diff options
Diffstat (limited to 'drivers/painter/sh1107/qp_sh1107.c')
-rw-r--r-- | drivers/painter/sh1107/qp_sh1107.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/drivers/painter/sh1107/qp_sh1107.c b/drivers/painter/sh1107/qp_sh1107.c new file mode 100644 index 0000000000..f4cbd49e40 --- /dev/null +++ b/drivers/painter/sh1107/qp_sh1107.c @@ -0,0 +1,218 @@ +#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 |