#include "qp_internal.h" #include "qp_comms.h" #include "qp_surface_internal.h" #include "qp_oled_panel.h" #include "qp_sh1107.h" #include "qp_sh1107_opcodes.h" #include "qp_surface.h" //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // Driver storage //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// typedef struct sh1107_device_t { oled_panel_painter_device_t oled; uint8_t framebuffer[SURFACE_REQUIRED_BUFFER_BYTE_SIZE(128, 128, 1)]; } sh1107_device_t; static sh1107_device_t sh1107_drivers[SH1107_NUM_DEVICES] = {0}; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // Quantum Painter API implementations // Initialisation __attribute__((weak)) bool qp_sh1107_init(painter_device_t device, painter_rotation_t rotation) { sh1107_device_t *driver = (sh1107_device_t *)device; // Change the surface geometry based on the panel rotation if (rotation == QP_ROTATION_90 || rotation == QP_ROTATION_270) { driver->oled.surface.base.panel_width = driver->oled.base.panel_height; driver->oled.surface.base.panel_height = driver->oled.base.panel_width; } else { driver->oled.surface.base.panel_width = driver->oled.base.panel_width; driver->oled.surface.base.panel_height = driver->oled.base.panel_height; } // Init the internal surface if (!qp_init(&driver->oled.surface.base, QP_ROTATION_0)) { qp_dprintf("Failed to init internal surface in qp_sh1107_init\n"); return false; } // clang-format off uint8_t sh1107_init_sequence[] = { // Command, Delay, N, Data[N] SH1107_SET_MUX_RATIO, 0, 1, 0x7F, // 1/128 duty SH1107_DISPLAY_OFFSET, 0, 1, 0x00, SH1107_SET_START_LINE, 0, 1, 0x00, // Different from SH1106 SH1107_SET_SEGMENT_REMAP_INV, 0, 0, SH1107_COM_SCAN_DIR_DEC, 0, 0, SH1107_COM_PADS_HW_CFG, 0, 1, 0x12, SH1107_SET_CONTRAST, 0, 1, 0x7F, SH1107_ALL_ON_RESUME, 0, 0, SH1107_NON_INVERTING_DISPLAY, 0, 0, SH1107_SET_OSC_DIVFREQ, 0, 1, 0x80, SH1107_SET_CHARGE_PUMP, 0, 1, 0x14, SH1107_DISPLAY_ON, 0, 0, }; // clang-format on // If the display width is anything other than the default 128 pixels, change SH1107_SET_MUX_RATIO data byte to the correct value. if (driver->oled.base.panel_width != 128) { sh1107_init_sequence[3] = driver->oled.base.panel_width - 1; } // If the display width is less than the default 128 pixels, change SH1107_DISPLAY_OFFSET to use the center columns. if (driver->oled.base.panel_width < 128) { sh1107_init_sequence[7] = (128U - driver->oled.base.panel_width) / 2; } // For smaller displays, change SH1107_COM_PADS_HW_CFG data byte from alternative (0x12) to sequential (0x02) configuration if (driver->oled.base.panel_height <= 64) { sh1107_init_sequence[20] = 0x02; } qp_comms_bulk_command_sequence(device, sh1107_init_sequence, sizeof(sh1107_init_sequence)); return true; } // Screen flush bool qp_sh1107_flush(painter_device_t device) { sh1107_device_t *driver = (sh1107_device_t *)device; if (!driver->oled.surface.dirty.is_dirty) { return true; } switch (driver->oled.base.rotation) { default: case QP_ROTATION_0: qp_oled_panel_page_column_flush_rot0(device, &driver->oled.surface.dirty, driver->framebuffer); break; case QP_ROTATION_90: qp_oled_panel_page_column_flush_rot90(device, &driver->oled.surface.dirty, driver->framebuffer); break; case QP_ROTATION_180: qp_oled_panel_page_column_flush_rot180(device, &driver->oled.surface.dirty, driver->framebuffer); break; case QP_ROTATION_270: qp_oled_panel_page_column_flush_rot270(device, &driver->oled.surface.dirty, driver->framebuffer); break; } // Clear the dirty area qp_flush(&driver->oled.surface); return true; } //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // Driver vtable //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// const oled_panel_painter_driver_vtable_t