VARCem/ihex
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Size optimization

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This commit is contained in:
Kimmo Kulovesi
2013-12-28 04:08:15 +02:00
parent ed9aed3e4b
commit 93b3115bd8
1 changed files with 6 additions and 11 deletions
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17
kk_ihex_read.c
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@@ -124,14 +124,11 @@ ihex_read_byte (struct ihex_state *ihex, char byte) {
ihex_end_read(ihex);
return;
}
ihex->data[n] = 0xFF; // poison checksum
break;
case READ_ADDRESS_MSB_HIGH:
ihex->address = (ihex->address & ADDRESS_HIGH_MASK) | (n << 8);
break;
ihex->address = (ihex->address & ADDRESS_HIGH_MASK);
case READ_ADDRESS_MSB_LOW:
ihex->address |= n << 8;
break;
n <<= 8;
case READ_ADDRESS_LSB_HIGH:
case READ_ADDRESS_LSB_LOW:
ihex->address |= n;
@@ -140,7 +137,7 @@ ihex_read_byte (struct ihex_state *ihex, char byte) {
ihex->flags = (ihex->flags & ~IHEX_READ_RECORD_TYPE_MASK);
case READ_RECORD_TYPE_LOW:
if (n > IHEX_READ_RECORD_TYPE_MASK) {
// unknown record type
// ignore unknown record type
state = READ_WAIT_FOR_START;
goto save_read_state;
}
@@ -152,14 +149,12 @@ ihex_read_byte (struct ihex_state *ihex, char byte) {
case READ_DATA_LOW: {
unsigned int len = ihex->length;
ihex->data[len] |= n;
if (len == ihex->line_length) {
ihex_end_read(ihex);
state = READ_WAIT_FOR_START;
} else {
if (len < ihex->line_length) {
ihex->length = len + 1;
state = READ_DATA_HIGH;
goto save_read_state;
}
goto save_read_state;
ihex_end_read(ihex);
}
default:
state = READ_WAIT_FOR_START;