static void u8x8_d_ssd1606_draw_tile(u8x8_t *u8x8, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c, page;
uint8_t *ptr;
u8x8_cad_StartTransfer(u8x8);
page = u8x8->display_info->tile_height;
page --;
page -= (((u8x8_tile_t *)arg_ptr)->y_pos);
page *= 2;
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x00f ); /* scan start */
u8x8_cad_SendArg(u8x8, 0);
u8x8_cad_SendCmd(u8x8, 0x011 ); /* cursor increment mode */
u8x8_cad_SendArg(u8x8, 3);
u8x8_cad_SendCmd(u8x8, 0x045 ); /* window start column */
u8x8_cad_SendArg(u8x8, 0);
u8x8_cad_SendArg(u8x8, 179); /* end of display */
u8x8_cad_SendCmd(u8x8, 0x044 ); /* window end page */
u8x8_cad_SendArg(u8x8, page);
u8x8_cad_SendArg(u8x8, page+1);
u8x8_cad_SendCmd(u8x8, 0x04f ); /* window column */
u8x8_cad_SendArg(u8x8, x);
u8x8_cad_SendCmd(u8x8, 0x04e ); /* window row */
u8x8_cad_SendArg(u8x8, page);
u8x8_cad_SendCmd(u8x8, 0x024 );
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
do
{
u8x8_cad_SendData(u8x8, 16, u8x8_convert_tile_for_ssd1606(ptr));
ptr += 8;
x += 8;
c--;
} while( c > 0 );
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
}
static uint8_t u8x8_d_ssd1309_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos) );
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */
/*
do
{
u8x8_cad_SendData(u8x8, 8, ptr);
ptr += 8;
c--;
} while( c > 0 );
*/
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_powersave1_seq);
break;
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x081 );
u8x8_cad_SendArg(u8x8, arg_int ); /* ssd1309 has range from 0 to 255 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_ls013b7dh03_128x128(u8x8_t *u8x8, uint8_t msg, U8X8_UNUSED uint8_t arg_int, void *arg_ptr)
{
uint8_t y, c, i;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ls013b7dh03_128x128_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
/* clear screen */
u8x8_cad_SendCmd(u8x8, SWAP8(LS013B7DH03_CMD_ALL_CLEAR) );
u8x8_cad_SendCmd(u8x8, LS013B7DH03_VAL_TRAILER);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
/* not available for the ls013b7dh03 */
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
/* each tile is 8 lines, with the data starting at the left edge */
y = ((((u8x8_tile_t *)arg_ptr)->y_pos) * 8) + 1;
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
/* send data mode byte */
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, SWAP8(LS013B7DH03_CMD_UPDATE) );
/* send 8 lines of 16 bytes (=128 pixels) */
for( i = 0; i < 8; i++ )
{
u8x8_cad_SendCmd(u8x8, SWAP8(y + i) );
u8x8_cad_SendData(u8x8, c, ptr);
u8x8_cad_SendCmd(u8x8, LS013B7DH03_VAL_TRAILER);
ptr += c;
}
/* finish with a trailing byte */
u8x8_cad_SendCmd(u8x8, LS013B7DH03_VAL_TRAILER);
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
static void u8x8_ks0108_out(u8x8_t *u8x8, struct u8x8_ks0108_vars *v, void *arg_ptr)
{
uint8_t cnt;
u8x8_cad_SendCmd(u8x8, 0x040 | ((v->x << 3) & 63) );
u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
while( v->arg_int > 0 )
{
/* calculate tiles to next boundary (end or chip limit) */
cnt = v->x;
cnt += 8;
cnt &= 0x0f8;
cnt -= v->x;
if ( cnt > v->c )
cnt = v->c;
/* of cours we still could use cnt=1 here... */
/* but setting cnt to 1 is not very efficient */
//cnt = 1;
v->x +=cnt;
v->c-=cnt;
cnt<<=3;
u8x8_cad_SendData(u8x8, cnt, v->ptr); /* note: SendData can not handle more than 255 bytes */
v->ptr += cnt;
if ( v->c == 0 )
{
v->ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
v->c = ((u8x8_tile_t *)arg_ptr)->cnt;
v->arg_int--;
}
if ( ((v->x) & 7) == 0 )
break;
}
}
void u8x8_cad_SendSequence(u8x8_t *u8x8, uint8_t const *data)
{
uint8_t cmd;
uint8_t v;
for(;;)
{
cmd = *data;
data++;
switch( cmd )
{
case U8X8_MSG_CAD_SEND_CMD:
case U8X8_MSG_CAD_SEND_ARG:
v = *data;
u8x8->cad_cb(u8x8, cmd, v, NULL);
data++;
break;
case U8X8_MSG_CAD_SEND_DATA:
v = *data;
u8x8_cad_SendData(u8x8, 1, &v);
data++;
break;
case U8X8_MSG_CAD_START_TRANSFER:
case U8X8_MSG_CAD_END_TRANSFER:
u8x8->cad_cb(u8x8, cmd, 0, NULL);
break;
case 0x0fe:
v = *data;
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_MILLI, v);
data++;
break;
default:
return;
}
}
}
uint8_t u8x8_d_uc1604_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, y, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
y = ((u8x8_tile_t *)arg_ptr)->y_pos;
y += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x0b0 | (y&15));
c = ((u8x8_tile_t *)arg_ptr)->cnt;
c *= 8;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
do
{
u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
/* handled in the calling procedure
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_128x64_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq);
break;
*/
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip1_seq);
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
}
break;
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x081 );
