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ILI9341: Refactor sleep on/off, display on/off functions.
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@ -43,11 +43,17 @@ void lcd_reset() {
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void lcd_sleep_in() {
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io.lcd_data_write_command_and_data(0x10, {});
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// "It will be necessary to wait 5msec before sending next command,
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// this is to allow time for the supply voltages and clock circuits
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// to stabilize."
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chThdSleepMilliseconds(5);
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}
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void lcd_sleep_out() {
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io.lcd_data_write_command_and_data(0x11, {});
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// "It will be necessary to wait 120msec after sending Sleep Out
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// command (when in Sleep In Mode) before Sleep In command can be
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// sent."
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chThdSleepMilliseconds(120);
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}
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@ -55,6 +61,20 @@ void lcd_display_on() {
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io.lcd_data_write_command_and_data(0x29, {});
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}
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void lcd_display_off() {
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io.lcd_data_write_command_and_data(0x28, {});
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}
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void lcd_sleep() {
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lcd_display_off();
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lcd_sleep_in();
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}
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void lcd_wake() {
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lcd_sleep_out();
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lcd_display_on();
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}
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void lcd_init() {
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// LCDs are configured for IM[2:0] = 001
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// 8080-I system, 16-bit parallel bus
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@ -161,8 +181,7 @@ void lcd_init() {
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0x47, 0x04, 0x0C, 0x0B, 0x29, 0x2F, 0x05
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});
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lcd_sleep_out();
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lcd_display_on();
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lcd_wake();
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// Turn on Tearing Effect Line (TE) output signal.
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io.lcd_data_write_command_and_data(0x35, { 0b00000000 });
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@ -261,11 +280,11 @@ void ILI9341::shutdown() {
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}
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void ILI9341::sleep() {
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lcd_sleep_in();
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lcd_sleep();
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}
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void ILI9341::wake() {
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lcd_sleep_out();
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lcd_wake();
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}
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void ILI9341::fill_rectangle(ui::Rect r, const ui::Color c) {
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