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drivers/nble: Convert RPC serialization code to use net_buf

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Using net_buf helps us remove a lot of the pointer & data length
book-keeping variables and in general makes the code more readable.

Change-Id: Iec870a3bacbb63b55329ef5214b0ee0a757f5b1e
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2016-02-11 11:07:25 +02:00 • committed by Gerrit Code Review
commit 58ba5e8633
3 changed files with 100 additions and 143 deletions
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13
drivers/nble/uart.c
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@ -64,7 +64,7 @@ static void rx_fiber(void)
}
}
uint8_t *rpc_alloc_cb(uint16_t length)
struct net_buf *rpc_alloc_cb(uint16_t length)
{
struct net_buf *buf;
@ -82,7 +82,7 @@ uint8_t *rpc_alloc_cb(uint16_t length)
return NULL;
}
return buf->__buf;
return buf;
}
static void poll_out(const void *buf, size_t length)
@ -94,14 +94,13 @@ static void poll_out(const void *buf, size_t length)
}
}
void rpc_transmit_cb(uint8_t *data, uint16_t length)
void rpc_transmit_cb(struct net_buf *buf)
{
struct net_buf *buf = CONTAINER_OF(data, struct net_buf, __buf);
struct ipc_uart_header hdr;
BT_DBG("buf %p length %u", data, length);
BT_DBG("buf %p length %u", buf, buf->len);
hdr.len = length;
hdr.len = buf->len;
hdr.channel = 0;
hdr.src_cpu_id = 0;
@ -109,7 +108,7 @@ void rpc_transmit_cb(uint8_t *data, uint16_t length)
poll_out(&hdr, sizeof(hdr));
/* Send data */
poll_out(buf->data, length);
poll_out(buf->data, buf->len);
net_buf_unref(buf);
}