Refactor to make the LCD initialization be data driven code
This commit is contained in:
Henryk Plötz
parent
e1de1b4167
commit
ab0c2ab4e7
|
|
@ -9,9 +9,106 @@
|
||||||
#include "basic/config.h"
|
#include "basic/config.h"
|
||||||
#include "usb/usbmsc.h"
|
#include "usb/usbmsc.h"
|
||||||
|
|
||||||
|
enum display_type {
|
||||||
|
DISPLAY_TYPE_N1200 = 0,
|
||||||
|
DISPLAY_TYPE_N1600 = 1,
|
||||||
|
};
|
||||||
|
|
||||||
#define DISPLAY_N1200 0
|
enum command_type {
|
||||||
#define DISPLAY_N1600 1
|
COMMAND_TYPE_CMD = 0,
|
||||||
|
COMMAND_TYPE_DATA = 1,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct display_macro {
|
||||||
|
enum command_type type:1;
|
||||||
|
unsigned int data:8;
|
||||||
|
unsigned int delay_after:7;
|
||||||
|
} __attribute__((packed));
|
||||||
|
|
||||||
|
/* Small Nokia 1200 LCD docs:
|
||||||
|
* clear/ set
|
||||||
|
* on 0xae / 0xaf
|
||||||
|
* invert 0xa6 / 0xa7
|
||||||
|
* mirror-x 0xA0 / 0xA1
|
||||||
|
* mirror-y 0xc7 / 0xc8
|
||||||
|
*
|
||||||
|
* 0x20+x contrast (0=black - 0x2e)
|
||||||
|
* 0x40+x offset in rows from top (-0x7f)
|
||||||
|
* 0x80+x contrast? (0=black -0x9f?)
|
||||||
|
* 0xd0+x black lines from top? (-0xdf?)
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
/* Decoded:
|
||||||
|
* E2: Internal reset
|
||||||
|
* AF: Display on/off: DON = 1
|
||||||
|
* A1: undefined?
|
||||||
|
* A4: all on/normal: DAL = 0
|
||||||
|
* 2F: charge pump on/off: PC = 1
|
||||||
|
* B0: set y address: Y[0-3] = 0
|
||||||
|
* 10: set x address (upper bits): X[6-4] = 0
|
||||||
|
*/
|
||||||
|
static const struct display_macro INIT_N1200[] = {
|
||||||
|
{COMMAND_TYPE_CMD, 0xE2, 5},
|
||||||
|
{COMMAND_TYPE_CMD, 0xAF},
|
||||||
|
{COMMAND_TYPE_CMD, 0xA1},
|
||||||
|
{COMMAND_TYPE_CMD, 0x2F},
|
||||||
|
{COMMAND_TYPE_CMD, 0xB0},
|
||||||
|
{COMMAND_TYPE_CMD, 0x10},
|
||||||
|
};
|
||||||
|
|
||||||
|
/* 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
|
||||||
|
* DAT 00: scroll entry point
|
||||||
|
* CMD 3A: interface pixel format
|
||||||
|
* DAT 05: 16 bit/pixel
|
||||||
|
* CMD 2A: column address set
|
||||||
|
* DAT 0 : xs
|
||||||
|
* DAT 98-1 : xe
|
||||||
|
* CMD 2B: page address set
|
||||||
|
* DAT 0 : ys
|
||||||
|
* DAT 70-1 : ye
|
||||||
|
*/
|
||||||
|
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},
|
||||||
|
{COMMAND_TYPE_DATA, 0x00},
|
||||||
|
{COMMAND_TYPE_CMD, 0x3A},
|
||||||
|
{COMMAND_TYPE_DATA, 0x05},
|
||||||
|
{COMMAND_TYPE_CMD, 0x2A},
|
||||||
|
{COMMAND_TYPE_DATA, 0x00},
|
||||||
|
{COMMAND_TYPE_DATA, 98-1},
|
||||||
|
{COMMAND_TYPE_CMD, 0x2B},
|
||||||
|
{COMMAND_TYPE_DATA, 0},
|
||||||
|
{COMMAND_TYPE_DATA, 70-1},
|
||||||
|
};
|
||||||
|
|
||||||
|
struct display_descriptor {
|
||||||
|
const struct display_macro * init_macro;
|
||||||
|
int init_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]) },
|
||||||
|
};
|
||||||
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* Utility routines to manage nokia display */
|
/* Utility routines to manage nokia display */
|
||||||
|
|
@ -20,10 +117,9 @@
|
||||||
uint8_t lcdBuffer[RESX*RESY_B];
|
uint8_t lcdBuffer[RESX*RESY_B];
|
||||||
uint32_t intstatus; // Caches USB interrupt state
|
uint32_t intstatus; // Caches USB interrupt state
|
||||||
// (need to disable MSC while displaying)
|
// (need to disable MSC while displaying)
|
||||||
uint8_t displayType;
|
enum display_type displayType;
|
||||||
|
const struct display_descriptor *displayDescriptor;
|
||||||
|
|
||||||
#define TYPE_CMD 0
|
|
||||||
#define TYPE_DATA 1
|
|
||||||
|
|
||||||
static void lcd_select() {
|
static void lcd_select() {
|
||||||
#if CFG_USBMSC
|
#if CFG_USBMSC
|
||||||
|
|
@ -146,83 +242,16 @@ void lcdInit(void) {
|
||||||
id=lcdRead(220); // ID3
|
id=lcdRead(220); // ID3
|
||||||
|
|
||||||
if(id==14)
|
if(id==14)
|
||||||
displayType=DISPLAY_N1600;
|
displayType=DISPLAY_TYPE_N1600;
|
||||||
else /* ID3 == 48 */
|
else /* ID3 == 48 */
|
||||||
displayType=DISPLAY_N1200;
|
displayType=DISPLAY_TYPE_N1200;
|
||||||
|
|
||||||
/* Small Nokia 1200 LCD docs:
|
displayDescriptor = DISPLAY_DESCRIPTORS + displayType;
|
||||||
* clear/ set
|
|
||||||
* on 0xae / 0xaf
|
|
||||||
* invert 0xa6 / 0xa7
|
|
||||||
* mirror-x 0xA0 / 0xA1
|
|
||||||
* mirror-y 0xc7 / 0xc8
|
|
||||||
*
|
|
||||||
* 0x20+x contrast (0=black - 0x2e)
|
|
||||||
* 0x40+x offset in rows from top (-0x7f)
|
|
||||||
* 0x80+x contrast? (0=black -0x9f?)
