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Remove unnecessary commands from N1600 initialization; refactor display memory write setup to use macros

This commit is contained in:
Henryk Plötz 2012-02-01 06:15:07 +01:00
parent ab0c2ab4e7
commit e66910638d
1 changed files with 34 additions and 21 deletions
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55
firmware/lcd/display.c
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@ -56,14 +56,15 @@ static const struct display_macro INIT_N1200[] = {
{COMMAND_TYPE_CMD, 0x10},
};
static const struct display_macro PREPARE_N1200[] = {
{COMMAND_TYPE_CMD, 0xB0},
{COMMAND_TYPE_CMD, 0x10},
{COMMAND_TYPE_CMD, 0x00},
};
/* Decoded:
* CMD 36: MADCTL (argument missing!)
* CMD 29: DISPON
* CMD BA: Data order (1)
* DAT 07: ignored?
* CMD 15: undefined?
* DAT 25: ignored?
* DAT 3F: ignored?
* CMD 11: sleep out
* CMD 13: normal display mode on
* CMD 37: set scroll entry point
@ -79,13 +80,8 @@ static const struct display_macro INIT_N1200[] = {
*/
static const struct display_macro INIT_N1600[] = {
{COMMAND_TYPE_CMD, 0x01, 10},
{COMMAND_TYPE_CMD, 0x36},
{COMMAND_TYPE_CMD, 0x29},
{COMMAND_TYPE_CMD, 0xBA},
{COMMAND_TYPE_DATA, 0x07},
{COMMAND_TYPE_CMD, 0x15},
{COMMAND_TYPE_DATA, 0x25},
{COMMAND_TYPE_DATA, 0x3F},
{COMMAND_TYPE_CMD, 0x11},
{COMMAND_TYPE_CMD, 0x13},
{COMMAND_TYPE_CMD, 0x37},
@ -100,14 +96,30 @@ static const struct display_macro INIT_N1600[] = {
{COMMAND_TYPE_DATA, 70-1},
};
static const struct display_macro PREPARE_N1600[] = {
{COMMAND_TYPE_CMD, 0x2C},
};
struct display_descriptor {
/* Macro to execute in order to initialize the display from scratch */
const struct display_macro * init_macro;
int init_macro_length;
/* Macro to execute to prepare the display for sending raw contents */
const struct display_macro * prepare_macro;
int prepare_macro_length;
};
const struct display_descriptor DISPLAY_DESCRIPTORS[] = {
[DISPLAY_TYPE_N1200] = { INIT_N1200, sizeof(INIT_N1200)/sizeof(INIT_N1200[0]) },
[DISPLAY_TYPE_N1600] = { INIT_N1600, sizeof(INIT_N1600)/sizeof(INIT_N1600[0]) },
[DISPLAY_TYPE_N1200] = {
INIT_N1200, sizeof(INIT_N1200)/sizeof(INIT_N1200[0]),
PREPARE_N1200, sizeof(PREPARE_N1200)/sizeof(PREPARE_N1200[0])
},
[DISPLAY_TYPE_N1600] = {
INIT_N1600, sizeof(INIT_N1600)/sizeof(INIT_N1600[0]),
PREPARE_N1600, sizeof(PREPARE_N1600)/sizeof(PREPARE_N1600[0])
},
};
/**************************************************************************/
@ -221,6 +233,13 @@ uint8_t lcdRead(uint8_t data)
return ret;
}
static void lcdExecuteMacro(const struct display_macro *macro, int macro_length)
{
for(int i=0; i<macro_length; i++) {
lcdWrite(macro[i].type, macro[i].data);
delayms(macro[i].delay_after);
}
}
void lcdInit(void) {
int id;
@ -249,10 +268,7 @@ void lcdInit(void) {
displayDescriptor = DISPLAY_DESCRIPTORS + displayType;
lcd_select();
for(int i=0; i<displayDescriptor->init_macro_length; i++) {
lcdWrite(displayDescriptor->init_macro[i].type, displayDescriptor->init_macro[i].data);
delayms(displayDescriptor->init_macro[i].delay_after);
}
lcdExecuteMacro(displayDescriptor->init_macro, displayDescriptor->init_macro_length);
lcd_deselect();
}
@ -307,10 +323,9 @@ void lcdDisplay(void) {
char byte;
lcd_select();
lcdExecuteMacro(displayDescriptor->prepare_macro, displayDescriptor->prepare_macro_length);
if(displayType==DISPLAY_TYPE_N1200){
lcdWrite(COMMAND_TYPE_CMD,0xB0);
lcdWrite(COMMAND_TYPE_CMD,0x10);
lcdWrite(COMMAND_TYPE_CMD,0x00);
uint16_t i,page;
for(page=0; page<RESY_B;page++) {
for(i=0; i<RESX; i++) {
@ -337,8 +352,6 @@ void lcdDisplay(void) {
framecolor= ((frame_r&0xF8) << 8) | ((frame_g&0xFC)<<3) | ((frame_b&0xF8) >> 3);
backcolor= ((br&0xF8) << 8) | ((bg&0xFC)<<3) | ((bb&0xF8) >> 3);
lcdWrite(COMMAND_TYPE_CMD,0x2C);
//top line of the frame...
_helper_hline(framecolor);