iforce2d Chris
Displays distance to start location on OLED screen.
Diff: u8g_dev_st7565_64128n.c
- Revision:
- 0:972874f31c98
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/u8g_dev_st7565_64128n.c Wed Mar 07 12:49:14 2018 +0000
@@ -0,0 +1,204 @@
+/*
+
+ u8g_dev_st7565_64128n.c (Displaytech)
+
+ Universal 8bit Graphics Library
+
+ Copyright (c) 2011, 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 "u8g.h"
+
+#define WIDTH 128
+#define HEIGHT 64
+#define PAGE_HEIGHT 8
+
+/* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */
+static const uint8_t u8g_dev_st7565_64128n_init_seq[] PROGMEM = {
+ U8G_ESC_CS(0), /* disable chip */
+ U8G_ESC_ADR(0), /* instruction mode */
+ U8G_ESC_CS(1), /* enable chip */
+ U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
+
+ 0x0A2, /* 0x0a2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
+ 0x0A0, /* Normal ADC Select (according to Displaytech 64128N datasheet) */
+
+ 0x0c8, /* common output mode: set scan direction normal operation/SHL Select, 0x0c0 --> SHL = 0, normal, 0x0c8 --> SHL = 1 */
+ 0x040, /* Display start line for Displaytech 64128N */
+
+ 0x028 | 0x04, /* power control: turn on voltage converter */
+ U8G_ESC_DLY(50), /* delay 50 ms */
+
+ 0x028 | 0x06, /* power control: turn on voltage regulator */
+ U8G_ESC_DLY(50), /* delay 50 ms */
+
+ 0x028 | 0x07, /* power control: turn on voltage follower */
+ U8G_ESC_DLY(50), /* delay 50 ms */
+
+ 0x010, /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */
+
+ 0x0a6, /* display normal, bit val 0: LCD pixel off. */
+
+ 0x081, /* set contrast */
+ 0x01e, /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
+
+
+ 0x0af, /* display on */
+
+ U8G_ESC_DLY(100), /* delay 100 ms */
+ 0x0a5, /* display all points, ST7565 */
+ U8G_ESC_DLY(100), /* delay 100 ms */
+ U8G_ESC_DLY(100), /* delay 100 ms */
+ 0x0a4, /* normal display */
+ U8G_ESC_CS(0), /* disable chip */
+ U8G_ESC_END /* end of sequence */
+};
+
+static const uint8_t u8g_dev_st7565_64128n_data_start[] PROGMEM = {
+ U8G_ESC_ADR(0), /* instruction mode */
+ U8G_ESC_CS(1), /* enable chip */
+ 0x010, /* set upper 4 bit of the col adr to 0x10 */
+ 0x000, /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
+ U8G_ESC_END /* end of sequence */
+};
+
+static const uint8_t u8g_dev_st7565_64128n_sleep_on[] PROGMEM = {
+ U8G_ESC_ADR(0), /* instruction mode */
+ U8G_ESC_CS(1), /* enable chip */
+ 0x0ac, /* static indicator off */
+ 0x000, /* indicator register set (not sure if this is required) */
+ 0x0ae, /* display off */
+ 0x0a5, /* all points on */
+ U8G_ESC_CS(1), /* disable chip */
+ U8G_ESC_END /* end of sequence */
+};
+
+static const uint8_t u8g_dev_st7565_64128n_sleep_off[] PROGMEM = {
+ U8G_ESC_ADR(0), /* instruction mode */
+ U8G_ESC_CS(1), /* enable chip */
+ 0x0a4, /* all points off */
+ 0x0af, /* display on */
+ U8G_ESC_DLY(50), /* delay 50 ms */
+ U8G_ESC_CS(1), /* disable chip */
+ U8G_ESC_END /* end of sequence */
+};
+
+uint8_t u8g_dev_st7565_64128n_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
+{
+ switch(msg)
+ {
+ case U8G_DEV_MSG_INIT:
+ u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_init_seq);
+ break;
+ case U8G_DEV_MSG_STOP:
+ break;
+ case U8G_DEV_MSG_PAGE_NEXT:
+ {
+ u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
+ u8g_WriteByte(u8g, dev, 0x0b0 | pb->p.page); /* select current page (ST7565R) */
+ u8g_SetAddress(u8g, dev, 1); /* data mode */
+ if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
+ return 0;
+ u8g_SetChipSelect(u8g, dev, 0);
+ }
+ break;
+ case U8G_DEV_MSG_CONTRAST:
+ u8g_SetChipSelect(u8g, dev, 1);
+ u8g_SetAddress(u8g, dev, 0); /* instruction mode */
+ u8g_WriteByte(u8g, dev, 0x081);
+ u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
+ u8g_SetChipSelect(u8g, dev, 0);
+ return 1;
+ case U8G_DEV_MSG_SLEEP_ON:
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_on);
+ return 1;
+ case U8G_DEV_MSG_SLEEP_OFF:
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_off);
+ return 1;
+ }
+ return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
+}
+
+uint8_t u8g_dev_st7565_64128n_2x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
+{
+ switch(msg)
+ {
+ case U8G_DEV_MSG_INIT:
+ u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_init_seq);
+ break;
+ case U8G_DEV_MSG_STOP:
+ break;
+ case U8G_DEV_MSG_PAGE_NEXT:
+ {
+ u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
+ u8g_WriteByte(u8g, dev, 0x0b0 | (2*pb->p.page)); /* select current page (ST7565R) */
+ u8g_SetAddress(u8g, dev, 1); /* data mode */
+ u8g_WriteSequence(u8g, dev, pb->width, pb->buf);
+ u8g_SetChipSelect(u8g, dev, 0);
+
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
+ u8g_WriteByte(u8g, dev, 0x0b0 | (2*pb->p.page+1)); /* select current page (ST7565R) */
+ u8g_SetAddress(u8g, dev, 1); /* data mode */
+ u8g_WriteSequence(u8g, dev, pb->width, (uint8_t *)(pb->buf)+pb->width);
+ u8g_SetChipSelect(u8g, dev, 0);
+ }
+ break;
+ case U8G_DEV_MSG_CONTRAST:
+ u8g_SetChipSelect(u8g, dev, 1);
+ u8g_SetAddress(u8g, dev, 0); /* instruction mode */
+ u8g_WriteByte(u8g, dev, 0x081);
+ u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
+ u8g_SetChipSelect(u8g, dev, 0);
+ return 1;
+ case U8G_DEV_MSG_SLEEP_ON:
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_on);
+ return 1;
+ case U8G_DEV_MSG_SLEEP_OFF:
+ u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_off);
+ return 1;
+ }
+ return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg);
+}
+
+U8G_PB_DEV(u8g_dev_st7565_64128n_sw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_SW_SPI);
+U8G_PB_DEV(u8g_dev_st7565_64128n_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_HW_SPI);
+U8G_PB_DEV(u8g_dev_st7565_64128n_parallel, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_PARALLEL);
+
+uint8_t u8g_dev_st7565_64128n_2x_buf[WIDTH*2] U8G_NOCOMMON ;
+u8g_pb_t u8g_dev_st7565_64128n_2x_pb = { {16, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_st7565_64128n_2x_buf};
+u8g_dev_t u8g_dev_st7565_64128n_2x_sw_spi = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_SW_SPI };
+u8g_dev_t u8g_dev_st7565_64128n_2x_hw_spi = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_HW_SPI };
+u8g_dev_t u8g_dev_st7565_64128n_2x_hw_parallel = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_PARALLEL };
+