EasyL1105 GUI Composer Demo: JSON interface between MSPM0 and PC GUI/technologies/embedded/b/blog/posts/easyl1105-gui-composer-demo-json-interface-between-mspm0-and-pc-guiTexas Instrument&#39;s GUI Composer can be used to design with LCD displays. But it also has a useful API for the MSPM0: JSON communication over UART. This is a low footprint mechanism where you can exchange data with a PC GUI, or with another ...en-USTelligent Community 12RE: EasyL1105 GUI Composer Demo: JSON interface between MSPM0 and PC GUIhttps://community.element14.com/technologies/embedded/b/blog/posts/easyl1105-gui-composer-demo-json-interface-between-mspm0-and-pc-guiTue, 21 Oct 2025 22:29:01 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:ed7d0f94-9bd5-472d-814e-9d45864f10e1shabaz1<p>Interesting! I just tried TI GUI Composer, it looks very neat (although there&#39;s a learning curve; I need to set aside some time to explore it).</p><img src="https://community.element14.com/aggbug?PostID=29286&AppID=7&AppType=Weblog&ContentType=0" width="1" height="1">RE: EasyL1105 GUI Composer Demo: JSON interface between MSPM0 and PC GUIhttps://community.element14.com/technologies/embedded/b/blog/posts/easyl1105-gui-composer-demo-json-interface-between-mspm0-and-pc-guiFri, 17 Oct 2025 10:46:31 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:ed7d0f94-9bd5-472d-814e-9d45864f10e1Jan Cumps0<p>A simple c program, run on my windows laptop, that sends JSON to the EasyL1105:</p> <p>[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:ce43fa07-357f-4cf1-b885-37a9a39e90ae:type=c_cpp&text=%2F%2F%20Serial%20library%0D%0A%23include%20%22serialib.h%22%0D%0A%23include%20%3Cunistd.h%3E%0D%0A%23include%20%3Cstdio.h%3E%0D%0A%0D%0A%0D%0A%23define%20SERIAL_PORT%20%22%5C%5C%5C%5C.%5C%5CCOM23%22%0D%0A%0D%0Aint%20main%28%29%0D%0A%7B%0D%0A%20%20%20%20serialib%20serial%3B%0D%0A%20%20%20%20char%20errorOpening%20%3D%20serial.openDevice%28SERIAL_PORT%2C%209600%29%3B%0D%0A%20%20%20%20if%20%28errorOpening%21%3D1%29%20return%20errorOpening%3B%0D%0A%20%20%20%20printf%20%28%22Successful%20connection%20to%20%25s%5Cn%22%2CSERIAL_PORT%29%3B%0D%0A%0D%0A%0D%0A%20%20%20%20%2F%2F%20Create%20the%20string%0D%0A%20%20%20%20char%20buffer%5B18%5D%20%3D%20%22%7B%5C%22bEnable%5C%22%3Atrue%7D%5Cn%22%3B%0D%0A%20%20%20%20serial.writeString%28buffer%29%3B%0D%0A%0D%0A%20%20%20%20serial.closeDevice%28%29%3B%0D%0A%0D%0A%20%20%20%20return%200%20%3B%0D%0A%7D]</p> <p>I made the firmware break where the payload gets JSON parsed. All works as expected, and the callback for my bEnable data point will get executed.</p> <p><img alt=" " height="395" src="/resized-image/__size/998x790/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-ed7d0f94-9bd5-472d-814e-9d45864f10e1/pastedimage1760698294775v1.png" width="499" /></p><img src="https://community.element14.com/aggbug?PostID=29286&AppID=7&AppType=Weblog&ContentType=0" width="1" height="1">RE: EasyL1105 GUI Composer Demo: JSON interface between MSPM0 and PC GUIhttps://community.element14.com/technologies/embedded/b/blog/posts/easyl1105-gui-composer-demo-json-interface-between-mspm0-and-pc-guiThu, 16 Oct 2025 19:49:59 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:ed7d0f94-9bd5-472d-814e-9d45864f10e1DAB0<p>Great post Jan.</p><img src="https://community.element14.com/aggbug?PostID=29286&AppID=7&AppType=Weblog&ContentType=0" width="1" height="1">