From 3d7584a9515e95aed3c3bca034f700b351135530 Mon Sep 17 00:00:00 2001
From: Jay Robson <jsrobson10@gmail.com>
Date: Sat, 31 Aug 2024 02:06:10 +1000
Subject: [PATCH] fix addressability issues for last 64K of EEPROM

---
 data.cpp   | 3 +--
 eeprom.cpp | 5 +++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/data.cpp b/data.cpp
index 6afbbc7..1b48620 100644
--- a/data.cpp
+++ b/data.cpp
@@ -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);
 	}
 }
 
diff --git a/eeprom.cpp b/eeprom.cpp
index 5de7439..01235cb 100644
--- a/eeprom.cpp
+++ b/eeprom.cpp
@@ -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);