[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/worker/irda_transmit.c

@@ -0,0 +1,77 @@
+#include "irda.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <furi.h>
+#include <api-hal-irda.h>
+#include <api-hal-delay.h>
+
+#define IRDA_SET_TX_COMMON(d, l)        irda_set_tx((d), (l), IRDA_COMMON_DUTY_CYCLE, IRDA_COMMON_CARRIER_FREQUENCY)
+
+static void irda_set_tx(uint32_t duration, bool level, float duty_cycle, float frequency) {
+    if (level) {
+        api_hal_irda_pwm_set(duty_cycle, frequency);
+        delay_us(duration);
+    } else {
+        api_hal_irda_pwm_stop();
+        delay_us(duration);
+    }
+}
+
+void irda_send_raw_ext(const uint32_t timings[], uint32_t timings_cnt, bool start_from_mark, float duty_cycle, float frequency) {
+    __disable_irq();
+    for (uint32_t i = 0; i < timings_cnt; ++i) {
+        irda_set_tx(timings[i], (i % 2) ^ start_from_mark, duty_cycle, frequency);
+    }
+    IRDA_SET_TX_COMMON(0, false);
+    __enable_irq();
+}
+
+void irda_send_raw(const uint32_t timings[], uint32_t timings_cnt, bool start_from_mark) {
+    __disable_irq();
+    for (uint32_t i = 0; i < timings_cnt; ++i) {
+        IRDA_SET_TX_COMMON(timings[i], (i % 2) ^ start_from_mark);
+    }
+    IRDA_SET_TX_COMMON(0, false);
+    __enable_irq();
+}
+
+void irda_send(const IrdaMessage* message, int times) {
+    furi_assert(message);
+    furi_assert(irda_is_protocol_valid(message->protocol));
+
+    IrdaStatus status;
+    uint32_t duration = 0;
+    bool level = false;
+    IrdaEncoderHandler* handler = irda_alloc_encoder();
+    irda_reset_encoder(handler, message);
+
+    /* Hotfix: first timings is space timing, so make delay instead of locking
+     * whole system for that long. Replace when async timing lib will be ready.
+     * This timing doesn't have to be precise.
+     */
+    status = irda_encode(handler, &duration, &level);
+    furi_assert(status != IrdaStatusError);
+    furi_assert(level == false);
+    delay_us(duration);
+
+    __disable_irq();
+
+    while (times) {
+        status = irda_encode(handler, &duration, &level);
+        if (status != IrdaStatusError) {
+            IRDA_SET_TX_COMMON(duration, level);
+        } else {
+            furi_assert(0);
+            break;
+        }
+        if (status == IrdaStatusDone)
+            --times;
+    }
+
+    IRDA_SET_TX_COMMON(0, false);
+    __enable_irq();
+
+    irda_free_encoder(handler);
+}
+