--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8x8_d_st7586s_erc240160.c Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,256 @@
+/*
+ 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;
+}