flipperzero-firmware/firmware/targets/f7/furi-hal/furi-hal-bt.c

170 lines
4.1 KiB
C
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#include <furi-hal-bt.h>
#include <app_entry.h>
#include <ble.h>
#include <stm32wbxx.h>
#include <shci.h>
#include <cmsis_os2.h>
#include <gap.h>
void furi_hal_bt_init() {
// Explicitly tell that we are in charge of CLK48 domain
HAL_HSEM_FastTake(CFG_HW_CLK48_CONFIG_SEMID);
// Start Core2, init HCI and start GAP/GATT
APPE_Init();
}
bool furi_hal_bt_init_app() {
return gap_init();
}
void furi_hal_bt_start_advertising() {
if(gap_get_state() == GapStateIdle) {
gap_start_advertising();
}
}
void furi_hal_bt_stop_advertising() {
if(furi_hal_bt_is_active()) {
gap_stop_advertising();
while(furi_hal_bt_is_active()) {
osDelay(1);
}
}
}
void furi_hal_bt_dump_state(string_t buffer) {
BleGlueStatus status = APPE_Status();
if (status == BleGlueStatusStarted) {
uint8_t HCI_Version;
uint16_t HCI_Revision;
uint8_t LMP_PAL_Version;
uint16_t Manufacturer_Name;
uint16_t LMP_PAL_Subversion;
tBleStatus ret = hci_read_local_version_information(
&HCI_Version, &HCI_Revision, &LMP_PAL_Version, &Manufacturer_Name, &LMP_PAL_Subversion
);
string_cat_printf(buffer,
"Ret: %d, HCI_Version: %d, HCI_Revision: %d, LMP_PAL_Version: %d, Manufacturer_Name: %d, LMP_PAL_Subversion: %d",
ret, HCI_Version, HCI_Revision, LMP_PAL_Version, Manufacturer_Name, LMP_PAL_Subversion
);
} else {
string_cat_printf(buffer, "BLE not ready");
}
}
bool furi_hal_bt_is_alive() {
BleGlueStatus status = APPE_Status();
return (status == BleGlueStatusBroken) || (status == BleGlueStatusStarted);
}
bool furi_hal_bt_is_active() {
return gap_get_state() > GapStateIdle;
}
bool furi_hal_bt_wait_startup() {
uint16_t counter = 0;
while (!(APPE_Status() == BleGlueStatusStarted || APPE_Status() == BleGlueStatusBroken)) {
osDelay(10);
counter++;
if (counter > 1000) {
return false;
}
}
return true;
}
bool furi_hal_bt_lock_flash(bool erase_flag) {
if (!furi_hal_bt_wait_startup()) {
return false;
}
while (HAL_HSEM_FastTake(CFG_HW_FLASH_SEMID) != HAL_OK) {
osDelay(1);
}
HAL_FLASH_Unlock();
if(erase_flag) SHCI_C2_FLASH_EraseActivity(ERASE_ACTIVITY_ON);
while(LL_FLASH_IsActiveFlag_OperationSuspended()) {
osDelay(1);
};
__disable_irq();
return true;
}
void furi_hal_bt_unlock_flash(bool erase_flag) {
__enable_irq();
if(erase_flag) SHCI_C2_FLASH_EraseActivity(ERASE_ACTIVITY_OFF);
HAL_FLASH_Lock();
HAL_HSEM_Release(CFG_HW_FLASH_SEMID, HSEM_CPU1_COREID);
}
void furi_hal_bt_start_tone_tx(uint8_t channel, uint8_t power) {
aci_hal_set_tx_power_level(0, power);
aci_hal_tone_start(channel, 0);
}
void furi_hal_bt_stop_tone_tx() {
aci_hal_tone_stop();
}
void furi_hal_bt_start_packet_tx(uint8_t channel, uint8_t pattern, uint8_t datarate) {
hci_le_enhanced_transmitter_test(channel, 0x25, pattern, datarate);
}
void furi_hal_bt_start_packet_rx(uint8_t channel, uint8_t datarate) {
hci_le_enhanced_receiver_test(channel, datarate, 0);
}
uint16_t furi_hal_bt_stop_packet_test() {
uint16_t num_of_packets = 0;
hci_le_test_end(&num_of_packets);
return num_of_packets;
}
void furi_hal_bt_start_rx(uint8_t channel) {
aci_hal_rx_start(channel);
}
float furi_hal_bt_get_rssi() {
float val;
uint8_t rssi_raw[3];
if (aci_hal_read_raw_rssi(rssi_raw) != BLE_STATUS_SUCCESS) {
return 0.0f;
}
// Some ST magic with rssi
uint8_t agc = rssi_raw[2] & 0xFF;
int rssi = (((int)rssi_raw[1] << 8) & 0xFF00) + (rssi_raw[0] & 0xFF);
if(rssi == 0 || agc > 11) {
val = -127.0;
} else {
val = agc * 6.0f - 127.0f;
while(rssi > 30) {
val += 6.0;
rssi >>=1;
}
val += (417 * rssi + 18080) >> 10;
}
return val;
}
uint32_t furi_hal_bt_get_transmitted_packets() {
uint32_t packets = 0;
aci_hal_le_tx_test_packet_number(&packets);
return packets;
}
void furi_hal_bt_stop_rx() {
aci_hal_rx_stop();
}