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any commercial boot loader for STM32F103?

Question asked by HuiW on Apr 29, 2013
Latest reply on Apr 30, 2013 by Trevor
We need a boot loader for customers to update the firmware. The product can't provide the BOOT0 pin, so the ST build-in boot loader can't be used. I am wondering if any commercial boot loader by using UART is available. If we develop our own, is the Y modem protocol is a good choice? If using Y modem shown in AN2557, we can just implement PC side software,   Hyperterminal is not userface friendly.

We are in tight time schedule. Any suggestions would be really appreciated.