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Merge branch 'develop'

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This commit is contained in:
Matthias Ringwald 2016-05-25 21:02:53 +02:00
commit 448d4b74f1
2 changed files with 629 additions and 564 deletions
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233
port/nrf5x/main.c
View File

@ -26,6 +26,7 @@
#include "bsp.h" #include "bsp.h"
#include "btstack_config.h" #include "btstack_config.h"
#include "btstack_debug.h"
#include "btstack_memory.h" #include "btstack_memory.h"
#include "btstack_run_loop.h" #include "btstack_run_loop.h"
#include "btstack_run_loop_embedded.h" #include "btstack_run_loop_embedded.h"
@ -38,6 +39,10 @@
#define ADVERTISING_RADIO_ACCESS_ADDRESS 0x8E89BED6 #define ADVERTISING_RADIO_ACCESS_ADDRESS 0x8E89BED6
#define ADVERTISING_CRC_INIT 0x555555 #define ADVERTISING_CRC_INIT 0x555555
// HCI CMD OGF/OCF
#define READ_CMD_OGF(buffer) (buffer[1] >> 2)
#define READ_CMD_OCF(buffer) ((buffer[1] & 0x03) << 8 | buffer[0])
typedef enum { typedef enum {
LL_STATE_STANDBY, LL_STATE_STANDBY,
LL_STATE_SCANNING, LL_STATE_SCANNING,
@ -85,7 +90,6 @@ static void init_timer(void) {
#if 1 #if 1
// start high frequency clock source if not done yet // start high frequency clock source if not done yet
if ( !NRF_CLOCK->EVENTS_HFCLKSTARTED ) { if ( !NRF_CLOCK->EVENTS_HFCLKSTARTED ) {
printf("1\n");
NRF_CLOCK->TASKS_HFCLKSTART = 1; NRF_CLOCK->TASKS_HFCLKSTART = 1;
while ( !NRF_CLOCK->EVENTS_HFCLKSTARTED ){ while ( !NRF_CLOCK->EVENTS_HFCLKSTARTED ){
// just wait // just wait
@ -99,13 +103,11 @@ static void init_timer(void) {
NRF_TIMER0->TASKS_STOP = 1; NRF_TIMER0->TASKS_STOP = 1;
NRF_TIMER0->TASKS_CLEAR = 1; NRF_TIMER0->TASKS_CLEAR = 1;
#if 0 NRF_TIMER0->EVENTS_COMPARE[0] = 0;
NRF_TIMER0->EVENTS_COMPARE[ 0 ] = 0; NRF_TIMER0->EVENTS_COMPARE[1] = 0;
NRF_TIMER0->EVENTS_COMPARE[ 1 ] = 0; NRF_TIMER0->EVENTS_COMPARE[2] = 0;
NRF_TIMER0->EVENTS_COMPARE[ 2 ] = 0; NRF_TIMER0->EVENTS_COMPARE[3] = 0;
NRF_TIMER0->EVENTS_COMPARE[ 3 ] = 0;
NRF_TIMER0->INTENCLR = 0xffffffff; NRF_TIMER0->INTENCLR = 0xffffffff;
#endif
NRF_TIMER0->TASKS_START = 1; NRF_TIMER0->TASKS_START = 1;
} }
@ -286,12 +288,15 @@ void RADIO_IRQHandler(void){
} else { } else {
// ... for now, we just throw the adv away and try to receive the next one // ... for now, we just throw the adv away and try to receive the next one
} }
// TODO: check if there's enough time left before the end of the scan interval
// restart receiving
NRF_RADIO->TASKS_START = 1;
} }
// restart receiving
NRF_RADIO->TASKS_START = 1;
} }
static uint8_t random_generator_next(void){ uint8_t random_generator_next(void){
NRF_RNG->SHORTS = RNG_SHORTS_VALRDY_STOP_Enabled << RNG_SHORTS_VALRDY_STOP_Pos; NRF_RNG->SHORTS = RNG_SHORTS_VALRDY_STOP_Enabled << RNG_SHORTS_VALRDY_STOP_Pos;
NRF_RNG->TASKS_START = 1; NRF_RNG->TASKS_START = 1;
while (!NRF_RNG->EVENTS_VALRDY){ while (!NRF_RNG->EVENTS_VALRDY){
@ -299,30 +304,42 @@ static uint8_t random_generator_next(void){
return NRF_RNG->VALUE; return NRF_RNG->VALUE;
} }
static uint32_t get_time_us(void){ // uses TIMER0-CC2 for reads
