wuqiyang312
/
u8g2-copy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

issue #352: power save

This commit is contained in:
olikraus 2017-09-09 09:48:41 +02:00
parent e1d4f30a20
commit a17533c211
1 changed files with 58 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
csrc/u8x8_d_ssd1607_200x200.c
View File

@ -60,6 +60,57 @@
#include "u8x8.h"
/*=================================================*/
static const uint8_t u8x8_d_ssd1607_200x200_powersave0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_CA(0x22, 0xc0), /* enable clock and charge pump */
U8X8_C(0x20), /* execute sequence */
U8X8_DLY(200), /* according to my measures it may take up to 150ms */
U8X8_DLY(100), /* but it might take longer */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_powersave1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
/* disable clock and charge pump only, deep sleep is not entered, because we will loose RAM content */
U8X8_CA(0x22, 0x02), /* only disable charge pump, HW reset seems to be required if the clock is disabled */
U8X8_C(0x20), /* execute sequence */
U8X8_DLY(20),
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_exec_1000dly_seq[] = {
// assumes, that the start transfer has happend
U8X8_CA(0x22, 0x04), /* display update seq. option: pattern display */
U8X8_C(0x20), /* execute sequence */
U8X8_DLY(250),
U8X8_DLY(250),
U8X8_DLY(250),
U8X8_DLY(250),
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static void u8x8_d_ssd1607_200x200_first_init(u8x8_t *u8x8)
{
u8x8_ClearDisplay(u8x8);
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x032); // program update sequence
u8x8_cad_SendMultipleArg(u8x8, 8, 0x055); // all black
u8x8_cad_SendMultipleArg(u8x8, 12, 0x0aa); // all white
u8x8_cad_SendMultipleArg(u8x8, 10, 0x022); // 830ms
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1607_200x200_exec_1000dly_seq);
}
/*=================================================*/
#define L(a,b,c,d) (((a)<<6)|((b)<<4)|((c)<<2)|(d))
@ -205,7 +256,7 @@ static const uint8_t u8x8_d_ssd1607_to_display_seq[] = {
U8X8_A(0x00),
U8X8_CA(0x22, 0xc4), /* display update seq. option: clk -> CP -> LUT -> initial display -> pattern display */
U8X8_CA(0x22, 0x04), /* display update seq. option: clk -> CP -> LUT -> initial display -> pattern display */
U8X8_C(0x20), /* execute sequence */
U8X8_DLY(250), /* the sequence above requires about 1200ms for the 200x200 display*/
U8X8_DLY(250),
@ -215,40 +266,15 @@ static const uint8_t u8x8_d_ssd1607_to_display_seq[] = {
U8X8_DLY(250),
U8X8_DLY(250),
U8X8_CA(0x22, 0x03), /* disable clock and charge pump */
U8X8_DLY(250),
U8X8_DLY(250),
U8X8_DLY(100),
//U8X8_CA(0x22, 0x03), /* disable clock and charge pump */
//U8X8_DLY(250),
//U8X8_DLY(250),
//U8X8_DLY(100),
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_powersave0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_powersave1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_flip0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_ssd1607_200x200_flip1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static uint8_t *u8x8_convert_tile_for_ssd1607(uint8_t *t)
{
uint8_t i;
@ -339,38 +365,15 @@ static uint8_t u8x8_d_ssd1607_200x200_generic(u8x8_t *u8x8, uint8_t msg, uint8_t
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1607_200x200_init_seq);
#ifdef NOT_USED
/* STRATEGY FOR SSD1606 */
/* special code for the SSD1606... */
/* ensure that the initial buffer is clear and all eInk is set to white */
/* this is done here, because the LUT will be of that kind, that it uses the previous color */
/* make everything black */
u8x8_FillDisplay(u8x8);
/* write content to the display */
u8x8_RefreshDisplay(u8x8);
/* now make everything clear */
u8x8_FillDisplay(u8x8);
/* write content to the display */
u8x8_RefreshDisplay(u8x8);
/* now make everything clear */
u8x8_ClearDisplay(u8x8);
/* write content to the display */
u8x8_RefreshDisplay(u8x8);
#endif
u8x8_ClearDisplay(u8x8);
/* write content to the display */
u8x8_RefreshDisplay(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1607_200x200_powersave0_seq);
u8x8_d_ssd1607_200x200_first_init(u8x8);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
/*
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1607_200x200_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1607_200x200_powersave1_seq);
*/
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
/*