2")
                Connect("H/J4-10")
                Connect("H/R20-1")
        )
-       Net("H/unnamed_net268" "(unknown)")
+       Net("H/unnamed_net267" "(unknown)")
        (
                Connect("H/C9-2")
                Connect("H/J4-22")
                Connect("H/R18-1")
        )
-       Net("H/unnamed_net269" "(unknown)")
+       Net("H/unnamed_net268" "(unknown)")
        (
                Connect("H/C8-2")
                Connect("H/J4-9")
                Connect("H/R17-1")
        )
-       Net("H/unnamed_net270" "(unknown)")
+       Net("H/unnamed_net269" "(unknown)")
        (
                Connect("H/C21-2")
                Connect("H/J4-21")
                Connect("H/R16-1")
        )
-       Net("H/unnamed_net271" "(unknown)")
+       Net("H/unnamed_net270" "(unknown)")
        (
                Connect("H/C7-2")
                Connect("H/J4-8")
                Connect("H/R15-1")
        )
-       Net("H/unnamed_net272" "(unknown)")
+       Net("H/unnamed_net271" "(unknown)")
        (
                Connect("H/J4-6")
                Connect("H/J4-20")
                Connect("H/R25-1")
        )
-       Net("H/unnamed_net273" "(unknown)")
+       Net("H/unnamed_net272" "(unknown)")
        (
                Connect("H/J4-18")
                Connect("H/R26-1")
        )
-       Net("H/unnamed_net274" "(unknown)")
+       Net("H/unnamed_net273" "(unknown)")
        (
                Connect("H/C6-2")
                Connect("H/J4-5")
                Connect("H/R14-1")
        )
-       Net("H/unnamed_net275" "(unknown)")
+       Net("H/unnamed_net274" "(unknown)")
        (
                Connect("H/C20-2")
                Connect("H/J4-17")
                Connect("H/R13-1")
        )
-       Net("H/unnamed_net276" "(unknown)")
+       Net("H/unnamed_net275" "(unknown)")
        (
                Connect("H/C5-2")
                Connect("H/J4-4")
                Connect("H/R12-1")
        )
-       Net("H/unnamed_net277" "(unknown)")
+       Net("H/unnamed_net276" "(unknown)")
        (
                Connect("H/C19-2")
                Connect("H/J4-16")
                Connect("H/R11-1")
        )
-       Net("H/unnamed_net278" "(unknown)")
+       Net("H/unnamed_net277" "(unknown)")
        (
                Connect("H/C4-2")
                Connect("H/J4-3")
                Connect("H/R10-1")
        )
-       Net("H/unnamed_net279" "(unknown)")
+       Net("H/unnamed_net278" "(unknown)")
        (
                Connect("H/C18-2")
                Connect("H/J4-15")
@@ -11391,32 +11377,32 @@ NetList()
                Connect("R/SERIAL-2")
                Connect("R/U4-8")
        )
-       Net("M/unnamed_net250" "(unknown)")
+       Net("M/unnamed_net249" "(unknown)")
        (
                Connect("M/C33-2")
                Connect("M/U5-58")
                Connect("M/X1-1")
        )
-       Net("M/unnamed_net251" "(unknown)")
+       Net("M/unnamed_net250" "(unknown)")
        (
                Connect("M/C34-2")
                Connect("M/U5-59")
                Connect("M/X1-2")
        )
-       Net("M/unnamed_net252" "(unknown)")
+       Net("M/unnamed_net251" "(unknown)")
        (
                Connect("M/ISP-4")
        )
-       Net("M/unnamed_net253" "(unknown)")
+       Net("M/unnamed_net252" "(unknown)")
        (
                Connect("M/ISP-1")
                Connect("M/U5-56")
        )
-       Net("M/unnamed_net254" "(unknown)")
+       Net("M/unnamed_net253" "(unknown)")
        (