|
|
||||||
* 0xd0+x black lines from top? (-0xdf?)
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
lcd_select();
|
lcd_select();
|
||||||
|
for(int i=0; i<displayDescriptor->init_macro_length; i++) {
|
||||||
if(displayType==DISPLAY_N1200){
|
lcdWrite(displayDescriptor->init_macro[i].type, displayDescriptor->init_macro[i].data);
|
||||||
/* Decoded:
|
delayms(displayDescriptor->init_macro[i].delay_after);
|
||||||
* E2: Internal reset
|
|
||||||
* AF: Display on/off: DON = 1
|
|
||||||
* A1: undefined?
|
|
||||||
* A4: all on/normal: DAL = 0
|
|
||||||
* 2F: charge pump on/off: PC = 1
|
|
||||||
* B0: set y address: Y[0-3] = 0
|
|
||||||
* 10: set x address (upper bits): X[6-4] = 0
|
|
||||||
*/
|
|
||||||
static uint8_t initseq[]= { 0xE2,0xAF, // Display ON
|
|
||||||
0xA1, // Mirror-X
|
|
||||||
0xA4, 0x2F, 0xB0, 0x10};
|
|
||||||
int i = 0;
|
|
||||||
while(i<sizeof(initseq)){
|
|
||||||
lcdWrite(TYPE_CMD,initseq[i++]);
|
|
||||||
delayms(5); // actually only needed after the first
|
|
||||||
}
|
|
||||||
}else{ /* displayType==DISPLAY_N1600 */
|
|
||||||
static uint8_t initseq_d[] = {
|
|
||||||
/* 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
|
|
||||||
* DAT 00: scroll entry point
|
|
||||||
* CMD 3A: interface pixel format
|
|
||||||
* DAT 05: 16 bit/pixel
|
|
||||||
* CMD 2A: column address set
|
|
||||||
* DAT 0 : xs
|
|
||||||
* DAT 98-1 : xe
|
|
||||||
* CMD 2B: page address set
|
|
||||||
* DAT 0 : ys
|
|
||||||
* DAT 70-1 : ye
|
|
||||||
*/
|
|
||||||
|
|
||||||
0x36,
|
|
||||||
0x29, 0xBA, 0x07,
|
|
||||||
0x15, 0x25, 0x3f,
|
|
||||||
0x11, 0x13, 0x37,
|
|
||||||
0x00, 0x3A, 0x05,
|
|
||||||
0x2A, 0, 98-1,
|
|
||||||
0x2B, 0, 70-1};
|
|
||||||
uint32_t initseq_c = ~ 0x12BA7; // command/data bitstring
|
|
||||||
int i = 0;
|
|
||||||
lcdWrite(TYPE_CMD,0x01); //sw reset
|
|
||||||
delayms(10);
|
|
||||||
|
|
||||||
while(i<sizeof(initseq_d)){
|
|
||||||
lcdWrite(initseq_c&1, initseq_d[i++]);
|
|
||||||
initseq_c = initseq_c >> 1;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
lcd_deselect();
|
lcd_deselect();
|
||||||
}
|
}
|
||||||
|
|
@ -261,8 +290,8 @@ bool lcdGetPixel(char x, char y){
|
||||||
|
|
||||||
// Color display hepler functions
|
// Color display hepler functions
|
||||||
static void _helper_pixel16(uint16_t color){
|
static void _helper_pixel16(uint16_t color){
|
||||||
lcdWrite(TYPE_DATA,color>>8);
|
lcdWrite(COMMAND_TYPE_DATA,color>>8);
|
||||||
lcdWrite(TYPE_DATA,color&0xFF);
|
lcdWrite(COMMAND_TYPE_DATA,color&0xFF);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void _helper_hline(uint16_t color){
|
static void _helper_hline(uint16_t color){
|
||||||
|
|
@ -278,10 +307,10 @@ void lcdDisplay(void) {
|
||||||
char byte;
|
char byte;
|
||||||
lcd_select();
|
lcd_select();
|
||||||
|
|
||||||
if(displayType==DISPLAY_N1200){
|
if(displayType==DISPLAY_TYPE_N1200){