sh1107_driver_vtable = { .base = { .init = qp_sh1107_init, .power = qp_oled_panel_power, .clear = qp_oled_panel_clear, .flush = qp_sh1107_flush, .pixdata = qp_oled_panel_passthru_pixdata, .viewport = qp_oled_panel_passthru_viewport, .palette_convert = qp_oled_panel_passthru_palette_convert, .append_pixels = qp_oled_panel_passthru_append_pixels, .append_pixdata = qp_oled_panel_passthru_append_pixdata, }, .opcodes = { .display_on = SH1107_DISPLAY_ON, .display_off = SH1107_DISPLAY_OFF, .set_page = SH1107_PAGE_ADDR, .set_column_lsb = SH1107_SETCOLUMN_LSB, .set_column_msb = SH1107_SETCOLUMN_MSB, }, }; #ifdef QUANTUM_PAINTER_SH1107_SPI_ENABLE // Factory function for creating a handle to the SH1107 device painter_device_t qp_sh1107_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode) { for (uint32_t i = 0; i < SH1107_NUM_DEVICES; ++i) { sh1107_device_t *driver = &sh1107_drivers[i]; if (!driver->oled.base.driver_vtable) { painter_device_t surface = qp_make_mono1bpp_surface_advanced(&driver->oled.surface, 1, panel_width, panel_height, driver->framebuffer); if (!surface) { return NULL; } // Setup the OLED device driver->oled.base.driver_vtable = (const painter_driver_vtable_t *)&sh1107_driver_vtable; driver->oled.base.comms_vtable = (const painter_comms_vtable_t *)&spi_comms_with_dc_vtable; driver->oled.base.native_bits_per_pixel = 1; // 1bpp mono driver->oled.base.panel_width = panel_width; driver->oled.base.panel_height = panel_height; driver->oled.base.rotation = QP_ROTATION_0; driver->oled.base.offset_x = 0; driver->oled.base.offset_y = 0; // SPI and other pin configuration driver->oled.base.comms_config = &driver->oled.spi_dc_reset_config; driver->oled.spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin; driver->oled.spi_dc_reset_config.spi_config.divisor = spi_divisor; driver->oled.spi_dc_reset_config.spi_config.lsb_first = false; driver->oled.spi_dc_reset_config.spi_config.mode = spi_mode; driver->oled.spi_dc_reset_config.dc_pin = dc_pin; driver->oled.spi_dc_reset_config.reset_pin = reset_pin; driver->oled.spi_dc_reset_config.command_params_uses_command_pin = true; if (!qp_internal_register_device((painter_device_t)driver)) { memset(driver, 0, sizeof(sh1107_device_t)); return NULL; } return (painter_device_t)driver; } } return NULL; } #endif // QUANTUM_PAINTER_SH1107_SPI_ENABLE #ifdef QUANTUM_PAINTER_SH1107_I2C_ENABLE // Factory function for creating a handle to the SH1107 device painter_device_t qp_sh1107_make_i2c_device(uint16_t panel_width, uint16_t panel_height, uint8_t i2c_address) { for (uint32_t i = 0; i < SH1107_NUM_DEVICES; ++i) { sh1107_device_t *driver = &sh1107_drivers[i]; if (!driver->oled.base.driver_vtable) { // Instantiate the surface painter_device_t surface = qp_make_mono1bpp_surface_advanced(&driver->oled.surface, 1, panel_width, panel_height, driver->framebuffer); if (!surface) { return NULL; } // Setup the OLED device driver->oled.base.driver_vtable = (const painter_driver_vtable_t *)&sh1107_driver_vtable; driver->oled.base.comms_vtable = (const painter_comms_vtable_t *)&i2c_comms_cmddata_vtable; driver->oled.base.native_bits_per_pixel = 1; // 1bpp mono driver->oled.base.panel_width = panel_width; driver->oled.base.panel_height = panel_height; driver->oled.base.rotation = QP_ROTATION_0; driver->oled.base.offset_x = 0; driver->oled.base.offset_y = 0; // I2C configuration driver->oled.base.comms_config = &driver->oled.i2c_config; driver->oled.i2c_config.chip_address = i2c_address; if (!qp_internal_register_device((painter_device_t)driver)) { memset(driver, 0, sizeof(sh1107_device_t)); return NULL; } return (painter_device_t)driver; } } return NULL; } #endif // QUANTUM_PAINTER_SH1107_I2C_ENABLE