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hci_transport_em9304_spi: avoid spi read for empty payload

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This commit is contained in:
Matthias Ringwald 2020-01-19 00:41:16 +01:00
parent bb80652885
commit 8c7252e203
1 changed files with 14 additions and 2 deletions
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16
src/hci_transport_em9304_spi.c
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@ -418,6 +418,11 @@ static void hci_transport_em9304_spi_process_data(void){
}
}
static void hci_transport_em9304_spi_packet_complete(void){
packet_handler(hci_packet[0], &hci_packet[1], hci_transport_em9304_spi_read_pos-1);
hci_transport_em9304_spi_reset_statemachine();
}
static void hci_transport_em9304_spi_block_read(void){
switch (hci_transport_em9304_h4_state) {
case H4_W4_PACKET_TYPE:
@ -445,6 +450,10 @@ static void hci_transport_em9304_spi_block_read(void){
hci_transport_em9304_spi_reset_statemachine();
break;
}
if (hci_transport_em9304_spi_bytes_to_read == 0){
hci_transport_em9304_spi_packet_complete();
break;
}
hci_transport_em9304_h4_state = H4_W4_PAYLOAD;
break;
@ -456,12 +465,15 @@ static void hci_transport_em9304_spi_block_read(void){
hci_transport_em9304_spi_reset_statemachine();
break;
}
if (hci_transport_em9304_spi_bytes_to_read == 0){
hci_transport_em9304_spi_packet_complete();
break;
}
hci_transport_em9304_h4_state = H4_W4_PAYLOAD;
break;
case H4_W4_PAYLOAD:
packet_handler(hci_packet[0], &hci_packet[1], hci_transport_em9304_spi_read_pos-1);
hci_transport_em9304_spi_reset_statemachine();
hci_transport_em9304_spi_packet_complete();
break;
default:
break;