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Implemented the NETOPT_CCA_THRESHOLD option for KW2xrf

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Jonas 2015-10-28 18:04:33 +01:00 committed by Kévin Roussel
parent 8bfd856abe
commit e9f86c1126
1 changed files with 35 additions and 0 deletions
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35
drivers/kw2xrf/kw2xrf.c
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@ -519,6 +519,25 @@ uint64_t kw2xrf_get_addr_long(kw2xrf_t *dev)
return addr;
}
int8_t kw2xrf_get_cca_threshold(kw2xrf_t *dev)
{
uint8_t tmp;
kw2xrf_read_iregs(MKW2XDMI_CCA1_THRESH, &tmp, 1);
/* KW2x register value represents absolute value in dBm
* default value: -75 dBm
*/
return (-tmp);
}
void kw2xrf_set_cca_threshold(kw2xrf_t *dev, int8_t value)
{
/* normalize to absolute value */
if (value < 0) {
value = -value;
}
kw2xrf_write_iregs(MKW2XDMI_CCA1_THRESH, (uint8_t*)&value, 1);
}
int kw2xrf_get(gnrc_netdev_t *netdev, netopt_t opt, void *value, size_t max_len)
{
kw2xrf_t *dev = (kw2xrf_t *)netdev;
@ -610,6 +629,14 @@ int kw2xrf_get(gnrc_netdev_t *netdev, netopt_t opt, void *value, size_t max_len)
*(int16_t *)value = dev->tx_power;
return 0;
case NETOPT_CCA_THRESHOLD:
if (max_len < sizeof(uint8_t)) {
return -EOVERFLOW;
} else {
*(int8_t *)value = kw2xrf_get_cca_threshold(dev);
}
return 0;
case NETOPT_MAX_PACKET_SIZE:
if (max_len < sizeof(int16_t)) {
return -EOVERFLOW;
@ -781,6 +808,14 @@ int kw2xrf_set(gnrc_netdev_t *netdev, netopt_t opt, void *value, size_t value_le
kw2xrf_set_tx_power(dev, (int8_t *)value, value_len);
return sizeof(uint16_t);
case NETOPT_CCA_THRESHOLD:
if (value_len < sizeof(uint8_t)) {
return -EOVERFLOW;
} else {
kw2xrf_set_cca_threshold(dev, *((int8_t*)value));
}
return sizeof(uint8_t);
case NETOPT_PROTO:
return kw2xrf_set_proto(dev, (uint8_t *)value, value_len);