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stm32-sx1280: alloc rx buffer in start rx code

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This commit is contained in:
Matthias Ringwald 2020-08-13 23:12:15 +02:00
parent 4e236644c0
commit 9815de31a3
1 changed files with 33 additions and 13 deletions
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46
port/stm32-sx1280/controller/ll_sx1280.c
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@ -318,6 +318,9 @@ static struct {
// current outgoing packet
ll_pdu_t * tx_pdu;
// current incomoing packet
ll_pdu_t * rx_pdu;
// tx queue
btstack_linked_queue_t tx_queue;
@ -365,15 +368,38 @@ static void btstack_memory_ll_pdu_free(ll_pdu_t *acl_le_pdu){
btstack_memory_pool_free(&ll_pdu_pool, acl_le_pdu);
}
//
static bool receive_prepare_rx_bufffer(void){
if (ctx.rx_pdu == NULL){
ctx.rx_pdu = btstack_memory_ll_pdu_get();
}
if (ctx.rx_pdu == NULL){
printf("No free RX buffer\n");
return false;
} else {
return true;
}
}
static void receive_adv_response(void){
if (receive_prepare_rx_bufffer()) {
Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_0015_US, 10 } ); // 220 us
}
}
static void receive_first_master(void){
Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_1000_US, 1000 } );
if (receive_prepare_rx_bufffer()){
Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_1000_US, 1000 } );
}
}
static void receive_master(void){
Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_1000_US, 1 } );
if (receive_prepare_rx_bufffer()) {
Radio.SetRx((TickTime_t) {RADIO_TICK_SIZE_1000_US, 1});
}
}
static void send_adv(void){
// setup advertisement: header (2) + addr (6) + data (31)
uint8_t adv_buffer[39];
@ -386,9 +412,6 @@ static void send_adv(void){
SX1280SetTx( ( TickTime_t ){ RADIO_TICK_SIZE_1000_US, 1 } );
}
static void receive_adv_response(void){
Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_0015_US, 10 } ); // 220 us
}
static void select_channel(uint8_t channel){
// Set Whitening seed
@ -615,13 +638,10 @@ static void radio_on_rx_done(void ){
uint8_t next_expected_sequence_number;
// uint8_t more_data;
rx_packet = btstack_memory_ll_pdu_get();
// if no buffer ready, just drop it
if (rx_packet == NULL) {
printf("No free RX buffer\n");
return;
}
// fetch reserved rx pdu
rx_packet = ctx.rx_pdu;
btstack_assert(rx_packet != NULL);
ctx.rx_pdu = NULL;
// Read complete buffer
uint16_t max_packet_len;