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Simplify logo presence check.

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This commit is contained in:
Alessandro Gatti
2020-05-10 22:41:17 +02:00
parent 16c5b097d3
commit 38dbb05bc4
1 changed files with 12 additions and 17 deletions
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29
workspace/TS100/Core/Src/main.cpp
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@@ -302,26 +302,21 @@ void startMOVTask(void const *argument __unused) {
}
}
#define FLASH_LOGOADDR \
(0x8000000 | 0xF800) /*second last page of flash set aside for logo image*/
/* The header value is (0xAA,0x55,0xF0,0x0D) but is stored in little endian 16
* bits words on the flash */
const uint8_t LOGO_HEADER_VALUE[] = { 0x55, 0xAA, 0x0D, 0xF0 };
// Second last page of flash set aside for logo image.
#define FLASH_LOGOADDR (0x8000000 | 0xF800)
// Logo header signature.
#define LOGO_HEADER_VALUE 0xF00DAA55
bool showBootLogoIfavailable() {
uint8_t *header = (uint8_t*) (FLASH_LOGOADDR);
// Do not show logo data if signature is not found.
if (LOGO_HEADER_VALUE != *(reinterpret_cast<const uint32_t *>(FLASH_LOGOADDR))) {
return false;
}
// check if the header is correct.
for (int i = 0; i < 4; i++) {
if (header[i] != LOGO_HEADER_VALUE[i]) {
return false;
}
}
OLED::drawAreaSwapped(0, 0, 96, 16, (uint8_t*) (FLASH_LOGOADDR + 4));
OLED::refresh();
return true;
OLED::drawAreaSwapped(0, 0, 96, 16, (uint8_t*) (FLASH_LOGOADDR + 4));
OLED::refresh();
return true;
}
/*