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firstexample:boot_loader [2020/12/01 14:53] – ursgraf | firstexample:boot_loader [2020/12/09 21:37] – [Flashing a new Boot Loader] ursgraf | ||
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====== Boot Loader ====== | ====== Boot Loader ====== | ||
- | Your MicroZed boards need a default bootloader | + | Your MicroZed boards need a valid boot loader |
- | - Set the jumpers on your MicroZed board as follows \\ {{ :qspiboot.png? | + | ===== Check for Valid Boot Loader ===== |
+ | - Set the jumpers on your MicroZed board as follows \\ {{ qspiboot.png? | ||
- Cycle the power. The settings of the jumpers will be read only at power-on! Hence, make sure to cycle the supply power after changing the jumper settings. A soft reset (through the JTAG or by pressing the reset button on the board will reset the board but will not sample the boot mode pins connected to the jumpers. | - Cycle the power. The settings of the jumpers will be read only at power-on! Hence, make sure to cycle the supply power after changing the jumper settings. A soft reset (through the JTAG or by pressing the reset button on the board will reset the board but will not sample the boot mode pins connected to the jumpers. | ||
- | - Use a terminal program to open the COM port on J2. | + | - Use a terminal program to open the COM port on J2 (Baudrate '' |
- | - Press reset \\ {{ : | + | - Press reset \\ {{ microzed_reset.png? |
- Check if the blue '' | - Check if the blue '' | ||
- | - Check the output | + | - Check the output |
+ | - If one of the two checks fails you have to flash a new bootloader, see below. | ||
+ | ===== Flashing a new Boot Loader ===== | ||
+ | - Set the jumpers on your MicroZed board as follows \\ {{ jtagboot.png? | ||
+ | - Cycle the power. The settings of the jumpers will be read only at power-on! Hence, make sure to cycle the supply power after changing the jumper settings. A soft reset (through the JTAG or by pressing the reset button on the board will reset the board but will not sample the boot mode pins connected to the jumpers. | ||
+ | - Switch the driver for your JTAG-HS3 adapter to //FTDI CDM//, see [[https:// | ||
+ | - Open a command shell and run the command (Change the command so that the right configuration file is loaded, see [[https:// | ||
+ | - Switch the driver for the JTAG-HS3 back to //WinUSB//, see [[https:// |