Changed attenuator power to be int instead of float

3 files changed, 3 insertions, 3 deletions

diff --git a/libloragw/inc/loragw_fpga.h b/libloragw/inc/loragw_fpga.h
index d5b6f9d..722438c 100644
--- a/libloragw/inc/loragw_fpga.h
+++ b/libloragw/inc/loragw_fpga.h
@@ -135,6 +135,6 @@ int lgw_fpga_reg_wb(uint16_t register_id, uint8_t *data, uint16_t size);
 */
 int lgw_fpga_reg_rb(uint16_t register_id, uint8_t *data, uint16_t size);
 
-int lgw_set_attenuation(float *attn);
+int lgw_set_attenuation(uint8_t *attn);
 #endif
 /* --- EOF ------------------------------------------------------------------ */
diff --git a/libloragw/src/loragw_fpga.c b/libloragw/src/loragw_fpga.c
index 368fe37..906f4b5 100644
--- a/libloragw/src/loragw_fpga.c
+++ b/libloragw/src/loragw_fpga.c
@@ -366,7 +366,7 @@ int lgw_fpga_reg_rb(uint16_t register_id, uint8_t *data, uint16_t size) {
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 
-int lgw_set_attenuation(float *attn) {
+int lgw_set_attenuation(uint8_t *attn) {
     if (*attn < 0) {
         return LGW_HAL_ERROR;
     }
diff --git a/libloragw/src/loragw_hal.c b/libloragw/src/loragw_hal.c
index 386bd6d..9355cb8 100644
--- a/libloragw/src/loragw_hal.c
+++ b/libloragw/src/loragw_hal.c
@@ -1423,7 +1423,7 @@ int lgw_send(struct lgw_pkt_tx_s pkt_data) {
         /* Power is set to max and the attenuator brings down the level to match the packet's request */
         target_mix_gain = 15;  /* Mixer gain is not used for setting power*/
         lgw_reg_w(LGW_TX_GAIN, 0);  /* Dig gain is not used for setting power */
-        float attn = (float)(max_tx_power - pkt_data.rf_power);
+        uint8_t attn = (uint8_t)(max_tx_power - pkt_data.rf_power);
         x = lgw_set_attenuation(&attn);
         if (x != LGW_HAL_SUCCESS) {
             DEBUG_MSG("ERROR: Failed to set attenuation value\n");