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fix addressability issues for last 64K of EEPROM

This commit is contained in:
Jay Robson 2024-08-31 02:06:10 +10:00
parent ab6bb7d14b
commit 3d7584a951
2 changed files with 4 additions and 4 deletions
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3
data.cpp
View File

@ -21,11 +21,10 @@ static void flash_data() {
count = serial::read(buffer, eeprom::PAGE_SIZE);
eeprom::page_write(at, buffer);
at += eeprom::PAGE_SIZE;
delay(10);
} while(count == eeprom::PAGE_SIZE);
while(serial::is_connected()) {
serial::get();
serial::read(buffer, eeprom::PAGE_SIZE);
}
}

5
eeprom.cpp
View File

@ -24,7 +24,7 @@ static void wait_for_responsive(uint8_t i2c_addr) {
static uint8_t get_i2c_addr(uint32_t at) {
uint8_t i2c_addr = ADDR;
if(at > 0xffff) {
i2c_addr |= 0b100;
i2c_addr |= 1;
}
return i2c_addr;
}
@ -49,7 +49,7 @@ void eeprom::init() {
}
void eeprom::jump(uint32_t p_at) {
p_at = at;
at = p_at;
}
void eeprom::read(char* data, uint16_t data_size) {
@ -75,6 +75,7 @@ void eeprom::read(char* data, uint16_t data_size) {
}
void eeprom::page_write(uint32_t at, const char* data) {
if(at >= LENGTH) return;
uint8_t i2c_addr = get_i2c_addr(at);
wait_for_responsive(i2c_addr);
mem.start_write(i2c_addr);