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Base structure for BLE support on ESP32-S3 boards

This commit is contained in:
Mark Qvist 2024-04-23 00:52:57 +02:00
parent 395e52fd9b
commit 31540410cf
5 changed files with 233 additions and 150 deletions
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118
Bluetooth.h
View File

@ -14,21 +14,30 @@
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#if MCU_VARIANT == MCU_ESP32
#include "BluetoothSerial.h"
#include "esp_bt_main.h"
#include "esp_bt_device.h"
#elif MCU_VARIANT == MCU_NRF52
#include <bluefruit.h>
#include <math.h>
#endif
#if MCU_VARIANT == MCU_ESP32
BluetoothSerial SerialBT;
#if HAS_BLUETOOTH == true
#include "BluetoothSerial.h"
#include "esp_bt_main.h"
#include "esp_bt_device.h"
BluetoothSerial SerialBT;
#elif HAS_BLE == true
#include "esp_bt_main.h"
#include "esp_bt_device.h"
// TODO: Remove
#define SerialBT Serial
#endif
#elif MCU_VARIANT == MCU_NRF52
BLEUart SerialBT;
BLEDis bledis;
BLEBas blebas;
#include <bluefruit.h>
#include <math.h>
BLEUart SerialBT;
BLEDis bledis;
BLEBas blebas;
#endif
#define BT_PAIRING_TIMEOUT 35000
@ -42,6 +51,7 @@ char bt_dh[BT_DEV_HASH_LEN];
char bt_devname[11];
#if MCU_VARIANT == MCU_ESP32
#if HAS_BLUETOOTH == true
void bt_confirm_pairing(uint32_t numVal) {
bt_ssp_pin = numVal;
@ -151,6 +161,92 @@ char bt_devname[11];
}
}
#elif HAS_BLE == true
void bt_stop() {
if (bt_state != BT_STATE_OFF) {
bt_allow_pairing = false;
bt_state = BT_STATE_OFF;
}
}
void bt_disable_pairing() {
bt_allow_pairing = false;
bt_ssp_pin = 0;
bt_state = BT_STATE_ON;
}
void bt_connect_callback(uint16_t conn_handle) {
bt_state = BT_STATE_CONNECTED;
cable_state = CABLE_STATE_DISCONNECTED;
}
void bt_disconnect_callback(uint16_t conn_handle, uint8_t reason) {
bt_state = BT_STATE_ON;
}
bool bt_setup_hw() {
if (!bt_ready) {
if (EEPROM.read(eeprom_addr(ADDR_CONF_BT)) == BT_ENABLE_BYTE) {
bt_enabled = true;
} else {
bt_enabled = false;
}
if (btStart()) {
if (esp_bluedroid_init() == ESP_OK) {
if (esp_bluedroid_enable() == ESP_OK) {
const uint8_t* bda_ptr = esp_bt_dev_get_address();
char *data = (char*)malloc(BT_DEV_ADDR_LEN+1);
for (int i = 0; i < BT_DEV_ADDR_LEN; i++) {
data[i] = bda_ptr[i];
}
data[BT_DEV_ADDR_LEN] = EEPROM.read(eeprom_addr(ADDR_SIGNATURE));
unsigned char *hash = MD5::make_hash(data, BT_DEV_ADDR_LEN);
memcpy(bt_dh, hash, BT_DEV_HASH_LEN);
sprintf(bt_devname, "RNode %02X%02X", bt_dh[14], bt_dh[15]);
free(data);
// TODO: Implement GAP & GATT for RNode comms over BLE
bt_ready = true;
return true;
} else { return false; }
} else { return false; }
} else { return false; }
} else { return false; }
}
void bt_start() {
if (bt_state == BT_STATE_OFF) {
bt_state = BT_STATE_ON;
// TODO: Implement
}
}
bool bt_init() {
bt_state = BT_STATE_OFF;
if (bt_setup_hw()) {
if (bt_enabled && !console_active) bt_start();
return true;
} else {
return false;
}
}
void bt_enable_pairing() {
if (bt_state == BT_STATE_OFF) bt_start();
bt_allow_pairing = true;
bt_pairing_started = millis();
bt_state = BT_STATE_PAIRING;
}
void update_bt() {
if (bt_allow_pairing && millis()-bt_pairing_started >= BT_PAIRING_TIMEOUT) {
bt_disable_pairing();
}
}
#endif
#elif MCU_VARIANT == MCU_NRF52
uint8_t eeprom_read(uint32_t mapped_addr);
@ -244,8 +340,8 @@ bool bt_setup_hw() {
void bt_start() {
if (bt_state == BT_STATE_OFF) {
Bluefruit.setName(bt_devname);
bledis.setManufacturer("Adafruit Industries");
bledis.setModel("Bluefruit Feather52");
bledis.setManufacturer(BLE_MANUFACTURER);
bledis.setModel(BLE_MODEL);
// start device information service
bledis.begin();

