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Optional OLED splash screen and fixed OLED i2c execution time saving (#12294) 

* Made OLED splash screen optional to reduce memory and fixed OLED i2c execution time saving

* moved OLED address updates into their respective conditional checks
master
David Hoelscher 2021-06-23 04:52:06 -05:00 committed by GitHub
parent a913db63aa
commit 6e1ed1c9d3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 11 deletions
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11
drivers/qwiic/micro_oled.c
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@ -70,7 +70,10 @@ static uint8_t micro_oled_screen_current[LCDWIDTH * LCDHEIGHT / 8] = {0};
D6 D6.............D6 /
D7 D7.............D7 ----
*/
#ifdef NO_LCD_SPLASH
// do not initialize with a splash screen
static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0};
#else
# if LCDWIDTH == 64
# if LCDHEIGHT == 48
static uint8_t micro_oled_screen_buffer[] = {
@ -104,6 +107,7 @@ static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0x00, 0x00,
// catchall for custom screen sizes
static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0};
# endif
#endif
void micro_oled_init(void) {
i2c_init();
@ -145,7 +149,7 @@ void micro_oled_init(void) {
#endif
send_command(MEMORYMODE);
send_command(0x10);
send_command(0x02); // 0x02 = 10b, Page addressing mode
send_command(SETCOMPINS); // 0xDA
if (LCDHEIGHT > 32) {
@ -250,13 +254,14 @@ void send_buffer(void) {
if (micro_oled_screen_buffer[i * LCDWIDTH + j] != micro_oled_screen_current[i * LCDWIDTH + j]) {
if (page_addr != i) {
set_page_address(i);
page_addr = i;
}
if (col_addr != j) {
set_column_address(j);
col_addr = j + 1;
}
send_data(micro_oled_screen_buffer[i * LCDWIDTH + j]);
micro_oled_screen_current[i * LCDWIDTH + j] = micro_oled_screen_buffer[i * LCDWIDTH + j];
col_addr = j + 1;
}
}
}