--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8x8_d_st7528.c Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,313 @@
+/*
+
+ 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)
+
+*/
+
+
+#include "u8x8.h"
+
+
+/* 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(0x048, 0x064), /* partial display duty ratio, 1/100 duty*/
+ U8X8_C(0x0a0), /* ADC */
+ U8X8_C(0x0c8), /* SHL */
+ U8X8_CA(0x044, 0x000), /* initial Com0 */
+ 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_CA(0x038, 0x075), /* ext mode 1*/
+
+ /* graylevel setup */
+ U8X8_CA(0x80, 0x00), U8X8_CA(0x81, 0x00), U8X8_CA(0x82, 0x00), U8X8_CA(0x83, 0x00),
+ U8X8_CA(0x84, 0x06), U8X8_CA(0x85, 0x06), U8X8_CA(0x86, 0x06), U8X8_CA(0x87, 0x06),
+ U8X8_CA(0x88, 0x0b), U8X8_CA(0x89, 0x0b), U8X8_CA(0x8a, 0x0b), U8X8_CA(0x8b, 0x0b),
+ U8X8_CA(0x8c, 0x10), U8X8_CA(0x8d, 0x10), U8X8_CA(0x8e, 0x10), U8X8_CA(0x8f, 0x10),
+
+ U8X8_CA(0x90, 0x15), U8X8_CA(0x91, 0x15), U8X8_CA(0x92, 0x15), U8X8_CA(0x93, 0x15),
+ U8X8_CA(0x94, 0x1a), U8X8_CA(0x95, 0x1a), U8X8_CA(0x96, 0x1a), U8X8_CA(0x97, 0x1a),
+ U8X8_CA(0x98, 0x1e), U8X8_CA(0x99, 0x1e), U8X8_CA(0x9a, 0x1e), U8X8_CA(0x9b, 0x1e),
+ U8X8_CA(0x9c, 0x23), U8X8_CA(0x9d, 0x23), U8X8_CA(0x9e, 0x23), U8X8_CA(0x9f, 0x23),
+
+ U8X8_CA(0xa0, 0x27), U8X8_CA(0xa1, 0x27), U8X8_CA(0xa2, 0x27), U8X8_CA(0xa3, 0x27),
+ U8X8_CA(0xa4, 0x2b), U8X8_CA(0xa5, 0x2b), U8X8_CA(0xa6, 0x2b), U8X8_CA(0xa7, 0x2b),
+ U8X8_CA(0xa8, 0x2f), U8X8_CA(0xa9, 0x2f), U8X8_CA(0xaa, 0x2f), U8X8_CA(0xab, 0x2f),
+ U8X8_CA(0xac, 0x32), U8X8_CA(0xad, 0x32), U8X8_CA(0xae, 0x32), U8X8_CA(0xaf, 0x32),
+
+ U8X8_CA(0xb0, 0x35), U8X8_CA(0xb1, 0x35), U8X8_CA(0xb2, 0x35), U8X8_CA(0xb3, 0x35),
+ U8X8_CA(0xb4, 0x38), U8X8_CA(0xb5, 0x38), U8X8_CA(0xb6, 0x38), U8X8_CA(0xb7, 0x38),
+ U8X8_CA(0xb8, 0x3a), U8X8_CA(0xb9, 0x3a), U8X8_CA(0xba, 0x3a), U8X8_CA(0xbb, 0x3a),
+ U8X8_CA(0xbc, 0x3c), U8X8_CA(0xbd, 0x3c), U8X8_CA(0xbe, 0x3c), U8X8_CA(0xbf, 0x3c),
+
+ U8X8_CA(0x038, 0x074), /* ext mode 0*/
+
+ U8X8_END_TRANSFER(), /* disable chip */
+ U8X8_END() /* end of sequence */
+};
+
+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_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_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 v;
+ uint8_t a,b;
+ uint8_t i, j;
+ uint8_t *dest;
+
+ for( j = 0; j < 4; j++ )
+ {
+ dest = u8x8_st7528_8to32_dest_buf;
+ dest += j;
+ a =*ptr;
+ ptr++;
+ b = *ptr;
+ ptr++;
+ for( i = 0; i < 8; i++ )
+ {
+ v = 0;
+ if ( a&1 ) v |= 0xf0;
+ if ( b&1 ) v |= 0x0f;
+ *dest = v;
+ dest+=4;
+ a >>= 1;
+ b >>= 1;
+ }
+ }
+
+ 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, 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 *= 4; // 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 += 4;
+ c--;
+ } while( c > 0 );
+
+ //x += 4;
+ arg_int--;
+ } while( arg_int > 0 );
+
+ u8x8_cad_EndTransfer(u8x8);
+ break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+
+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_hight = */ 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;
+ }
+ return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr);
+}
+
+