Verified the sure-pic32mx/usbnsh configuration

configs/sure-pic32mx/README.txt

@@ -837,12 +837,13 @@ Where <subdir> is one of the following:
 
         CONFIG_USBDEV=y               : NuttX USB device support is enabled
         CONFIG_PIC32MX_USBDEV=y       : The PIC32MX USB device driver is built
+        CONFIG_DEV_CONSOLE=n          : /dev/console does not exist on power up
         CONFIG_UART1_SERIAL_CONSOLE=n : There is no serial console
         CONFIG_UART2_SERIAL_CONSOLE=n :
         CONFIG_CDCACM=y               : The CDC/ACM serial device class is enabled
         CONFIG_CDCACM_CONSOLE=y       : The CDC/ACM serial device is the console
 
-      Using the Prolifics PL2303 Emulation
+    3. Using the Prolifics PL2303 Emulation
 
       You could also use the non-standard PL2303 serial device instead of
       the standard CDC/ACM serial device by changing:
@@ -856,3 +857,64 @@ Where <subdir> is one of the following:
       to use the PL2303 driver with a Windows host because it should
       automatically install the PL2303 driver (you might have to go through
       some effort to get Windows to recognize the CDC/ACM device).
+
+    4. Since this configuration is current set for the "DB_DP11215 PIC32
+       Storage Demo Board," USART2 is available and is configured to used as
+       the SYSLOG device.  That means that all debug output will be directed
+       out USART2.  Debug output is not enabled by default, however, so these
+       settings do nothing until you enable debug ouput.
+
+        Device Drivers -> System Logging Device Options:
+          CONFIG_SYSLOG=y             : Configure SYSLOG output
+          CONFIG_SYSLOG_CHAR=y
+          CONFIG_SYSLOG_DEVPATH="/dev/ttyS0"
+
+        System Type -> PIC32MX Peripheral Support:
+          CONFIG_PIC32MX_UART2=y      : Enable UART2
+
+        Device Drivers -> Serial Driver Support:
+          CONFIG_UART2_2STOP=0        : UART2 configuration
+          CONFIG_UART2_BAUD=115200
+          CONFIG_UART2_BITS=8
+          CONFIG_UART2_PARITY=0
+          CONFIG_UART2_RXBUFSIZE=64
+          CONFIG_UART2_TXBUFSIZE=64
+
+    5. If you want to try this configuration on the DB-DP11212 PIC32 General
+       Purpose Demo Board", here are the changes that you should make:
+
+        Board Configuration:
+           CONFIG_ARCH_DBDP11215=n    : Disable the DB-DP11215
+           CONFIG_ARCH_DBDP11212=y    : Enable the DB-DP11212
+
+        System Type -> PIC32MX Peripheral Support:
+           CONFIG_PIC32MX_UART2=n     : Disable UART2
+
+        Device Drivers -> System Logging Device Options:
+           CONFIG_SYSLOG=n            : Disable SYSLOG output
+
+    6. Enabling USB monitor SYSLOG output.  If tracing is enabled, the USB
+       device will save encoded trace output in in-memory buffer; if the
+       USB monitor is enabled, that trace buffer will be periodically
+       emptied and dumped to the system loggin device (UART2 in this
+       configuraion):
+
+
+        Device Drivers -> "USB Device Driver Support:
+          CONFIG_USBDEV_TRACE=y                   : Enable USB trace feature
+          CONFIG_USBDEV_TRACE_NRECORDS=128        : Buffer 128 records in memory
+
+        Application Configuration -> NSH LIbrary:
+          CONFIG_NSH_USBDEV_TRACE=n               : No builtin tracing from NSH
+          CONFIG_NSH_ARCHINIT=y                   : Automatically start the USB monitor
+
+        Application Configuration -> System NSH Add-Ons:
+          CONFIG_SYSTEM_USBMONITOR=y              : Enable the USB monitor daemon
+          CONFIG_SYSTEM_USBMONITOR_STACKSIZE=2048 : USB monitor daemon stack size
+          CONFIG_SYSTEM_USBMONITOR_PRIORITY=50    : USB monitor daemon priority
+          CONFIG_SYSTEM_USBMONITOR_INTERVAL=2     : Dump trace data every 2 seconds
+          CONFIG_SYSTEM_USBMONITOR_TRACEINIT=y    : Enable TRACE output
+          CONFIG_SYSTEM_USBMONITOR_TRACECLASS=y
+          CONFIG_SYSTEM_USBMONITOR_TRACETRANSFERS=y
+          CONFIG_SYSTEM_USBMONITOR_TRACECONTROLLER=y
+          CONFIG_SYSTEM_USBMONITOR_TRACEINTERRUPTS=y

