Signed-off-by: Sean Young <sean@xxxxxxxx>
---
utils/common/ir-encode.c | 336 ++++++++++++++++++++-------------------
1 file changed, 170 insertions(+), 166 deletions(-)
diff --git a/utils/common/ir-encode.c b/utils/common/ir-encode.c
index e4fde403..b3757e12 100644
--- a/utils/common/ir-encode.c
+++ b/utils/common/ir-encode.c
@@ -29,23 +29,24 @@
#define NS_TO_US(x) (((x)+500)/1000)
+static const int nec_unit = 562500;
+
+static void nec_add_byte(unsigned *buf, int *n, unsigned bits)
+{
+ int i;
+ for (i=0; i<8; i++) {
+ buf[(*n)++] = NS_TO_US(nec_unit);
+ if (bits & (1 << i))
+ buf[(*n)++] = NS_TO_US(nec_unit * 3);
+ else
+ buf[(*n)++] = NS_TO_US(nec_unit);
+ }
+}
+
static int nec_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
{
- const int nec_unit = 562500;
int n = 0;
- void add_byte(unsigned bits)
- {
- int i;
- for (i=0; i<8; i++) {
- buf[n++] = NS_TO_US(nec_unit);
- if (bits & (1 << i))
- buf[n++] = NS_TO_US(nec_unit * 3);
- else
- buf[n++] = NS_TO_US(nec_unit);
- }
- }
-
buf[n++] = NS_TO_US(nec_unit * 16);
buf[n++] = NS_TO_US(nec_unit * 8);
@@ -53,22 +54,22 @@ static int nec_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
default:
return 0;
case RC_PROTO_NEC:
- add_byte(scancode >> 8);
- add_byte(~(scancode >> 8));
- add_byte(scancode);
- add_byte(~scancode);
+ nec_add_byte(buf, &n, scancode >> 8);
+ nec_add_byte(buf, &n, ~(scancode >> 8));
+ nec_add_byte(buf, &n, scancode);
+ nec_add_byte(buf, &n, ~scancode);
break;
case RC_PROTO_NECX:
- add_byte(scancode >> 16);
- add_byte(scancode >> 8);
- add_byte(scancode);
- add_byte(~scancode);
+ nec_add_byte(buf, &n, scancode >> 16);
+ nec_add_byte(buf, &n, scancode >> 8);
+ nec_add_byte(buf, &n, scancode);
+ nec_add_byte(buf, &n, ~scancode);
break;
case RC_PROTO_NEC32:
- add_byte(scancode >> 16);
- add_byte(scancode >> 24);
- add_byte(scancode);
- add_byte(scancode >> 8);
+ nec_add_byte(buf, &n, scancode >> 16);
+ nec_add_byte(buf, &n, scancode >> 24);
+ nec_add_byte(buf, &n, scancode);
+ nec_add_byte(buf, &n, scancode >> 8);
break;
}
@@ -104,102 +105,103 @@ static int jvc_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
return 35;
}
-static int sanyo_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+static const int sanyo_unit = 562500;
+
+static void sanyo_add_bits(unsigned **buf, int bits, int count)
{
- const int sanyo_unit = 562500;
-
- void add_bits(int bits, int count)
- {
- int i;
- for (i=0; i<count; i++) {
- *buf++ = NS_TO_US(sanyo_unit);
-
- if (bits & (1 << i))
- *buf++ = NS_TO_US(sanyo_unit * 3);
- else
- *buf++ = NS_TO_US(sanyo_unit);
- }
+ int i;
+ for (i=0; i<count; i++) {
+ *(*buf)++ = NS_TO_US(sanyo_unit);
+
+ if (bits & (1 << i))
+ *(*buf)++ = NS_TO_US(sanyo_unit * 3);
+ else
+ *(*buf)++ = NS_TO_US(sanyo_unit);
}
+}
+static int sanyo_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+{
*buf++ = NS_TO_US(sanyo_unit * 16);
*buf++ = NS_TO_US(sanyo_unit * 8);
