105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* MCU renderer
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* ST7565 driver
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*
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* (C) 2023-2024 Gissio
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*
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* License: MIT
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*/
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#include "mcu-renderer-st7565.h"
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static const uint8_t mr_st7565_init_sequence[] = {
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MR_SLEEP(1),
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MR_SET_RESET(true),
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MR_SLEEP(1),
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MR_SET_RESET(false),
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MR_SLEEP(1),
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MR_SEND_COMMAND(MR_ST7565_POWER | MR_ST7565_POWER_VB |
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MR_ST7565_POWER_VR | MR_ST7565_POWER_VF),
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MR_END(),
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};
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static const uint8_t mr_st7565_display_on_sequence[] = {
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// Powersave off (compound command)
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MR_SEND_COMMAND(MR_ST7565_ALLPIXEL_OFF),
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MR_SEND_COMMAND(MR_ST7565_DISPLAY_ON),
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MR_END(),
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};
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static const uint8_t mr_st7565_display_off_sequence[] = {
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// Powersave on (compound command)
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MR_SEND_COMMAND(MR_ST7565_DISPLAY_OFF),
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MR_SEND_COMMAND(MR_ST7565_ALLPIXEL_ON),
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MR_END(),
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};
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void mr_st7565_init(mr_t *mr,
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int16_t width,
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int16_t height,
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mr_display_rotation_t rotation,
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uint8_t *framebuffer,
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mr_sleep_callback_t sleep_callback,
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mr_set_reset_callback_t set_reset_callback,
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mr_set_command_callback_t set_command_callback,
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mr_send_callback_t send_callback)
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{
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mr_init(mr);
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mr->display_width = width;
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mr->display_height = height;
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mr->display_rotation = rotation;
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mr->buffer = framebuffer;
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mr->draw_rectangle_callback = mr_draw_rectangle_framebuffer_monochrome_vertical;
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mr->draw_string_callback = mr_draw_string_framebuffer_monochrome_vertical;
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#if defined(MCURENDERER_IMAGE_SUPPORT)
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mr->draw_image_callback = mr_draw_image_framebuffer_monochrome_vertical;
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#endif
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mr->sleep_callback = sleep_callback;
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mr->set_reset_callback = set_reset_callback;
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mr->set_command_callback = set_command_callback;
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mr->send_callback = send_callback;
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mr_send_sequence(mr, mr_st7565_init_sequence);
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}
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void mr_st7565_set_display(mr_t *mr,
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bool value)
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{
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mr_send_sequence(mr,
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value
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? mr_st7565_display_on_sequence
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: mr_st7565_display_off_sequence);
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}
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void mr_st7565_refresh_display(mr_t *mr)
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{
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for (int16_t pageIndex = 0;
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pageIndex < (mr->display_height / 8);
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pageIndex++)
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{
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// Send page address
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mr_send_command(mr, MR_ST7565_PAGE_ADDRESS | pageIndex);
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// Send column address
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mr_send_command(mr, MR_ST7565_COLUMN_LSB | 0x00);
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mr_send_command(mr, MR_ST7565_COLUMN_MSB | 0x00);
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// Send data
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mr_set_command(mr, false);
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uint8_t *buffer = (uint8_t *)mr->buffer +
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mr->display_width * pageIndex;
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for (int16_t i = 0;
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i < mr->display_width;
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i++)
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mr_send(mr, buffer[i]);
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}
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}
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