diff options
Diffstat (limited to 'drivers/oled/ssd1306_sh1106.c')
| -rw-r--r-- | drivers/oled/ssd1306_sh1106.c | 795 |
1 files changed, 0 insertions, 795 deletions
diff --git a/drivers/oled/ssd1306_sh1106.c b/drivers/oled/ssd1306_sh1106.c deleted file mode 100644 index 342920572e..0000000000 --- a/drivers/oled/ssd1306_sh1106.c +++ /dev/null @@ -1,795 +0,0 @@ -/* -Copyright 2019 Ryan Caltabiano <https://github.com/XScorpion2> - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ -#include "i2c_master.h" -#include "oled_driver.h" -#include OLED_FONT_H -#include "timer.h" -#include "print.h" - -#include <string.h> - -#include "progmem.h" - -#include "keyboard.h" - -// Used commands from spec sheet: https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf -// for SH1106: https://www.velleman.eu/downloads/29/infosheets/sh1106_datasheet.pdf - -// Fundamental Commands -#define CONTRAST 0x81 -#define DISPLAY_ALL_ON 0xA5 -#define DISPLAY_ALL_ON_RESUME 0xA4 -#define NORMAL_DISPLAY 0xA6 -#define INVERT_DISPLAY 0xA7 -#define DISPLAY_ON 0xAF -#define DISPLAY_OFF 0xAE -#define NOP 0xE3 - -// Scrolling Commands -#define ACTIVATE_SCROLL 0x2F -#define DEACTIVATE_SCROLL 0x2E -#define SCROLL_RIGHT 0x26 -#define SCROLL_LEFT 0x27 -#define SCROLL_RIGHT_UP 0x29 -#define SCROLL_LEFT_UP 0x2A - -// Addressing Setting Commands -#define MEMORY_MODE 0x20 -#define COLUMN_ADDR 0x21 -#define PAGE_ADDR 0x22 -#define PAM_SETCOLUMN_LSB 0x00 -#define PAM_SETCOLUMN_MSB 0x10 -#define PAM_PAGE_ADDR 0xB0 // 0xb0 -- 0xb7 - -// Hardware Configuration Commands -#define DISPLAY_START_LINE 0x40 -#define SEGMENT_REMAP 0xA0 -#define SEGMENT_REMAP_INV 0xA1 -#define MULTIPLEX_RATIO 0xA8 -#define COM_SCAN_INC 0xC0 -#define COM_SCAN_DEC 0xC8 -#define DISPLAY_OFFSET 0xD3 -#define COM_PINS 0xDA -#define COM_PINS_SEQ 0x02 -#define COM_PINS_ALT 0x12 -#define COM_PINS_SEQ_LR 0x22 -#define COM_PINS_ALT_LR 0x32 - -// Timing & Driving Commands -#define DISPLAY_CLOCK 0xD5 -#define PRE_CHARGE_PERIOD 0xD9 -#define VCOM_DETECT 0xDB - -// Advance Graphic Commands -#define FADE_BLINK 0x23 -#define ENABLE_FADE 0x20 -#define ENABLE_BLINK 0x30 - -// Charge Pump Commands -#define CHARGE_PUMP 0x8D - -// Misc defines -#ifndef OLED_BLOCK_COUNT -# define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) -#endif -#ifndef OLED_BLOCK_SIZE -# define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) -#endif - -#define OLED_ALL_BLOCKS_MASK (((((OLED_BLOCK_TYPE)1 << (OLED_BLOCK_COUNT - 1)) - 1) << 1) | 1) - -// i2c defines -#define I2C_CMD 0x00 -#define I2C_DATA 0x40 -#if defined(__AVR__) -# define I2C_TRANSMIT_P(data) i2c_transmit_P((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT) -#else // defined(__AVR__) -# define I2C_TRANSMIT_P(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT) -#endif // defined(__AVR__) -#define I2C_TRANSMIT(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT) -#define I2C_WRITE_REG(mode, data, size) i2c_writeReg((OLED_DISPLAY_ADDRESS << 1), mode, data, size, OLED_I2C_TIMEOUT) - -#define HAS_FLAGS(bits, flags) ((bits & flags) == flags) - -// Display buffer's is the same as the OLED memory layout -// this is so we don't end up with rounding errors with -// parts of the display unusable or don't get cleared correctly -// and also allows for drawing & inverting -uint8_t