[FL-1505] Add RAW format (#576)

* Add RAW format
* F5 stubs for build to pass
* Fix saving decoded signal error
* Irda: set ISR before starting timer, remove explicit NVIC configuration

Co-authored-by: あく <alleteam@gmail.com>

lib/irda/encoder_decoder/nec/irda_decoder_nec.c

@@ -0,0 +1,88 @@
+#include "irda_protocol_defs_i.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <furi.h>
+#include "../irda_i.h"
+
+
+bool irda_decoder_nec_interpret(IrdaCommonDecoder* decoder) {
+    furi_assert(decoder);
+
+    bool result = false;
+    uint8_t address = decoder->data[0];
+    uint8_t address_inverse = decoder->data[1];
+    uint8_t command = decoder->data[2];
+    uint8_t command_inverse = decoder->data[3];
+
+    if ((command == (uint8_t) ~command_inverse) && (address == (uint8_t) ~address_inverse)) {
+        decoder->message.command = command;
+        decoder->message.address = address;
+        decoder->message.repeat = false;
+        result = true;
+    }
+
+    return result;
+}
+
+// Some NEC's extensions allow 16 bit address
+bool irda_decoder_necext_interpret(IrdaCommonDecoder* decoder) {
+    furi_assert(decoder);
+
+    bool result = false;
+    uint8_t command = decoder->data[2];
+    uint8_t command_inverse = decoder->data[3];
+
+    if(command == (uint8_t)~command_inverse) {
+        decoder->message.command = command;
+        decoder->message.address = decoder->data[0] | (decoder->data[1] << 8);
+        decoder->message.repeat = false;
+        result = true;
+    }
+
+    return result;
+}
+
+// timings start from Space (delay between message and repeat)
+IrdaStatus irda_decoder_nec_decode_repeat(IrdaCommonDecoder* decoder) {
+    furi_assert(decoder);
+
+    float preamble_tolerance = decoder->protocol->timings.preamble_tolerance;
+    uint32_t bit_tolerance = decoder->protocol->timings.bit_tolerance;
+    IrdaStatus status = IrdaStatusError;
+
+    if(decoder->timings_cnt < 4) return IrdaStatusOk;
+
+    if((decoder->timings[0] > IRDA_NEC_REPEAT_PAUSE_MIN) &&
+       (decoder->timings[0] < IRDA_NEC_REPEAT_PAUSE_MAX) &&
+       MATCH_PREAMBLE_TIMING(decoder->timings[1], IRDA_NEC_REPEAT_MARK, preamble_tolerance) &&
+       MATCH_PREAMBLE_TIMING(decoder->timings[2], IRDA_NEC_REPEAT_SPACE, preamble_tolerance) &&
+       MATCH_BIT_TIMING(decoder->timings[3], decoder->protocol->timings.bit1_mark, bit_tolerance)) {
+        status = IrdaStatusReady;
+        decoder->timings_cnt = 0;
+    } else {
+        status = IrdaStatusError;
+    }
+
+    return status;
+}
+
+void* irda_decoder_nec_alloc(void) {
+    return irda_common_decoder_alloc(&protocol_nec);
+}
+
+void* irda_decoder_necext_alloc(void) {
+    return irda_common_decoder_alloc(&protocol_necext);
+}
+
+IrdaMessage* irda_decoder_nec_decode(void* decoder, bool level, uint32_t duration) {
+    return irda_common_decode(decoder, level, duration);
+}
+
+void irda_decoder_nec_free(void* decoder) {
+    irda_common_decoder_free(decoder);
+}
+
+void irda_decoder_nec_reset(void* decoder) {
+    irda_common_decoder_reset(decoder);
+}
+

lib/irda/encoder_decoder/nec/irda_encoder_nec.c

@@ -0,0 +1,85 @@
+#include "furi/check.h"
+#include "irda_common_i.h"
+#include <stdint.h>
+#include "../irda_i.h"
+#include "irda_protocol_defs_i.h"
+#include <furi.h>
+
+static const uint32_t repeat_timings[] = {
+    IRDA_NEC_REPEAT_PAUSE2,
+    IRDA_NEC_REPEAT_MARK,
+    IRDA_NEC_REPEAT_SPACE,
+    IRDA_NEC_BIT1_MARK,
+};
+
+void irda_encoder_nec_reset(void* encoder_ptr, const IrdaMessage* message) {
+    furi_assert(encoder_ptr);
+
+    IrdaCommonEncoder* encoder = encoder_ptr;
+    irda_common_encoder_reset(encoder);
+
+    uint8_t address = message->address;
+    uint8_t address_inverse = ~address;
+    uint8_t command = message->command;
+    uint8_t command_inverse = ~command;
+
+    uint32_t* data = (void*) encoder->data;
+    *data |= address;
+    *data |= address_inverse << 8;
+    *data |= command << 16;
+    *data |= command_inverse << 24;
+}
+
+void irda_encoder_necext_reset(void* encoder_ptr, const IrdaMessage* message) {
+    furi_assert(encoder_ptr);
+
+    IrdaCommonEncoder* encoder = encoder_ptr;
+    irda_common_encoder_reset(encoder);
+
+    uint16_t address = message->address;
+    uint8_t command = message->command;
+    uint8_t command_inverse = ~command;
+
+    uint32_t* data = (void*) encoder->data;
+    *data |= address;
+    *data |= command << 16;
+    *data |= command_inverse << 24;
+}
+
+IrdaStatus irda_encoder_nec_encode_repeat(IrdaCommonEncoder* encoder, uint32_t* duration, bool* level) {
+    furi_assert(encoder);
+
+    /* space + 2 timings preambule + payload + stop bit */
+    uint32_t timings_encoded_up_to_repeat = 1 + 2 + encoder->protocol->databit_len * 2 + 1;
+    uint32_t repeat_cnt = encoder->timings_encoded - timings_encoded_up_to_repeat;
+
+    furi_assert(encoder->timings_encoded >= timings_encoded_up_to_repeat);
+
+    if (repeat_cnt > 0)
+        *duration = repeat_timings[repeat_cnt % COUNT_OF(repeat_timings)];
+    else
+        *duration = IRDA_NEC_REPEAT_PAUSE1;
+
+    *level = repeat_cnt % 2;
+    ++encoder->timings_encoded;
+    bool done = (!((repeat_cnt + 1) % COUNT_OF(repeat_timings)));
+
+    return done ? IrdaStatusDone : IrdaStatusOk;
+}
+
+void* irda_encoder_necext_alloc(void) {
+    return irda_common_encoder_alloc(&protocol_necext);
+}
+
+void* irda_encoder_nec_alloc(void) {
+    return irda_common_encoder_alloc(&protocol_nec);
+}
+
+void irda_encoder_nec_free(void* encoder_ptr) {
+    irda_common_encoder_free(encoder_ptr);
+}
+
+IrdaStatus irda_encoder_nec_encode(void* encoder_ptr, uint32_t* duration, bool* level) {
+    return irda_common_encode(encoder_ptr, duration, level);
+}
+