Kinetis Microcontrollers中的主题 Re: Configuration lost for TWR-K64F

Configuration lost for TWR-K64F

silent-dawn — Fri, 12 Jun 2020 16:39:43 GMT

When building the uTasker project for TWR-K64F, errors are reported by IDE. It shows undefined symbols RETAIN_LOADER_MODE, USB_HOST_POWER_CONFIG, USB_HOST_POWER_ON and USB_HOST_POWER_OFF. I find they are defined for K64F board, but no for TWR-K64F. However, these two boards are very similar, so I reused the macro definitions in the section of K64F.

I think maybe you could add these definitions to the source code in the config.h file.

IDE: mcuxpresso latest version.

Project: uTasker free commercial edition.

Re: Configuration lost for TWR-K64F

nxf58904 — Tue, 16 Jun 2020 07:50:09 GMT

Thanks for your sharing and suggestion. I will feed back to the relevant departments.

Jianyu:

Have a great day,
TIC

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Re: Configuration lost for TWR-K64F

mjbcswitzerland — Tue, 16 Jun 2020 11:56:14 GMT

If using the on-board USB host connection I think that these defines will be suitable (PTC9 needs to be set high to supply 5V USB power to the bus in host mode):

    #define K64_USB_ENABLE          PORTC_BIT9                           // active hgh to enable USB host 5V output
    #define USB_HOST_POWER_CONFIG() _CONFIG_DRIVE_PORT_OUTPUT_VALUE(C, (K64_USB_ENABLE), (0), (PORT_SRE_SLOW | PORT_DSE_HIGH)) // configure output in off state
    #define USB_HOST_POWER_ON()     _SETBITS(C, K64_USB_ENABLE)          // enable USB host 5V output to USB bus
    #define USB_HOST_POWER_OFF()    _CLEARBITS(C, K64_USB_ENABLE)        // disable USB host 5V output

The retain input is used to keep the processor in the serial loader after it has checked for new firmware on a memory stick. Usually the same input as used to force the serial loader is used, which would be

#define RETAIN_LOADER_MODE() FORCE_BOOT()
or

#define RETAIN_LOADER_MODE() (_READ_PORT_MASK(C, SWITCH_1) == 0)

Regards

Mark
[uTasker project developer for Kinetis and i.MX RT]

Re: Configuration lost for TWR-K64F

nxf58904 — Tue, 16 Jun 2020 16:06:26 GMT

Hi Mark,

Thank you for your help.

Jianyu:

Have a great day,
TIC

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