MMDVM/MMDVMHost
1
0
Fork 0
mirror of https://github.com/g4klx/MMDVMHost synced 2025-12-24 18:25:40 +08:00
Code Issues Packages Projects Releases Wiki Activity

Make I2C address configurable for HD44780 LCD variations

Browse Source 
Also add a basic README with some pointers on how to connect and configure the LCDs
This commit is contained in:
Tony Corbett G0WFV
2016-06-30 20:10:30 +01:00
parent ef0ebb4d49
commit ce367f73cb
7 changed files with 72 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
HD44780.cpp
View File

@@ -36,7 +36,7 @@ char m_buffer2[128U];
char m_buffer3[128U];
char m_buffer4[128U];
CHD44780::CHD44780(unsigned int rows, unsigned int cols, const std::string& callsign, unsigned int dmrid, const std::vector<unsigned int>& pins, bool pwm, unsigned int pwmPin, unsigned int pwmBright, unsigned int pwmDim, bool displayClock, bool utc, bool duplex) :
CHD44780::CHD44780(unsigned int rows, unsigned int cols, const std::string& callsign, unsigned int dmrid, const std::vector<unsigned int>& pins, const std::string& i2cAddress, bool pwm, unsigned int pwmPin, unsigned int pwmBright, unsigned int pwmDim, bool displayClock, bool utc, bool duplex) :
CDisplay(),
m_rows(rows),
m_cols(cols),
@@ -48,6 +48,7 @@ m_d0(pins.at(2U)),
m_d1(pins.at(3U)),
m_d2(pins.at(4U)),
m_d3(pins.at(5U)),
m_i2cAddress(i2cAddress),
m_pwm(pwm),
m_pwmPin(pwmPin),
m_pwmBright(pwmBright),
@@ -239,7 +240,7 @@ bool CHD44780::open()
void CHD44780::adafruitLCDSetup()
{
// The other control pins are initialised with lcdInit()
::mcp23017Setup(AF_BASE, MCP23017);
::mcp23017Setup(AF_BASE, m_i2caddress);
// Backlight LEDs
::pinMode(AF_RED, OUTPUT);
@@ -311,7 +312,7 @@ void CHD44780::adafruitLCDColour(ADAFRUIT_COLOUR colour)
void CHD44780::pcf8574LCDSetup()
{
// Initalize PFC8574
::pcf8574Setup(AF_BASE, PCF8574);
::pcf8574Setup(AF_BASE, m_i2cAddress);
// Turn on backlight
::pinMode (AF_BL, OUTPUT);