diff options
Diffstat (limited to 'drivers/oled')
| -rw-r--r-- | drivers/oled/oled_driver.h | 4 | ||||
| -rw-r--r-- | drivers/oled/ssd1306_sh1106.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index e9b8c5b4e8..291049e36b 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -170,6 +170,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. # define OLED_UPDATE_INTERVAL 50 #endif +#if !defined(OLED_UPDATE_PROCESS_LIMIT) +# define OLED_UPDATE_PROCESS_LIMIT 1 +#endif + typedef struct __attribute__((__packed__)) { uint8_t *current_element; uint16_t remaining_element_count; diff --git a/drivers/oled/ssd1306_sh1106.c b/drivers/oled/ssd1306_sh1106.c index 9fc8c2d2ad..342920572e 100644 --- a/drivers/oled/ssd1306_sh1106.c +++ b/drivers/oled/ssd1306_sh1106.c @@ -300,8 +300,9 @@ void oled_render(void) { // Turn on display if it is off oled_on(); - uint8_t update_start = 0; - while (oled_dirty) { // render all dirty blocks + 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; |