SSD2119: power control
All modes are working: powerOff, powerOn, powerSleep and powerDeepSleep.
This commit is contained in:
Mateusz Tomaszkiewicz
parent
51b292d3b9
commit
bbdd57d9c1
1 changed files with 127 additions and 92 deletions
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@ -515,7 +515,7 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
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#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
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#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
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/**
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/**
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* @brief Driver Control
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* @brief Driver Control
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* @details Unsupported control codes are ignored.
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* @details Unsupported control codes are ignored.
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* @note The value parameter should always be typecast to (void *).
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* @note The value parameter should always be typecast to (void *).
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* @note There are some predefined and some specific to the low level driver.
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* @note There are some predefined and some specific to the low level driver.
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@ -525,8 +525,6 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
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* that only supports off/on anything other
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* that only supports off/on anything other
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* than zero is on.
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* than zero is on.
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* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
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* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
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* GDISP_CONTROL_LLD - Low level driver control constants start at
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* this value.
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*
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*
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* @param[in] what What to do.
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* @param[in] what What to do.
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* @param[in] value The value to use (always cast to a void *).
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* @param[in] value The value to use (always cast to a void *).
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@ -535,98 +533,135 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
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*/
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*/
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void gdisp_lld_control(unsigned what, void *value) {
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void gdisp_lld_control(unsigned what, void *value) {
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switch(what) {
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switch(what) {
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case GDISP_CONTROL_POWER:
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case GDISP_CONTROL_POWER:
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if (GDISP.Powermode == (gdisp_powermode_t)value)
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if (GDISP.Powermode == (gdisp_powermode_t)value)
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return;
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switch((gdisp_powermode_t)value) {
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case powerOff:
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
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write_reg(SSD2119_REG_OSC_START, 0x0000); // Turn off oscillator
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release_bus();
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set_backlight(0);
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break;
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case powerOn:
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if (GDISP.Powermode == powerSleep) {
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on
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release_bus();
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delayms(170);
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} else if (GDISP.Powermode == powerDeepSleep) {
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_2, 0x0999); // Disable deep sleep function
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on
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release_bus();
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delayms(170);
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} else {
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
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release_bus();
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gdisp_lld_init();
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}
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set_backlight(100);
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break;
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case powerSleep:
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
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release_bus();
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set_backlight(0);
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delayms(25);
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break;
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case powerDeepSleep:
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acquire_bus();
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
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write_reg(SSD2119_REG_SLEEP_MODE_2, 0x2999); // Enable deep sleep function
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
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release_bus();
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set_backlight(0);
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delayms(25);
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break;
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default:
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return;
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}
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GDISP.Powermode = (gdisp_powermode_t)value;
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return;
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return;
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switch((gdisp_powermode_t)value) {
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case powerOff:
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case GDISP_CONTROL_ORIENTATION:
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acquire_bus();
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if (GDISP.Orientation == (gdisp_orientation_t)value)
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write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // enter sleep mode
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return;
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write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // halt operation
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switch((gdisp_orientation_t)value) {
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write_reg(SSD2119_REG_OSC_START, 0x0000); // turn off oszcillator
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case GDISP_ROTATE_0:
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set_backlight(0);
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acquire_bus();
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delayms(500);
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write_reg(0x0001, 0x2B3F);
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release_bus();
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/* ID = 11 AM = 0 */
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break;
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write_reg(0x0011, 0x6070);
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case powerOn:
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release_bus();
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acquire_bus();
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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write_reg(0x0010, 0x0000); // leave sleep mode
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GDISP.Width = GDISP_SCREEN_WIDTH;
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release_bus();
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break;
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if (GDISP.Powermode != powerSleep)
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gdisp_lld_init();
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case GDISP_ROTATE_90:
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set_backlight(100);
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acquire_bus();
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break;
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write_reg(0x0001, 0x293F);
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case powerSleep:
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/* ID = 11 AM = 1 */
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acquire_bus();
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write_reg(0x0011, 0x6078);
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write_reg(0x0010, 0x0001); // enter sleep mode
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release_bus();
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release_bus();
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GDISP.Height = GDISP_SCREEN_WIDTH;
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break;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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case GDISP_ROTATE_180:
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acquire_bus();
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write_reg(0x0001, 0x2B3F);
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/* ID = 01 AM = 0 */
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write_reg(0x0011, 0x6040);
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release_bus();
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_270:
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acquire_bus();
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write_reg(0x0001, 0x293F);
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/* ID = 01 AM = 1 */
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write_reg(0x0011, 0x6048);
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release_bus();
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GDISP.Height = GDISP_SCREEN_WIDTH;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
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GDISP.clipx0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipy1 = GDISP.Height;
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#endif
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GDISP.Orientation = (gdisp_orientation_t)value;
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return;
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case GDISP_CONTROL_BACKLIGHT:
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if ((unsigned)value > 100)
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value = (void *)100;
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set_backlight((unsigned)value);
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GDISP.Backlight = (unsigned)value;
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return;
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case GDISP_CONTROL_CONTRAST:
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default:
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default:
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return;
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return;
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}
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GDISP.Powermode = (gdisp_powermode_t)value;
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return;
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case GDISP_CONTROL_ORIENTATION:
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if (GDISP.Orientation == (gdisp_orientation_t)value)
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return;
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switch((gdisp_orientation_t)value) {
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case GDISP_ROTATE_0:
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acquire_bus();
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write_reg(0x0001, 0x2B3F);
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/* ID = 11 AM = 0 */
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write_reg(0x0011, 0x6070);
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release_bus();
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_90:
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acquire_bus();
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write_reg(0x0001, 0x293F);
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/* ID = 11 AM = 1 */
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write_reg(0x0011, 0x6078);
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release_bus();
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GDISP.Height = GDISP_SCREEN_WIDTH;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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case GDISP_ROTATE_180:
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acquire_bus();
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write_reg(0x0001, 0x2B3F);
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/* ID = 01 AM = 0 */
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write_reg(0x0011, 0x6040);
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release_bus();
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_270:
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acquire_bus();
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write_reg(0x0001, 0x293F);
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/* ID = 01 AM = 1 */
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write_reg(0x0011, 0x6048);
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release_bus();
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GDISP.Height = GDISP_SCREEN_WIDTH;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
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GDISP.clipx0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipy1 = GDISP.Height;
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#endif
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GDISP.Orientation = (gdisp_orientation_t)value;
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return;
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case GDISP_CONTROL_BACKLIGHT:
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if ((unsigned)value > 100) {
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value = (void *) 100;
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}
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set_backlight((unsigned)value);
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GDISP.Backlight = (unsigned)value;
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break;
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/*
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case GDISP_CONTROL_CONTRAST:
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*/
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}
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}
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}
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}
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#endif
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#endif
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