u8x8_cad_SendArg(u8x8, arg_int ); /* uc1604 has range from 0 to 255 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_a2printer_common(u8x8_t *u8x8, uint8_t msg, U8X8_UNUSED uint8_t arg_int, void *arg_ptr)
{
uint8_t c, i, j;
uint8_t *ptr;
uint16_t delay_in_milliseconds;
switch(msg)
{
/* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */
/*
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
break;
*/
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
// no setup required
// u8x8_cad_SendSequence(u8x8, u8x8_d_a2printer_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
// no powersave
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 27); /* ESC */
u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
/* increasing the "max printing dots" requires a good power supply, but LINE_EXTRA_8PIXEL_DELAY_MS could be reduced then */
u8x8_cad_SendCmd(u8x8, 0); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1) ... lower values improve, probably my current supply is not sufficient */
u8x8_cad_SendCmd(u8x8, 200); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us) ... does not have much influence */
//c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
c = u8x8->display_info->tile_width;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
u8x8_cad_SendCmd(u8x8, 18); /* DC2 */
u8x8_cad_SendCmd(u8x8, 42 ); /* * */
u8x8_cad_SendCmd(u8x8, 8 ); /* height */
u8x8_cad_SendCmd(u8x8, c ); /* c, u8x8->display_info->tile_width */
for( j = 0; j < 8 / NO_OF_LINES_TO_SEND_WITHOUT_DELAY; j ++ )
{
delay_in_milliseconds = 0;
for( i = 0; i < NO_OF_LINES_TO_SEND_WITHOUT_DELAY; i++ )
{
u8x8_cad_SendData(u8x8, c, ptr); /* c, note: SendData can not handle more than 255 bytes, send one line of data */
delay_in_milliseconds += get_delay_in_milliseconds(c, ptr);
ptr += c;
}
while( delay_in_milliseconds > 200 )
{
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, 200, NULL);
delay_in_milliseconds -= 200;
}
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, delay_in_milliseconds, NULL);
}
/* set parameters back to their default values */
u8x8_cad_SendCmd(u8x8, 27); /* ESC */
u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
u8x8_cad_SendCmd(u8x8, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/
u8x8_cad_SendCmd(u8x8, 80); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
static uint8_t u8x8_d_sh1107_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
/* handled by the calling function
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1107_64x128_noname_display_info);
break;
*/
/* handled by the calling function
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1107_64x128_noname_init_seq);
break;
*/
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1107_64x128_noname_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1107_64x128_noname_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1107_64x128_noname_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1107_64x128_noname_flip1_seq);
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
}
break;
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x081 );
u8x8_cad_SendArg(u8x8, arg_int ); /* sh1107 has range from 0 to 255 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
//u8x8_cad_SendCmd(u8x8, 0x040 ); /* set line offset to 0 */
// set column address
u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4));
u8x8_cad_SendCmd(u8x8, 0x000 | ((x & 15))); /* probably wrong, should be SendCmd */
// set page address
u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos)); /* probably wrong, should be SendCmd */
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */
/*
do
{
u8x8_cad_SendData(u8x8, 8, ptr);
ptr += 8;
c--;
} while( c > 0 );
*/
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_t6963_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t c, i;
uint16_t y;
uint8_t *ptr;
switch(msg)
{
/* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */
/*
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
break;
case U8X8_MSG_DISPLAY_INIT:
break;
*/
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_t6963_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_t6963_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
y = (((u8x8_tile_t *)arg_ptr)->y_pos);
y*=8;
y*= u8x8->display_info->tile_width;
/* x = ((u8x8_tile_t *)arg_ptr)->x_pos; x is ignored... no u8x8 support */
//u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, 200, NULL); /* extra dely required */
u8x8_cad_StartTransfer(u8x8);
//u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, 200, NULL); /* extra dely required */
/*
Tile structure is reused here for the t6963, however u8x8 is not supported
tile_ptr points to data which has cnt*8 bytes (same as SSD1306 tiles)
Buffer is expected to have 8 lines of code fitting to the t6963 internal memory
