mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-26 02:37:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

improve calculation for class2 single power command

Browse Source
This commit is contained in:
Matthias Ringwald 2015-05-10 23:15:54 +02:00
parent dd7b6f613f
commit eda847dbe4
1 changed files with 4 additions and 2 deletions

6
chipset-cc256x/bt_control_cc256x.c

@ -131,7 +131,7 @@ static int get_max_power_for_modulation_type(int type){
static int get_highest_level_for_given_power(int power_db, int recommended_db){
int i = NUM_POWER_LEVELS-1;
while (i) {
if (power_db < recommended_db) {
if (power_db <= recommended_db) {
return i;
}
power_db -= DB_PER_LEVEL;
@ -170,10 +170,12 @@ static void update_set_power_vector(uint8_t *hci_cmd_buffer){
}
}
// max permitted power for class 2 devices: 4 dBm
static void update_set_class2_single_power(uint8_t * hci_cmd_buffer){
const int max_power_class_2 = 4;
int i = 0;
for (i=0;i<3;i++){
hci_cmd_buffer[3+i] = get_highest_level_for_given_power(get_max_power_for_modulation_type(i), 4);
hci_cmd_buffer[3+i] = get_highest_level_for_given_power(get_max_power_for_modulation_type(i), max_power_class_2);
}
}