connecting almost all free pins from ESP32 to FPGA

(only 4 left unconnected)

README.md

@@ -68,7 +68,7 @@ section (thicker power lines, separately routed feedback)
     [x] Increase thickness of power lines (5V, 3.3V, 2.5V)
     [x] Compile a f32c bitstream using the schematics
     [x] Compile differential GPDI output
-    [ ] Connect more lines from ESP-32 to FPGA
+    [x] Connect more lines from ESP-32 to FPGA
     [x] Connect FPGA USB D+/D- with 1.5k pullup in USB 1.1 (full speed) mode
     [x] FPGA USB add 27 ohm + 3.6 V zener
     [x] Symmetrically place USB connectors left-right 

usb.bak

@@ -612,4 +612,8 @@ Connection ~ 2200 2850
 Wire Wire Line
 	2300 2900 2300 2750
 Connection ~ 2300 2750
+Text GLabel 8650 2450 0    60   Input ~ 0
+WIFI_GPIO15
+Text GLabel 8650 2550 0    60   Input ~ 0
+WIFI_GPIO16
 $EndSCHEMATC

usb.sch

@@ -613,5 +613,7 @@ Wire Wire Line
 	2300 2900 2300 2750
 Connection ~ 2300 2750
 Text GLabel 8650 2450 0    60   Input ~ 0
-WIFI_15
+WIFI_GPIO15
+Text GLabel 8650 2550 0    60   Input ~ 0
+WIFI_GPIO16
 $EndSCHEMATC

wifi.bak

@@ -251,7 +251,9 @@ J1_27+
 Text GLabel 6500 5850 3    60   Input ~ 0
 J1_27-
 Text GLabel 7200 5850 3    60   Input ~ 0
-WIFI_15
-Text Notes 7300 6450 0    60   ~ 0
-WIFI GPIO15 (HSPI_SS)\nconnected to \nBANK6 at "" page
+WIFI_GPIO15
+Text Notes 7550 6400 0    60   ~ 0
+WIFI GPIO15 (HSPI_SS)\nconnected to \nBANK6 on "usb" sheet
+Text GLabel 7750 5250 2    60   Input ~ 0
+WIFI_GPIO16
 $EndSCHEMATC

wifi.sch

@@ -251,7 +251,35 @@ J1_27+
 Text GLabel 6500 5850 3    60   Input ~ 0
 J1_27-
 Text GLabel 7200 5850 3    60   Input ~ 0
-WIFI_15
-Text Notes 7300 6450 0    60   ~ 0
-WIFI GPIO15 (HSPI_SS)\nconnected to \nBANK6 at "" page
+WIFI_GPIO15
+Text Notes 7550 6400 0    60   ~ 0
+WIFI GPIO15 (HSPI_SS)\nconnected to \nBANK6 on "usb" sheet
+Text GLabel 7750 5250 2    60   Input ~ 0
+WIFI_GPIO16
+$Comp
+L GND #PWR?
+U 1 1 59C1BF96
+P 7850 4150
+F 0 "#PWR?" H 7850 3900 50  0001 C CNN
+F 1 "GND" H 7850 4000 50  0000 C CNN
+F 2 "" H 7850 4150 50  0001 C CNN
+F 3 "" H 7850 4150 50  0001 C CNN
+	1    7850 4150
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	7750 4150 7850 4150
+$Comp
+L GND #PWR?
+U 1 1 59C1BFCC
+P 7850 4050
+F 0 "#PWR?" H 7850 3800 50  0001 C CNN
+F 1 "GND" H 7850 3900 50  0000 C CNN
+F 2 "" H 7850 4050 50  0001 C CNN
+F 3 "" H 7850 4050 50  0001 C CNN
+	1    7850 4050
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	7750 4050 7850 4050
 $EndSCHEMATC