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Bluetooth: Controller: Implement LE_RAND command

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The LE_RAND HCI command was not filling in the rand array
with 8 random numbers as required by the spec.
Please note that the while() loop inside the command's
implementation can take up to hundreds of ms to execute.

Jira: ZEP-726

Change-Id: If27ff861ee5fa7842cd469e99d5bfa8ac47ac2fa
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
This commit is contained in:
Carles Cufi 2016-09-13 16:49:44 +02:00 • committed by Johan Hedberg
commit 90871a5e98
1 changed files with 9 additions and 1 deletions
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10
drivers/bluetooth/controller/hci/hci.c
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@ -25,6 +25,8 @@
#include "defines.h"
#include "ticker.h"
#include "mem.h"
#include "rand.h"
#include "cpu.h"
#include "ecb.h"
#include "ccm.h"
#include "radio.h"
@ -554,13 +556,19 @@ static void le_encrypt(uint8_t *cp, struct bt_hci_evt_hdr *evt)
static void le_rand(uint8_t *cp, struct bt_hci_evt_hdr *evt)
{
struct bt_hci_rp_le_rand *rp = HCI_CC_RP(evt);
uint8_t count = sizeof(rp->rand);
evt->evt = BT_HCI_EVT_CMD_COMPLETE;
evt->len = HCI_CC_LEN(*rp);
rp->status = 0x00;
/** TODO fill rand */
while (count) {
count = rand_get(count, rp->rand);
if (count) {
cpu_sleep();
}
}
}
static void le_start_encryption(uint8_t *cp, struct bt_hci_evt_hdr *evt)