|
||||||
lcdWrite(TYPE_CMD,0xB0);
|
lcdWrite(COMMAND_TYPE_CMD,0xB0);
|
||||||
lcdWrite(TYPE_CMD,0x10);
|
lcdWrite(COMMAND_TYPE_CMD,0x10);
|
||||||
lcdWrite(TYPE_CMD,0x00);
|
lcdWrite(COMMAND_TYPE_CMD,0x00);
|
||||||
uint16_t i,page;
|
uint16_t i,page;
|
||||||
for(page=0; page<RESY_B;page++) {
|
for(page=0; page<RESY_B;page++) {
|
||||||
for(i=0; i<RESX; i++) {
|
for(i=0; i<RESX; i++) {
|
||||||
|
|
@ -293,10 +322,10 @@ void lcdDisplay(void) {
|
||||||
if (GLOBAL(lcdinvert))
|
if (GLOBAL(lcdinvert))
|
||||||
byte=~byte;
|
byte=~byte;
|
||||||
|
|
||||||
lcdWrite(TYPE_DATA,byte);
|
lcdWrite(COMMAND_TYPE_DATA,byte);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
} else { /* displayType==DISPLAY_N1600 */
|
} else { /* displayType==DISPLAY_TYPE_N1600 */
|
||||||
unsigned char r=THECOLOR_R,g=THECOLOR_G,b=THECOLOR_B;
|
unsigned char r=THECOLOR_R,g=THECOLOR_G,b=THECOLOR_B;
|
||||||
unsigned char br=0xFF, bg=0xFF, bb=0xFF;
|
unsigned char br=0xFF, bg=0xFF, bb=0xFF;
|
||||||
unsigned char frame_r=0x00, frame_g=0x00, frame_b=0x80;
|
unsigned char frame_r=0x00, frame_g=0x00, frame_b=0x80;
|
||||||
|
|
@ -308,7 +337,7 @@ void lcdDisplay(void) {
|
||||||
framecolor= ((frame_r&0xF8) << 8) | ((frame_g&0xFC)<<3) | ((frame_b&0xF8) >> 3);
|
framecolor= ((frame_r&0xF8) << 8) | ((frame_g&0xFC)<<3) | ((frame_b&0xF8) >> 3);
|
||||||
backcolor= ((br&0xF8) << 8) | ((bg&0xFC)<<3) | ((bb&0xF8) >> 3);
|
backcolor= ((br&0xF8) << 8) | ((bg&0xFC)<<3) | ((bb&0xF8) >> 3);
|
||||||
|
|
||||||
lcdWrite(TYPE_CMD,0x2C);
|
lcdWrite(COMMAND_TYPE_CMD,0x2C);
|
||||||
|
|
||||||
//top line of the frame...
|
//top line of the frame...
|
||||||
_helper_hline(framecolor);
|
_helper_hline(framecolor);
|
||||||
|
|
@ -346,13 +375,13 @@ inline void lcdInvert(void) {
|
||||||
|
|
||||||
void lcdSetContrast(int c) {
|
void lcdSetContrast(int c) {
|
||||||
lcd_select();
|
lcd_select();
|
||||||
if(displayType==DISPLAY_N1200){
|
if(displayType==DISPLAY_TYPE_N1200){
|
||||||
if(c<0x1F)
|
if(c<0x1F)
|
||||||
lcdWrite(TYPE_CMD,0x80+c);
|
lcdWrite(COMMAND_TYPE_CMD,0x80+c);
|
||||||
}else{ /* displayType==DISPLAY_N1600 */
|
}else{ /* displayType==DISPLAY_TYPE_N1600 */
|
||||||
if(c<0x40) {
|
if(c<0x40) {
|
||||||
lcdWrite(TYPE_CMD,0x25);
|
lcdWrite(COMMAND_TYPE_CMD,0x25);
|
||||||
lcdWrite(TYPE_DATA,4*c);
|
lcdWrite(COMMAND_TYPE_DATA,4*c);
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
lcd_deselect();
|
lcd_deselect();
|
||||||
|
|
@ -362,7 +391,7 @@ void lcdSetInvert(int c) {
|
||||||
lcd_select();
|
lcd_select();
|
||||||
/* it doesn't harm N1600, save space */
|
/* it doesn't harm N1600, save space */
|
||||||
// if(displayType==DISPLAY_N1200)
|
// if(displayType==DISPLAY_N1200)
|
||||||
lcdWrite(TYPE_CMD,(c&1)+0xa6);
|
lcdWrite(COMMAND_TYPE_CMD,(c&1)+0xa6);
|
||||||
lcd_deselect();
|
lcd_deselect();
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue