diff options
author | Nick Brassel <[email protected]> | 2023-10-22 13:27:31 +1100 |
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committer | GitHub <[email protected]> | 2023-10-22 13:27:31 +1100 |
commit | 8e614250b4b44a14a6a8c93bea3a6d1fd02790cf (patch) | |
tree | 15c000b7765082911a3a6d84b1499b51c25f43d8 /drivers/painter/sh1106 | |
parent | 48d9140cfc197d6f4c54bf8022902d28fac37624 (diff) | |
download | qmk_firmware-8e614250b4b44a14a6a8c93bea3a6d1fd02790cf.tar.gz qmk_firmware-8e614250b4b44a14a6a8c93bea3a6d1fd02790cf.zip |
[QP] Add support for OLED, variable framebuffer bpp (#19997)
Co-authored-by: Pablo MartÃnez <[email protected]>
Co-authored-by: Dasky <[email protected]>
Fixup delta frame coordinates after #20296.
Diffstat (limited to 'drivers/painter/sh1106')
-rw-r--r-- | drivers/painter/sh1106/qp_sh1106.c | 206 | ||||
-rw-r--r-- | drivers/painter/sh1106/qp_sh1106.h | 66 | ||||
-rw-r--r-- | drivers/painter/sh1106/qp_sh1106_opcodes.h | 26 |
3 files changed, 298 insertions, 0 deletions
diff --git a/drivers/painter/sh1106/qp_sh1106.c b/drivers/painter/sh1106/qp_sh1106.c new file mode 100644 index 0000000000..7cb6e398fa --- /dev/null +++ b/drivers/painter/sh1106/qp_sh1106.c @@ -0,0 +1,206 @@ +// Copyright 2023 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "qp_internal.h" +#include "qp_comms.h" +#include "qp_oled_panel.h" +#include "qp_sh1106.h" +#include "qp_sh1106_opcodes.h" +#include "qp_surface.h" +#include "qp_surface_internal.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Driver storage +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +typedef struct sh1106_device_t { + oled_panel_painter_device_t oled; + + uint8_t framebuffer[SURFACE_REQUIRED_BUFFER_BYTE_SIZE(128, 64, 1)]; +} sh1106_device_t; + +static sh1106_device_t sh1106_drivers[SH1106_NUM_DEVICES] = {0}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter API implementations + +// Initialisation +__attribute__((weak)) bool qp_sh1106_init(painter_device_t device, painter_rotation_t rotation) { + sh1106_device_t *driver = (sh1106_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_sh1106_init\n"); + return false; + } + + // clang-format off + const uint8_t sh1106_init_sequence[] = { + // Command, Delay, N, Data[N] + SH1106_SET_MUX_RATIO, 0, 1, 0x3F, + SH1106_DISPLAY_OFFSET, 0, 1, 0x00, + SH1106_DISPLAY_START_LINE, 0, 0, + SH1106_SET_SEGMENT_REMAP_INV, 0, 0, + SH1106_COM_SCAN_DIR_DEC, 0, 0, + SH1106_COM_PADS_HW_CFG, 0, 1, 0x12, + SH1106_SET_CONTRAST, 0, 1, 0x7F, + SH1106_ALL_ON_RESUME, 0, 0, + SH1106_NON_INVERTING_DISPLAY, 0, 0, + SH1106_SET_OSC_DIVFREQ, 0, 1, 0x80, + SH1106_SET_CHARGE_PUMP, 0, 1, 0x14, + SH1106_DISPLAY_ON, 0, 0, + }; + // clang-format on + + qp_comms_bulk_command_sequence(device, sh1106_init_sequence, sizeof(sh1106_init_sequence)); + return true; +} + +// Screen flush +bool qp_sh1106_flush(painter_device_t device) { + sh1106_device_t *driver = (sh1106_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 sh1106_driver_vtable = { + .base = + { + .init = qp_sh1106_init, + .power = qp_oled_panel_power, + .clear = qp_oled_panel_clear, + .flush = qp_sh1106_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 = SH1106_DISPLAY_ON, + .display_off = SH1106_DISPLAY_OFF, + .set_page = SH1106_PAGE_ADDR, + .set_column_lsb = SH1106_SETCOLUMN_LSB, + .set_column_msb = SH1106_SETCOLUMN_MSB, + }, +}; + +#ifdef QUANTUM_PAINTER_SH1106_SPI_ENABLE +// Factory function for creating a handle to the SH1106 device +painter_device_t qp_sh1106_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 < SH1106_NUM_DEVICES; ++i) { + sh1106_device_t *driver = &sh1106_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 *)&sh1106_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(sh1106_device_t)); + return NULL; + } + + return (painter_device_t)driver; + } + } + return NULL; +} + +#endif // QUANTUM_PAINTER_SH1106_SPI_ENABLE + +#ifdef QUANTUM_PAINTER_SH1106_I2C_ENABLE +// Factory function for creating a handle to the SH1106 device +painter_device_t qp_sh1106_make_i2c_device(uint16_t panel_width, uint16_t panel_height, uint8_t i2c_address) { + for (uint32_t i = 0; i < SH1106_NUM_DEVICES; ++i) { + sh1106_device_t *driver = &sh1106_drivers[i]; + if (!driver->oled.base.driver_vtable) { + // Instantiate the surface, intentional swap of width/high due to transpose + 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 *)&sh1106_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(sh1106_device_t)); + return NULL; + } + + return (painter_device_t)driver; + } + } + return NULL; +} + +#endif // QUANTUM_PAINTER_SH1106_SPI_ENABLE diff --git a/drivers/painter/sh1106/qp_sh1106.h b/drivers/painter/sh1106/qp_sh1106.h new file mode 100644 index 0000000000..6c325dba4b --- /dev/null +++ b/drivers/painter/sh1106/qp_sh1106.h @@ -0,0 +1,66 @@ +// Copyright 2023 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later +#pragma once + +#include "gpio.h" +#include "qp_internal.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter SH1106 configurables (add to your keyboard's config.h) + +#if defined(QUANTUM_PAINTER_SH1106_SPI_ENABLE) && !defined(SH1106_NUM_SPI_DEVICES) +/** + * @def This controls the maximum number of SPI SH1106 devices that Quantum Painter can communicate with at any one time. + * Increasing this number allows for multiple displays to be used. + */ +# define SH1106_NUM_SPI_DEVICES 1 +#else +# define SH1106_NUM_SPI_DEVICES 0 +#endif + +#if defined(QUANTUM_PAINTER_SH1106_I2C_ENABLE) && !defined(SH1106_NUM_I2C_DEVICES) +/** + * @def This controls the maximum number of I2C SH1106 devices that Quantum Painter can communicate with at any one time. + * Increasing this number allows for multiple displays to be used. + */ +# define SH1106_NUM_I2C_DEVICES 1 +#else +# define SH1106_NUM_I2C_DEVICES 0 +#endif + +#define SH1106_NUM_DEVICES ((SH1106_NUM_SPI_DEVICES) + (SH1106_NUM_I2C_DEVICES)) + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter SH1106 device factories + +#ifdef QUANTUM_PAINTER_SH1106_SPI_ENABLE + +/** + * Factory method for an SH1106 SPI LCD device. + * + * @param panel_width[in] the width of the display in pixels (usually 128) + * @param panel_height[in] the height of the display in pixels (usually 64) + * @param chip_select_pin[in] the GPIO pin used for SPI chip select + * @param dc_pin[in] the GPIO pin used for D/C control + * @param reset_pin[in] the GPIO pin used for RST + * @param spi_divisor[in] the SPI divisor to use when communicating with the display + * @param spi_mode[in] the SPI mode to use when communicating with the display + * @return the device handle used with all drawing routines in Quantum Painter + */ +painter_device_t qp_sh1106_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); + +#endif // QUANTUM_PAINTER_SH1106_SPI_ENABLE + +#ifdef QUANTUM_PAINTER_SH1106_I2C_ENABLE + +/** + * Factory method for an SH1106 I2C LCD device. + * + * @param panel_width[in] the width of the display in pixels (usually 128) + * @param panel_height[in] the height of the display in pixels (usually 64) + * @param i2c_address[in] the I2C address to use + * @return the device handle used with all drawing routines in Quantum Painter + */ +painter_device_t qp_sh1106_make_i2c_device(uint16_t panel_width, uint16_t panel_height, uint8_t i2c_address); + +#endif // QUANTUM_PAINTER_SH1106_I2C_ENABLE diff --git a/drivers/painter/sh1106/qp_sh1106_opcodes.h b/drivers/painter/sh1106/qp_sh1106_opcodes.h new file mode 100644 index 0000000000..a2e100d770 --- /dev/null +++ b/drivers/painter/sh1106/qp_sh1106_opcodes.h @@ -0,0 +1,26 @@ +// Copyright 2023 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later +#pragma once + +#define SH1106_DISPLAY_ON 0xAF +#define SH1106_DISPLAY_OFF 0xAE +#define SH1106_SET_OSC_DIVFREQ 0xD5 +#define SH1106_SET_MUX_RATIO 0xA8 +#define SH1106_DISPLAY_OFFSET 0xD3 +#define SH1106_DISPLAY_START_LINE 0x40 +#define SH1106_SET_CHARGE_PUMP 0x8D +#define SH1106_SET_SEGMENT_REMAP_NORMAL 0xA0 +#define SH1106_SET_SEGMENT_REMAP_INV 0xA1 +#define SH1106_COM_SCAN_DIR_INC 0xC0 +#define SH1106_COM_SCAN_DIR_DEC 0xC8 +#define SH1106_COM_PADS_HW_CFG 0xDA +#define SH1106_SET_CONTRAST 0x81 +#define SH1106_SET_PRECHARGE_PERIOD 0xD9 +#define SH1106_VCOM_DETECT 0xDB +#define SH1106_ALL_ON_RESUME 0xA4 +#define SH1106_NON_INVERTING_DISPLAY 0xA6 +#define SH1106_DEACTIVATE_SCROLL 0x2E + +#define SH1106_SETCOLUMN_LSB 0x00 +#define SH1106_SETCOLUMN_MSB 0x10 +#define SH1106_PAGE_ADDR 0xB0 |