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u8g2-copy/csrc/u8x8_d_st7528.c

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/*
u8x8_d_st7528.c
Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
Copyright (c) 2019, olikraus@gmail.com
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or other
materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
ST7528: 16 Graylevel Controller
https://github.com/olikraus/u8g2/issues/986
I2C Address: 0x03f (0x7e)
ERC16004
https://www.buydisplay.com/default/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white
*/
#include "u8x8.h"
static const uint8_t u8x8_d_st7528_powersave0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_CA(0x038, 0x074), /* ext mode 0*/
U8X8_C(0x0af), /* display on */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_st7528_powersave1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_CA(0x038, 0x074), /* ext mode 0*/
U8X8_C(0x0ae), /* display off */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_st7528_flip0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_C(0x0a0), /* ADC */
U8X8_C(0x0c8), /* SHL */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_st7528_flip1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_C(0x0a1), /* ADC */
U8X8_C(0x0c0), /* SHL */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
/*
input:
one tile (8 Bytes)
output:
Tile for st7528 (32 Bytes)
*/
static uint8_t u8x8_st7528_8to32_dest_buf[32];
static uint8_t *u8x8_st7528_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr)
{
uint8_t j;
uint8_t *dest;
dest = u8x8_st7528_8to32_dest_buf;
for( j = 0; j < 8; j++ )
{
*dest++ =*ptr;
*dest++ =*ptr;
*dest++ =*ptr;
*dest++ =*ptr;
ptr++;
}
return u8x8_st7528_8to32_dest_buf;
}
static uint8_t u8x8_d_st7528_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x;
uint8_t y, 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_st7528_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_nhd_c160100_init_seq);
*/
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_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 ); /* ssd1326 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; // not clear
y = (((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_SendCmd(u8x8, 0xb0 | y ); /* set page address */
u8x8_cad_SendCmd(u8x8, 0x10| (x>>4) ); /* set col msb*/
u8x8_cad_SendCmd(u8x8, 0x00| (x&15) ); /* set col lsb*/
u8x8_cad_SendData(u8x8, 32, u8x8_st7528_8to32(u8x8, ptr));
ptr += 8;
x += 8;
c--;
} while( c > 0 );
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
static void u8x8_d_st7528_graylevel_init(u8x8_t *u8x8, uint8_t mode0)
{
uint8_t i;
u8x8_cad_StartTransfer(u8x8);
u8x8_cad_SendCmd(u8x8, 0x38 );
u8x8_cad_SendArg(u8x8, mode0+1 );
for( i = 0; i < 64; i++ )
{
u8x8_cad_SendCmd(u8x8, i+0x080 );
u8x8_cad_SendArg(u8x8, i & 0xfc);
}
u8x8_cad_SendCmd(u8x8, 0x38 );
u8x8_cad_SendArg(u8x8, mode0 );
u8x8_cad_EndTransfer(u8x8);
}
/*===============================================================*/
/* NHD C160100 */
static const uint8_t u8x8_d_st7528_nhd_c160100_init_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
/*
I2C_out(0x48);//partial display duty ratio
I2C_out(0x64);// 1/100 duty
I2C_out(0xA0);//ADC select
I2C_out(0xC8);//SHL select
I2C_out(0x44);//initial Com0 register
I2C_out(0x00);//scan from Com0
I2C_out(0xAB);//OSC on
I2C_out(0x26);//
I2C_out(0x81); //set electronic volume
I2C_out(0x15);//vopcode=0x1C
I2C_out(0x56);//set 1/11 bias
I2C_out(0x64);//3x
delay(2);
I2C_out(0x2C);//
I2C_out(0x66);//5x
delay(2);
I2C_out(0x2E);//
delay(2);
I2C_out(0x2F);//power control
I2C_out(0xF3);//bias save circuit
I2C_out(0x00);//
I2C_out(0x96);//frc and pwm
I2C_out(0x38);//external mode
I2C_out(0x75);//
I2C_out(0x97);//3frc, 45 pwm THIS IS A MODE0 CMD, IT IS USELESS HERE
I2C_out(0x80);//start 16-level grayscale settings
*/
U8X8_CA(0x038, 0x064), /* ext mode 0*/
U8X8_CA(0x048, 0x064), /* partial display duty ratio, 1/100 duty*/
U8X8_C(0x0a0), /* ADC */
U8X8_C(0x0c8), /* SHL */
U8X8_CA(0x044, 0x000), /* initial Com0 */
U8X8_CA(0x040, 0x000), /* y shift, issue https://github.com/olikraus/u8g2/issues/1828 */
U8X8_C(0x0ab), /* start oscillator */
U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */
U8X8_CA(0x081, 0x015), /* volumn */
U8X8_C(0x056), /* LCD Bias */
U8X8_C(0x064), /* DC DC step up */
U8X8_DLY(2),
U8X8_C(0x02c), /* Power Control */
U8X8_C(0x066), /* DC DC step up */
U8X8_DLY(2),
U8X8_C(0x02e), /* Power Control */
U8X8_DLY(2),
U8X8_C(0x02f), /* Power Control */
U8X8_CA(0x0f3, 0x000), /* bias power save */
U8X8_C(0x096), /* frc and pwm */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const u8x8_display_info_t u8x8_st7528_160x100_display_info =
{
/* chip_enable_level = */ 0,
/* chip_disable_level = */ 1,
/* post_chip_enable_wait_ns = */ 20,
/* pre_chip_disable_wait_ns = */ 20,
/* reset_pulse_width_ms = */ 5,
/* post_reset_wait_ms = */ 5, /**/
/* sda_setup_time_ns = */ 20, /* st7528 */
/* sck_pulse_width_ns = */ 25, /* st7528 */
