add intelhex format argument addr_unit

Author: fisherdog1

src/driver.rs

@@ -34,7 +34,9 @@ pub enum OutputFormat
 	BinDump,
 	HexDump,
 	Mif,
-	IntelHex,
+	IntelHex {
+		address_unit: usize,
+	},
 	DecComma,
 	HexComma,
 	DecSpace,
@@ -567,6 +569,11 @@ pub fn parse_output_format(
 		[2, 16].contains(&base)
 	};
 
+	let check_8_16_or_32 = &mut |base: usize| -> bool
+	{
+		[8, 16, 32].contains(&base)
+	};
+
 	let format = {
 		match format_id
 		{
@@ -594,7 +601,9 @@ pub fn parse_output_format(
 			"hexdump" => OutputFormat::HexDump,
 
 			"mif" => OutputFormat::Mif,
-			"intelhex" => OutputFormat::IntelHex,
+			"intelhex" => OutputFormat::IntelHex {
+				address_unit: get_arg_usize("addr_unit", 8, check_8_16_or_32)?,
+			},
 
 			"deccomma" => OutputFormat::DecComma,
 			"hexcomma" => OutputFormat::HexComma,
@@ -759,7 +768,8 @@ pub fn format_output(
 			OutputFormat::HexDump => output.format_hexdump(),
 
 			OutputFormat::Mif => output.format_mif(),
-			OutputFormat::IntelHex => output.format_intelhex(),
+			OutputFormat::IntelHex { address_unit } =>
+				output.format_intelhex(address_unit),
 
 			OutputFormat::DecComma => output.format_separator(10, ", "),
 			OutputFormat::HexComma => output.format_separator(16, ", "),

src/usage_help.md

@@ -71,7 +71,7 @@ Examples:
 * `hexdump`  
 
 * `mif`  
-* `intelhex`  
+* `intelhex,addr_unit:8`  
 
 * `deccomma`  
 * `hexcomma`  

src/util/bitvec_format.rs

@@ -205,10 +205,10 @@ impl util::BitVec
 		result.push_str("END;");
 		result
 	}
-
-
-	pub fn format_intelhex(&self) -> String
-	{
+	
+	
+	pub fn format_intelhex(&self, address_unit: usize) -> String
+	{	
 		let mut result = String::new();
 
 		let mut bytes_left = self.len() / 8 + if self.len() % 8 != 0 { 1 } else { 0 };
@@ -220,13 +220,13 @@ impl util::BitVec
 
 			result.push(':');
 			result.push_str(&format!("{:02X}", bytes_in_row));
-			result.push_str(&format!("{:04X}", index / 8));
+			result.push_str(&format!("{:04X}", index / address_unit));
 			result.push_str("00");
 
 			let mut checksum = 0_u8;
 			checksum = checksum.wrapping_add(bytes_in_row as u8);
-			checksum = checksum.wrapping_add(((index / 8) >> 8) as u8);
-			checksum = checksum.wrapping_add((index / 8) as u8);
+			checksum = checksum.wrapping_add(((index / address_unit) >> 8) as u8);
+			checksum = checksum.wrapping_add((index / address_unit) as u8);
 
 			for _ in 0..bytes_in_row
 			{