                Connect("M/ISP-3")
        )
-       Net("M/unnamed_net255" "(unknown)")
+       Net("M/unnamed_net254" "(unknown)")
        (
                Connect("M/U5-54")
        )
@@ -11874,53 +11860,47 @@ NetList()
                Connect("R/U4-5")
        )
        Net("R/unnamed_net233" "(unknown)")
-       (
-               Connect("R/R12-1")
-               Connect("R/R16-2")
-               Connect("R/U4-7")
-       )
-       Net("R/unnamed_net234" "(unknown)")
        (
                Connect("R/C10-2")
                Connect("R/R13-2")
                Connect("R/U4-15")
        )
-       Net("R/unnamed_net235" "(unknown)")
+       Net("R/unnamed_net234" "(unknown)")
        (
                Connect("R/R23-2")
                Connect("R/U4-14")
        )
-       Net("R/unnamed_net236" "(unknown)")
+       Net("R/unnamed_net235" "(unknown)")
        (
                Connect("R/C1-2")
                Connect("R/R14-2")
                Connect("R/U4-13")
        )
-       Net("R/unnamed_net237" "(unknown)")
+       Net("R/unnamed_net236" "(unknown)")
        (
                Connect("R/C2-2")
                Connect("R/R17-2")
                Connect("R/U4-12")
        )
-       Net("R/unnamed_net238" "(unknown)")
+       Net("R/unnamed_net237" "(unknown)")
        (
                Connect("R/R2-2")
                Connect("R/R19-2")
                Connect("R/U4-11")
        )
-       Net("R/unnamed_net239" "(unknown)")
+       Net("R/unnamed_net238" "(unknown)")
        (
                Connect("R/LCD-3")
                Connect("R/LV0/Q1-3")
                Connect("R/LV0/R2-2")
        )
-       Net("R/unnamed_net244" "(unknown)")
+       Net("R/unnamed_net243" "(unknown)")
        (
                Connect("R/LV1/Q1-2")
                Connect("R/LV1/R1-2")
                Connect("R/R6-1")
        )
-       Net("R/unnamed_net245" "(unknown)")
+       Net("R/unnamed_net244" "(unknown)")
        (
                Connect("R/LCD-4")
                Connect("R/LV1/Q1-3")
@@ -11940,8 +11920,9 @@ NetList()
        Net("rpi_scl_1" "(unknown)")
        (
                Connect("R/R6-2")
-               Connect("R/R12-2")
+               Connect("R/R16-2")
                Connect("R/RPI-5")
+               Connect("R/U4-7")
        )
        Net("rpi_sda_1" "(unknown)")
        (

diff --git a/rpi_bus.sch b/rpi_bus.sch
index 93a718533bea1740f4890af025c3d18637c0439a..3df8d835e5fd8cb51d4ceca09ee42e2a0b4b5cb0 100644 (file)
--- a/rpi_bus.sch
+++ b/rpi_bus.sch
@@ -270,7 +270,7 @@ T 55625 43450 5 10 1 1 0 0 1
 net=scl:1
 }
 N 47600 44300 49800 44300 4
-N 47600 43500 49800 43500 4
+N 46900 43500 49800 43500 4
 C 54000 45400 1 270 0 resistor.sym
 {
 T 54400 45100 5 10 0 0 270 0 1
@@ -736,21 +736,6 @@ description=130pF 50V Ceramic Capacitor C0G, NP0 0805
 }
 N 47900 44500 47900 43000 4
 N 47900 42400 47900 42600 4
-C 47800 43400 1 0 1 resistor.sym
-{
-T 47500 43800 5 10 0 0 0 6 1
-device=RESISTOR
-T 47800 43400 5 10 0 0 0 6 1
-footprint=0805_ext
-T 47200 43525 5 10 1 1 0 6 1
-refdes=R12
-T 47825 43525 5 10 1 1 0 6 1
-value=180
-T 47800 43400 5 10 0 0 0 0 1
-model=RMCF0805JT180R
-T 47800 43400 5 10 0 0 0 0 1
-description=RES SMD 180 OHM 5% 1/8W 0805
-}
 C 47800 43800 1 0 1 resistor.sym
 {
 T 47500 44200 5 10 0 0 0 6 1
@@ -799,7 +784,6 @@ description=RES SMD 180 OHM 5% 1/8W 0805
 }
 N 46900 44100 47200 44100 4
 N 46900 43900 47200 43900 4
-N 46900 43500 47200 43500 4
 C 47800 44400 1 0 1 resistor.sym
 {
 T 47500 44800 5 10 0 0 0 6 1