NRF_TIMER0->TASKS_CAPTURE[0] = 1; uint32_t get_time_us(void){
return NRF_TIMER0->CC[0]; NRF_TIMER0->TASKS_CAPTURE[2] = 1;
return NRF_TIMER0->CC[2];
} }
// static volatile int timer_irq_happened;
void tick(void){ void TIMER0_IRQHandler(void){
uint32_t now = 0; // Reset IRQ flag
while (1){ NRF_TIMER0->EVENTS_COMPARE[0] = 0;
uint8_t random = random_generator_next(); NRF_TIMER0->TASKS_CLEAR = 1;
printf("Tick %02x\n", random);
now = get_time_us(); timer_irq_happened = 1;
uint32_t tick_at = now + 1000000;
while (now < tick_at){ // if (ll_state == LL_STATE_SCANNING){
now = get_time_us(); // // Restart scanning
} // // TODO: use all channels
} // radio_receive_on_channel(37);
// }
} }
// static // TODO: implement
void ll_set_scan_params(uint8_t le_scan_type, uint16_t le_scan_interval, uint16_t le_scan_window, uint8_t own_address_type, uint8_t scanning_filter_policy){ void hal_cpu_disable_irqs(void){}
void hal_cpu_enable_irqs(void){}
void hal_cpu_enable_irqs_and_sleep(void){}
// TODO: get time from RTC
uint32_t hal_time_ms(void){
return 999;
}
static void ll_set_scan_parameters(uint8_t le_scan_type, uint16_t le_scan_interval, uint16_t le_scan_window, uint8_t own_address_type, uint8_t scanning_filter_policy){
// TODO .. store other params // TODO .. store other params
ll_scan_interval_us = ((uint32_t) le_scan_interval) * 625; ll_scan_interval_us = ((uint32_t) le_scan_interval) * 625;
ll_scan_window_us = ((uint32_t) le_scan_window) * 625; ll_scan_window_us = ((uint32_t) le_scan_window) * 625;
log_info("LE Scan Params: window %lu, interval %lu ms", ll_scan_interval_us, ll_scan_window_us);
} }
static uint8_t ll_start_scanning(uint8_t filter_duplicates){ static uint8_t ll_start_scanning(uint8_t filter_duplicates){
@ -331,18 +348,32 @@ static uint8_t ll_start_scanning(uint8_t filter_duplicates){
ll_state = LL_STATE_SCANNING; ll_state = LL_STATE_SCANNING;
// reset timer log_info("LE Scan Start: window %lu, interval %lu ms", ll_scan_interval_us, ll_scan_window_us);
NRF_TIMER0->TASKS_CLEAR;
// set timer to disable radio after end of scan_window // reset timer and capature events
NRF_TIMER0->TASKS_CLEAR = 1;
NRF_TIMER0->TASKS_STOP = 1;
NRF_TIMER0->EVENTS_COMPARE[0] = 0;
NRF_TIMER0->EVENTS_COMPARE[1] = 0;
// limit scanning
if (ll_scan_window_us < ll_scan_interval_us){
// setup PPI to disable radio after end of scan_window
NRF_TIMER0->CC[1] = ll_scan_window_us;
NRF_PPI->CHENSET = 1 << 22; // TIMER0->EVENTS_COMPARE[1] -> RADIO->TASKS_DISABLE
}
// set timer to trigger IRQ for next scan interval // set timer to trigger IRQ for next scan interval
NRF_TIMER0->CC[0] = ll_scan_interval_us;
NRF_TIMER0->INTENSET = TIMER_INTENSET_COMPARE0_Enabled << TIMER_INTENSET_COMPARE0_Pos;
// start receive // next channel to scan
// .. int adv_channel = (random_generator_next() % 3) + 37;
log_debug("LE Scan Channel: %u", adv_channel);
// TODO: use all channels // start receiving
radio_receive_on_channel(37); NRF_TIMER0->TASKS_START = 1;
radio_receive_on_channel(adv_channel);
return 0; return 0;
} }
@ -351,6 +382,8 @@ static uint8_t ll_stop_scanning(void){
// COMMAND DISALLOWED if wrong state. // COMMAND DISALLOWED if wrong state.
