diff --git a/main/esp32-lora.c b/main/esp32-lora.c
index eb46995..715cee5 100644
--- a/main/esp32-lora.c
+++ b/main/esp32-lora.c
@@ -107,6 +107,18 @@ void lora32_sleep(lora32_cfg_t *lora) {
   lora32_write_reg(lora, REG_OP_MODE, MODE_LONG_RANGE_MODE | MODE_SLEEP);
 }
 
+void lora32_enable_fhss(lora32_cfg_t *lora, uint8_t period) {
+  lora->enableFHSS = true;
+
+  lora32_write_reg(lora, REG_HOP_PERIOD, period);
+}
+
+void lora32_disable_fhss(lora32_cfg_t *lora) {
+  lora->enableFHSS = false;
+
+  lora32_write_reg(lora, REG_HOP_PERIOD, 0);
+}
+
 void lora32_enable_tx(lora32_cfg_t *lora) {
   lora32_standby(lora);