Added OLED Initialized checks (#11129)
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1 changed files with 28 additions and 0 deletions
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@ -271,6 +271,10 @@ static void rotate_90(const uint8_t *src, uint8_t *dest) {
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}
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void oled_render(void) {
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if (!oled_initialized) {
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return;
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}
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// Do we have work to do?
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oled_dirty &= OLED_ALL_BLOCKS_MASK;
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if (!oled_dirty || oled_scrolling) {
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@ -527,6 +531,10 @@ void oled_write_raw_P(const char *data, uint16_t size) {
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#endif // defined(__AVR__)
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bool oled_on(void) {
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if (!oled_initialized) {
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return oled_active;
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}
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#if OLED_TIMEOUT > 0
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oled_timeout = timer_read32() + OLED_TIMEOUT;
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#endif
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@ -543,6 +551,10 @@ bool oled_on(void) {
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}
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bool oled_off(void) {
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if (!oled_initialized) {
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return !oled_active;
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}
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static const uint8_t PROGMEM display_off[] = {I2C_CMD, DISPLAY_OFF};
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if (oled_active) {
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if (I2C_TRANSMIT_P(display_off) != I2C_STATUS_SUCCESS) {
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@ -557,6 +569,10 @@ bool oled_off(void) {
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bool is_oled_on(void) { return oled_active; }
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uint8_t oled_set_brightness(uint8_t level) {
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if (!oled_initialized) {
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return oled_brightness;
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}
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uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level};
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if (oled_brightness != level) {
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if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) {
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@ -596,6 +612,10 @@ void oled_scroll_set_speed(uint8_t speed) {
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}
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bool oled_scroll_right(void) {
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if (!oled_initialized) {
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return oled_scrolling;
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}
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// Dont enable scrolling if we need to update the display
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// This prevents scrolling of bad data from starting the scroll too early after init
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if (!oled_dirty && !oled_scrolling) {
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@ -610,6 +630,10 @@ bool oled_scroll_right(void) {
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}
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bool oled_scroll_left(void) {
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if (!oled_initialized) {
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return oled_scrolling;
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}
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// Dont enable scrolling if we need to update the display
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// This prevents scrolling of bad data from starting the scroll too early after init
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if (!oled_dirty && !oled_scrolling) {
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@ -624,6 +648,10 @@ bool oled_scroll_left(void) {
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}
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bool oled_scroll_off(void) {
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if (!oled_initialized) {
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return !oled_scrolling;
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}
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if (oled_scrolling) {
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static const uint8_t PROGMEM display_scroll_off[] = {I2C_CMD, DEACTIVATE_SCROLL};
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if (I2C_TRANSMIT_P(display_scroll_off) != I2C_STATUS_SUCCESS) {
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