if (ll_state != LL_STATE_SCANNING) return 0x0c; if (ll_state != LL_STATE_SCANNING) return 0x0c;
log_info("LE Scan Stop");
ll_state = LL_STATE_STANDBY; ll_state = LL_STATE_STANDBY;
// stop radio // stop radio
@ -359,8 +392,7 @@ static uint8_t ll_stop_scanning(void){
return 0; return 0;
} }
// static static uint8_t ll_set_scan_enable(uint8_t le_scan_enable, uint8_t filter_duplicates){
uint8_t ll_set_scan_enable(uint8_t le_scan_enable, uint8_t filter_duplicates){
if (le_scan_enable){ if (le_scan_enable){
return ll_start_scanning(filter_duplicates); return ll_start_scanning(filter_duplicates);
} else { } else {
@ -368,15 +400,79 @@ uint8_t ll_set_scan_enable(uint8_t le_scan_enable, uint8_t filter_duplicates){
} }
} }
static void fake_command_complete(uint16_t opcode){
hci_outgoing_event[0] = HCI_EVENT_COMMAND_COMPLETE;
hci_outgoing_event[1] = 4;
hci_outgoing_event[2] = 1;
little_endian_store_16(hci_outgoing_event, 3, opcode);
hci_outgoing_event[5] = 0;
hci_outgoing_event_ready = 1;
}
static void send_hardware_error(uint8_t error_code){
hci_outgoing_event[0] = HCI_EVENT_HARDWARE_ERROR;
hci_outgoing_event[1] = 1;
hci_outgoing_event[2] = error_code;
hci_outgoing_event_ready = 1;
}
// command handler
static void controller_handle_hci_command(uint8_t * packet, uint16_t size){
uint16_t opcode = little_endian_read_16(packet, 0);
#if 0
uint16_t ocf = READ_CMD_OCF(packet);
switch (READ_CMD_OGF(packet)){
case OGF_CONTROLLER_BASEBAND:
switch (ocf):
break;
default:
break;
}
#endif
if (opcode == hci_reset.opcode) {
fake_command_complete(opcode);
return;
}
if (opcode == hci_le_set_scan_enable.opcode){
ll_set_scan_enable(packet[3], packet[4]);
fake_command_complete(opcode);
return;
}
if (opcode == hci_le_set_scan_parameters.opcode){
ll_set_scan_parameters(packet[3], little_endian_read_16(packet, 4), little_endian_read_16(packet, 6), packet[8], packet[9]);
fake_command_complete(opcode);
return;
}
// try with "OK"
printf("CMD opcode %02x not handled yet\n", opcode);
fake_command_complete(opcode);
}
// ACL handler
static void controller_handle_acl_data(uint8_t * packet, uint16_t size){
// TODO
}
static void transport_run(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ static void transport_run(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){
// deliver hci packet on main thread // deliver hci packet on main thread
if (hci_outgoing_event_ready){ if (hci_outgoing_event_ready){
hci_outgoing_event_ready = 0; hci_outgoing_event_ready = 0;
packet_handler(HCI_EVENT_PACKET, hci_outgoing_event, hci_outgoing_event[1]+2); packet_handler(HCI_EVENT_PACKET, hci_outgoing_event, hci_outgoing_event[1]+2);
hci_outgoing_event_free = 1; hci_outgoing_event_free = 1;
return 0;
} }
return 0; if (timer_irq_happened){
// printf("Timer irq occured\n");
// radio_dump_state();
timer_irq_happened = 0;
if (ll_state == LL_STATE_SCANNING){
// next channel to scan
int adv_channel = (random_generator_next() % 3) + 37;
log_debug("Restart scan on channel %u", adv_channel);
radio_receive_on_channel(adv_channel);
}
}
} }
/** /**
