I was able to use all features successfully (graphing, drawing, text, LEDs, change fonts, on/off/clear, etc.).
Then I started playing around with baud rates and flow control settings, since my application was sending data too quickly.
Occasionally this would result in the module freezing up. So I would turn it off, hold in the bottom left button, and turn it back on again to do a manual reset. And the module would come back, and it would display the Matrix Orbital text/logo that it does at default.
But I must have changed some setting / deleted something / corrupted something, because now when I do a manual reset, the Matrix Orbital default no longer shows up. Also, I can no longer send / display text. I am still able to draw lines / pixels and turn the display on/off, clear the display, and change the LED colors.
I have tried wiping the filesystem and reloading fonts. However, I may have loaded fonts incorrectly. I cannot install/use mogd# for various reasons, so I tried to generate the necessary data from the font files available on the Matrix Orbital site.
For instance, this is the data I sent for the SmallFilled font:
Code: Select all
{0x06, 0x07, 0x1c, 0x7f, \
0x01, 0x30, 0x06, \
0x01, 0x36, 0x06, \
0x01, 0x3c, 0x06, \
0x01, 0x42, 0x06, \
0x01, 0x48, 0x06, \
0x01, 0x4e, 0x06, \
0x01, 0x54, 0x06, \
0x01, 0x5a, 0x06, \
0x01, 0x60, 0x06, \
0x01, 0x66, 0x06, \
0x01, 0x6c, 0x06, \
0x01, 0x72, 0x06, \
0x01, 0x78, 0x06, \
0x01, 0x7e, 0x06, \
0x01, 0x84, 0x06, \
0x01, 0x8a, 0x06, \
0x01, 0x90, 0x06, \
0x01, 0x96, 0x06, \
0x01, 0x9c, 0x06, \
0x01, 0xa2, 0x06, \
0x01, 0xa8, 0x06, \
0x01, 0xae, 0x06, \
0x01, 0xb4, 0x06, \
0x01, 0xba, 0x06, \
0x01, 0xc0, 0x06, \
0x01, 0xc6, 0x06, \
0x01, 0xcc, 0x06, \
0x01, 0xd2, 0x06, \
0x01, 0xd8, 0x06, \
0x01, 0xde, 0x06, \
0x01, 0xe4, 0x06, \
0x01, 0xea, 0x06, \
0x01, 0xf0, 0x06, \
0x01, 0xf6, 0x06, \
0x01, 0xfc, 0x06, \
0x02, 0x02, 0x06, \
0x02, 0x08, 0x06, \
0x02, 0x0e, 0x06, \
0x02, 0x14, 0x06, \
0x02, 0x1a, 0x06, \
0x02, 0x20, 0x06, \
0x02, 0x26, 0x06, \
0x02, 0x2c, 0x06, \
0x02, 0x32, 0x06, \
0x02, 0x38, 0x06, \
0x02, 0x3e, 0x06, \
0x02, 0x44, 0x06, \
0x02, 0x4a, 0x06, \
0x02, 0x50, 0x06, \
0x02, 0x56, 0x06, \
0x02, 0x5c, 0x06, \
0x02, 0x62, 0x06, \
0x02, 0x68, 0x06, \
0x02, 0x6e, 0x06, \
0x02, 0x74, 0x06, \
0x02, 0x7a, 0x06, \
