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| author | bvernoux <bvernoux@gmail.com> | 2016-10-23 20:40:05 +0200 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2016-11-07 02:13:04 +0100 |
| commit | 8a170129b61b58eeb9d9b0b7915a006a65481d36 (patch) | |
| tree | 639115ae48fb7044bef7db020c02846810c53361 /spi/spiflash/fidelix_fm25q32/dualspi/README | |
| parent | b3dc55b2f391ac8749f97fc959e8bc257f9ed61c (diff) | |
| download | sigrok-dumps-8a170129b61b58eeb9d9b0b7915a006a65481d36.tar.gz sigrok-dumps-8a170129b61b58eeb9d9b0b7915a006a65481d36.zip | |
spiflash: Add DualSPI flash dump during a write in flash.
Diffstat (limited to 'spi/spiflash/fidelix_fm25q32/dualspi/README')
| -rw-r--r-- | spi/spiflash/fidelix_fm25q32/dualspi/README | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/spi/spiflash/fidelix_fm25q32/dualspi/README b/spi/spiflash/fidelix_fm25q32/dualspi/README new file mode 100644 index 0000000..541c979 --- /dev/null +++ b/spi/spiflash/fidelix_fm25q32/dualspi/README @@ -0,0 +1,59 @@ +------------------------------------------------------------------------------- +FIDELIX FM25Q32 +------------------------------------------------------------------------------- + +This is a set of example captures of a FIDELIX FM25Q32 SPI flash chip +(32MBit == 4Mbyte) that is read by ESP32. + +The first part is the 2nd-stage bootloader loaded from SPI flash (using +QuadSPI @ 10MHz). Then the 2nd-stage bootloader writes 02_blink to SPI flash. + +The SPI hardware used is ESP32 DevKitC (from ESPRESSIF). + +Details: +https://espressif.com/sites/default/files/documentation/esp32-devkitc_getting_started_guide_en.pdf +https://github.com/espressif/esp-idf + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a DreamSourceLab DSLogic (at 100MHz): + + Probe FM25Q32 pin + ----------------------- + 0 CS + 1 CLK + 2 MISO + 3 MOSI + + +Data +---- + +Output of esptool.py during flash (esp/esp-idf/examples/02_blink$ make flash): + +Flashing binaries to serial port /dev/ttyUSB0 (app at offset 0x10000)... +esptool.py v2.0-dev +Connecting... +Uploading stub... +Running stub... +Stub running... +Changing baud rate to 921600 +Changed. +Attaching SPI flash... +Configuring flash size... +Erasing flash... +Took 0.00s to erase flash block +Wrote 8192 bytes at 0x00001000 in 0.1 seconds (552.2 kbit/s)... +Hash of data verified. +Erasing flash... +Took 0.00s to erase flash block +Wrote 245760 bytes at 0x00010000 in 3.8 seconds (523.2 kbit/s)... +Hash of data verified. +Erasing flash... +Took 0.00s to erase flash block +Wrote 8192 bytes at 0x00004000 in 0.1 seconds (556.3 kbit/s)... +Hash of data verified. + +Leaving... |