Lup Yuen Lee 李立源 @lupyuen@qoto.org

#PineTime's "Fallen ST7789 Lorry" builds OK on #BL602 yay!

https://github.com/lupyuen/bl_iot_sdk/blob/st7789/customer_app/sdk_app_st7789/sdk_app_st7789/display.c

Porting the #PineTime Fallen Lorry to #BL602 😂 ... Forgot the Lorry Joke 🤔

https://gitlab.com/lupyuen/pinetime_lvgl_mynewt/-/tree/master/src/pinetime

#ST7789 Code for #PineTime ... Tempted to copy and paste this for #BL602 🤔

https://github.com/lupyuen/pinetime-rust-mynewt/blob/master/libs/pinetime_boot/src/display.c#L205-L269

#BL602 Pins for #ST7789 SPI Display Controller ... Tentatively 🤔

https://github.com/lupyuen/bl_iot_sdk/blob/st7789/customer_app/sdk_app_st7789/sdk_app_st7789/demo.c#L45-L69

#PineCone #BL602 @PINE64 connected to #ST7789 SPI Display ... Running out of pins AND colours 🤔

https://lupyuen.github.io/articles/spi#whats-next

Yep CoolTerm works great with #BL602 on macOS ... Thanks Kongduino ! 👍

https://lupyuen.github.io/articles/led#appendix-fix-bl602-demo-firmware-for-macos

Soldering ST7789 Display ... Testing with #BL602 soon!

Duh silly me ... #BL602 DMA_MINC is explained in the STM32 docs!

https://www.st.com/content/ccc/resource/technical/document/user_manual/2f/71/ba/b8/75/54/47/cf/DM00105879.pdf/files/DM00105879.pdf/jcr:content/translations/en.DM00105879.pdf

Yep #BL602 DMA "Automatic Address Increment" makes more sense

https://lupyuen.github.io/articles/spi#lli_list_init-create-dma-linked-list

Google Search for "Automatic Address Accumulation" shows this DMA Patent by Microchip ... Coincidence? 🤔

https://patents.google.com/patent/TW201035770A/en

Aha #BL602 DMA "Automatic Address Accumulation" means "Automatic Address Increment" ... Quirky translation of "地址自动累加"

https://github.com/bouffalolab/bl_docs/tree/main/BL602_RM/zh_CN

What's #BL602 DMA "Automatic Address Accumulation" ? 🤔

https://lupyuen.github.io/articles/spi#lli_list_init-create-dma-linked-list

"Blackpink in your area" 😂

https://lupyuen.github.io/articles/spi#transfer-spi-data

#BL602 SPI lets you shape the SPI Clock

https://lupyuen.github.io/articles/spi#hal_spi_dma_init-init-spi-dma

#BL602 SPI Hardware Abstraction Layer explained

https://lupyuen.github.io/articles/spi#appendix-inside-bl602-spi-hal

Good Morning RAKwireless

https://store.rakwireless.com/products/wisblock-connected-box

Will #BL602 SPI Functions run on other #Embedded Operating Systems? Yes ... If we emulate these FreeRTOS Functions

https://lupyuen.github.io/articles/spi#port-bl602-spi-hal-to-other-operating-systems

How we use a Logic Analyser to troubleshoot #BL602 SPI Port

https://lupyuen.github.io/articles/spi#appendix-troubleshoot-bl602-spi-with-logic-analyser

How to test BME280 over SPI with Bus Pirate

https://lupyuen.github.io/articles/spi#appendix-test-bme280-spi-interface-with-bus-pirate

Too awesome .... Thank you so much RAKwireless ! 😀

https://store.rakwireless.com/products/wisblock-connected-box