Requirements/how to program a WP76xx that is soldered to a custom board


#1

We are laying out a board for a customer using a WP76xx chip. There will be custom apps on the chip. Environment is Legato 17.11 .

UART 1 is brought out to other devices, so we can put a connector on that, using USB to RS232. Is there any other hardware or connections needed to program custom apps?


#2

Are you asking whether you can deploy apps to the wp76 by transferring them over UART1?


#3

Hi-

Not just apps. We’ll need to re-flash Yocto with a custom build that has SFTP, plus apps.

We brought UART1 out to a header, but the board was not designed for USB/CF3 support.

Thanks,
George-


#4

@dfrey

Another thing we are seeing is this. the block below just keeps repeating. Any ideas what’s up?

==============================================================
Format: Log Type - Time(microsec) - Message - Optional Info
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.BF.3.1.2-00079
S - IMAGE_VARIANT_STRING=LAATANAZA
S - OEM_IMAGE_VERSION_STRING=jenkins
S - Boot Config, 0x000002e1
B - 1216 - PBL, Start
B - 3720 - bootable_media_detect_entry, Start
B - 4416 - bootable_media_detect_success, Start
B - 4420 - elf_loader_entry, Start
B - 7873 - auth_hash_seg_entry, Start
B - 30971 - auth_hash_seg_exit, Start
B - 81112 - elf_segs_hash_verify_entry, Start
B - 127878 - PBL, End
B - 117181 - SBL1, Start
B - 166865 - pm_device_init, Start
B - 184586 - PM_SET_VAL:Skip
D - 16409 - pm_device_init, Delta
B - 185928 - boot_config_data_table_init, Start
D - 174948 - boot_config_data_table_init, Delta - (420 Bytes)
B - 364017 - CDT version:3,Platform ID:8,Major ID:1,Minor ID:0,Subtype:129
B - 370392 - sbl1_ddr_set_params, Start
B - 374113 - Pre_DDR_clock_init, Start
D - 213 - Pre_DDR_clock_init, Delta
D - 0 - sbl1_ddr_set_params, Delta
B - 386953 - pm_driver_init, Start
D - 4483 - pm_driver_init, Delta
B - 393145 - cpr_init, Start
D - 91 - cpr_init, Delta
B - 397811 - cpr_cx_mx_apc_vol_update, Start
D - 61 - cpr_cx_mx_apc_vol_update, Delta
B - 412970 - clock_init, Start
D - 152 - clock_init, Delta
B - 413183 - boot_flash_init, Start
B - 416477 - Error code 303e at boot_flash_dev_nand.c Line 606