0x02, 0x80, 0x06, \
0x02, 0x86, 0x06, \
0x02, 0x8c, 0x06, \
0x02, 0x92, 0x06, \
0x02, 0x98, 0x06, \
0x02, 0x9e, 0x06, \
0x02, 0xa4, 0x06, \
0x02, 0xaa, 0x06, \
0x02, 0xb0, 0x06, \
0x02, 0xb6, 0x06, \
0x02, 0xbc, 0x06, \
0x02, 0xc2, 0x06, \
0x02, 0xc8, 0x06, \
0x02, 0xce, 0x06, \
0x02, 0xd4, 0x06, \
0x02, 0xda, 0x06, \
0x02, 0xe0, 0x06, \
0x02, 0xe6, 0x06, \
0x02, 0xec, 0x06, \
0x02, 0xf2, 0x06, \
0x02, 0xf8, 0x06, \
0x02, 0xfe, 0x06, \
0x03, 0x04, 0x06, \
0x03, 0x0a, 0x06, \
0x03, 0x10, 0x06, \
0x03, 0x16, 0x06, \
0x03, 0x1c, 0x06, \
0x03, 0x22, 0x06, \
0x03, 0x28, 0x06, \
0x03, 0x2e, 0x06, \
0x03, 0x34, 0x06, \
0x03, 0x3a, 0x06, \
0x03, 0x40, 0x06, \
0x03, 0x46, 0x06, \
0x03, 0x4c, 0x06, \
0x03, 0x52, 0x06, \
0x03, 0x58, 0x06, \
0x03, 0x5e, 0x06, \
0x03, 0x64, 0x06, \
0x03, 0x6a, 0x06, \
0x03, 0x70, 0x06, \
0x03, 0x76, 0x06, \
0x03, 0x7c, 0x06, \
0x03, 0x82, 0x06, \
0x9d, 0xb6, 0xe7, 0xff, 0xff, 0xc0, 0xbe, 0x78, 0xe1, 0x8e, 0x7b, 0xc0, 0xff, 0x78, 0xe3, 0x04, \
0x1f, 0xc0, 0xfc, 0x10, 0x63, 0x8f, 0x7f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, 0x7d, \
0xf7, 0xff, 0xfd, 0xc0, 0xae, 0xba, 0xff, 0xff, 0xff, 0xc0, 0xae, 0xb0, 0x6b, 0x06, 0xba, 0xc0, \
0xde, 0x15, 0xe3, 0xd4, 0x3d, 0xc0, 0x3c, 0xde, 0xf7, 0xbd, 0x9e, 0x40, 0x9d, 0xb5, 0xef, 0x55, \
0xb9, 0x40, 0x9f, 0x7b, 0xff, 0xff, 0xff, 0xc0, 0xef, 0x7b, 0xef, 0xbf, 0x7e, 0xc0, 0xbf, 0x7e, \
0xfb, 0xef, 0x7b, 0xc0, 0xff, 0x75, 0x63, 0x57, 0x7f, 0xc0, 0xff, 0x7d, 0xc1, 0xdf, 0x7f, 0xc0, \
0xff, 0xff, 0xff, 0x9f, 0x7b, 0xc0, 0xff, 0xff, 0xc1, 0xff, 0xff, 0xc0, 0xff, 0xff, 0xff, 0xfe, \
0x79, 0xc0, 0xff, 0xde, 0xf7, 0xbd, 0xff, 0xc0, 0x8d, 0xd6, 0x55, 0x35, 0xd8, 0xc0, 0xde, 0x7d, \
0xf7, 0xdf, 0x78, 0xc0, 0x8d, 0xdf, 0x7b, 0xde, 0xf0, 0x40, 0x07, 0xbd, 0xfb, 0xf5, 0xd8, 0xc0, \
0xef, 0x3a, 0xdb, 0x07, 0xbe, 0xc0, 0x05, 0xf0, 0xfd, 0xf5, 0xd8, 0xc0, 0xce, 0xf7, 0xc3, 0x75, \
0xd8, 0xc0, 0x07, 0xde, 0xf7, 0xbe, 0xfb, 0xc0, 0x8d, 0xd7, 0x63, 0x75, 0xd8, 0xc0, 0x8d, 0xd7, \
0x61, 0xf7, 0xb9, 0xc0, 0xfe, 0x79, 0xff, 0x9e, 0x7f, 0xc0, 0xfe, 0x79, 0xff, 0x9f, 0x7b, 0xc0, \
0xef, 0x7b, 0xdf, 0xbf, 0x7e, 0xc0, 0xff, 0xf0, 0x7f, 0x07, 0xff, 0xc0, 0xbf, 0x7e, 0xfd, 0xef, \
0x7b, 0xc0, 0x8d, 0xdf, 0x7b, 0xdf, 0xfd, 0xc0, 0x8d, 0xdf, 0x65, 0x55, 0x58, 0xc0, 0x8d, 0xd7, \
