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Cpld autodetect & boot splash screen (#1888)

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* added delayed error message when hackrf cpld initialization fails

* refactoring

* implemented portapack cpld autodetection

* refactoring

* fixed valid config range

* added lcd fast setup

* added boot splash screen

* added one frame delay to remove flickering

* fixed config persistence
This commit is contained in:
Bernd Herzog 2024-02-14 23:17:33 +01:00 • committed by GitHub
parent 8725b01995
commit c3add0ce84
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GPG key ID: B5690EEEBB952194
7 changed files with 357 additions and 137 deletions
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30
firmware/common/lcd_ili9341.cpp
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@ -84,6 +84,17 @@ void lcd_wake() {
lcd_display_on();
}
uint32_t lcd_read_display_status() {
io.lcd_data_write_command_and_data(0x09, {});
io.lcd_read_word();
uint32_t value2 = io.lcd_read_word();
uint32_t value3 = io.lcd_read_word();
uint32_t value4 = io.lcd_read_word();
uint32_t value5 = io.lcd_read_word();
return value5 + (value4 << 8) + (value3 << 16) + (value2 << 24);
}
void lcd_init() {
// LCDs are configured for IM[2:0] = 001
// 8080-I system, 16-bit parallel bus
@ -260,6 +271,25 @@ void lcd_vertical_scrolling_start_address(
} // namespace
bool ILI9341::read_display_status() {
lcd_reset();
uint32_t display_status = lcd_read_display_status();
/* This tries to validate the display_status.
* The value could vary from device to device, so we are less specific here.
* 0xFFFFFEFF was seen when the display was not reachable
* 0x00610000 was seen when the display was reachable
*/
if (display_status > 0x0E000000ULL)
return false;
if (display_status < 0x00000100ULL)
return false;
return true;
}
void ILI9341::init() {
lcd_reset();
lcd_init();