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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-01-01 10:29:44 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-01-01 10:29:44 -0600 |
| commit | ebb35cf4af9c395e12f1a56a0d68655f50674168 (patch) | |
| tree | 1341e3c1ef856c5438eb3c1f52c1ffc3d8b8274e /nuttx/configs/pcduino-a10 | |
| parent | 4274c0fe3987e8c22176d249581888ff6da5db92 (diff) | |
| download | px4-nuttx-ebb35cf4af9c395e12f1a56a0d68655f50674168.tar.gz px4-nuttx-ebb35cf4af9c395e12f1a56a0d68655f50674168.tar.bz2 px4-nuttx-ebb35cf4af9c395e12f1a56a0d68655f50674168.zip | |
Make sure that the Z16F build still builds and runs
Diffstat (limited to 'nuttx/configs/pcduino-a10')
| -rw-r--r-- | nuttx/configs/pcduino-a10/README.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/nuttx/configs/pcduino-a10/README.txt b/nuttx/configs/pcduino-a10/README.txt index 28c51a0f3..f39f3eecd 100644 --- a/nuttx/configs/pcduino-a10/README.txt +++ b/nuttx/configs/pcduino-a10/README.txt @@ -101,6 +101,7 @@ Contents - Serial Console - LEDs - Buttons + - JTAG - Booting NuttX from an SD card pcDuino v1 Connectors @@ -250,6 +251,35 @@ Buttons SW4 Key_Home LCD1_D18/ATAD14/KP_OUT0/SMC_SLK/EINT18/CSI1_D18/PH18 SW5 Key_Menu LCD1_D19/ATAD15/KP_OUT1/SMC_SDA/EINT19/CSI1_D19/PH19 +JTAG +==== + + A. I didn't get success testing J-Link with pcDuino, it is reading TDI + always as 1. + + I think the main problem is because pcDuino JTAG doesn't have RESET + (no trst or srst). I tried to connect the JTAG reset to Power_Reset + of pcDuino, but it didn't work. + + B. Notice that the OlinuxIno JTAG does have a reset line called RESET_N. + But it is nothing special. It just connects to the RESET# pin C14 on + the A10. The pcDuino also brings out the RESET# on several connectors. + + So it seems like you could get the reset line if you need it, just not + from the set of JTAG pads. + + A. I discovered the issue in the JTAG, it was not working because + JTAG_SEL was not tied to GND. + + I compared the Olimex schematic with pcDuino and noticed there is a + R64 resister that is not placed in the board. + + It was a little bit difficult to find this resistor, because it is + "hidden" among the capacitors in the bottom of the board. + + After short circuiting the resistor PADs the JTAG started to work, + well, JLinkExe now recognize it, but OpenOCD is not working yet. + Booting NuttX from an SD card ============================= |