diff -r 000000000000 -r 88d965579617 components/u8g2/csrc/u8x8_d_max7219.c --- /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); +} + +