oled_buffer[OLED_MATRIX_SIZE]; -uint8_t * oled_cursor; -OLED_BLOCK_TYPE oled_dirty = 0; -bool oled_initialized = false; -bool oled_active = false; -bool oled_scrolling = false; -bool oled_inverted = false; -uint8_t oled_brightness = OLED_BRIGHTNESS; -oled_rotation_t oled_rotation = 0; -uint8_t oled_rotation_width = 0; -uint8_t oled_scroll_speed = 0; // this holds the speed after being remapped to ssd1306 internal values -uint8_t oled_scroll_start = 0; -uint8_t oled_scroll_end = 7; -#if OLED_TIMEOUT > 0 -uint32_t oled_timeout; -#endif -#if OLED_SCROLL_TIMEOUT > 0 -uint32_t oled_scroll_timeout; -#endif -#if OLED_UPDATE_INTERVAL > 0 -uint16_t oled_update_timeout; -#endif - -// Internal variables to reduce math instructions - -#if defined(__AVR__) -// identical to i2c_transmit, but for PROGMEM since all initialization is in PROGMEM arrays currently -// probably should move this into i2c_master... -static i2c_status_t i2c_transmit_P(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout) { - i2c_status_t status = i2c_start(address | I2C_WRITE, timeout); - - for (uint16_t i = 0; i < length && status >= 0; i++) { - status = i2c_write(pgm_read_byte((const char *)data++), timeout); - if (status) break; - } - - i2c_stop(); - - return status; -} -#endif - -// Flips the rendering bits for a character at the current cursor position -static void InvertCharacter(uint8_t *cursor) { - const uint8_t *end = cursor + OLED_FONT_WIDTH; - while (cursor < end) { - *cursor = ~(*cursor); - cursor++; - } -} - -bool oled_init(oled_rotation_t rotation) { -#if defined(USE_I2C) && defined(SPLIT_KEYBOARD) - if (!is_keyboard_master()) { - return true; - } -#endif - - oled_rotation = oled_init_user(oled_init_kb(rotation)); - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - oled_rotation_width = OLED_DISPLAY_WIDTH; - } else { - oled_rotation_width = OLED_DISPLAY_HEIGHT; - } - i2c_init(); - - static const uint8_t PROGMEM display_setup1[] = { - I2C_CMD, - DISPLAY_OFF, - DISPLAY_CLOCK, - 0x80, - MULTIPLEX_RATIO, - OLED_DISPLAY_HEIGHT - 1, - DISPLAY_OFFSET, - 0x00, - DISPLAY_START_LINE | 0x00, - CHARGE_PUMP, - 0x14, -#if (OLED_IC != OLED_IC_SH1106) - // MEMORY_MODE is unsupported on SH1106 (Page Addressing only) - MEMORY_MODE, - 0x00, // Horizontal addressing mode -#endif - }; - if (I2C_TRANSMIT_P(display_setup1) != I2C_STATUS_SUCCESS) { - print("oled_init cmd set 1 failed\n"); - return false; - } - - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_180)) { - static const uint8_t PROGMEM display_normal[] = {I2C_CMD, SEGMENT_REMAP_INV, COM_SCAN_DEC}; - if (I2C_TRANSMIT_P(display_normal) != I2C_STATUS_SUCCESS) { - print("oled_init cmd normal rotation failed\n"); - return false; - } - } else { - static const uint8_t PROGMEM display_flipped[] = {I2C_CMD, SEGMENT_REMAP, COM_SCAN_INC}; - if (I2C_TRANSMIT_P(display_flipped) != I2C_STATUS_SUCCESS) { - print("display_flipped failed\n"); - return false; - } - } - - static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, OLED_BRIGHTNESS, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x20, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON}; - if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) { - print("display_setup2 failed\n"); - return false; - } - -#if OLED_TIMEOUT > 0 - oled_timeout = timer_read32() + OLED_TIMEOUT; -#endif -#if OLED_SCROLL_TIMEOUT > 0 - oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT; -#endif - - oled_clear(); - oled_initialized = true; - oled_active = true; - oled_scrolling = false; - return true; -} - -__attribute__((weak)) oled_rotation_t oled_init_kb(oled_rotation_t rotation) { - return rotation; -} -__attribute__((weak)) oled_rotation_t oled_init_user(oled_rotation_t rotation) { - return rotation; -} - -void oled_clear(void) { - memset(oled_buffer, 0, sizeof(oled_buffer)); - oled_cursor = &oled_buffer[0]; - oled_dirty = OLED_ALL_BLOCKS_MASK; -} - -static void calc_bounds(uint8_t update_start, uint8_t *cmd_array) { - // Calculate commands to set memory addressing bounds. - uint8_t start_page = OLED_BLOCK_SIZE * update_start / OLED_DISPLAY_WIDTH; - uint8_t start_column = OLED_BLOCK_SIZE * update_start % OLED_DISPLAY_WIDTH; -#if (OLED_IC == OLED_IC_SH1106) - // Commands for Page Addressing Mode. Sets starting page and column; has no end bound. - // Column value must be split into high and low nybble and sent as two commands. - cmd_array[0] = PAM_PAGE_ADDR | start_page; - cmd_array[1] = PAM_SETCOLUMN_LSB | ((OLED_COLUMN_OFFSET + start_column) & 0x0f); - cmd_array[2] = PAM_SETCOLUMN_MSB | ((OLED_COLUMN_OFFSET + start_column) >> 4 & 0x0f); - cmd_array[3] = NOP; - cmd_array[4] = NOP; - cmd_array[5] = NOP; -#else - // Commands for use in Horizontal Addressing mode. - cmd_array[1] = start_column; - cmd_array[4] = start_page; - cmd_array[2] = (OLED_BLOCK_SIZE + OLED_DISPLAY_WIDTH - 1) % OLED_DISPLAY_WIDTH + cmd_array[1]; - cmd_array[5] = (OLED_BLOCK_SIZE + OLED_DISPLAY_WIDTH - 1) / OLED_DISPLAY_WIDTH - 1; -#endif -} - -static void calc_bounds_90(uint8_t update_start, uint8_t *cmd_array) { - cmd_array[1] = OLED_BLOCK_SIZE * update_start / OLED_DISPLAY_HEIGHT * 8; - cmd_array[4] = OLED_BLOCK_SIZE * update_start % OLED_DISPLAY_HEIGHT; - cmd_array[2] = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) / OLED_DISPLAY_HEIGHT * 8 - 1 + cmd_array[1]; - ; - cmd_array[5] = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) % OLED_DISPLAY_HEIGHT / 8; -} - -uint8_t crot(uint8_t a, int8_t n) { - const uint8_t mask = 0x7; - n &= mask; - return a << n | a >> (-n & mask); -} - -static void rotate_90(const uint8_t *src, uint8_t *dest) { - for (uint8_t i = 0, shift = 7; i < 8; ++i, --shift) { - uint8_t selector = (1 << i); - for (uint8_t j = 0; j < 8; ++j) { - dest[i] |= crot(src[j] & selector, shift - (int8_t)j); - } - } -} - -void oled_render(void) { - // Do we have work to do? - oled_dirty &= OLED_ALL_BLOCKS_MASK; - if (!oled_dirty || !oled_initialized || oled_scrolling) { - return; - } - - // Turn on display if it is off - oled_on(); - - uint8_t update_start = 0; - uint8_t num_processed = 0; - while (oled_dirty && num_processed++ < OLED_UPDATE_PROCESS_LIMIT) { // render all dirty blocks (up to the configured limit) - // Find next dirty block - while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) { - ++update_start; - } - - // Set column & page position - static uint8_t display_start[] = {I2C_CMD, COLUMN_ADDR, 0, OLED_DISPLAY_WIDTH - 1, PAGE_ADDR, 0, OLED_DISPLAY_HEIGHT / 8 - 1}; - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - calc_bounds(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start - } else { - calc_bounds_90(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start - } - - // Send column & page position - if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) { - print("oled_render offset command failed\n"); - return; - } - - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - // Send render data chunk as is - if (I2C_WRITE_REG(I2C_DATA, &oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) { - print("oled_render data failed\n"); - return; - } - } else { - // Rotate the render chunks - const static uint8_t source_map[] = OLED_SOURCE_MAP; - const static uint8_t target_map[] = OLED_TARGET_MAP; - - static uint8_t temp_buffer[OLED_BLOCK_SIZE]; - memset(temp_buffer, 0, sizeof(temp_buffer)); - for (uint8_t i = 0; i < sizeof(source_map); ++i) { - rotate_90(&oled_buffer[OLED_BLOCK_SIZE * update_start + source_map[i]], &temp_buffer[target_map[i]]); - } - - // Send render data chunk after rotating - if (I2C_WRITE_REG(I2C_DATA, &temp_buffer[0], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) { - print("oled_render90 data failed\n"); - return; - } - } - - // Clear dirty flag of just rendered block - oled_dirty &= ~((OLED_BLOCK_TYPE)1 << update_start); - } -} - -void oled_set_cursor(uint8_t col, uint8_t line) { - uint16_t index = line * oled_rotation_width + col * OLED_FONT_WIDTH; - - // Out of bounds? - if (index >= OLED_MATRIX_SIZE) { - index = 0; - } - - oled_cursor = &oled_buffer[index]; -} - -void oled_advance_page(bool clearPageRemainder) { - uint16_t index = oled_cursor - &oled_buffer[0]; - uint8_t remaining = oled_rotation_width - (index % oled_rotation_width); - - if (clearPageRemainder) { - // Remaining Char count - remaining = remaining / OLED_FONT_WIDTH; - - // Write empty character until next line - while (remaining--) - oled_write_char(' ', false); - } else { - // Next page index out of bounds? - if (index + remaining >= OLED_MATRIX_SIZE) { - index = 0; - remaining = 0; - } - - oled_cursor = &oled_buffer[index + remaining]; - } -} - -void oled_advance_char(void) { - uint16_t nextIndex = oled_cursor - &oled_buffer[0] + OLED_FONT_WIDTH; - uint8_t remainingSpace = oled_rotation_width - (nextIndex % oled_rotation_width); - - // Do we have enough space on the current line for the next character - if (remainingSpace < OLED_FONT_WIDTH) { - nextIndex += remainingSpace; - } - - // Did we go out of bounds - if (nextIndex >= OLED_MATRIX_SIZE) { - nextIndex = 0; - } - - // Update cursor position - oled_cursor = &oled_buffer[nextIndex]; -} - -// Main handler that writes character data to the display buffer -void oled_write_char(const char data, bool invert) { - // Advance to the next line if newline - if (data == '\n') { - // Old source wrote ' ' until end of line... - oled_advance_page(true); - return; - } - - if (data == '\r') { - oled_advance_page(false); - return; - } - - // copy the current render buffer to check for dirty after - static uint8_t oled_temp_buffer[OLED_FONT_WIDTH]; - memcpy(&oled_temp_buffer, oled_cursor, OLED_FONT_WIDTH); - - _Static_assert(sizeof(font) >= ((OLED_FONT_END + 1 - OLED_FONT_START) * OLED_FONT_WIDTH), "OLED_FONT_END references outside array"); - - // set the reder buffer data - uint8_t cast_data = (uint8_t)data; // font based on unsigned type for index - if (cast_data < OLED_FONT_START || cast_data > OLED_FONT_END) { - memset(oled_cursor, 0x00, OLED_FONT_WIDTH); - } else { - const uint8_t *glyph = &font[(cast_data - OLED_FONT_START) * OLED_FONT_WIDTH]; - memcpy_P(oled_cursor, glyph, OLED_FONT_WIDTH); - } - - // Invert if needed - if (invert) { - InvertCharacter(oled_cursor); - } - - // Dirty check - if (memcmp(&oled_temp_buffer, oled_cursor, OLED_FONT_WIDTH)) { - uint16_t index = oled_cursor - &oled_buffer[0]; - oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE)); - // Edgecase check if the written data spans the 2 chunks - oled_dirty |= ((OLED_BLOCK_TYPE)1 << ((index + OLED_FONT_WIDTH - 1) / OLED_BLOCK_SIZE)); - } - - // Finally move to the next char - oled_advance_char(); -} - -void oled_write(const char *data, bool invert) { - const char *end = data + strlen(data); - while (data < end) { - oled_write_char(*data, invert); - data++; - } -} - -void oled_write_ln(const char *data, bool invert) { - oled_write(data, invert); - oled_advance_page(true); -} - -void oled_pan(bool left) { - uint16_t i = 0; - for (uint16_t y = 0; y < OLED_DISPLAY_HEIGHT / 8; y++) { - if (left) { - for (uint16_t x = 0; x < OLED_DISPLAY_WIDTH - 1; x++) { - i = y * OLED_DISPLAY_WIDTH + x; - oled_buffer[i] = oled_buffer[i + 1]; - } - } else { - for (uint16_t x = OLED_DISPLAY_WIDTH - 1; x > 0; x--) { - i = y * OLED_DISPLAY_WIDTH + x; - oled_buffer[i] = oled_buffer[i - 1]; - } - } - } - oled_dirty = OLED_ALL_BLOCKS_MASK; -} - -oled_buffer_reader_t oled_read_raw(uint16_t start_index) { - if (start_index > OLED_MATRIX_SIZE) start_index = OLED_MATRIX_SIZE; - oled_buffer_reader_t ret_reader; - ret_reader.current_element = &oled_buffer[start_index]; - ret_reader.remaining_element_count = OLED_MATRIX_SIZE - start_index; - return ret_reader; -} - -void oled_write_raw_byte(const char data, uint16_t index) { - if (index > OLED_MATRIX_SIZE) index = OLED_MATRIX_SIZE; - if (oled_buffer[index] == data) return; - oled_buffer[index] = data; - oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE)); -} - -void oled_write_raw(const char *data, uint16_t size) { - uint16_t cursor_start_index = oled_cursor - &oled_buffer[0]; - if ((size + cursor_start_index) > OLED_MATRIX_SIZE) size = OLED_MATRIX_SIZE - cursor_start_index; - for (uint16_t i = cursor_start_index; i < cursor_start_index + size; i++) { - uint8_t c = *data++; - if (oled_buffer[i] == c) continue; - oled_buffer[i] = c; - oled_dirty |= ((OLED_BLOCK_TYPE)1 << (i / OLED_BLOCK_SIZE)); - } -} - -void oled_write_pixel(uint8_t x, uint8_t y, bool on) { - if (x >= oled_rotation_width) { - return; - } - uint16_t index = x + (y / 8) * oled_rotation_width; - if (index >= OLED_MATRIX_SIZE) { - return; - } - uint8_t data = oled_buffer[index]; - if (on) { - data |= (1 << (y % 8)); - } else { - data &= ~(1 << (y % 8)); - } - if (oled_buffer[index] != data) { - oled_buffer[index] = data; - oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE)); - } -} - -#if defined(__AVR__) -void oled_write_P(const char *data, bool invert) { - uint8_t c = pgm_read_byte(data); - while (c != 0) { - oled_write_char(c, invert); - c = pgm_read_byte(++data); - } -} - -void oled_write_ln_P(const char *data, bool invert) { - oled_write_P(data, invert); - oled_advance_page(true); -} - -void oled_write_raw_P(const char *data, uint16_t size) { - uint16_t cursor_start_index = oled_cursor - &oled_buffer[0]; - if ((size + cursor_start_index) > OLED_MATRIX_SIZE) size = OLED_MATRIX_SIZE - cursor_start_index; - for (uint16_t i = cursor_start_index; i < cursor_start_index + size; i++) { - uint8_t c = pgm_read_byte(data++); - if (oled_buffer[i] == c) continue; - oled_buffer[i] = c; - oled_dirty |= ((OLED_BLOCK_TYPE)1 << (i / OLED_BLOCK_SIZE)); - } -} -#endif // defined(__AVR__) - -bool oled_on(void) { - if (!oled_initialized) { - return oled_active; - } - -#if OLED_TIMEOUT > 0 - oled_timeout = timer_read32() + OLED_TIMEOUT; -#endif - - static const uint8_t PROGMEM display_on[] = -#ifdef OLED_FADE_OUT - {I2C_CMD, FADE_BLINK, 0x00}; -#else - {I2C_CMD, DISPLAY_ON}; -#endif - - if (!oled_active) { - if (I2C_TRANSMIT_P(display_on) != I2C_STATUS_SUCCESS) { - print("oled_on cmd failed\n"); - return oled_active; - } - oled_active = true; - } - return oled_active; -} - -bool oled_off(void) { - if (!oled_initialized) { - return !oled_active; - } - - static const uint8_t PROGMEM display_off[] = -#ifdef OLED_FADE_OUT - {I2C_CMD, FADE_BLINK, ENABLE_FADE | OLED_FADE_OUT_INTERVAL}; -#else - {I2C_CMD, DISPLAY_OFF}; -#endif - - if (oled_active) { - if (I2C_TRANSMIT_P(display_off) != I2C_STATUS_SUCCESS) { - print("oled_off cmd failed\n"); - return oled_active; - } - oled_active = false; - } - return !oled_active; -} - -bool is_oled_on(void) { - return oled_active; -} - -uint8_t oled_set_brightness(uint8_t level) { - if (!oled_initialized) { - return oled_brightness; - } - - uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level}; - if (oled_brightness != level) { - if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) { - print("set_brightness cmd failed\n"); - return oled_brightness; - } - oled_brightness = level; - } - return oled_brightness; -} - -uint8_t oled_get_brightness(void) { - return oled_brightness; -} - -// Set the specific 8 lines rows of the screen to scroll. -// 0 is the default for start, and 7 for end, which is the entire -// height of the screen. For 128x32 screens, rows 4-7 are not used. -void oled_scroll_set_area(uint8_t start_line, uint8_t end_line) { - oled_scroll_start = start_line; - oled_scroll_end = end_line; -} - -void oled_scroll_set_speed(uint8_t speed) { - // Sets the speed for scrolling... does not take effect - // until scrolling is either started or restarted - // the ssd1306 supports 8 speeds - // FrameRate2 speed = 7 - // FrameRate3 speed = 4 - // FrameRate4 speed = 5 - // FrameRate5 speed = 0 - // FrameRate25 speed = 6 - // FrameRate64 speed = 1 - // FrameRate128 speed = 2 - // FrameRate256 speed = 3 - // for ease of use these are remaped here to be in order - static const uint8_t scroll_remap[8] = {7, 4, 5, 0, 6, 1, 2, 3}; - oled_scroll_speed = scroll_remap[speed]; -} - -bool oled_scroll_right(void) { - if (!oled_initialized) { - return oled_scrolling; - } - - // Dont enable scrolling if we need to update the display - // This prevents scrolling of bad data from starting the scroll too early after init - if (!oled_dirty && !oled_scrolling) { - uint8_t display_scroll_right[] = {I2C_CMD, SCROLL_RIGHT, 0x00, oled_scroll_start, oled_scroll_speed, oled_scroll_end, 0x00, 0xFF, ACTIVATE_SCROLL}; - if (I2C_TRANSMIT(display_scroll_right) != I2C_STATUS_SUCCESS) { - print("oled_scroll_right cmd failed\n"); - return