--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8x8_d_max7219.c Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,404 @@
+/*
+
+ u8x8_d_max7219.c
+
+ Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
+
+ Copyright (c) 2017, 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 "u8x8.h"
+
+
+
+static const uint8_t u8x8_d_max7219_init_seq[] = {
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+
+ //U8X8_CA(12, 0), /* shutdown */
+
+ //U8X8_END_TRANSFER(), /* disable chip */
+ U8X8_END() /* end of sequence */
+};
+
+static const uint8_t u8x8_d_max7219_powersave0_seq[] = {
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_END_TRANSFER(), /* disable chip */
+ U8X8_END() /* end of sequence */
+};
+
+static const uint8_t u8x8_d_max7219_powersave1_seq[] = {
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ 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 uint8_t u8x8_d_max7219_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
+{
+ uint8_t c, j, i;
+ uint8_t *ptr;
+ switch(msg)
+ {
+ /* handled by the calling function
+ case U8X8_MSG_DISPLAY_SETUP_MEMORY:
+ u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcf8812_96x65_display_info);
+ break;
+ case U8X8_MSG_DISPLAY_INIT:
+ u8x8_d_helper_display_init(u8x8);
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
+ break;
+ case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
+ if ( arg_int == 0 )
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
+ else
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
+ break;
+ */
+/* not supported by MAX7219
+ case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
+ break;
+*/
+#ifdef U8X8_WITH_SET_CONTRAST
+ case U8X8_MSG_DISPLAY_SET_CONTRAST:
+ u8x8_cad_StartTransfer(u8x8);
+ for( i = 0; i < u8x8->display_info->tile_width; i++ )
+ {
+ u8x8_cad_SendCmd(u8x8, 10 ); /* brightness */
+ u8x8_cad_SendArg(u8x8, (arg_int>>4) ); /* 0..15 for contrast */
+ }
+ u8x8_cad_EndTransfer(u8x8);
+ break;
+#endif
+ case U8X8_MSG_DISPLAY_DRAW_TILE:
+ /* transfer always has to start at x pos 0 (u8x8 is not supported) */
+ /* also y pos has to be 0 */
+ /* arg_int is ignored */
+ //x = ((u8x8_tile_t *)arg_ptr)->x_pos;
+
+ c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
+ ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
+ for( i = 0; i < 8; i++ )
+ {
+ u8x8_cad_StartTransfer(u8x8);
+ for( j = 0; j < c; j++ )
+ {
+ u8x8_cad_SendCmd(u8x8, i+1);
+ u8x8_cad_SendArg(u8x8, *ptr );
+ ptr++;
+ }
+ u8x8_cad_EndTransfer(u8x8);
+ }
+
+ break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+/*==============================*/
+
+static const u8x8_display_info_t u8x8_max7219_32x8_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 = */ 4,
+ /* tile_hight = */ 1,
+ /* default_x_offset = */ 0,
+ /* flipmode_x_offset = */ 0,
+ /* pixel_width = */ 32,
+ /* pixel_height = */ 8
+};
+
+uint8_t u8x8_d_max7219_32x8(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_32x8_display_info);
+ return 1;
+ case U8X8_MSG_DISPLAY_INIT:
+ u8x8_d_helper_display_init(u8x8);
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
+ return 1;
+ case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
+ if ( arg_int == 0 )
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
+ else
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
+ return 1;
+ }
+ return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
+}
+
+/*==============================*/
+
+static const u8x8_display_info_t u8x8_max7219_8x8_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 = */ 1,
+ /* tile_hight = */ 1,
+ /* default_x_offset = */ 0,
+ /* flipmode_x_offset = */ 0,
+ /* pixel_width = */ 8,
+ /* pixel_height = */ 8
+};
+
+uint8_t u8x8_d_max7219_8x8(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_8x8_display_info);
+ return 1;
+ case U8X8_MSG_DISPLAY_INIT:
+ u8x8_d_helper_display_init(u8x8);
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_init_seq);
+ return 1;
+ case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
+ if ( arg_int == 0 )
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave0_seq);
+ else
+ u8x8_cad_SendSequence(u8x8, u8x8_d_max7219_powersave1_seq);
+ return 1;
+ }
+ return u8x8_d_max7219_generic(u8x8, msg, arg_int, arg_ptr);
+}
+
+
+/*==============================*/
+
+static const uint8_t u8x8_d_max7219_8_init_seq[] = {
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_CA(15, 0), /* test mode off */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_CA(12, 0), /* */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_CA(9, 0), /* decode mode: graphics */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_CA(10, 10), /* medium high intensity */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_CA(11, 7), /* scan limit: display all digits (assuming a 8x8 matrix) */
+ U8X8_END_TRANSFER(), /* disable chip */
+
+
+ //U8X8_CA(12, 0), /* shutdown */
+
+ //U8X8_END_TRANSFER(), /* disable chip */
+ U8X8_END() /* end of sequence */
+};
+
+static const uint8_t u8x8_d_max7219_8_powersave0_seq[] = {
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_CA(12, 1), /* display on */
+ U8X8_END_TRANSFER(), /* disable chip */
+ U8X8_END() /* end of sequence */
+};
+
+static const uint8_t u8x8_d_max7219_8_powersave1_seq[] = {
+ U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
+ 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_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_hight = */ 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);
+}
+
+