/******************************************************************************
* ID : 31.0
* Outline : ST7579_Write
* Include : ST7579_LCD.h
* Function Name: ST7579_Write
* Description : Write to the LCD using a Glyph Register value, to the Glyph
* data storage or run an LCD Glyph Command.
* Argument : aHandle - the Glyph handle setup by the LCD and Communications.
* : aRegister - specifies what to do.
* : aValue - data if required
* Return Value : 0=success, not 0= error
* Calling Functions : GlyphWrite
******************************************************************************/
T_glyphError ST7579_Write(T_glyphHandle aHandle, uint32_t aRegister, uint32_t aValue)
{
uint32_t pCounter;
uint32_t column;
uint32_t line;
const uint8_t *p_char;
uint8_t width;
uint8_t height;
const uint8_t *p_charData;
uint32_t page;
T_glyphError error = GLYPH_ERROR_ILLEGAL_OPERATION ;
T_glyphWorkspace *p_gw = (T_glyphWorkspace *)aHandle;
p_gw->iLCDAPI->iStatusRegister = GLYPH_STATUS_BUSY ;
switch (aRegister) {
case GLYPH_CHAR_X:
p_gw->iLCDAPI->iCharX_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_Y:
p_gw->iLCDAPI->iCharY_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_FONT:
p_gw->iLCDAPI->iCharFont = aValue;
switch (aValue) {
#ifdef USE_GLYPH_FONT_BITMAP
case GLYPH_FONT_BITMAP:
p_gw->iLCDAPI->iFont = Bitmaps_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_HELVR10
case GLYPH_FONT_HELVR10:
p_gw->iLCDAPI->iFont = FontHelvr10_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_8_BY_16
case GLYPH_FONT_8_BY_16:
p_gw->iLCDAPI->iFont = Font8x16_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_8_BY_8
case GLYPH_FONT_8_BY_8:
p_gw->iLCDAPI->iFont = Font8x8_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_WINFREE
case GLYPH_FONT_WINFREESYSTEM14_BY_16:
p_gw->iLCDAPI->iFont = FontWinFreeSystem14x16_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_5_BY_7
case GLYPH_FONT_5_BY_7:
p_gw->iLCDAPI->iFont = Fontx5x7_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_6_BY_13
case GLYPH_FONT_6_BY_13:
p_gw->iLCDAPI->iFont = Fontx6x13_table ;
break ;
#endif
}
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_DRAW_CMD:
switch (aValue) {
case 1:
ST7579_SetLine(p_gw, 0);
for (pCounter=0;pCounter<8;pCounter++) {
ST7579_SetPage(aHandle, pCounter);
ST7579_SetChar(aHandle, 0);
for (column=0; column<128; column++) {
p_gw->iCommAPI->iDataSend(0x00);
}
}
ST7579_SetPage(aHandle, 0);
ST7579_SetChar(aHandle, 0);
break;
case 2:
/* use reverse video to detect pixel changes */
ST7579_Send16bitsCommand(aHandle, LCD_DISPLAY_REVERSE);
break;
case 3:
/* use normal video to detect pixel changes */
ST7579_Send16bitsCommand(aHandle, LCD_DISPLAY_NORMAL);
break;
case 6:
for (pCounter=0;pCounter<8;pCounter++) {
ST7579_SetLine(aHandle, 0);
ST7579_SetChar(aHandle, 0);
ST7579_SetPage(aHandle, pCounter);
for (column=0;column<16;column++) {
p_gw->iCommAPI->iDataSend(0xFF);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
}
}
break;
case 7:
for (line=p_gw->iLCDAPI->iCharY_Position; line<=p_gw->iLCDAPI->iCharY2_Position; line+=8) {
ST7579_SetPage(aHandle, line/8);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=p_gw->iLCDAPI->iCharX_Position; column<=p_gw->iLCDAPI->iCharX2_Position; column++) {
p_gw->iCommAPI->iDataSend(0xFF);
}
}
break;
case 8:
for (line=p_gw->iLCDAPI->iCharY_Position; line<=p_gw->iLCDAPI->iCharY2_Position; line+=8) {
ST7579_SetPage(aHandle, line/8);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=p_gw->iLCDAPI->iCharX_Position; column<=p_gw->iLCDAPI->iCharX2_Position; column++) {
p_gw->iCommAPI->iDataSend(0x00);
}
}
break;
}
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_DRAW_CHAR:
p_char = p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
p_charData = &p_char[2];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
