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I’m using a Silicon Labs SI4010-C2 and need a compact, well-commented C driver that lets the MCU talk to a zb25vq80 SPI flash. The immediate goal is straightforward data transfer: pull /CS low, clock out the command and 24-bit address, then return the requested bytes. No write or erase features are required right now—just reliable READ support so I can stream configuration data from flash at power-up. Scope • Create a standalone C source + header pair that drops into the Silicon Labs IDE project I already have. • Handle GPIO setup for the chip-select line, keeping timing within the device’s spec. • Implement at least one public function, e.g. uint8_t flash_read(uint32_t addr, uint8_t *buf, uint16_t len); The function should assert /CS, send 0x03 + address, read len bytes, de-assert /CS. • Follow zb25vq80 timing (tCSS, tCSH, max SPI 104 MHz) and the SI4010 SPI peripheral rules. • Compile cleanly with the default SI4010 toolchain (no warnings). • Include a quick test routine that reads 256 bytes from address 0x000000 and places them in RAM so I can verify on a logic analyser. Acceptance I will flash the produced hex, probe /CS, MOSI, MISO, SCK on my scope, and confirm the byte stream matches the datasheet. Once the read test passes and the code is commented clearly enough for me to extend later, the job is done.
Mã dự án: 40313623
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Drawing from my extensive seven-year experience as a programmer, I possess an expertise in C Programming that perfectly aligns with your project. Your need for a well-commented C driver to facilitate data transfer via the SI4010-C2 Microcontroller is precisely up my alley. Additionally, my skills extend to GPIO setup, timing, and handling of the zb25vq80 SPI flash and Silicon Labs IDE, which makes me uniquely capable of delivering all the functionality you require. Your search ends here! I am ready to put my hands-on experience in delivering real-time hardware-based C programming solutions at your disposal for this task - making me an ideal fit.
₹1.500 INR trong 7 ngày
4,9
4,9
8 freelancer chào giá trung bình ₹7.625 INR cho công việc này

I have experience working with SPI-based communication and flash memory interfacing. I will deliver a clean, reliable, and well-structured SPI read driver for your setup. My Deliverables: • Standalone C source + header file • Proper SPI + GPIO (/CS) handling as per timing specs • flash_read() implementation (0x03 + 24-bit address) • Test routine (read 256 bytes to RAM) • Code compiling without warnings on SI4010 toolchain I am ready to start and deliver a stable, testable driver quickly.
₹12.000 INR trong 7 ngày
3,2
3,2

Hi, SI4010 + ZB25VQ80 SPI flash READ driver — well-defined scope, clear acceptance criteria. Key points I’ll handle: — SI4010 has no hardware SPI peripheral, so the driver will be fully bit-banged GPIO: SCK, MOSI, MISO, /CS toggled manually with NOP-based delays to meet ZB25VQ80 tCSS/tCSH timing at the SI4010’s clock speed — 0x03 READ command: assert /CS → send command byte → send 24-bit address MSB-first → clock in len bytes → deassert /CS — exactly per datasheet — C51-compatible types (Keil toolchain) — no stdint.h assumptions; typedefs defined in the header if needed — Test routine reads 256 bytes from 0x000000 into a RAM buffer; you probe /CS + MOSI + MISO + SCK and confirm the byte stream — Clean compile, zero warnings, commented for extension One important question before I start: which GPIO pins on the SI4010 are you using for SCK/MOSI/MISO//CS — and do you already have the flash wired and powered on your test board?
₹10.000 INR trong 6 ngày
3,3
3,3

Dear undefined, I am excited to offer my expertise in C Programming and embedded systems for your project requiring a C SPI driver for the SI4010. With my experience in developing compact, well-commented C drivers and my proficiency in handling GPIO setup and timing constraints, I am confident in delivering a reliable READ support function for your MCU to communicate with the zb25vq80 SPI flash. I will ensure the C source + header pair seamlessly integrates into your existing Silicon Labs IDE project, meeting the SPI timing requirements and compiling cleanly with the default SI4010 toolchain. Additionally, I will provide a test routine to verify the byte stream matches the datasheet, ensuring the functionality meets your expectations. I look forward to collaborating with you to achieve the desired
₹8.000 INR trong 3 ngày
2,1
2,1

Hi, I can develop a compact, well-commented C driver for your Silicon Labs SI4010-C2 to interface with the zb25vq80 SPI flash. The driver will include: GPIO setup for the chip-select line, ensuring correct timing. A flash_read() function that reads configuration data reliably based on your description. Timing compliance with zb25vq80 specs (tCSS, tCSH, max SPI 104 MHz) and SI4010 SPI rules. Clean compilation with the default SI4010 toolchain and no warnings. A quick test routine to verify functionality by reading 256 bytes from address 0x000000. Once the code is confirmed with a logic analyzer and passes the test, I will provide you with the source and header files. Let’s get started on this!
₹7.000 INR trong 1 ngày
2,0
2,0

Hi Client, I’m Sean, Embedded C Developer with 8 years of experience, specializing in C, SPI, and Embedded Systems. I have delivered low-level drivers and boot-time firmware that reliably stream configuration from external flash into RAM. Previously I implemented a compact SPI flash bootloader that reads device configuration at power-up with deterministic timing. My approach is to provide a standalone .c/.h pair tailored for the SI4010 toolchain, implementing a clear public API such as uint8_t flash_read(uint32_t addr, uint8_t *buf, uint16_t len); and a small test routine to read 256 bytes from 0x000000. I will honor zb25vq80 timing (tCSS, tCSH, max SPI 104 MHz) and SI4010 peripheral constraints, and I can do this project perfectly. I typically deliver this scope in 4 days, including tests and a scope-verified hex and comments for easy extension. I will include unit-style tests, logging hooks, clean code and documentation, and adherence to basic OWASP-like secure coding practices for embedded firmware. Do you have a preferred GPIO pin for /CS and should the driver support both hardware SPI and a software bit-bang fallback for verification? Thanks, Sean
₹6.000 INR trong 4 ngày
0,0
0,0

Drawing from over nine years of experience in software development, I am proficient in C and well-versed with microcontroller systems. Having successfully developed drivers for various peripherals including SPI, I understand the importance of maintaining adherence to specified timings. Your requirement for a compact, well-commented C driver that ensures reliable READ support fits well within my skillset and experience. Moreover, I am no stranger to integrating new components into existing projects, which is crucial for your project's success. Alongside providing a standalone C source + header pair that can seamlessly drop into your Silicon Labs IDE project, I will meticulously handle the necessary GPIO setup to ensure optimal performance and compatible communication with your zs25vq80 SPI flash. What sets me apart further is my commitment to quality work and clear documentation. By delivering a perfectly compiled code free from errors or warnings, accompanied by a detailed set of comments, the code base will be easily extendable for future modifications while retaining its reliability. A quick test routine that verifies the correct byte stream against the datasheet complements my diligent approach towards providing flawless solutions. Thank you for considering my candidacy. Let's turn your ideas into reality!
₹15.000 INR trong 7 ngày
0,0
0,0

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