@ -412,48 +508,19 @@ static void transport_register_packet_handler(void (*handler)(uint8_t packet_typ
packet_handler = handler; packet_handler = handler;
} }
// /**
// * support async transport layers, e.g. IRQ driven without buffers
// */
// int transport_can_send_packet_now(uint8_t packet_type){
// return 1;
// }
// TODO: implement
void hal_cpu_disable_irqs(void){}
void hal_cpu_enable_irqs(void){}
void hal_cpu_enable_irqs_and_sleep(void){}
// TODO: get time from RTC
uint32_t hal_time_ms(void){
return 999;
}
static void fake_command_complete(uint16_t opcode){
hci_outgoing_event[0] = HCI_EVENT_COMMAND_COMPLETE;
hci_outgoing_event[1] = 4;
hci_outgoing_event[2] = 1;
little_endian_store_16(hci_outgoing_event, 3, opcode);
hci_outgoing_event[5] = 0;
hci_outgoing_event_ready = 1;
}
int transport_send_packet(uint8_t packet_type, uint8_t *packet, int size){ int transport_send_packet(uint8_t packet_type, uint8_t *packet, int size){
// process packet
uint16_t opcode = little_endian_read_16(packet, 0); switch (packet_type){
if (opcode == hci_reset.opcode) { case HCI_COMMAND_DATA_PACKET:
fake_command_complete(opcode); controller_handle_hci_command(packet, size);
return 0; break;
case HCI_ACL_DATA_PACKET:
controller_handle_acl_data(packet, size);
break;
default:
send_hardware_error(0x01); // invalid HCI packet
break;
} }
if (opcode == hci_le_set_scan_enable.opcode){
ll_set_scan_enable(packet[3], packet[4]);
fake_command_complete(opcode);
return 0;
}
// try with "OK"
printf("CMD opcode %02x not handled yet\n", opcode);
fake_command_complete(opcode);
return 0; return 0;
} }
@ -496,8 +563,16 @@ int main(void)
NVIC_ClearPendingIRQ( RADIO_IRQn ); NVIC_ClearPendingIRQ( RADIO_IRQn );
NVIC_EnableIRQ( RADIO_IRQn ); NVIC_EnableIRQ( RADIO_IRQn );
// Bring up BTstack // enable Timer IRQs
NVIC_SetPriority( TIMER0_IRQn, 0 );
NVIC_ClearPendingIRQ( TIMER0_IRQn );
NVIC_EnableIRQ( TIMER0_IRQn );
// HCI Controller Defaults
ll_scan_window_us = 10000;
ll_scan_interval_us = 10000;
// Bring up BTstack
printf("BTstack on Nordic nRF5 SDK\n"); printf("BTstack on Nordic nRF5 SDK\n");
btstack_memory_init(); btstack_memory_init();

18
src/classic/rfcomm.c
View File

@ -1027,20 +1027,10 @@ static int rfcomm_hci_event_handler(uint8_t *packet, uint16_t size){
log_info("L2CAP_EVENT_CHANNEL_CLOSED cid 0x%0x, mult %p", l2cap_cid, multiplexer); log_info("L2CAP_EVENT_CHANNEL_CLOSED cid 0x%0x, mult %p", l2cap_cid, multiplexer);
if (!multiplexer) break; if (!multiplexer) break;
log_info("L2CAP_EVENT_CHANNEL_CLOSED state %u", multiplexer->state); log_info("L2CAP_EVENT_CHANNEL_CLOSED state %u", multiplexer->state);
switch (multiplexer->state) { // no need to call l2cap_disconnect here, as it's already closed
case RFCOMM_MULTIPLEXER_W4_CONNECT: rfcomm_multiplexer_finalize(multiplexer);
case RFCOMM_MULTIPLEXER_SEND_SABM_0: return 1;
case RFCOMM_MULTIPLEXER_W4_SABM_0:
case RFCOMM_MULTIPLEXER_SEND_UA_0:
case RFCOMM_MULTIPLEXER_W4_UA_0:
case RFCOMM_MULTIPLEXER_OPEN:
// don't call l2cap_disconnect as it's alreay closed
rfcomm_multiplexer_finalize(multiplexer);
return 1;
default:
break;
}
break;
default: default:
break; break;
} }