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459 lines
16 KiB
459 lines
16 KiB
/*
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u8x8_d_max7219.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2017, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "u8x8.h"
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static const uint8_t u8x8_d_max7219_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_END_TRANSFER(), /* disable chip */
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//U8X8_CA(12, 0), /* shutdown */
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//U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_max7219_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_max7219_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static uint8_t u8x8_d_max7219_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint8_t c, j, i;
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uint8_t *ptr;
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switch(msg)
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{
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/* handled by the calling function
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcf8812_96x65_display_info);
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break;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
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break;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
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break;
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*/
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/* not supported by MAX7219
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case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
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break;
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*/
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#ifdef U8X8_WITH_SET_CONTRAST
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case U8X8_MSG_DISPLAY_SET_CONTRAST:
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u8x8_cad_StartTransfer(u8x8);
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for( i = 0; i < u8x8->display_info->tile_width; i++ )
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{
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u8x8_cad_SendCmd(u8x8, 10 ); /* brightness */
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u8x8_cad_SendArg(u8x8, (arg_int>>4) ); /* 0..15 for contrast */
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}
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u8x8_cad_EndTransfer(u8x8);
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break;
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#endif
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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/* transfer always has to start at x pos 0 (u8x8 is not supported) */
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/* also y pos has to be 0 */
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/* arg_int is ignored */
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//x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
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for( i = 0; i < 8; i++ )
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{
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u8x8_cad_StartTransfer(u8x8);
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for( j = 0; j < c; j++ )
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{
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u8x8_cad_SendCmd(u8x8, i+1); /* commands 1..8 select the byte */
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u8x8_cad_SendArg(u8x8, *ptr );
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ptr++;
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}
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u8x8_cad_EndTransfer(u8x8);
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}
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break;
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default:
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return 0;
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}
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return 1;
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}
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/*==============================*/
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static const u8x8_display_info_t u8x8_max7219_32x8_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 100,
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/* pre_chip_disable_wait_ns = */ 100,
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/* reset_pulse_width_ms = */ 100,
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/* post_reset_wait_ms = */ 100,
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/* sda_setup_time_ns = */ 100,
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/* sck_pulse_width_ns = */ 100,
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/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4,
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/* data_setup_time_ns = */ 40,
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/* write_pulse_width_ns = */ 150,
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/* tile_width = */ 4,
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/* tile_height = */ 1,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 32,
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/* pixel_height = */ 8
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};
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uint8_t u8x8_d_max7219_32x8(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SETUP_MEMORY :
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_max7219_32x8_display_info);
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return 1;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
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return 1;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
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return 1;
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}
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return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
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}
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/*==============================*/
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static const u8x8_display_info_t u8x8_max7219_16x16_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 100,
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/* pre_chip_disable_wait_ns = */ 100,
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/* reset_pulse_width_ms = */ 100,
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/* post_reset_wait_ms = */ 100,
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/* sda_setup_time_ns = */ 100,
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/* sck_pulse_width_ns = */ 100,
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/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4,
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/* data_setup_time_ns = */ 40,
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/* write_pulse_width_ns = */ 150,
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/* tile_width = */ 2,
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/* tile_height = */ 2,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 16,
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/* pixel_height = */ 16
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};
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/*
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Multiple page rows are not supported, so 16x16 will not work.
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Due to the hardware structure of such displays all tiles of the display
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must be written at once.
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This is not possible with the current u8g2 structure.
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So u8x8_d_max7219_16x16 will not work.
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*/
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uint8_t u8x8_d_max7219_16x16(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SETUP_MEMORY :
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_max7219_16x16_display_info);
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return 1;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
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return 1;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
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return 1;
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}
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return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
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}
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/*==============================*/
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static const u8x8_display_info_t u8x8_max7219_8x8_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 100,
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/* pre_chip_disable_wait_ns = */ 100,
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/* reset_pulse_width_ms = */ 100,
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/* post_reset_wait_ms = */ 100,
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/* sda_setup_time_ns = */ 100,
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/* sck_pulse_width_ns = */ 100,
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/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4,
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/* data_setup_time_ns = */ 40,
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/* write_pulse_width_ns = */ 150,
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/* tile_width = */ 1,
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/* tile_height = */ 1,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 8,
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/* pixel_height = */ 8
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};
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uint8_t u8x8_d_max7219_8x8(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SETUP_MEMORY :
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_max7219_8x8_display_info);
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return 1;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
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return 1;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
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return 1;
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}
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return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
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}
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/*==============================*/
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static const uint8_t u8x8_d_max7219_8_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_CA(15, 0), /* test mode off */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_CA(12, 0), /* */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_CA(9, 0), /* decode mode: graphics */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_CA(10, 10), /* medium high intensity */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
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U8X8_END_TRANSFER(), /* disable chip */
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//U8X8_CA(12, 0), /* shutdown */
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//U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_max7219_8_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_CA(12, 1), /* display on */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_max7219_8_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
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U8X8_CA(12, 0), /* shutdown */
|
|
U8X8_CA(12, 0), /* shutdown */
|
|
U8X8_CA(12, 0), /* shutdown */
|
|
U8X8_CA(12, 0), /* shutdown */
|
|
U8X8_CA(12, 0), /* shutdown */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
|
|
static const u8x8_display_info_t u8x8_max7219_64x8_display_info =
|
|
{
|
|
/* chip_enable_level = */ 0,
|
|
/* chip_disable_level = */ 1,
|
|
|
|
/* post_chip_enable_wait_ns = */ 100,
|
|
/* pre_chip_disable_wait_ns = */ 100,
|
|
/* reset_pulse_width_ms = */ 100,
|
|
/* post_reset_wait_ms = */ 100,
|
|
/* sda_setup_time_ns = */ 100,
|
|
/* sck_pulse_width_ns = */ 100,
|
|
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
|
|
/* spi_mode = */ 0, /* active high, rising edge */
|
|
/* i2c_bus_clock_100kHz = */ 4,
|
|
/* data_setup_time_ns = */ 40,
|
|
/* write_pulse_width_ns = */ 150,
|
|
/* tile_width = */ 8,
|
|
/* tile_height = */ 1,
|
|
/* default_x_offset = */ 0,
|
|
/* flipmode_x_offset = */ 0,
|
|
/* pixel_width = */ 64,
|
|
/* pixel_height = */ 8
|
|
};
|
|
|
|
uint8_t u8x8_d_max7219_64x8(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
|
|
{
|
|
switch(msg)
|
|
{
|
|
case U8X8_MSG_DISPLAY_SETUP_MEMORY :
|
|
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_max7219_64x8_display_info);
|
|
return 1;
|
|
case U8X8_MSG_DISPLAY_INIT:
|
|
u8x8_d_helper_display_init(u8x8);
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_8_init_seq);
|
|
return 1;
|
|
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
|
|
if ( arg_int == 0 )
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_8_powersave0_seq);
|
|
else
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_8_powersave1_seq);
|
|
return 1;
|
|
}
|
|
return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
|
|
}
|
|
|
|
|
|
|