diff options
| -rw-r--r-- | nuttx/Documentation/NuttxPortingGuide.html | 27 | ||||
| -rw-r--r-- | nuttx/configs/README.txt | 12 | ||||
| -rw-r--r-- | nuttx/configs/mcu123-lpc214x/README.txt | 61 | ||||
| -rw-r--r-- | nuttx/configs/ntosd-dm320/README.txt | 50 |
4 files changed, 149 insertions, 1 deletions
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html index a2773bcde..56c56d53d 100644 --- a/nuttx/Documentation/NuttxPortingGuide.html +++ b/nuttx/Documentation/NuttxPortingGuide.html @@ -16,7 +16,7 @@ </b></big></h1> <p><small>by</small></p> <p>Gregory Nutt</p> - <p><small>Last Update: September 17, 2008</small></p> + <p><small>Last Update: October 1, 2008</small></p> </center> <center><h1>Table of Contents</h1></center> @@ -1627,6 +1627,31 @@ The system can be re-made subsequently by just typing <code>make</code>. </li> </ul> +<h2>USB device controller driver</h2> +<ul> + <li> + <code>CONFIG_USBDEV</code>: Enables USB device support + </li> + <li> + <code>CONFIG_USBDEV_ISOCHRONOUS</code>: Build in extra support for isochronous endpoints + </li> + <li> + <code>CONFIG_USBDEV_DUALSPEED</code>: Hardware handles high and full speed operation (USB 2.0) + </li> + <li> + <code>CONFIG_USBDEV_SELFPOWERED</code>: Will cause USB features to indicate that the device is self-powered + </li> + <li> + <code>CONFIG_USBDEV_MAXPOWER</code>: Maximum power consumption in mA + </li> + <li> + <code>CONFIG_USBDEV_TRACE</code>: Enables USB tracing for debug + </li> + <li> + <code>CONFIG_USBDEV_TRACE_NRECORDS</code>: Number of trace entries to remember + </li> +</ul> + <h2>Stack and heap information</h2> <ul> diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt index 492f1f1c6..ca3f44fa7 100644 --- a/nuttx/configs/README.txt +++ b/nuttx/configs/README.txt @@ -290,6 +290,18 @@ defconfig -- This is a configuration file similar to the Linux CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries + USB device controller driver + CONFIG_USBDEV - Enables USB device support + CONFIG_USBDEV_ISOCHRONOUS - Build in extra support for isochronous + endpoints + CONFIG_USBDEV_DUALSPEED -Hardware handles high and full speed + operation (USB 2.0) + CONFIG_USBDEV_SELFPOWERED - Will cause USB features to indicate + that the device is self-powered + CONFIG_USBDEV_MAXPOWER - Maximum power consumption in mA + CONFIG_USBDEV_TRACE - Enables USB tracing for debug + CONFIG_USBDEV_TRACE_NRECORDS - Number of trace entries to remember + Stack and heap information CONFIG_BOOT_FROM_FLASH - Some configurations support XIP diff --git a/nuttx/configs/mcu123-lpc214x/README.txt b/nuttx/configs/mcu123-lpc214x/README.txt index b960c4401..bab1758ee 100644 --- a/nuttx/configs/mcu123-lpc214x/README.txt +++ b/nuttx/configs/mcu123-lpc214x/README.txt @@ -30,11 +30,72 @@ Where <subdir> is one of the following: ostest ^^^^^^ + This configuration directory, performs a simple OS test using examples/ostest. nsh ^^^ + Configures the NuttShell (nsh) located at examples/nsh. The Configuration enables only the serial NSH interfaces. +Configuration Options +^^^^^^^^^^^^^^^^^^^^^ + +In additional to the common configuration options listed in the +file configs/README.txt, there are other configuration options +specific to the LPC214x: + + CONFIG_ARCH - identifies the arch subdirectory and, hence, the + processor architecture. + CONFIG_ARCH_name - for use in C code. This identifies the + particular chip or SoC that the architecture is implemented + in. + CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory + CONFIG_ARCH_CHIP_name - For use in C code + CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence, + the board that supports the particular chip or SoC. + CONFIG_ENDIAN_BIG - define if big endian (default is little endian) + CONFIG_ARCH_BOARD_name - for use in C code + CONFIG_BOARD_LOOPSPERMSEC - for delay loops + CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to lpc2148. + CONFIG_DRAM_SIZE - Describes the internal DRAM. + CONFIG_DRAM_START - The start address of internal DRAM + CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions + +LPC2148 specific chip initialization + + CONFIG_EXTMEM_MODE, CONFIG_RAM_MODE. CONFIG_CODE_BASE, CONFIG_PLL_SETUP, + CONFIG_MAM_SETUP, CONFIG_APBDIV_SETUP, CONFIG_EMC_SETUP,. CONFIG_BCFG0_SETUP, + CONFIG_BCFG1_SETUP, CONFIG_BCFG2_SETUP, CONFIG_BCFG3_SETUP, CONFIG_ADC_SETUP + +LPC214X UART device driver settings + + CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the + console and ttys0 (default is the UART0). + CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received. + This specific the size of the receive buffer + CONFIG_UARTn_TXBUFSIZE - Characters are buffered before + being sent. This specific the size of the transmit buffer + CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be + CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8. + CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity, 3=mark 1, 4=space 0 + CONFIG_UARTn_2STOP - Two stop bits + +LPC214X USB Configuration + + CONFIG_LPC214X_USBDEV_FRAME_INTERRUPT + Handle USB Start-Of-Frame events. + Enable reading SOF from interrupt handler vs. simply reading on demand. + Probably a bad idea... Unless there is some issue with sampling the SOF + from hardware asynchronously. + CONFIG_LPC214X_USBDEV_EPFAST_INTERRUPT + Enable high priority interrupts. I have no idea why you might want to + do that + CONFIG_LPC214X_USBDEV_NDMADESCRIPTORS + Number of DMA descriptors to allocate in the 8Kb USB RAM. This is a + tradeoff between the number of DMA channels that can be supported vs + the size of the DMA buffers available. + CONFIG_LPC214X_USBDEV_DMA + Enable lpc214x-specific DMA support diff --git a/nuttx/configs/ntosd-dm320/README.txt b/nuttx/configs/ntosd-dm320/README.txt index c569a51cc..03111148b 100644 --- a/nuttx/configs/ntosd-dm320/README.txt +++ b/nuttx/configs/ntosd-dm320/README.txt @@ -13,27 +13,77 @@ Where <subdir> is one of the following: ostest ^^^^^^ + This configuration directory, performs a simple OS test using examples/ostest. nsh ^^^ + Configures the NuttShell (nsh) located at examples/nsh. The Configuration enables both the serial and telnetd NSH interfaces. nettest ^^^^^^^ + This alternative configuration directory may be used to enable networking using the OSDs DM9000A Ethernet interface. It uses examples/nettest to excercise the TCP/IP network. uip ^^^ + This configuration file demonstrates the tiny webserver at examples/uip. udp ^^^ + This alternative configuration directory is similar to nettest except that is use examples/upd to exercise UDP. +Configuration Options +^^^^^^^^^^^^^^^^^^^^^ + +In additional to the common configuration options listed in the +file configs/README.txt, there are other configuration options +specific to the DM320: + + CONFIG_ARCH - identifies the arch subdirectory and, hence, the + processor architecture. + CONFIG_ARCH_name - for use in C code. This identifies the + particular chip or SoC that the architecture is implemented + in. + CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory + CONFIG_ARCH_CHIP_name - For use in C code + CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence, + the board that supports the particular chip or SoC. + CONFIG_ENDIAN_BIG - define if big endian (default is little endian) + CONFIG_ARCH_BOARD_name - for use in C code + CONFIG_BOARD_LOOPSPERMSEC - for delay loops + CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to lpc2148. + CONFIG_DRAM_SIZE - Describes the internal DRAM. + CONFIG_DRAM_START - The start address of internal DRAM + CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions + +DM320 specific device driver settings + + CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the + console and ttys0 (default is the UART0). + CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received. + This specific the size of the receive buffer + CONFIG_UARTn_TXBUFSIZE - Characters are buffered before + being sent. This specific the size of the transmit buffer + CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be + CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8. + CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity + CONFIG_UARTn_2STOP - Two stop bits + +DM320 USB Configuration + + CONFIG_DM320_GIO_USBATTACH + GIO that detects USB attach/detach events + CONFIG_DM320_GIO_USBDPPULLUP + GIO connected to D+. Support software connect/disconnect. + CONFIG_DMA320_USBDEV_DMA + Enable DM320-specific DMA support |