mirror of
https://github.com/Valeh2012/PersonalVotingMachine
synced 2024-11-26 02:40:59 +02:00
257 lines
8.7 KiB
C
257 lines
8.7 KiB
C
/*
|
|
u8x8_d_st7586s_erc240160.c
|
|
|
|
Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
|
|
|
|
Copyright (c) 2018, 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.
|
|
|
|
*/
|
|
|
|
#include "u8g2.h"
|
|
|
|
|
|
static const uint8_t u8x8_d_st7586s_sleep_on[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x010), /* set power save mode */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_st7586s_sleep_off[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x011), //Sleep out
|
|
U8X8_DLY(50), /* delay 50 ms */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_st7586s_erc240160_flip0_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x036), /* Scan Direction Setting */
|
|
U8X8_A(0x0C8), /* COM159 -> COM0 SEG383 -> SEG0 */
|
|
U8X8_C(0x037), /* Start line 0 */
|
|
U8X8_A(0x000),
|
|
U8X8_C(0x02A), /* Column Address Setting */
|
|
U8X8_A(0x000), /* COL8 -> COL127 */
|
|
U8X8_A(0x008),
|
|
U8X8_A(0x000),
|
|
U8X8_A(0x07F), /* 120*3=240 pixels + 120 unused */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_st7586s_erc240160_flip1_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x036), /* Scan Direction Setting */
|
|
U8X8_A(0x000), /* COM0 -> COM159 SEG0 -> SEG383 */
|
|
U8X8_C(0x037), /* Start line 0 */
|
|
U8X8_A(0x000),
|
|
U8X8_C(0x02A), /* Column Address Setting */
|
|
U8X8_A(0x000), /* COL0 -> COL119 */
|
|
U8X8_A(0x000),
|
|
U8X8_A(0x000),
|
|
U8X8_A(0x077), /* 120*3=240 pixels + 120 unused */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_st7586s_erc240160_init_seq[] = {
|
|
U8X8_END_TRANSFER(),/* disable chip */
|
|
// U8G_ESC_RST(1), /* hardware reset */
|
|
U8X8_DLY(60), /* Delay 60 ms */
|
|
U8X8_START_TRANSFER(),/* enable chip */
|
|
|
|
U8X8_C(0x001), // Soft reset
|
|
U8X8_DLY(60), // Delay 120 ms
|
|
|
|
U8X8_C(0x011), // Sleep Out
|
|
U8X8_C(0x028), // Display OFF
|
|
U8X8_DLY(25), // Delay 50 ms
|
|
|
|
U8X8_CAA(0x0C0,0x036,0x01),// Vop = 136h data sheet suggested 0x0145 but this caused streaks
|
|
|
|
U8X8_CA(0x0C3,0x000), // BIAS = 1/14
|
|
|
|
U8X8_CA(0x0C4,0x007), // Booster = x8
|
|
|
|
U8X8_CA(0x0D0,0x01D), // Enable Analog Circuit
|
|
|
|
U8X8_CA(0x0B3,0x000), // Set FOSC divider
|
|
|
|
U8X8_CA(0x0B5,0x000), // N-Line = 0
|
|
|
|
U8X8_C(0x039), // 0x39 Monochrome mode. 0x38 - gray Mode
|
|
|
|
U8X8_C(0x03A), // Enable DDRAM Interface
|
|
U8X8_A(0x002), // monochrome and 4-level
|
|
|
|
U8X8_C(0x036), // Scan Direction Setting
|
|
U8X8_A(0x0C8), // COM:C159->C0 SEG: SEG383->SEG0
|
|
|
|
U8X8_C(0x0B1), // First output COM
|
|
U8X8_A(0x000), //
|
|
|
|
U8X8_C(0x0B0), // Duty Setting (num rows - 1)
|
|
U8X8_A(0x09F),
|
|
|
|
U8X8_C(0x020), // Display inversion off
|
|
|
|
U8X8_C(0x02A), // Column Address Setting
|
|
U8X8_A(0x000), // COL0 -> COL127
|
|
U8X8_A(0x008), //
|
|
U8X8_A(0x000), //
|
|
U8X8_A(0x07F), // 80*3=240 pixels
|
|
|
|
U8X8_C(0x02B), // Row Address Setting
|
|
U8X8_A(0x000), // ROW0 -> ROW159
|
|
U8X8_A(0x000), //
|
|
U8X8_A(0x000), //
|
|
U8X8_A(0x09F), // 160 pixels
|
|
|
|
U8X8_C(0x029), // Display ON
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const u8x8_display_info_t u8x8_st7586s_erc240160_display_info =
|
|
{
|
|
/* chip_enable_level = */ 0,
|
|
/* chip_disable_level = */ 1,
|
|
|
|
/* post_chip_enable_wait_ns = */ 5,
|
|
/* pre_chip_disable_wait_ns = */ 5,
|
|
/* reset_pulse_width_ms = */ 1,
|
|
/* post_reset_wait_ms = */ 6,
|
|
/* sda_setup_time_ns = */ 20,
|
|
/* sck_pulse_width_ns = */ 100, /* datasheet ST7586S */
|
|
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
|
|