- add_bits(scancode >> 8, 13);
- add_bits(~(scancode >> 8), 13);
- add_bits(scancode, 8);
- add_bits(~scancode, 8);
+ sanyo_add_bits(&buf, scancode >> 8, 13);
+ sanyo_add_bits(&buf, ~(scancode >> 8), 13);
+ sanyo_add_bits(&buf, scancode, 8);
+ sanyo_add_bits(&buf, ~scancode, 8);
*buf = NS_TO_US(sanyo_unit);
return 87;
}
-static int sharp_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+static const int sharp_unit = 40000;
+
+static void sharp_add_bits(unsigned **buf, int bits, int count)
{
- const int sharp_unit = 40000;
-
- void add_bits(int bits, int count)
- {
- int i;
- for (i=0; i<count; i++) {
- *buf++ = NS_TO_US(sharp_unit * 8);
-
- if (bits & (1 << i))
- *buf++ = NS_TO_US(sharp_unit * 50);
- else
- *buf++ = NS_TO_US(sharp_unit * 25);
- }
+ int i;
+ for (i=0; i<count; i++) {
+ *(*buf)++ = NS_TO_US(sharp_unit * 8);
+
+ if (bits & (1 << i))
+ *(*buf)++ = NS_TO_US(sharp_unit * 50);
+ else
+ *(*buf)++ = NS_TO_US(sharp_unit * 25);
}
+}
- add_bits(scancode >> 8, 5);
- add_bits(scancode, 8);
- add_bits(1, 2);
+static int sharp_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+{
+ sharp_add_bits(&buf, scancode >> 8, 5);
+ sharp_add_bits(&buf, scancode, 8);
+ sharp_add_bits(&buf, 1, 2);
*buf++ = NS_TO_US(sharp_unit * 8);
*buf++ = NS_TO_US(sharp_unit * 1000);
- add_bits(scancode >> 8, 5);
- add_bits(~scancode, 8);
- add_bits(~1, 2);
+ sharp_add_bits(&buf, scancode >> 8, 5);
+ sharp_add_bits(&buf, ~scancode, 8);
+ sharp_add_bits(&buf, ~1, 2);
*buf++ = NS_TO_US(sharp_unit * 8);
return (13 + 2) * 4 + 3;
}
-static int sony_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
-{
- const int sony_unit = 600000;
- int n = 0;
+static const int sony_unit = 600000;
- void add_bits(int bits, int count)
- {
- int i;
- for (i=0; i<count; i++) {
- if (bits & (1 << i))
- buf[n++] = NS_TO_US(sony_unit * 2);
- else
- buf[n++] = NS_TO_US(sony_unit);
+static void sony_add_bits(unsigned *buf, int *n, int bits, int count)
+{
+ int i;
+ for (i=0; i<count; i++) {
+ if (bits & (1 << i))
+ buf[(*n)++] = NS_TO_US(sony_unit * 2);
+ else
+ buf[(*n)++] = NS_TO_US(sony_unit);
- buf[n++] = NS_TO_US(sony_unit);
- }
+ buf[(*n)++] = NS_TO_US(sony_unit);
}
+}
+
+static int sony_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+{
+ int n = 0;
buf[n++] = NS_TO_US(sony_unit * 4);
buf[n++] = NS_TO_US(sony_unit);
switch (proto) {
case RC_PROTO_SONY12:
- add_bits(scancode, 7);
- add_bits(scancode >> 16, 5);
+ sony_add_bits(buf, &n, scancode, 7);
+ sony_add_bits(buf, &n, scancode >> 16, 5);
break;
case RC_PROTO_SONY15:
- add_bits(scancode, 7);
- add_bits(scancode >> 16, 8);
+ sony_add_bits(buf, &n, scancode, 7);
+ sony_add_bits(buf, &n, scancode >> 16, 8);
break;
case RC_PROTO_SONY20:
- add_bits(scancode, 7);
- add_bits(scancode >> 16, 5);
- add_bits(scancode >> 8, 8);
+ sony_add_bits(buf, &n, scancode, 7);
+ sony_add_bits(buf, &n, scancode >> 16, 5);