20
Boards.h
View File

@ -252,14 +252,11 @@
#elif BOARD_MODEL == BOARD_HELTEC32_V3
#define IS_ESP32S3 true
#define HAS_DISPLAY true
//ESP32-S3 no bluetooth classic
#define HAS_BLUETOOTH false
// TODO BLE
#define HAS_BLE false
#define HAS_BLE true
// Cannot run wifi and BLE at same time?
#define HAS_CONSOLE false
#define HAS_EEPROM true
// Only one LED on pin 35
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 13;
const int pin_led_tx = 14;
@ -283,8 +280,6 @@
const int pin_miso = 11;
const int pin_sclk = 9;
#elif BOARD_MODEL == BOARD_RNODE_NG_20
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
@ -341,9 +336,9 @@
#define HAS_TCXO true
#define HAS_DISPLAY true
#define HAS_CONSOLE false
#define HAS_BLUETOOTH false
#define HAS_BLE true
#define HAS_BLUETOOTH false // TODO: Implement
#define HAS_CONSOLE false // TODO: Implement
#define HAS_PMU true
#define HAS_NP false
#define HAS_SD false
@ -384,8 +379,9 @@
#elif MCU_VARIANT == MCU_NRF52
#if BOARD_MODEL == BOARD_RAK4630
#define HAS_EEPROM false
#define HAS_DISPLAY false // set for debugging
#define HAS_BLUETOOTH true
#define HAS_DISPLAY true
#define HAS_BLUETOOTH false
#define HAS_BLE true
#define HAS_CONSOLE false
#define HAS_PMU false
#define HAS_NP false
@ -398,8 +394,10 @@
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 200
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#define BLE_MANUFACTURER "RAK Wireless"
#define BLE_MODEL "RAK4640"
// following pins are for the sx1262
// Following pins are for the sx1262
const int pin_rxen = 37;
const int pin_reset = 38;
const int pin_cs = 42;

2
Device.h
View File

@ -154,7 +154,7 @@ bool device_init() {
mbedtls_md_init(&ctx);
mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(md_type), 0);
mbedtls_md_starts(&ctx);
#if HAS_BLUETOOTH == true
#if HAS_BLUETOOTH == true || HAS_BLE == true
mbedtls_md_update(&ctx, dev_bt_mac, BT_DEV_ADDR_LEN);
#else
// TODO: Get from BLE stack instead

23
RNode_Firmware.ino
View File

@ -33,7 +33,7 @@ volatile uint16_t queued_bytes = 0;
volatile uint16_t queue_cursor = 0;
volatile uint16_t current_packet_start = 0;
volatile bool serial_buffering = false;
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
bool bt_init_ran = false;
#endif
@ -160,12 +160,9 @@ void setup() {
pmu_ready = init_pmu();
#endif
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
bt_init();
bt_init_ran = true;
#elif HAS_BLE
// TODO: Implement BLE on ESP32S3 instead of this hack
bt_ready = true;
#endif
if (console_active) {
@ -910,7 +907,7 @@ void serialCallback(uint8_t sbyte) {
}
#endif
} else if (command == CMD_BT_CTRL) {
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE
if (sbyte == 0x00) {
bt_stop();
bt_conf_save(false);
@ -1111,15 +1108,7 @@ void validate_status() {
if (device_init()) {
hw_ready = true;
} else {
#if !HAS_BLUETOOTH && !HAS_BLE
// Without bluetooth, bt_ready and device_init_done
// are not set
// and neither is hw_ready (see device_init())
hw_ready = true;
device_init_done = true;
#else
hw_ready = false;
#endif
}
#else
hw_ready = true;
@ -1297,7 +1286,7 @@ void loop() {
if (pmu_ready) update_pmu();
#endif
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
if (!console_active && bt_ready) update_bt();
#endif
}
@ -1329,7 +1318,7 @@ void buffer_serial() {
uint8_t c = 0;
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
while (
c < MAX_CYCLES &&
( (bt_state != BT_STATE_CONNECTED && Serial.available()) || (bt_state == BT_STATE_CONNECTED && SerialBT.available()) )
@ -1344,7 +1333,7 @@ void buffer_serial() {
if (!fifo_isfull_locked(&serialFIFO)) {
fifo_push_locked(&serialFIFO, Serial.read());
}
#elif HAS_BLUETOOTH
#elif HAS_BLUETOOTH || HAS_BLE == true
if (bt_state == BT_STATE_CONNECTED) {
if (!fifo_isfull(&serialFIFO)) {
fifo_push(&serialFIFO, SerialBT.read());

6
Utilities.h
View File

@ -47,7 +47,7 @@ sx128x *LoRa = &sx128x_modem;
#include "Display.h"
#endif
#if HAS_BLUETOOTH == true
#if HAS_BLUETOOTH == true || HAS_BLE == true
void kiss_indicate_btpin();
#include "Bluetooth.h"
#endif
@ -629,7 +629,7 @@ int8_t led_standby_direction = 0;
#endif
void serial_write(uint8_t byte) {
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
if (bt_state != BT_STATE_CONNECTED) {
Serial.write(byte);
} else {
@ -829,7 +829,7 @@ void kiss_indicate_battery() {
}
void kiss_indicate_btpin() {
#if HAS_BLUETOOTH
#if HAS_BLUETOOTH || HAS_BLE == true
serial_write(FEND);
serial_write(CMD_BT_PIN);
escaped_serial_write(bt_ssp_pin>>24);