p_gw->iCommAPI->iDataSend(*p_charData);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_ERASE:
p_char = p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
p_gw->iCommAPI->iDataSend(0x00);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_INVERT_CHAR:
p_char = (uint8_t *)p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
p_charData = &p_char[2];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
// Output the inverted values to invert character
p_gw->iCommAPI->iDataSend(*p_charData ^ 0xFF);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE;
break;
case GLYPH_CHAR_X2:
p_gw->iLCDAPI->iCharX2_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_Y2:
p_gw->iLCDAPI->iCharY2_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_FRAME_RATE:
p_gw->iLCDAPI->iFrameRate = (int32_t)aValue ;
ST7579_SetFrameRate(aHandle, p_gw->iLCDAPI->iFrameRate) ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CONTRAST:
p_gw->iLCDAPI->iContrast = (int32_t)aValue ;
ST7579_SetVO_Range(aHandle, p_gw->iLCDAPI->iContrast) ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CONTRAST_BOOST:
p_gw->iLCDAPI->iContrastBoost = (int8_t)aValue ;
ST7579_SetSystemBiasBooster(aHandle, p_gw->iLCDAPI->iContrastBoost) ;
error = GLYPH_ERROR_NONE ;
break ;
}
p_gw->iLCDAPI->iStatusRegister = GLYPH_STATUS_READY ;
return error ;
}
/******************************************************************************
* ID : 31.0
* Outline : ST7579_Write
* Include : ST7579_LCD.h
* Function Name: ST7579_Write
* Description : Write to the LCD using a Glyph Register value, to the Glyph
* data storage or run an LCD Glyph Command.
* Argument : aHandle - the Glyph handle setup by the LCD and Communications.
* : aRegister - specifies what to do.
* : aValue - data if required
* Return Value : 0=success, not 0= error
* Calling Functions : GlyphWrite
******************************************************************************/
T_glyphError ST7579_Write(T_glyphHandle aHandle, uint16_t aRegister, uint16_t aValue)
{
uint16_t pCounter;
uint16_t column;
uint16_t line;
const uint8_t *p_char;
uint8_t width;
uint8_t height;
const uint8_t *p_charData;
uint16_t page;
T_glyphError error = GLYPH_ERROR_ILLEGAL_OPERATION ;
T_glyphWorkspace *p_gw = (T_glyphWorkspace *)aHandle;
uint8_t cmd = 0xFF;
p_gw->iLCDAPI->iStatusRegister = GLYPH_STATUS_BUSY ;
switch (aRegister) {
case GLYPH_CHAR_X:
p_gw->iLCDAPI->iCharX_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_Y:
p_gw->iLCDAPI->iCharY_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_FONT:
p_gw->iLCDAPI->iCharFont = aValue;
switch (aValue) {
#ifdef USE_GLYPH_FONT_BITMAP
case GLYPH_FONT_BITMAP:
p_gw->iLCDAPI->iFont = Bitmaps_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_HELVR10
case GLYPH_FONT_HELVR10:
p_gw->iLCDAPI->iFont = FontHelvr10_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_8_BY_16
case GLYPH_FONT_8_BY_16:
p_gw->iLCDAPI->iFont = Font8x16_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_8_BY_8
case GLYPH_FONT_8_BY_8:
p_gw->iLCDAPI->iFont = Font8x8_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_WINFREE
case GLYPH_FONT_WINFREESYSTEM14_BY_16:
p_gw->iLCDAPI->iFont = FontWinFreeSystem14x16_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_5_BY_7
case GLYPH_FONT_5_BY_7:
p_gw->iLCDAPI->iFont = Fontx5x7_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_6_BY_13
case GLYPH_FONT_6_BY_13:
p_gw->iLCDAPI->iFont = Fontx6x13_table ;
break ;
#endif
#ifdef USE_GLYPH_FONT_LOGOS
case GLYPH_FONT_LOGOS:
p_gw->iLCDAPI->iFont = Logos_table ;
break ;
#endif
}
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_DRAW_CMD:
switch (aValue) {
case 1:
ST7579_SetLine(p_gw, 0);
for (pCounter=0;pCounter<8;pCounter++) {
ST7579_SetPage(aHandle, pCounter);
ST7579_SetChar(aHandle, 0);
for (column=0; column<128; column++) {
p_gw->iCommAPI->iDataSend(0x00);
}
}
ST7579_SetPage(aHandle, 0);
ST7579_SetChar(aHandle, 0);
break;
case 2:
/* use reverse video to detect pixel changes */
ST7579_Send16bitsCommand(aHandle, LCD_DISPLAY_REVERSE);
break;
case 3:
/* use normal video to detect pixel changes */
ST7579_Send16bitsCommand(aHandle, LCD_DISPLAY_NORMAL);
break;
case 6:
for (pCounter=0;pCounter<8;pCounter++) {
ST7579_SetLine(aHandle, 0);
ST7579_SetChar(aHandle, 0);
ST7579_SetPage(aHandle, pCounter);
for (column=0;column<16;column++) {
p_gw->iCommAPI->iDataSend(0xFF);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
p_gw->iCommAPI->iDataSend(0x01);
}
}
break;
case 7: // Draw block
line = p_gw->iLCDAPI->iCharY_Position - (p_gw->iLCDAPI->iCharY_Position % 8); // Gets the nearest block boundary
cmd = 0xFF;
if (p_gw->iLCDAPI->iCharY_Position < (line + 8))
cmd &= (0xFF << (p_gw->iLCDAPI->iCharY_Position - line));
for ( ; line<=p_gw->iLCDAPI->iCharY2_Position; line+=8) {
ST7579_SetPage(aHandle, line/8);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
if ((line+8) > p_gw->iLCDAPI->iCharY2_Position) /* If we're ending midway through a line */
cmd &= (0xFF >> ((line+7) - p_gw->iLCDAPI->iCharY2_Position));
/* This code fills in the row column by column, one px at a time */
for (column=p_gw->iLCDAPI->iCharX_Position; column<=p_gw->iLCDAPI->iCharX2_Position; column++) {
p_gw->iCommAPI->iDataSend(cmd); // No_Clobber_Axes(cmd, column, line));
}
cmd = 0xFF;
}
break;
case 8: // Erase block
line = p_gw->iLCDAPI->iCharY_Position - (p_gw->iLCDAPI->iCharY_Position % 8);
cmd = 0x00;
if (p_gw->iLCDAPI->iCharY_Position < (line + 8))
cmd &= (0xFF << (p_gw->iLCDAPI->iCharY_Position - line));
for ( ; line<=p_gw->iLCDAPI->iCharY2_Position; line+=8) {
ST7579_SetPage(aHandle, line/8);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=p_gw->iLCDAPI->iCharX_Position; column<=p_gw->iLCDAPI->iCharX2_Position; column++) {
p_gw->iCommAPI->iDataSend(cmd); // No_Clobber_Axes(cmd, column, line));
}
}
break;
}
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_DRAW_CHAR:
p_char = p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
p_charData = &p_char[2];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
p_gw->iCommAPI->iDataSend(*p_charData);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_ERASE:
p_char = p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
p_gw->iCommAPI->iDataSend(0x00);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_INVERT_CHAR:
p_char = (uint8_t *)p_gw->iLCDAPI->iFont[aValue];
width = p_char[0];
height = p_char[1];
p_charData = &p_char[2];
for (page=0; page<height; page+=8) {
ST7579_SetPage(aHandle, (p_gw->iLCDAPI->iCharY_Position+page)>>3);
ST7579_SetChar(aHandle, p_gw->iLCDAPI->iCharX_Position);
for (column=0; column<width; column++, p_charData++) {
// Output the inverted values to invert character
p_gw->iCommAPI->iDataSend(*p_charData ^ 0xFF);
}
}
p_gw->iLCDAPI->iCharX_Position += width;
error = GLYPH_ERROR_NONE;
break;
case GLYPH_CHAR_X2:
p_gw->iLCDAPI->iCharX2_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CHAR_Y2:
p_gw->iLCDAPI->iCharY2_Position = aValue ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_FRAME_RATE:
p_gw->iLCDAPI->iFrameRate = (int8_t)aValue ;
ST7579_SetFrameRate(aHandle, p_gw->iLCDAPI->iFrameRate) ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CONTRAST:
p_gw->iLCDAPI->iContrast = (int8_t)aValue ;
ST7579_SetVO_Range(aHandle, p_gw->iLCDAPI->iContrast) ;
error = GLYPH_ERROR_NONE ;
break ;
case GLYPH_CONTRAST_BOOST:
p_gw->iLCDAPI->iContrastBoost = (int8_t)aValue ;
ST7579_SetSystemBiasBooster(aHandle, p_gw->iLCDAPI->iContrastBoost) ;
error = GLYPH_ERROR_NONE ;
break ;
}
p_gw->iLCDAPI->iStatusRegister = GLYPH_STATUS_READY ;
return error ;
}