oled_scrolling; - } - oled_scrolling = true; - } - return oled_scrolling; -} - -bool oled_scroll_left(void) { - if (!oled_initialized) { - return oled_scrolling; - } - - // Dont enable scrolling if we need to update the display - // This prevents scrolling of bad data from starting the scroll too early after init - if (!oled_dirty && !oled_scrolling) { - uint8_t display_scroll_left[] = {I2C_CMD, SCROLL_LEFT, 0x00, oled_scroll_start, oled_scroll_speed, oled_scroll_end, 0x00, 0xFF, ACTIVATE_SCROLL}; - if (I2C_TRANSMIT(display_scroll_left) != I2C_STATUS_SUCCESS) { - print("oled_scroll_left cmd failed\n"); - return oled_scrolling; - } - oled_scrolling = true; - } - return oled_scrolling; -} - -bool oled_scroll_off(void) { - if (!oled_initialized) { - return !oled_scrolling; - } - - if (oled_scrolling) { - static const uint8_t PROGMEM display_scroll_off[] = {I2C_CMD, DEACTIVATE_SCROLL}; - if (I2C_TRANSMIT_P(display_scroll_off) != I2C_STATUS_SUCCESS) { - print("oled_scroll_off cmd failed\n"); - return oled_scrolling; - } - oled_scrolling = false; - oled_dirty = OLED_ALL_BLOCKS_MASK; - } - return !oled_scrolling; -} - -bool is_oled_scrolling(void) { - return oled_scrolling; -} - -bool oled_invert(bool invert) { - if (!oled_initialized) { - return oled_inverted; - } - - if (invert && !oled_inverted) { - static const uint8_t PROGMEM display_inverted[] = {I2C_CMD, INVERT_DISPLAY}; - if (I2C_TRANSMIT_P(display_inverted) != I2C_STATUS_SUCCESS) { - print("oled_invert cmd failed\n"); - return oled_inverted; - } - oled_inverted = true; - } else if (!invert && oled_inverted) { - static const uint8_t PROGMEM display_normal[] = {I2C_CMD, NORMAL_DISPLAY}; - if (I2C_TRANSMIT_P(display_normal) != I2C_STATUS_SUCCESS) { - print("oled_invert cmd failed\n"); - return oled_inverted; - } - oled_inverted = false; - } - - return oled_inverted; -} - -uint8_t oled_max_chars(void) { - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - return OLED_DISPLAY_WIDTH / OLED_FONT_WIDTH; - } - return OLED_DISPLAY_HEIGHT / OLED_FONT_WIDTH; -} - -uint8_t oled_max_lines(void) { - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - return OLED_DISPLAY_HEIGHT / OLED_FONT_HEIGHT; - } - return OLED_DISPLAY_WIDTH / OLED_FONT_HEIGHT; -} - -void oled_task(void) { - if (!oled_initialized) { - return; - } - -#if OLED_UPDATE_INTERVAL > 0 - if (timer_elapsed(oled_update_timeout) >= OLED_UPDATE_INTERVAL) { - oled_update_timeout = timer_read(); - oled_set_cursor(0, 0); - oled_task_kb(); - } -#else - oled_set_cursor(0, 0); - oled_task_kb(); -#endif - -#if OLED_SCROLL_TIMEOUT > 0 - if (oled_dirty && oled_scrolling) { - oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT; - oled_scroll_off(); - } -#endif - - // Smart render system, no need to check for dirty - oled_render(); - - // Display timeout check -#if OLED_TIMEOUT > 0 - if (oled_active && timer_expired32(timer_read32(), oled_timeout)) { - oled_off(); - } -#endif - -#if OLED_SCROLL_TIMEOUT > 0 - if (!oled_scrolling && timer_expired32(timer_read32(), oled_scroll_timeout)) { -# ifdef OLED_SCROLL_TIMEOUT_RIGHT - oled_scroll_right(); -# else - oled_scroll_left(); -# endif - } -#endif -} - -__attribute__((weak)) bool oled_task_kb(void) { - return oled_task_user(); -} -__attribute__((weak)) bool oled_task_user(void) { - return true; -} |