0x5d, 0x05, 0xd7, 0x40, 0x0d, 0xd7, 0x43, 0x75, 0xd0, 0xc0, 0x8d, 0xd7, 0xdf, 0x7d, 0xd8, 0xc0, \
0x1d, 0xb7, 0x5d, 0x75, 0xb1, 0xc0, 0x05, 0xf7, 0xc3, 0x7d, 0xf0, 0x40, 0x05, 0xf7, 0xc3, 0x7d, \
0xf7, 0xc0, 0x8d, 0xd7, 0xd1, 0x75, 0xd8, 0x40, 0x75, 0xd7, 0x41, 0x75, 0xd7, 0x40, 0x8f, 0x7d, \
0xf7, 0xdf, 0x78, 0xc0, 0xc7, 0xbe, 0xfb, 0xed, 0xb9, 0xc0, 0x75, 0xb5, 0xcf, 0x5d, 0xb7, 0x40, \
0x7d, 0xf7, 0xdf, 0x7d, 0xf0, 0x40, 0x74, 0x95, 0x55, 0x75, 0xd7, 0x40, 0x75, 0xd3, 0x55, 0x65, \
0xd7, 0x40, 0x8d, 0xd7, 0x5d, 0x75, 0xd8, 0xc0, 0x0d, 0xd7, 0x43, 0x7d, 0xf7, 0xc0, 0x8d, 0xd7, \
0x5d, 0x55, 0xb9, 0x40, 0x0d, 0xd7, 0x43, 0x5d, 0xb7, 0x40, 0x85, 0xf7, 0xe3, 0xf7, 0xd0, 0xc0, \
0x07, 0x7d, 0xf7, 0xdf, 0x7d, 0xc0, 0x75, 0xd7, 0x5d, 0x75, 0xd8, 0xc0, 0x75, 0xd7, 0x5d, 0x76, \
0xbd, 0xc0, 0x75, 0xd7, 0x5d, 0x55, 0x5a, 0xc0, 0x75, 0xda, 0xf7, 0xad, 0xd7, 0x40, 0x75, 0xd7, \
0x6b, 0xdf, 0x7d, 0xc0, 0x07, 0xde, 0xf7, 0xbd, 0xf0, 0x40, 0x8e, 0xfb, 0xef, 0xbe, 0xf8, 0xc0, \
0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xc0, 0x8f, 0xbe, 0xfb, 0xef, 0xb8, 0xc0, 0xde, 0xb7, 0x7f, 0xff, \
0xff, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x40, 0xbf, 0x7e, 0xff, 0xff, 0xff, 0xc0, 0xff, 0xf8, \
0xfd, 0x85, 0xd8, 0x40, 0x7d, 0xf4, 0xcd, 0x75, 0xd0, 0xc0, 0xff, 0xf8, 0xdd, 0x7d, 0xd8, 0xc0, \
0xf7, 0xd9, 0x59, 0x75, 0xd8, 0x40, 0xff, 0xf8, 0xdd, 0x05, 0xf8, 0xc0, 0xce, 0xdb, 0xc7, 0xbe, \
0xfb, 0xc0, 0xfe, 0x17, 0x5d, 0x87, 0xd8, 0xc0, 0x7d, 0xf4, 0xcd, 0x75, 0xd7, 0x40, 0xdf, 0xf9, \
0xf7, 0xdf, 0x78, 0xc0, 0xef, 0xfc, 0xfb, 0xed, 0xb9, 0xc0, 0x7d, 0xf6, 0xd7, 0x3d, 0x76, 0xc0, \
0x9f, 0x7d, 0xf7, 0xdf, 0x78, 0xc0, 0xff, 0xf2, 0xd5, 0x55, 0xd7, 0x40, 0xff, 0xf4, 0xcd, 0x75, \
0xd7, 0x40, 0xff, 0xf8, 0xdd, 0x75, 0xd8, 0xc0, 0xff, 0xf0, 0xdd, 0x0d, 0xf7, 0xc0, 0xff, 0xf9, \
0x59, 0x87, 0xdf, 0x40, 0xff, 0xf4, 0xcd, 0x7d, 0xf7, 0xc0, 0xff, 0xf8, 0xdf, 0x8f, 0xd8, 0xc0, \
0xbe, 0xf1, 0xef, 0xbe, 0xdc, 0xc0, 0xff, 0xf7, 0x5d, 0x75, 0x99, 0x40, 0xff, 0xf7, 0x5d, 0x76, \
0xbd, 0xc0, 0xff, 0xf7, 0x5d, 0x55, 0x5a, 0xc0, 0xff, 0xf7, 0x6b, 0xde, 0xb7, 0x40, 0xff, 0xf7, \
0x5d, 0x87, 0xd8, 0xc0, 0xff, 0xf0, 0x7b, 0xde, 0xf0, 0x40, 0xef, 0x7d, 0xef, 0xdf, 0x7e, 0xc0, \
0xdf, 0x7d, 0xf7, 0xdf, 0x7d, 0xc0, 0xbf, 0x7d, 0xfb, 0xdf, 0x7b, 0xc0, 0xff, 0x7e, 0xc1, 0xef, \
0x7f, 0xc0, 0xff, 0x7b, 0xc1, 0xbf, 0x7f, 0xc0, }
Thanks!