/* ST7586+Atmega128RFA1 works with 8MHz */
|
|
/* spi_mode = */ 3, /* active high, rising edge */
|
|
/* i2c_bus_clock_100kHz = */ 4,
|
|
/* data_setup_time_ns = */ 20, /* datasheet suggests min 20 */
|
|
/* write_pulse_width_ns = */ 40,
|
|
/* tile_width = */ 30,
|
|
/* tile_height = */ 20,
|
|
/* default_x_offset = */ 0, /* abused as flag to know if we are flipped */
|
|
/* flipmode_x_offset = */ 1, /* as pixel order different for normal/flipped */
|
|
/* pixel_width = */ 240,
|
|
/* pixel_height = */ 160
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* st7586s_erc240160 driver. ST7586 based display from buydisplay.com
|
|
******************************************************************************/
|
|
uint8_t u8x8_d_st7586s_erc240160(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) {
|
|
|
|
uint8_t c;
|
|
uint8_t *ptr;
|
|
uint8_t i, byte;
|
|
uint32_t input;
|
|
uint8_t output[4];
|
|
switch (msg) {
|
|
case U8X8_MSG_DISPLAY_DRAW_TILE:
|
|
u8x8_cad_StartTransfer(u8x8); // OK Start transfer
|
|
u8x8_cad_SendCmd(u8x8, 0x02B); /* Row Address Setting */
|
|
u8x8_cad_SendArg(u8x8, 0x000);
|
|
u8x8_cad_SendArg(u8x8, 0x008 * ((u8x8_tile_t *)arg_ptr)->y_pos);
|
|
u8x8_cad_SendArg(u8x8, 0x000);
|
|
u8x8_cad_SendArg(u8x8, 0x09F); // should set end row based on display dimensions
|
|
u8x8_cad_SendCmd(u8x8, 0x02C); /* cmd write display data to ram */
|
|
c = ((u8x8_tile_t *) arg_ptr)->cnt; //
|
|
c *= 8;
|
|
ptr = ((u8x8_tile_t *) arg_ptr)->tile_ptr; //
|
|
|
|
// The ST7586S has an unusual 3 pixels per byte format the ERC240160 is even more annoying
|
|
// as it has every 3rd COM line disconnected for extra oddness so here we read in a byte
|
|
// (8 pixels) and pack that into 4 bytes of 2 pixels + 1 unused each. This has to be done
|
|
// in a different order for flipped, normal UUx11x22 flipped 11x22xUU
|
|
while (c > 0) {
|
|
input = ((uint8_t)ptr[0]);
|
|
|
|
for (i=0; i<4; i++)
|
|
{
|
|
byte = 0;
|
|
if (u8x8->x_offset ==0){
|
|
if (input & 0x80) // if bit 7
|
|
byte = byte | 0x18; //set pixel 1
|
|
if (input & 0x40) // if bit 6
|
|
byte = byte | 0x3; //set pixel 2
|
|
}
|
|
if (u8x8->x_offset ==1){
|
|
if (input & 0x80) // if bit 7
|
|
byte = byte | 0xC0; //set pixel 1
|
|
if (input & 0x40) // if bit 6
|
|
byte = byte | 0x18; //set pixel 2
|
|
}
|
|
output[i] = byte;
|
|
input <<= 2;
|
|
}
|
|
|
|
u8x8_cad_SendData(u8x8, 4, output);
|
|
ptr += 1;
|
|
c -= 1;
|
|
}
|
|
u8x8_cad_EndTransfer(u8x8);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_INIT:
|
|
u8x8_d_helper_display_init(u8x8);
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_erc240160_init_seq);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
|
|
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7586s_erc240160_display_info);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
|
|
if ( arg_int == 0 )
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_erc240160_flip0_seq);
|
|
u8x8->x_offset = u8x8->display_info->default_x_offset;
|
|
}
|
|
else
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_erc240160_flip1_seq);
|
|
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
|
|
}
|
|
break;
|
|
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
|
|
if (arg_int == 0)
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_sleep_off);
|
|
else
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_sleep_on);
|
|
break;
|
|
#ifdef U8X8_WITH_SET_CONTRAST
|
|
case U8X8_MSG_DISPLAY_SET_CONTRAST:
|
|
u8x8_cad_StartTransfer(u8x8);
|
|
u8x8_cad_SendCmd(u8x8, 0x0C0);
|
|
u8x8_cad_SendArg(u8x8, arg_int);
|
|
u8x8_cad_SendArg(u8x8, 1);
|
|
u8x8_cad_EndTransfer(u8x8);
|
|
break;
|
|
#endif
|
|
default:
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|