Rename CDC demos to VirtualSerial.

[pub/USBasp.git] / Projects / AVRISP / AVRISP.txt

diff --git a/Projects/AVRISP/AVRISP.txt b/Projects/AVRISP/AVRISP.txt
index 2499763..c15c27f 100644 (file)
--- a/Projects/AVRISP/AVRISP.txt
+++ b/Projects/AVRISP/AVRISP.txt
@@ -54,14 +54,18 @@
  *  drivers. When promted, direct your OS to install Atmel's AVRISP-MKII drivers provided with AVRStudio.\r
  *\r
  *  Note that this design currently has several limitations:\r
- *    - Minimum target clock speed of 500KHz due to hardware SPI used\r
+ *    - Minimum ISP target clock speed of 500KHz due to hardware SPI used\r
  *    - No reversed/shorted target connector detection and notification\r
  *\r
- *  On AVR models with an ADC converter, ACC should be tied to 5V (e.g. VBUS) and the VTARGET_ADC_CHANNEL token should be\r
+ *  On AVR models with an ADC converter, AVCC should be tied to 5V (e.g. VBUS) and the VTARGET_ADC_CHANNEL token should be\r
  *  set to an appropriate ADC channel number in the project makefile for VTARGET detection to operate correctly. On models\r
  *  without an ADC converter, VTARGET will report at a fixed 5V level.\r
  *\r
- *  Connections to the device are simple:\r
+ *  When compiled for the XPLAIN board target, this will automatically configure itself for the correct connections to the\r
+ *  XPLAIN's XMEGA AVR, and will enable only PDI programming support.\r
+ *\r
+ *\r
+ *  Connections to the device for SPI programming (when enabled):\r
  *\r
  *  <table>\r
  *   <tr>\r
@@ -104,6 +108,47 @@
  *  <b><sup>1</sup></b> <i>Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only</i> \n\r
  *  <b><sup>2</sup></b> <i>See \ref SSec_Options section</i>\r
  *\r
+ *\r
+ *  Connections to the device for PDI programming (when enabled):\r
+ *\r
+ *  <table>\r
+ *   <tr>\r
+ *    <td><b>Programmer Pin:</b></td>\r
+ *    <td><b>Target Device Pin:</b></td>\r
+ *    <td><b>PDI 6 Pin Layout:</b></td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>MISO</td>\r
+ *    <td>DATA</td>\r
+ *    <td>1</td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>ADCx <b><sup>1</sup></b></td>\r
+ *    <td>VTARGET</td>\r
+ *    <td>2</td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>N/A</td>\r
+ *    <td>N/A</td>\r
+ *    <td>3</td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>N/A</td>\r
+ *    <td>N/A</td>\r
+ *    <td>4</td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>PORTx.y <b><sup>2</sup></b></td>\r
+ *    <td>CLOCK</td>\r
+ *    <td>5</td>\r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>GND</td>\r
+ *    <td>GND</td>\r
+ *    <td>6</td>\r
+ *   </tr>\r
+ *  </table>\r
+ *\r
  *  \section SSec_Options Project Options\r
  *\r
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.\r
@@ -117,24 +162,35 @@
  *   <tr>\r
  *    <td>RESET_LINE_PORT</td>\r
  *    <td>Makefile CDEFS</td>\r
- *    <td>PORT register for the programmer's target RESET line.</td>\r
+ *    <td>PORT register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>\r
  *   </tr>\r
  *   <tr>\r
  *    <td>RESET_LINE_DDR</td>\r
  *    <td>Makefile CDEFS</td>\r
- *    <td>DDR register for the programmer's target RESET line.</td>\r
+ *    <td>DDR register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>\r
  *   </tr>\r
  *   <tr>\r
  *    <td>RESET_LINE_MASK</td>\r
  *    <td>Makefile CDEFS</td>\r
  *    <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin</b>, as the\r
  *        target pins are tri-stated when not in use, and low signals on the /SS pin will force SPI slave mode when the\r
- *        pin is configured as an input.</td>\r
+ *        pin is configured as an input. When in PDI programming mode, this is the target clock pin.\r
+ *        <i>Ignored when compiled for the XPLAIN board.</i></td>\r
  *   </tr>\r
  *   <tr>\r
  *    <td>VTARGET_ADC_CHANNEL</td>\r
  *    <td>Makefile CDEFS</td>\r
  *    <td>ADC channel number (on supported AVRs) to use for VTARGET level detection.</td> \r
  *   </tr>\r
+ *   <tr>\r
+ *    <td>ENABLE_ISP_PROTOCOL</td>\r
+ *    <td>Makefile CDEFS</td>\r
+ *    <td>Define to enable SPI programming protocol support. <i>Ignored when compiled for the XPLAIN board.</i></td>  \r
+ *   </tr>\r
+ *   <tr>\r
+ *    <td>ENABLE_PDI_PROTOCOL</td>\r
+ *    <td>Makefile CDEFS</td>\r
+ *    <td>Define to enable XMEGA PDI programming protocol support. <i>Ignored when compiled for the XPLAIN board.</i></td>  \r
+ *   </tr>\r
  *  </table>\r
  */\r