MSP430 SERIAL BOOTLOADER UPGRADE
I'd like to add the ability to upgrade firmware via the software UART. On a new design of mine I plan to implement a software UART with two GPIO pins of a '149 so as to leave the hardware UARTs free for other purposes. The hardware interface is needed to first invoke the BSL entry sequence at RST and TEST pins (see. Almost cheaper than buying an USB/serial converter with TTL outputs.
The LaunchPad is a convenient way to connect a MSP with serial BSL to a PC through USB. The MSP430-BSL is a collaboration between Olimex LTD and Texas Instruments. The MSP430-BSL Programmer ('BSL Rocket') is a bridge between the MSP430 BSL and a USB connection to a PC.
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