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Added text mode

This commit is contained in:
KTOWN 2013-10-14 20:07:27 +02:00
parent 80b6373984
commit e86987d1c4
2 changed files with 114 additions and 12 deletions
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120
Adafruit_RA8875.cpp
View File

@ -212,8 +212,116 @@ uint16_t Adafruit_RA8875::width(void) { return _width; }
/**************************************************************************/
uint16_t Adafruit_RA8875::height(void) { return _height; }
/************************* Text Mode ***********************************/
/**************************************************************************/
/*!
Sets the display in text mode (as opposed to graphics mode)
*/
/**************************************************************************/
void Adafruit_RA8875::textMode(void)
{
/* Set text mode */
writeCommand(RA8875_MWCR0);
uint8_t temp = readData();
temp |= RA8875_MWCR0_TXTMODE; // Set bit 7
writeData(temp);
/* Select the internal (ROM) font */
writeCommand(0x21);
temp = readData();
temp &= ~((1<<7) | (1<<5)); // Clear bits 7 and 5
writeData(temp);
}
/**************************************************************************/
/*!
Sets the fore and background color when rendering text
@args foreColor[in] The RGB565 color to use when rendering the text
@args bgColor[in] The RGB565 colot to use for the background
*/
/**************************************************************************/
void Adafruit_RA8875::textColor(uint16_t foreColor, uint16_t bgColor)
{
/* Set Fore Color */
writeCommand(0x63);
writeData((foreColor & 0xf800) >> 11);
writeCommand(0x64);
writeData((foreColor & 0x07e0) >> 5);
writeCommand(0x65);
writeData((foreColor & 0x001f));
/* Set Background Color */
writeCommand(0x60);
writeData((bgColor & 0xf800) >> 11);
writeCommand(0x61);
writeData((bgColor & 0x07e0) >> 5);
writeCommand(0x62);
writeData((bgColor & 0x001f));
/* Clear transparency flag */
writeCommand(0x22);
uint8_t temp = readData();
temp &= ~(1<<6); // Clear bit 6
writeData(temp);
}
/**************************************************************************/
/*!
Sets the fore color when rendering text with a transparent bg
@args foreColor[in] The RGB565 color to use when rendering the text
*/
/**************************************************************************/
void Adafruit_RA8875::textTransparent(uint16_t foreColor)
{
/* Set Fore Color */
writeCommand(0x63);
writeData((foreColor & 0xf800) >> 11);
writeCommand(0x64);
writeData((foreColor & 0x07e0) >> 5);
writeCommand(0x65);
writeData((foreColor & 0x001f));
/* Set transparency flag */
writeCommand(0x22);
uint8_t temp = readData();
temp |= (1<<6); // Set bit 6
writeData(temp);
}
/**************************************************************************/
/*!
Renders some text on the screen when in text mode
@args buffer[in] The buffer containing the characters to render
@args len[in] The size of the buffer in bytes
*/
/**************************************************************************/
void Adafruit_RA8875::textWrite(uint8_t* buffer, uint16_t len)
{
writeCommand(RA8875_MRWC);
for (uint16_t i=0;i<len;i++)
{
writeData(buffer[i]);
}
}
/************************* Graphics ***********************************/
/**************************************************************************/
/*!
Sets the display in graphics mode (as opposed to text mode)
*/
/**************************************************************************/
void Adafruit_RA8875::graphicsMode(void) {
writeCommand(RA8875_MWCR0);
uint8_t temp = readData();
temp &= ~RA8875_MWCR0_TXTMODE; // bit #7
writeData(temp);
}
/**************************************************************************/
/*!
HW accelerated function to push a chunk of raw pixel data
@ -232,18 +340,6 @@ void Adafruit_RA8875::pushPixels(uint32_t num, uint16_t p) {
digitalWrite(_cs, HIGH);
}
/**************************************************************************/
/*!
Sets the display in graphics mode (as opposes to tet mode)
*/
/**************************************************************************/
void Adafruit_RA8875::graphicsMode(void) {
writeCommand(RA8875_MWCR0);
uint8_t temp = readData();
temp &= ~RA8875_MWCR0_TXTMODE; // bit #7
writeData(temp);
}
/**************************************************************************/
/*!
Sets the current X/Y position on the display before drawing

6
Adafruit_RA8875.h
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@ -60,6 +60,12 @@ class Adafruit_RA8875 : public Adafruit_GFX {
void displayOn(boolean on);
void sleep(boolean sleep);
/* Text functions */
void textMode(void);
void textColor(uint16_t foreColor, uint16_t bgColor);
void textTransparent(uint16_t foreColor);
void textWrite(uint8_t* buffer, uint16_t len);
void pushPixels(uint32_t num, uint16_t p);
void graphicsMode(void);
void setXY(uint16_t x, uint16_t y);