"cnt" includes the number of horizontal bytes. width is equal to cnt*8
TODO: Consider arg_int, however arg_int is not used by u8g2
*/
c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
for( i = 0; i < 8; i++ )
{
u8x8_cad_SendArg(u8x8, y&255);
u8x8_cad_SendArg(u8x8, y>>8);
u8x8_cad_SendCmd(u8x8, 0x024 ); /* set adr */
u8x8_cad_SendCmd(u8x8, 0x0b0 ); /* auto write start */
//c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes, send one line of data */
u8x8_cad_SendCmd(u8x8, 0x0b2 ); /* auto write reset */
ptr += u8x8->display_info->tile_width;
y += u8x8->display_info->tile_width;
}
u8x8_cad_EndTransfer(u8x8);
//u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, 200, NULL); /* extra dely required */
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_pcd8544_84x48(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcd8544_84x48_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_powersave1_seq);
break;
// case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
// break; NOT SUPPORTED
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x021 ); /* command mode, extended function set */
u8x8_cad_SendCmd(u8x8, 0x080 | (arg_int >> 1) );
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x020 ); /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
u8x8_cad_SendCmd(u8x8, 0x080 | (x) ); /* set X address */
u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos) ); /* set Y address */
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
c = ((u8x8_tile_t *)arg_ptr)->cnt;
c *= 8;
do
{
if ( c + x > 84u )
{
if ( x >= 84u )
break;
c = 84u;
c -= x;
}
u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
x += c;
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_ssd1306_128x64_noname(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8, &u8x8_ssd1306_128x64_noname_display_info);
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_128x64_noname_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_128x64_noname_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_128x64_noname_powersave1_seq);
break;
#ifdef U8X8_WITH_SET_FLIP_MODE
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_128x64_noname_flip0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_128x64_noname_flip1_seq);
break;
#endif
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x081 );
u8x8_cad_SendArg(u8x8, arg_int ); /* ssd1306 has range from 0 to 255 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos));
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
do
{
u8x8_cad_SendData(u8x8, 8, ptr);
ptr += 8;
c--;
} while( c > 0 );
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_uc1701_mini12864(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1701_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_mini12864_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_mini12864_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_mini12864_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_mini12864_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_mini12864_flip1_seq);
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
}
break;
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x081 );
u8x8_cad_SendArg(u8x8, arg_int >> 2 ); /* uc1701 has range from 0 to 63 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos));
c = ((u8x8_tile_t *)arg_ptr)->cnt;
c *= 8;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
/*
The following if condition checks the hardware limits of the uc1701
controller: It is not allowed to write beyond the display limits.
This is in fact an issue within flip mode.
bug: this check should be inside the while loop, see u8x8_d_pcd8544_84x48.c
*/
if ( c + x > 132u )
{
c = 132u;
c -= x;
}
do
{
u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
static uint8_t u8x8_d_hx1230_96x68_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c;
uint8_t *ptr;
switch(msg)
{
/* handled by the calling function
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_hx1230_96x68_display_info);
break;
*/
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_hx1230_96x68_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_hx1230_96x68_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_hx1230_96x68_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_hx1230_96x68_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_hx1230_96x68_flip1_seq);
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
}
break;
#ifdef U8X8_WITH_SET_CONTRAST
case U8X8_MSG_DISPLAY_SET_CONTRAST:
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, (arg_int>>3)|0x80 ); /* 0..31 for contrast */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
u8x8_cad_SendCmd(u8x8, x&15);
u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4));
u8x8_cad_SendCmd(u8x8, 0x0b0 | ((u8x8_tile_t *)arg_ptr)->y_pos);
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
