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Implemented writeStream functions for S6D1121

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Nomenclature change lld_ prefix to low level functions
This commit is contained in:
Kumar Abhishek 2012-06-19 21:40:13 +05:30
parent 07d992ea1d
commit 24648e2342
1 changed files with 73 additions and 25 deletions
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98
drivers/lcd/s6d1121_lld.c
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@ -23,13 +23,13 @@
static uint8_t orientation;
extern uint16_t lcd_width, lcd_height;
inline void lld_lcddelay(void)
static inline void lld_lcddelay(void)
{
asm volatile ("nop");
asm volatile ("nop");
}
inline void lld_lcdwrite(uint16_t db)
static inline void lld_lcdwrite(uint16_t db)
{
LCD_D4_GPIO->BSRR.W=((~db&0xFFF0)<<16)|(db&0xFFF0);
LCD_D0_GPIO->BSRR.W=((~db&0x000F)<<16)|(db&0x000F);
@ -39,7 +39,7 @@ inline void lld_lcdwrite(uint16_t db)
LCD_WR_HIGH;
}
static __inline uint16_t lcdReadData(void) {
static __inline uint16_t lld_lcdReadData(void) {
uint16_t value=0;
LCD_RS_HIGH;
@ -68,21 +68,21 @@ static __inline uint16_t lcdReadData(void) {
return value;
}
static __inline uint16_t lcdReadReg(uint16_t lcdReg) {
static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
uint16_t lcdRAM;
LCD_CS_LOW;
LCD_RS_LOW;
lld_lcdwrite(lcdReg);
LCD_RS_HIGH;
lcdRAM = lcdReadData();
lcdRAM = lld_lcdReadData();
LCD_CS_HIGH;
return lcdRAM;
}
void lcdWriteIndex(uint16_t lcdReg) {
void lld_lcdWriteIndex(uint16_t lcdReg) {
LCD_RS_LOW;
lld_lcdwrite(lcdReg);
@ -90,15 +90,15 @@ void lcdWriteIndex(uint16_t lcdReg) {
LCD_RS_HIGH;
}
void lcdWriteData(uint16_t lcdData) {
void lld_lcdWriteData(uint16_t lcdData) {
lld_lcdwrite(lcdData);
}
void lcdWriteReg(uint16_t lcdReg, uint16_t lcdRegValue) {
LCD_CS_LOW;
lcdWriteIndex(lcdReg);
lcdWriteData(lcdRegValue);
lld_lcdWriteIndex(lcdReg);
lld_lcdWriteData(lcdRegValue);
LCD_CS_HIGH;
}
@ -205,6 +205,54 @@ void lld_lcdSetCursor(uint16_t x, uint16_t y) {
}
}
static __inline void lld_lcdWriteStreamStart(void) {
#ifdef LCD_USE_GPIO
LCD_CS_LOW;
lld_lcdWriteIndex(0x0022);
#endif
#ifdef LCD_USE_SPI
#endif
#ifdef LCD_USE_FSMC
#endif
}
static __inline void lld_lcdWriteStreamStop(void) {
#ifdef LCD_USE_GPIO
LCD_CS_HIGH;
#endif
#ifdef LCD_USE_SPI
#endif
#ifdef LCD_USE_FSMC
#endif
}
__inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
uint16_t i;
for(i = 0; i < size; i++) {
lld_lcdwrite(buffer[i]);
}
}
void lld_lcdFillArea(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) {
uint32_t index = 0, area;
area = ((x1-x0)*(y1-y0));
lld_lcdSetWindow(x0, y0, x1, y1);
lld_lcdWriteStreamStart();
for(index = 0; index < area; index++)
lld_lcdWriteData(color);
lld_lcdWriteStreamStop();
}
// Do not use now, will be fixed in future
void lld_lcdSetOrientation(uint8_t newOrientation) {
orientation = newOrientation;
@ -234,30 +282,30 @@ void lld_lcdSetOrientation(uint8_t newOrientation) {
}
void lld_lcdSetWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
lld_lcdSetCursor(x0, y0);
switch(lcdGetOrientation()) {
switch(lcdGetOrientation()) {
case portrait:
lcdWriteReg(0x47, ((x0+x1-1) << 8) | x0);
lcdWriteReg(0x46, ((x1-1) << 8) | x0);
lcdWriteReg(0x48, y0);
lcdWriteReg(0x47, y0+y1-1);
lcdWriteReg(0x47, y1-1);
break;
case landscape:
lcdWriteReg(0x47, ((y0+y1-1) << 8) | y1);
lcdWriteReg(0x46, ((x0-1) << 8) | x1);
lcdWriteReg(0x48, x0);
lcdWriteReg(0x47, x0+x1-1);
lcdWriteReg(0x47, x1-1);
break;
case portraitInv:
lcdWriteReg(0x47, ((x0+x1-1) << 8) | x0);
lcdWriteReg(0x46, ((x1-1) << 8) | x0);
lcdWriteReg(0x48, y0);
lcdWriteReg(0x47, y0+y1-1);
lcdWriteReg(0x47, y1-1);
break;
case landscapeInv:
lcdWriteReg(0x47, ((y0+y1-1) << 8) | y1);
lcdWriteReg(0x46, ((y0-1) << 8) | y1);
lcdWriteReg(0x48, x0);
lcdWriteReg(0x47, x0+x1-1);
lcdWriteReg(0x47, x1-1);
break;
}
lld_lcdSetCursor(x0, y0);
}
void lld_lcdClear(uint16_t color) {
@ -265,9 +313,9 @@ void lld_lcdClear(uint16_t color) {
lld_lcdSetCursor(0,0);
LCD_CS_LOW;
lcdWriteIndex(0x0022);
lld_lcdWriteIndex(0x0022);
for(index = 0; index < SCREEN_WIDTH * SCREEN_HEIGHT; index++)
lcdWriteData(color);
lld_lcdWriteData(color);
LCD_CS_HIGH;
}
@ -277,9 +325,9 @@ uint16_t lld_lcdGetPixelColor(uint16_t x, uint16_t y) {
lld_lcdSetCursor(x,y);
LCD_CS_LOW;
lcdWriteIndex(0x0022);
dummy = lcdReadData();
dummy = lcdReadData();
lld_lcdWriteIndex(0x0022);
dummy = lld_lcdReadData();
dummy = lld_lcdReadData();
LCD_CS_HIGH;
return dummy;