+ sony_add_bits(buf, &n, scancode >> 8, 8);
break;
default:
return 0;
@@ -209,39 +211,40 @@ static int sony_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
return n - 1;
}
-static int rc5_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
-{
- const unsigned int rc5_unit = 888888;
- unsigned n = 0;
+static const unsigned int rc5_unit = 888888;
- void advance_space(unsigned length)
- {
- if (n % 2)
- buf[n] += length;
- else
- buf[++n] = length;
- }
+static void rc5_advance_space(unsigned *buf, unsigned *n, unsigned length)
+{
+ if (*n % 2)
+ buf[*n] += length;
+ else
+ buf[++(*n)] = length;
+}
- void advance_pulse(unsigned length)
- {
- if (n % 2)
- buf[++n] = length;
- else
- buf[n] += length;
- }
+static void rc5_advance_pulse(unsigned *buf, unsigned *n, unsigned length)
+{
+ if (*n % 2)
+ buf[++(*n)] = length;
+ else
+ buf[*n] += length;
+}
- void add_bits(int bits, int count)
- {
- while (count--) {
- if (bits & (1 << count)) {
- advance_space(NS_TO_US(rc5_unit));
- advance_pulse(NS_TO_US(rc5_unit));
- } else {
- advance_pulse(NS_TO_US(rc5_unit));
- advance_space(NS_TO_US(rc5_unit));
- }
+static void rc5_add_bits(unsigned *buf, unsigned *n, int bits, int count)
+{
+ while (count--) {
+ if (bits & (1 << count)) {
+ rc5_advance_space(buf, n, NS_TO_US(rc5_unit));
+ rc5_advance_pulse(buf, n, NS_TO_US(rc5_unit));
+ } else {
+ rc5_advance_pulse(buf, n, NS_TO_US(rc5_unit));
+ rc5_advance_space(buf, n, NS_TO_US(rc5_unit));
}
}
+}
+
+static int rc5_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+{
+ unsigned n = 0;
buf[n] = NS_TO_US(rc5_unit);
@@ -249,24 +252,24 @@ static int rc5_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
default:
return 0;
case RC_PROTO_RC5:
- add_bits(!(scancode & 0x40), 1);
- add_bits(0, 1);
- add_bits(scancode >> 8, 5);
- add_bits(scancode, 6);
+ rc5_add_bits(buf, &n, !(scancode & 0x40), 1);
+ rc5_add_bits(buf, &n, 0, 1);
+ rc5_add_bits(buf, &n, scancode >> 8, 5);
+ rc5_add_bits(buf, &n, scancode, 6);
break;
case RC_PROTO_RC5_SZ:
- add_bits(!!(scancode & 0x2000), 1);
- add_bits(0, 1);
- add_bits(scancode >> 6, 6);
- add_bits(scancode, 6);
+ rc5_add_bits(buf, &n, !!(scancode & 0x2000), 1);
+ rc5_add_bits(buf, &n, 0, 1);
+ rc5_add_bits(buf, &n, scancode >> 6, 6);
+ rc5_add_bits(buf, &n, scancode, 6);
break;
case RC_PROTO_RC5X_20:
- add_bits(!(scancode & 0x4000), 1);
- add_bits(0, 1);
- add_bits(scancode >> 16, 5);
- advance_space(NS_TO_US(rc5_unit * 4));
- add_bits(scancode >> 8, 6);
- add_bits(scancode, 6);
+ rc5_add_bits(buf, &n, !(scancode & 0x4000), 1);
+ rc5_add_bits(buf, &n, 0, 1);
+ rc5_add_bits(buf, &n, scancode >> 16, 5);
+ rc5_advance_space(buf, &n, NS_TO_US(rc5_unit * 4));
+ rc5_add_bits(buf, &n, scancode >> 8, 6);
+ rc5_add_bits(buf, &n, scancode, 6);
break;
}
@@ -274,40 +277,41 @@ static int rc5_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
return (n % 2) ? n : n + 1;
}
