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store the results of tmp & 1 to avoid recalc

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This commit is contained in:
Allen Hill
2026-05-10 18:52:43 -07:00
parent 8caee73765
commit 746551351f
1 changed files with 10 additions and 10 deletions
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src/avclandrv.c
+10 -10
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@@ -602,22 +602,22 @@ uint8_t AVCLAN_readframe(AVCLAN_frame_t *frame) {
parity = AVCLAN_readbits(&frame->controller_addr, 12); parity = AVCLAN_readbits(&frame->controller_addr, 12);
AVCLAN_readbits(&tmp, 1); AVCLAN_readbits(&tmp, 1);
if (parity != (tmp & 1)) { if (parity != (tmp &= 1)) {
err.errno = BAD_CONTROLLER_PARITY; err.errno = BAD_CONTROLLER_PARITY;
if (verbose) { if (verbose) {
err.read_val = frame->controller_addr; err.read_val = frame->controller_addr;
err.parity = tmp & 1; err.parity = tmp;
} }
goto handle_err; goto handle_err;
} }
parity = AVCLAN_readbits(&frame->peripheral_addr, 12); parity = AVCLAN_readbits(&frame->peripheral_addr, 12);
AVCLAN_readbits(&tmp, 1); AVCLAN_readbits(&tmp, 1);
if (parity != (tmp & 1)) { if (parity != (tmp &= 1)) {
err.errno = BAD_PERIPHERAL_PARITY; err.errno = BAD_PERIPHERAL_PARITY;
if (verbose) { if (verbose) {
err.read_val = frame->peripheral_addr; err.read_val = frame->peripheral_addr;
err.parity = tmp & 1; err.parity = tmp;
} }
goto handle_err; goto handle_err;
} }
@@ -632,11 +632,11 @@ uint8_t AVCLAN_readframe(AVCLAN_frame_t *frame) {
parity = AVCLAN_readbits(&frame->control, 4); parity = AVCLAN_readbits(&frame->control, 4);
AVCLAN_readbits(&tmp, 1); AVCLAN_readbits(&tmp, 1);
if (parity != (tmp & 1)) { if (parity != (tmp &= 1)) {
err.errno = BAD_CONTROL_PARITY; err.errno = BAD_CONTROL_PARITY;
if (verbose) { if (verbose) {
err.read_val = frame->control; err.read_val = frame->control;
err.parity = tmp & 1; err.parity = tmp;
} }
goto handle_err; goto handle_err;
} else if (shouldACK) { } else if (shouldACK) {
@@ -647,11 +647,11 @@ uint8_t AVCLAN_readframe(AVCLAN_frame_t *frame) {
parity = AVCLAN_readbyte(&frame->length); parity = AVCLAN_readbyte(&frame->length);
AVCLAN_readbits(&tmp, 1); AVCLAN_readbits(&tmp, 1);
if (parity != (tmp & 1)) { if (parity != (tmp &= 1)) {
err.errno = BAD_LENGTH_PARITY; err.errno = BAD_LENGTH_PARITY;
if (verbose) { if (verbose) {
err.read_val = frame->length; err.read_val = frame->length;
err.parity = tmp & 1; err.parity = tmp;
} }
goto handle_err; goto handle_err;
} else if (shouldACK) { } else if (shouldACK) {
@@ -669,11 +669,11 @@ uint8_t AVCLAN_readframe(AVCLAN_frame_t *frame) {
for (uint8_t i = 0; i < frame->length; i++) { for (uint8_t i = 0; i < frame->length; i++) {
parity = AVCLAN_readbyte(&frame->data[i]); parity = AVCLAN_readbyte(&frame->data[i]);
AVCLAN_readbits(&tmp, 1); AVCLAN_readbits(&tmp, 1);
if (parity != (tmp & 1)) { if (parity != (tmp &= 1)) {
err.errno = BAD_DATA_PARITY; err.errno = BAD_DATA_PARITY;
if (verbose) { if (verbose) {
err.read_val = frame->data[i]; err.read_val = frame->data[i];
err.parity = tmp & 1; err.parity = tmp;
} }
goto handle_err; goto handle_err;
} else if (shouldACK) { } else if (shouldACK) {