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
/* st7528 actually allows 20MHz according to the datasheet */
/* spi_mode = */ 0, /* active high, rising edge */
/* i2c_bus_clock_100kHz = */ 4,
/* data_setup_time_ns = */ 40,
/* write_pulse_width_ns = */ 80, /* st7528 */
/* tile_width = */ 20,
/* tile_height = */ 13,
/* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
/* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
/* pixel_width = */ 160,
/* pixel_height = */ 100
};
uint8_t u8x8_d_st7528_nhd_c160100(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY )
{
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_160x100_display_info);
return 1;
}
if ( msg == U8X8_MSG_DISPLAY_INIT )
{
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_nhd_c160100_init_seq);
u8x8_d_st7528_graylevel_init(u8x8, 0x074);
return 1;
}
return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr);
}
/*===============================================================*/
/* ERC16064, https://www.buydisplay.com/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white */
/*
#define ModeSet 0x38
#define ModeSetP1 0x64 //EXT=0
#define ModeSetP2 0x65 //EXT=1
#define Display_on 0xaf
#define Display_off 0xae
#define Regulator 0x26
#define Contrast_level 0x81
#define PowerControll_on1 0x2c
#define PowerControll_on2 0x2e
#define PowerControll_on3 0x2f
#define LcdBias_9 0x54
#define InterOsc_on 0xab
#define EntireDisp_on 0xa5
#define EntireDisp_off 0xa4
#define BoostLevel_5 0x66
#define Duty_set 0x48
#define Duty_setP 0x40
#define Start_columnlsb 0x00
#define Start_columnmsb 0x10
#define Start_page 0xb0
#define StartLine_set 0x40
//#define StartLine_setP 0x00
#define Set_Initial_COM0 0x44
#define Set_Initial_COM0P 0x12
#define Entire_Displa_ON 0xA5
#define Entire_Displa_OFF 0xA4
#define FrcPwm_set 0x92
#define NLineInversion_on 0x4c
#define NLineInversion_onP 0x1f
#define NLineInversion_off 0xe4
#define ReverseDisp_on 0xa7
#define ReverseDisp_off 0xa6
#define AdcSelect 0xa0
#define ComScanDirection 0xc8
Write_command(ModeSet); 0x38, 0x64
Write_command(ModeSetP1);
Write_command(InterOsc_on); 0xab
Write_command(Set_Initial_COM0); 0x44, 0x12
Write_command(Set_Initial_COM0P);
Write_command(AdcSelect); 0xa0
Write_command(ComScanDirection); 0xc8
Write_command(BoostLevel_5); 0x66
Delay(1000);
Write_command(LcdBias_9); 0x54
Write_command(Duty_set); 0x48, 0x40
Write_command(Duty_setP);
Write_command(Regulator); 0x26
Write_command(Contrast_level); 0x81, 0x0b
Write_command(Contrast_levelP);
Write_command(PowerControll_on1); 0x2c
Delay(10000);
Write_command(PowerControll_on2); 0x2e
Delay(1000);
Write_command(PowerControll_on3); 0x2f
Delay(1000);
Write_command(FrcPwm_set); 0x92
Write_command(ModeSet);
Write_command(ModeSetP2);
for(i=0;i<64;i++)
{
Write_command(0x80+i);
Write_command(Gray_Parameters[i]);
}
Write_command(ModeSet);
Write_command(ModeSetP1);
*/
static const uint8_t u8x8_d_st7528_erc16064_init_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_CA(0x038, 0x064), /* ext mode 0*/
U8X8_C(0x0ab), /* start oscillator */
U8X8_CA(0x044, 0x012), /* initial Com0 */
U8X8_C(0x0a0), /* ADC */
U8X8_C(0x0c8), /* SHL */
U8X8_C(0x066), /* boost level, ERC16064: 0x066 */
U8X8_DLY(1),
U8X8_C(0x054), /* LCD Bias, ERC16064: 0x054 */
U8X8_CA(0x048, 0x040), /* partial display duty ratio */
U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */
U8X8_CA(0x081, 0x00b), /* contrast, ERC16064: 0x00b */
U8X8_C(0x02c), /* Power Control */
U8X8_DLY(2),
U8X8_C(0x02e), /* Power Control */
U8X8_DLY(2),
U8X8_C(0x02f), /* Power Control */
U8X8_DLY(2),
U8X8_C(0x092), /* frc and pwm, ERC160624: 0x092 */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const u8x8_display_info_t u8x8_st7528_erc16064_display_info =
{
/* chip_enable_level = */ 0,
/* chip_disable_level = */ 1,
/* post_chip_enable_wait_ns = */ 20,
/* pre_chip_disable_wait_ns = */ 20,
/* reset_pulse_width_ms = */ 5,
/* post_reset_wait_ms = */ 5, /**/
/* sda_setup_time_ns = */ 20, /* st7528 */
/* sck_pulse_width_ns = */ 25, /* st7528 */
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
/* st7528 actually allows 20MHz according to the datasheet */
/* spi_mode = */ 0, /* active high, rising edge */
/* i2c_bus_clock_100kHz = */ 4,
/* data_setup_time_ns = */ 40,
/* write_pulse_width_ns = */ 80, /* st7528 */
/* tile_width = */ 20,
/* tile_height = */ 8,
/* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
/* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
/* pixel_width = */ 160,
/* pixel_height = */ 64
};
uint8_t u8x8_d_st7528_erc16064(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY )
{
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_erc16064_display_info);
return 1;
}
if ( msg == U8X8_MSG_DISPLAY_INIT )
{
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_erc16064_init_seq);
u8x8_d_st7528_graylevel_init(u8x8, 0x064);
return 1;
}
return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr);
}
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