pbio/drv/bluetooth_btstack: Add hook for packet handler.

The POSIX variant needs to handle specific packets that are not relevant to the other platforms.

Author: laurensvalk

lib/pbio/drv/bluetooth/bluetooth_btstack.c

@@ -245,6 +245,9 @@ static void parse_hci_local_version_information(pbdrv_bluetooth_btstack_local_ve
 // currently, this function just handles the Powered Up handset control.
 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
 
+    // Platform-specific platform handler has priority.
+    pbdrv_bluetooth_btstack_platform_packet_handler(packet_type, channel, packet, size);
+
     #if PBDRV_CONFIG_BLUETOOTH_BTSTACK_LE
     pbdrv_bluetooth_peripheral_t *peri = &peripheral_singleton;
     #endif // PBDRV_CONFIG_BLUETOOTH_BTSTACK_LE

lib/pbio/drv/bluetooth/bluetooth_btstack.h

@@ -27,6 +27,16 @@ pbio_error_t pbdrv_bluetooth_btstack_platform_init(void);
  */
 void pbdrv_bluetooth_btstack_platform_poll(void);
 
+/**
+ * Optional platform packet handler, called on HCI packets before common handler.
+ *
+ * @param [in]  packet_type  The HCI packet type.
+ * @param [in]  channel      The HCI channel.
+ * @param [in]  packet       Pointer to the raw packet data.
+ * @param [in]  size         Size of the packet data.
+ */
+void pbdrv_bluetooth_btstack_platform_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
+
 /** Chipset info */
 typedef struct {
     /** Version */

lib/pbio/drv/bluetooth/bluetooth_btstack_ev3.c

@@ -73,6 +73,9 @@ pbio_error_t pbdrv_bluetooth_btstack_platform_init(void) {
 void pbdrv_bluetooth_btstack_platform_poll(void) {
 }
 
+void pbdrv_bluetooth_btstack_platform_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
+}
+
 void pbdrv_bluetooth_btstack_set_chipset(pbdrv_bluetooth_btstack_local_version_info_t *device_info) {
     const pbdrv_bluetooth_btstack_chipset_info_t *info = device_info->lmp_pal_subversion == cc2560_info.lmp_version ?
         &cc2560_info : &cc2560a_info;

lib/pbio/drv/bluetooth/bluetooth_btstack_stm32_hal.c

@@ -33,6 +33,9 @@ pbio_error_t pbdrv_bluetooth_btstack_platform_init(void) {
 void pbdrv_bluetooth_btstack_platform_poll(void) {
 }
 
+void pbdrv_bluetooth_btstack_platform_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
+}
+
 void pbdrv_bluetooth_btstack_set_chipset(pbdrv_bluetooth_btstack_local_version_info_t *device_info) {
 
     const pbdrv_bluetooth_btstack_platform_data_t *pdata =

lib/pbio/test/drv/test_bluetooth_btstack.c

@@ -780,6 +780,9 @@ pbio_error_t pbdrv_bluetooth_btstack_platform_init(void) {
 void pbdrv_bluetooth_btstack_platform_poll(void) {
 }
 
+void pbdrv_bluetooth_btstack_platform_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
+}
+
 static pbio_error_t test_btstack_run_loop_contiki_poll(pbio_os_state_t *state, void *context) {
     static btstack_data_source_t data_source;
     static uint32_t callback_count;