Recent Updates
RP2040 UART in Baremetal
In this article, we will discuss how to use the UART on RP2040 in a bare metal application.
Paspberry Pi Pico, RP2040, ARM, Cortex M0+, Baremetal, UART, Serial communication, MCU
Compare RP2040 Executable Memory Regions and Load Program From Flash into SRAM
Compare RP2040 executable memory regions (flash XIP space, striped SRAM and banked SRAM). Discuss memory strategies, data hazard and structural hazard. Load program from flash into SRAM then execute from SRAM.
Paspberry Pi Pico, RP2040, ARM, Cortex M0+, Assembly, Baremetal, Memory, Memory structural hazard, Linker script, Virtual memory address, Load memory address, MCU
Switch RP2040 Clock Source in Baremetal: ROSC, XOSC and PLL
Compare the RP2040 clock sources, switch the clock source in bare metal.
Paspberry Pi Pico, RP2040, ARM, Cortex M0+, Assembly, Baremetal, Clock source, Clock tree, ROSC, Ring oscillator, XOSC, crystal oscillator, PLL, Phase locked loop, MCU
RP2040 Baremetal Dual-core Application and Core 1 Launch Protocol
Analysis the RP2040 Core 1 launch protocol. Launch core 1 in bare metal multi-processor application with minimum code.
Paspberry Pi Pico, RP2040, ARM, Cortex M0+, Assembly, Baremetal, Bootloader, MCU, Dualcore, Multi-processor
W25Q Flash and RP2040 SDK Bootloader in Baremetal
Analysis the W25Q flash memory communication and the RP2040 SDK 2nd stage bootloader in disassembled code from the perspective of an 8-bit MCU developer's view.
Paspberry Pi Pico, RP2040, Flash, W25Q, ARM, Cortex M0+, Assembly, Baremetal, Bootloader, MCU, XIP, SSI, SDK
Raspberry Pi Pico (RP2040) SRAM and Flash Programming
Program the Pico (RP2040) from the perspective of an 8-bit MCU developer’s view, focus on details in SRAM and flash memory programming.
Paspberry Pi Pico, RP2040, Flash, uf2, Linker script, ARM, Assembly, Baremetal, Bootloader, MCU, XIP
Keywords
AVR (14), ARM (13), RP2040 (12), Cortex M0+ (10), MCU (10), 汇编 (10), Assembly (9), 裸金属 (7), 单片机 (7), 树莓派Pico (6), Paspberry Pi Pico (6), Baremetal (6), UART (5), ATtiny (5), XIP (4), AVR-GCC (4), ABI (4), ISA (4), PDF (4), PCB (4), Bootloader (3), 引导程序 (3), Embedded system (3), MSC-51 (3), avr-asm (3), Linker script (2), 内存 (2), 链接脚本 (2), ROSC (2), XOSC (2), PLL (2), 闪存 (2), W25Q (2), SSI (2), SDK (2), Flash (2), uf2 (2), Bearweb (2), PHP (2), OOM (2), Accept-Language (2), Navigator.language (2), Alternative language (2), SEO (2), HTML (2), lang (2), hreflang (2), HTML dataset (2), AVR-AS (2), AVR-LD (2), C语言 (2), 编译器 (2), 程序二进制接口 (2), 指令集架构 (2), 嵌入式 (2), C language (2), disassembly (2), compiler (2), Application Binary Interface (2), Instruction Set Architecture (2), object file (2), embedded (2), Stack (2), 栈 (2), 内存结构 (2), Web app (2), WS2812 (2), LED (2), CH340 (2), CH340E (2), USB (2), Interface IC (2), 串口 (2), ATtiny25 (2), ATtiny24 (2), ATtiny441 (2), ATtiny261 (2), ATtiny2313 (2), ATtiny48 (2), 嵌入式系统 (2), a51 (2), GCC (2), SP (2), FP (2), 68hc11 (2), 6800 (2), ASCII (2), printf (2), C (2), ISR (2), ISR_NAKED (2), CNC (2), KiCad (2), FlatCAM (2), Gerber (2), 2N7002 (2), LL4148 (2), MODBUS (2), MODBUS RTU (2), PLC (2), CRC (2), 89C52 (2), 串口通讯 (1), Serial communication (1), Memory (1), Memory structural hazard (1), Virtual memory address (1), Load memory address (1), 内存结构冒险 (1), 虚拟地址 (1), 存储地址 (1), 时钟源 (1), 时钟树 (1), 环形振荡器 (1), 晶体振荡器 (1), 锁相环 (1), Clock source (1), Clock tree (1), Ring oscillator (1), crystal oscillator (1), Phase locked loop (1), Dualcore (1), Multi-processor (1), 双核 (1), 多核处理器 (1), Memory usage (1), Memory optimization (1), File size (1), Out of memory (1), Output buffer (1), RAM (1), stream (1), 内存占用 (1), 内存优化 (1), 文件大小 (1), 内存不足 (1), 输出缓冲 (1), 流 (1), 网站开发 (1), 多语言 (1), 自定义HTML元素 (1), Web dev (1), Multilingual (1), Custome HTML Element (1), 链接器 (1), 反汇编 (1), Assembly language (1), linker (1), Bare metal (1), Memory layout (1), Static variable (1), local variable (1), optimization (1), 反编译 (1), 静态变量 (1), 局部变量 (1), 优化 (1), 目标文件 (1), 嵌入式编程 (1), 切割 (1), 放大 (1), 切割大尺寸文件 (1), Web应用 (1), Tiling (1), Enlarge (1), Divide large file (1), LED stripe (1), Segment design (1), Parallel signal (1), LED灯条 (1), LED灯带 (1), 分区设计 (1), 并行数据 (1), 超声波 (1), 测距 (1), Function frame (1), Stack pointer (1), Frame pointer (1), 调用框架 (1), 栈指针 (1), 框架指针 (1), 工程图 (1), 标题栏 (1), 浏览器程序 (1), Engineering drawing (1), titleblock (1), 字符串 (1), microprocessor (1), string (1), memory structure (1), interrupt service routine (1), 中断 (1), PCB prototyping (1), PCB打样 (1), 电平转换器 (1), 电压 (1), N沟道场效应管 (1), 二极管 (1), 电路设计 (1), PCB走线 (1), Level shifter (1), voltage (1), NMOS (1), diode (1), circuit design (1), PCB layout (1), serial (1), industry control (1), 工业控制 (1), opengl (1), opengl es (1), gl (1), gles (1), glsl (1), dev (1), bug (1), Software (1), Communication (1), avr (1), fuse (1), atmega328 (1), arduino (1), calibrated RC clock (1), SoC (1), FPGA (1), AXI (1), DE-10 (1), Cyclone V (1), Arduino (1), ATmega328 (1), bootloader (1), ultrasonic sensor (1), distance measure (1), assembly (1), 51单片机 (1), MCS-51 (1), 辉光管 (1), 电子管 (1), 时钟 (1), Micro controller (1), Nixie tube (1), Clock (1),