diff options
| -rw-r--r-- | drivers/oled/oled_driver.c | 8 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.h | 9 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index f1990567f7..bbf010a090 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -444,6 +444,14 @@ void oled_pan(bool left) { oled_dirty = ~((OLED_BLOCK_TYPE)0); } +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; diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index 4e69f8845c..a03a3c9cff 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -154,6 +154,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. # define OLED_I2C_TIMEOUT 100 #endif +typedef struct __attribute__((__packed__)) { + uint8_t *current_element; + uint16_t remaining_element_count; +} oled_buffer_reader_t; + // OLED Rotation enum values are flags typedef enum { OLED_ROTATION_0 = 0, @@ -207,6 +212,10 @@ 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 void oled_pan(bool left); +// Returns a pointer to the requested start index in the buffer plus remaining +// buffer length as struct +oled_buffer_reader_t oled_read_raw(uint16_t start_index); + void oled_write_raw(const char *data, uint16_t size); void oled_write_raw_byte(const char data, uint16_t index); |