diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/oled/oled_driver.c | 36 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.h | 12 |
2 files changed, 44 insertions, 4 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index 079f5688fe..690efa4a6e 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -108,6 +108,9 @@ bool oled_active = false; bool oled_scrolling = false; uint8_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 @@ -515,12 +518,37 @@ bool oled_off(void) { return !oled_active; } +// 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) { // 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) { - static const uint8_t PROGMEM display_scroll_right[] = {I2C_CMD, SCROLL_RIGHT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL}; - if (I2C_TRANSMIT_P(display_scroll_right) != I2C_STATUS_SUCCESS) { + 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; } @@ -533,8 +561,8 @@ bool oled_scroll_left(void) { // 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) { - static const uint8_t PROGMEM display_scroll_left[] = {I2C_CMD, SCROLL_LEFT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL}; - if (I2C_TRANSMIT_P(display_scroll_left) != I2C_STATUS_SUCCESS) { + 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; } diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index 6d1cee9b79..3e5a5bcabe 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -246,6 +246,18 @@ void oled_task(void); // Called at the start of oled_task, weak function overridable by the user void oled_task_user(void); +// 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); + +// Sets scroll speed, 0-7, fastest to slowest. Default is three. +// Does not take effect until scrolling is either started or restarted +// the ssd1306 supports 8 speeds with the delay +// listed below betwen each frame of the scrolling effect +// 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 // Returns true if the screen was scrolling or starts scrolling // NOTE: display contents cannot be changed while scrolling |