Before you ever need to flash new firmware, back up your existing one. This creates a safety net.
[1] Labrosse, J. (2013). MicroC/OS-II: The Real-Time Kernel. CRC Press.
[2] ARM Ltd. (2021). ARM Cortex-M4 Technical Reference Manual.
[3] Pritom Engineering. (2025). Firmware Design Guide for IoT Devices. Internal whitepaper.
[4] OTA Alliance. (2024). Best Practices for Secure Firmware Updates in Embedded Systems.
Pritom Firmware uses a cooperative, priority-based round-robin scheduler. Tasks are defined as pritom_task_t with a period and function pointer. Idle task invokes low-power sleep modes. pritom firmware
Static allocation is enforced throughout Pritom Firmware to prevent heap fragmentation. All task stacks are allocated at compile time. A memory pool is provided for message buffers, but its size is fixed at build time.
Memory layout (typical): | Region | Start | End | Size | Content | |---------------|---------|---------|--------|--------------------------| | Bootloader | 0x08000000 | 0x08003FFF | 16 KB | PBL, CRC table | | Application | 0x08004000 | 0x0801FFFF | 112 KB | Firmware image | | Backup slot | 0x08020000 | 0x0803FFFF | 128 KB | OTA fallback | | Config sector | 0x0803F000 | 0x0803FFFF | 4 KB | Device settings, keys | Before you ever need to flash new firmware,
Warning: Flashing firmware carries risks. If done incorrectly, you can permanently damage your tablet (hard brick). Proceed at your own risk.
Before you begin, ensure you have the following tools ready: MediaTek USB Drivers: Most Pritom tablets use MediaTek
If your Pritom tablet is completely unresponsive:
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