configs/sure-pic32mx/nsh/defconfig

@@ -393,8 +393,8 @@ CONFIG_UART2_SERIAL_CONSOLE=y
 #
 # UART2 Configuration
 #
-CONFIG_UART2_RXBUFSIZE=256
-CONFIG_UART2_TXBUFSIZE=256
+CONFIG_UART2_RXBUFSIZE=64
+CONFIG_UART2_TXBUFSIZE=64
 CONFIG_UART2_BAUD=115200
 CONFIG_UART2_BITS=8
 CONFIG_UART2_PARITY=0

configs/sure-pic32mx/usbnsh/defconfig

@@ -307,7 +307,7 @@ CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2012
 CONFIG_START_MONTH=3
 CONFIG_START_DAY=6
-CONFIG_DEV_CONSOLE=y
+# CONFIG_DEV_CONSOLE is not set
 # CONFIG_MUTEX_TYPES is not set
 # CONFIG_PRIORITY_INHERITANCE is not set
 # CONFIG_FDCLONE_DISABLE is not set
@@ -395,8 +395,8 @@ CONFIG_NO_SERIAL_CONSOLE=y
 #
 # UART2 Configuration
 #
-CONFIG_UART2_RXBUFSIZE=256
-CONFIG_UART2_TXBUFSIZE=256
+CONFIG_UART2_RXBUFSIZE=64
+CONFIG_UART2_TXBUFSIZE=64
 CONFIG_UART2_BAUD=115200
 CONFIG_UART2_BITS=8
 CONFIG_UART2_PARITY=0
@@ -476,7 +476,9 @@ CONFIG_CDCACM_PRODUCTSTR="CDC/ACM Serial"
 # System Logging
 #
 # CONFIG_SYSLOG_ENABLE is not set
-# CONFIG_SYSLOG is not set
+CONFIG_SYSLOG=y
+CONFIG_SYSLOG_CHAR=y
+CONFIG_SYSLOG_DEVPATH="/dev/ttyS0"
 
 #
 # Graphics Support

drivers/lcd/README.txt

@@ -199,10 +199,15 @@ that makes then less re-usable:
 
     configs/skp16c26/src/up_lcd.c.  Untested alphanumeric LCD driver.
     configs/pcblogic-pic32mx/src/up_lcd1602.c. LCD1602 is based on the
-      Hitachi HD44780U LCD controller (untested).  See also
-      include/nuttx/lcd/hd4478ou.h.
-    configs/sure-pic32mx/src/up_lcd1602.c. Another LCD1602-like segment
-      LCD.
+      Hitachi HD44780U LCD controller.  This version of the driver
+      uses the PIC32MX PMP interface to control the LCD.  As of this
+      writing, has *NOT* been verfied (mostly because I get bewildered
+      by all of the jumper wires).  See include/nuttx/lcd/hd4478ou.h
+      for more information about LCD1602.
+    configs/sure-pic32mx/src/up_lcd1602.c. Another LCD1602 segment
+      LCD.  This is a bit-bang version of the driver and appears to
+      be fully functional.  This version of the LCD1602 driver has
+      been verified and is working fine.
     configs/stm32ldiscovery/src/stm32_lcd.c.  1x6 segment LCD with bars
       using the segment LCD controller built-into the STM32L15X.