From d8e100ae3cc38a63889c5933cecc13b0a58f9277 Mon Sep 17 00:00:00 2001 From: Chris Salch Date: Thu, 14 Sep 2023 03:20:03 -0500 Subject: [PATCH] Allow force flush of oled display (#20953) Co-authored-by: Drashna Jaelre Co-authored-by: Ryan --- docs/feature_oled_driver.md | 56 +++++++++++++++++++++++++++++++++---- drivers/oled/oled_driver.c | 4 +-- drivers/oled/oled_driver.h | 20 +++++++------ 3 files changed, 64 insertions(+), 16 deletions(-) diff --git a/docs/feature_oled_driver.md b/docs/feature_oled_driver.md index f3769742f84..3b6b4e7a1ec 100644 --- a/docs/feature_oled_driver.md +++ b/docs/feature_oled_driver.md @@ -166,6 +166,42 @@ bool oled_task_user(void) { #endif ``` +Render a message before booting into bootloader mode. +```c +void oled_render_boot(bool bootloader) { + oled_clear(); + for (int i = 0; i < 16; i++) { + oled_set_cursor(0, i); + if (bootloader) { + oled_write_P(PSTR("Awaiting New Firmware "), false); + } else { + oled_write_P(PSTR("Rebooting "), false); + } + } + + oled_render_dirty(true); +} + +bool reboot = false; + +bool uint16_t keycode, keyrecord_t *record) { + if (record->event.pressed) { + + // Display a special message prior to rebooting... + if (keycode == QK_BOOT) { + reboot = true; + } + } + + return true; +} + +void shutdown_user(void) { + oled_render_boot(reboot); +} + +``` + ## Basic Configuration These configuration options should be placed in `config.h`. Example: @@ -275,7 +311,7 @@ Rotation on SH1106 and SH1107 is noticeably less efficient than on SSD1306, beca ## OLED API ```c -// OLED rotation enum values are flags +// OLED Rotation enum values are flags typedef enum { OLED_ROTATION_0 = 0, OLED_ROTATION_90 = 1, @@ -283,7 +319,7 @@ typedef enum { OLED_ROTATION_270 = 3, // OLED_ROTATION_90 | OLED_ROTATION_180 } oled_rotation_t; -// Initialize the OLED display, rotating the rendered output based on the define passed in. +// Initialize the oled display, rotating the rendered output based on the define passed in. // Returns true if the OLED was initialized successfully bool oled_init(oled_rotation_t rotation); @@ -301,8 +337,12 @@ bool oled_send_data(const uint8_t *data, uint16_t size); // Clears the display buffer, resets cursor position to 0, and sets the buffer to dirty for rendering void oled_clear(void); -// Renders the dirty chunks of the buffer to OLED display -void oled_render(void); +// Alias to oled_render_dirty to avoid a change in api. +#define oled_render() oled_render_dirty(false) + +// Renders all dirty blocks to the display at one time or a subset depending on the value of +// all. +void oled_render_dirty(bool all); // Moves cursor to character position indicated by column and line, wraps if out of bounds // Max column denoted by 'oled_max_chars()' and max lines by 'oled_max_lines()' functions @@ -333,8 +373,6 @@ void oled_write_ln(const char *data, bool invert); // Pans the buffer to the right (or left by passing true) by moving contents of the buffer // Useful for moving the screen in preparation for new drawing -// oled_scroll_left or oled_scroll_right should be preferred for all cases of moving a static -// image such as a logo or to avoid burn-in as it's much, much less cpu intensive void oled_pan(bool left); // Returns a pointer to the requested start index in the buffer plus remaining @@ -351,6 +389,7 @@ void oled_write_raw_byte(const char data, uint16_t index); // Coordinates start at top-left and go right and down for positive x and y void oled_write_pixel(uint8_t x, uint8_t y, bool on); +#if defined(__AVR__) // Writes a PROGMEM string to the buffer at current cursor position // Advances the cursor while writing, inverts the pixels if true // Remapped to call 'void oled_write(const char *data, bool invert);' on ARM @@ -364,6 +403,11 @@ void oled_write_ln_P(const char *data, bool invert); // Writes a PROGMEM string to the buffer at current cursor position void oled_write_raw_P(const char *data, uint16_t size); +#else +# define oled_write_P(data, invert) oled_write(data, invert) +# define oled_write_ln_P(data, invert) oled_write_ln(data, invert) +# define oled_write_raw_P(data, size) oled_write_raw(data, size) +#endif // defined(__AVR__) // Can be used to manually turn on the screen if it is off // Returns true if the screen was on or turns on diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index 8ff6e0426cb..ab04ff3d40a 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -448,7 +448,7 @@ static void rotate_90(const uint8_t *src, uint8_t *dest) { } } -void oled_render(void) { +void oled_render_dirty(bool all) { // Do we have work to do? oled_dirty &= OLED_ALL_BLOCKS_MASK; if (!oled_dirty || !oled_initialized || oled_scrolling) { @@ -460,7 +460,7 @@ void oled_render(void) { 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) + while (oled_dirty && (num_processed++ < OLED_UPDATE_PROCESS_LIMIT || all)) { // render all dirty blocks (up to the configured limit) // Find next dirty block while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) { ++update_start; diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index 627a3da0ba5..fba6633176a 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -353,20 +353,24 @@ oled_rotation_t oled_init_user(oled_rotation_t rotation); // Clears the display buffer, resets cursor position to 0, and sets the buffer to dirty for rendering void oled_clear(void); -// Renders the dirty chunks of the buffer to oled display -void oled_render(void); +// Alias to oled_render_dirty to avoid a change in api. +#define oled_render() oled_render_dirty(false) + +// Renders all dirty blocks to the display at one time or a subset depending on the value of +// all. +void oled_render_dirty(bool all); // Moves cursor to character position indicated by column and line, wraps if out of bounds // Max column denoted by 'oled_max_chars()' and max lines by 'oled_max_lines()' functions void oled_set_cursor(uint8_t col, uint8_t line); // Advances the cursor to the next page, writing ' ' if true -// Wraps to the begining when out of bounds +// Wraps to the beginning when out of bounds void oled_advance_page(bool clearPageRemainder); // Moves the cursor forward 1 character length // Advance page if there is not enough room for the next character -// Wraps to the begining when out of bounds +// Wraps to the beginning when out of bounds void oled_advance_char(void); // Writes a single character to the buffer at current cursor position @@ -433,10 +437,10 @@ bool oled_off(void); // not bool is_oled_on(void); -// Sets the brightness of the display +// Sets the brightness level of the display uint8_t oled_set_brightness(uint8_t level); -// Gets the current brightness of the display +// Gets the current brightness level of the display uint8_t oled_get_brightness(void); // Basically it's oled_render, but with timeout management and oled_task_user calling! @@ -458,12 +462,12 @@ void oled_scroll_set_area(uint8_t start_line, uint8_t end_line); // 0=2, 1=3, 2=4, 3=5, 4=25, 5=64, 6=128, 7=256 void oled_scroll_set_speed(uint8_t speed); -// Scrolls the entire display right +// Begin scrolling the entire display right // Returns true if the screen was scrolling or starts scrolling // NOTE: display contents cannot be changed while scrolling bool oled_scroll_right(void); -// Scrolls the entire display left +// Begin scrolling the entire display left // Returns true if the screen was scrolling or starts scrolling // NOTE: display contents cannot be changed while scrolling bool oled_scroll_left(void);