jaltamira 0 Posted March 27, 2015 Share Posted March 27, 2015 Hello, I have being working on getting a 20x4 LCD (HD44780) working on the CC3200 launchpad and have not been able to get it working. I have found a few posts with partial code and partial libraries but have not been able to find an SPI or I2C example that works. Does anyone have a working implementation of the HD44780 on the CC3200 in either I2C, Serial or SPI mode? This is seems to be the closest I have found ( https://github.com/remixed123/CC3200-hd44780-lcd ) ... but I am unable to get it working. If anyone has been able to get this working, could you send me a simple "hello world" example. Thanks in advance for any insights or suggestions. John Quote Link to post Share on other sites
bluehash 1,581 Posted March 27, 2015 Share Posted March 27, 2015 Hello, I have being working on getting a 20x4 LCD (HD44780) working on the CC3200 launchpad and have not been able to get it working. I have found a few posts with partial code and partial libraries but have not been able to find an SPI or I2C example that works. Does anyone have a working implementation of the HD44780 on the CC3200 in either I2C, Serial or SPI mode? This is seems to be the closest I have found ( https://github.com/remixed123/CC3200-hd44780-lcd ) ... but I am unable to get it working. If anyone has been able to get this working, could you send me a simple "hello world" example. Thanks in advance for any insights or suggestions. John Welcome! The guy who wrote that code is also here - @@Remixed123 Anyway, do you have scope to check the CLK clock? How about the display, is it 5V or 3.3V. The CC3200 has 3.3V I/O. Quote Link to post Share on other sites
jaltamira 0 Posted March 27, 2015 Author Share Posted March 27, 2015 Hi, thanks for the reply, I have reached out to @Remixed123 to see if he can assist. As for a scope .... unfortunately I don't have one handy, I have however ordered one which is about 6 weeks away. The LCD is a 5V display, but I had read that it 'should' work with the 3.3v CC3200 ... perhaps this is not the case. Hopefully @Remixed123 can confirm how he was able to get it working. Quote Link to post Share on other sites
Remixed123 13 Posted March 27, 2015 Share Posted March 27, 2015 Hi John and Bluehash, Just to clarify, I did not write the driver, I just forked the code into my Github. So unfortunately, I do not know anything about it. Glenn (yes this is the same Glenn). bluehash 1 Quote Link to post Share on other sites
jaltamira 0 Posted March 27, 2015 Author Share Posted March 27, 2015 Hi Glenn, sorry about that ... I didn't make the connection based on your handle. Perhaps the broader question to the community ..... Has anyone successfully used a HD47780 LCD with a CC3200 launhpad? Quote Link to post Share on other sites
bluehash 1,581 Posted March 28, 2015 Share Posted March 28, 2015 Probably not yet. Your best move forward is to get hold of a cheap 3.3V LCD. Quote Link to post Share on other sites
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