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Add default limit to OLED dirty processing #19068

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merged 3 commits into from
Nov 14, 2022
Merged

Add default limit to OLED dirty processing #19068

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0de7294
Add default limit to OLED dirty processing
zvecr Nov 13, 2022
bed1444
update comment
zvecr Nov 13, 2022
7ca689b
rename var
zvecr Nov 13, 2022
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4 changes: 4 additions & 0 deletions drivers/oled/oled_driver.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
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3 changes: 2 additions & 1 deletion drivers/oled/ssd1306_sh1106.c
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Expand Up @@ -301,7 +301,8 @@ void oled_render(void) {
oled_on();

uint8_t update_start = 0;
while (oled_dirty) { // render all dirty blocks
uint8_t dirty_count = 0;
while (oled_dirty && dirty_count++ < OLED_UPDATE_PROCESS_LIMIT) { // render all dirty blocks (up to the configured limit)
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// Find next dirty block
while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) {
++update_start;
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