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Jhd1313m1: add basic scroll functionality
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
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@ -55,6 +55,11 @@ namespace upm {
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#define LCD_BLINKON 0x01
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#define LCD_BLINKOFF 0x00
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// flags for display/cursor shift
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#define LCD_DISPLAYMOVE 0x08
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#define LCD_MOVERIGHT 0x04
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#define LCD_MOVELEFT 0x00
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// flags for function set
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#define LCD_8BITMODE 0x10
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#define LCD_4BITMODE 0x00
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@ -84,6 +84,14 @@ Jhd1313m1::setColor(uint8_t r, uint8_t g, uint8_t b)
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return MRAA_SUCCESS;
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}
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mraa_result_t
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Jhd1313m1::scroll(bool direction)
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{
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if (direction)
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return i2Cmd (m_i2c_lcd_control, (LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT));
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return i2Cmd (m_i2c_lcd_control, (LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT));
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}
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/*
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* **************
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* virtual area
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@ -37,6 +37,7 @@ class Jhd1313m1 : public I2CLcd {
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mraa_result_t setCursor (int row, int column);
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mraa_result_t clear ();
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mraa_result_t home ();
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mraa_result_t scroll (bool direction);
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private:
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int m_rgb_address;
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