Fix conditional build.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/fido/fido.c

@@ -459,12 +459,14 @@ void scan_all() {
 extern void init_otp();
 void init_fido() {
     scan_all();
+#ifdef ENABLE_OTP_APP
     init_otp();
+#endif
 }
 
 bool wait_button_pressed() {
     uint32_t val = EV_PRESS_BUTTON;
-#ifndef ENABLE_EMULATION
+#if defined(PICO_PLATFORM) || defined(ESP_PLATFORM)
     queue_try_add(&card_to_usb_q, &val);
     do {
         queue_remove_blocking(&usb_to_card_q, &val);

src/fido/management.c

@@ -40,7 +40,9 @@ int man_select(app_t *a, uint8_t force) {
     apdu.ne = res_APDU_size;
     if (force) {
         scan_all();
+#ifdef ENABLE_OTP_APP
         init_otp();
+#endif
     }
     return PICOKEY_OK;
 }

src/fido/otp.c

@@ -216,6 +216,7 @@ int otp_button_pressed(uint8_t slot) {
     if (otp_config->cfg_flags & CHAL_YUBICO && otp_config->tkt_flags & CHAL_RESP) {
         return 2;
     }
+#ifdef ENABLE_OATH_APP
     if (otp_config->tkt_flags & OATH_HOTP) {
         uint8_t tmp_key[KEY_SIZE + 2];
         tmp_key[0] = 0x01;
@@ -257,6 +258,7 @@ int otp_button_pressed(uint8_t slot) {
             append_keyboard_buffer((const uint8_t *) "\r", 1);
         }
     }
+#endif
     else if (otp_config->cfg_flags & SHORT_TICKET || otp_config->cfg_flags & STATIC_TICKET) {
         uint8_t fixed_size = FIXED_SIZE + UID_SIZE + KEY_SIZE;
         if (otp_config->cfg_flags & SHORT_TICKET) { // Not clear which is the purpose of SHORT_TICKET