-static int rc6_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
-{
- const unsigned int rc6_unit = 444444;
- unsigned n = 0;
+static const unsigned int rc6_unit = 444444;
- void advance_space(unsigned length)
- {
- if (n % 2)
- buf[n] += length;
- else
- buf[++n] = length;
- }
+static void rc6_advance_space(unsigned *buf, unsigned *n, unsigned length)
+{
+ if (*n % 2)
+ buf[*n] += length;
+ else
+ buf[++(*n)] = length;
+}
- void advance_pulse(unsigned length)
- {
- if (n % 2)
- buf[++n] = length;
- else
- buf[n] += length;
- }
+static void rc6_advance_pulse(unsigned *buf, unsigned *n, unsigned length)
+{
+ if (*n % 2)
+ buf[++(*n)] = length;
+ else
+ buf[*n] += length;
+}
- void add_bits(unsigned bits, unsigned count, unsigned length)
- {
- while (count--) {
- if (bits & (1 << count)) {
- advance_pulse(length);
- advance_space(length);
- } else {
- advance_space(length);
- advance_pulse(length);
- }
+static void rc6_add_bits(unsigned *buf, unsigned *n,
+ unsigned bits, unsigned count, unsigned length)
+{
+ while (count--) {
+ if (bits & (1 << count)) {
+ rc6_advance_pulse(buf, n, length);
+ rc6_advance_space(buf, n, length);
+ } else {
+ rc6_advance_space(buf, n, length);
+ rc6_advance_pulse(buf, n, length);
}
}
+}
+static int rc6_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
+{
+ unsigned n = 0;
buf[n++] = NS_TO_US(rc6_unit * 6);
buf[n++] = NS_TO_US(rc6_unit * 2);
buf[n] = 0;
@@ -316,25 +320,25 @@ static int rc6_encode(enum rc_proto proto, unsigned scancode, unsigned *buf)
default:
return 0;
case RC_PROTO_RC6_0:
- add_bits(8, 4, NS_TO_US(rc6_unit));
- add_bits(0, 1, NS_TO_US(rc6_unit * 2));
- add_bits(scancode, 16, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 8, 4, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 0, 1, NS_TO_US(rc6_unit * 2));
+ rc6_add_bits(buf, &n, scancode, 16, NS_TO_US(rc6_unit));
break;
case RC_PROTO_RC6_6A_20:
- add_bits(14, 4, NS_TO_US(rc6_unit));
- add_bits(0, 1, NS_TO_US(rc6_unit * 2));
- add_bits(scancode, 20, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 14, 4, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 0, 1, NS_TO_US(rc6_unit * 2));
+ rc6_add_bits(buf, &n, scancode, 20, NS_TO_US(rc6_unit));
break;
case RC_PROTO_RC6_6A_24:
- add_bits(14, 4, NS_TO_US(rc6_unit));
- add_bits(0, 1, NS_TO_US(rc6_unit * 2));
- add_bits(scancode, 24, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 14, 4, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 0, 1, NS_TO_US(rc6_unit * 2));
+ rc6_add_bits(buf, &n, scancode, 24, NS_TO_US(rc6_unit));
break;
case RC_PROTO_RC6_6A_32:
case RC_PROTO_RC6_MCE:
- add_bits(14, 4, NS_TO_US(rc6_unit));
- add_bits(0, 1, NS_TO_US(rc6_unit * 2));
- add_bits(scancode, 32, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 14, 4, NS_TO_US(rc6_unit));
+ rc6_add_bits(buf, &n, 0, 1, NS_TO_US(rc6_unit * 2));
+ rc6_add_bits(buf, &n, scancode, 32, NS_TO_US(rc6_unit));
break;
}
--
2.25.2
