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Added OLED Initialized checks (#11129)

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XScorpion2 2020-12-05 19:53:47 -06:00 • committed by GitHub
parent 5cf70f3993
commit cba76092eb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 0 deletions
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28
drivers/oled/oled_driver.c
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@ -271,6 +271,10 @@ static void rotate_90(const uint8_t *src, uint8_t *dest) {
}
void oled_render(void) {
if (!oled_initialized) {
return;
}
// Do we have work to do?
oled_dirty &= OLED_ALL_BLOCKS_MASK;
if (!oled_dirty || oled_scrolling) {
@ -527,6 +531,10 @@ void oled_write_raw_P(const char *data, uint16_t size) {
#endif // defined(__AVR__)
bool oled_on(void) {
if (!oled_initialized) {
return oled_active;
}
#if OLED_TIMEOUT > 0
oled_timeout = timer_read32() + OLED_TIMEOUT;
#endif
@ -543,6 +551,10 @@ bool oled_on(void) {
}
bool oled_off(void) {
if (!oled_initialized) {
return !oled_active;
}
static const uint8_t PROGMEM display_off[] = {I2C_CMD, DISPLAY_OFF};
if (oled_active) {
if (I2C_TRANSMIT_P(display_off) != I2C_STATUS_SUCCESS) {
@ -557,6 +569,10 @@ bool oled_off(void) {
bool is_oled_on(void) { return oled_active; }
uint8_t oled_set_brightness(uint8_t level) {
if (!oled_initialized) {
return oled_brightness;
}
uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level};
if (oled_brightness != level) {
if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) {
@ -596,6 +612,10 @@ void oled_scroll_set_speed(uint8_t speed) {
}
bool oled_scroll_right(void) {
if (!oled_initialized) {
return oled_scrolling;
}
// 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) {
@ -610,6 +630,10 @@ bool oled_scroll_right(void) {
}
bool oled_scroll_left(void) {
if (!oled_initialized) {
return oled_scrolling;
}
// 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) {
@ -624,6 +648,10 @@ bool oled_scroll_left(void) {
}
bool oled_scroll_off(void) {
if (!oled_initialized) {
return !oled_scrolling;
}
if (oled_scrolling) {
static const uint8_t PROGMEM display_scroll_off[] = {I2C_CMD, DEACTIVATE_SCROLL};
if (I2C_TRANSMIT_P(display_scroll_off) != I2C_STATUS_SUCCESS) {