Very good Matias! Indeed, registers definition is a boring part of creating a new NuttX port, your tool makes it a breeze!
BR, Alan On 7/3/20, Adam Feuer <a...@starcat.io> wrote: > Matias, > > This looks like it would be a lot of help bringing NuttX up on a new > microprocessor. Thanks! > > -adam > > On Fri, Jul 3, 2020 at 1:46 PM Matias N. <mat...@imap.cc> wrote: > >> Hi, >> I thought about doing this for a long time and I just did it, wasn't >> really hard. >> If you're not aware, CMSIS-SVD file format is an XML based definitions of >> peripherals and registers available in a given MCU. This is typically >> used >> for debugging but it is quite useful for generating header definitions. I >> wrote a quick python script that is able to generate register definitions >> and base addresses of peripherals. It is based on >> https://github.com/posborne/cmsis-svd which includes both the SVD python >> parser and a really complete database of SVD files. >> The tool is available here: https://gitlab.com/nuttx_projects/svdgen (be >> sure to check the README on how to use) >> >> Example output (the console output properly tabulates data, format may >> look broken in the email): >> >> Generate memory map: >> $ ./gen.py -v Nordic -d nrf51 -p map -x NRF51 >> >> #define NRF51_POWER_BASE 0x40000000 /* Power Control.*/ >> #define NRF51_CLOCK_BASE 0x40000000 /* Clock control.*/ >> #define NRF51_MPU_BASE 0x40000000 /* Memory Protection Unit.*/ >> #define NRF51_AMLI_BASE 0x40000000 /* AHB Multi-Layer Interface.*/ >> ... etc >> >> Register definitions: >> $ ./gen.py -v Nordic -d nrf51 -p RADIO -x NRF51 >> >> /* Register offsets >> *********************************************************/ >> >> #define NRF51_RADIO_TASKS_TXEN_OFFSET 0x000000 /* Enable radio in TX >> mode.*/ >> #define NRF51_RADIO_TASKS_RXEN_OFFSET 0x000004 /* Enable radio in RX >> mode.*/ >> #define NRF51_RADIO_TASKS_START_OFFSET 0x000008 /* Start radio.*/ >> #define NRF51_RADIO_TASKS_STOP_OFFSET 0x00000c /* Stop radio.*/ >> #define NRF51_RADIO_TASKS_DISABLE_OFFSET 0x000010 /* Disable radio.*/ >> ... etc >> >> /* Register definitions >> *****************************************************/ >> >> #define NRF51_RADIO_TASKS_TXEN (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_TXEN_OFFSET) >> #define NRF51_RADIO_TASKS_RXEN (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_RXEN_OFFSET) >> #define NRF51_RADIO_TASKS_START (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_START_OFFSET) >> #define NRF51_RADIO_TASKS_STOP (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_STOP_OFFSET) >> #define NRF51_RADIO_TASKS_DISABLE (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_DISABLE_OFFSET) >> #define NRF51_RADIO_TASKS_RSSISTART (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_RSSISTART_OFFSET) >> #define NRF51_RADIO_TASKS_RSSISTOP (NRF51_RADIO_BASE + >> NRF51_RADIO_TASKS_RSSISTOP_OFFSET) >> ... etc >> >> Best, >> Matias > > > > -- > Adam Feuer <a...@starcat.io> >
