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RNode_Firmware_CE
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Added display, power management and other foundations for bluetooth connectivity.

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master
Mark Qvist 2 years ago
parent 2c826fb3dc
commit b0f49c0cce
4 changed files with 148 additions and 86 deletions
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  1. 43
      Config.h
  2. 4
      Framing.h
  3. 65
      RNode_Firmware.ino
  4. 122
      Utilities.h

43
Config.h
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@ -4,7 +4,7 @@
#define CONFIG_H
#define MAJ_VERS 0x01
#define MIN_VERS 0x1E
#define MIN_VERS 0x28
#define PLATFORM_AVR 0x90
#define PLATFORM_ESP32 0x80
@ -36,6 +36,17 @@
#elif defined(ESP32)
#define PLATFORM PLATFORM_ESP32
#define MCU_VARIANT MCU_ESP32
#define CABLE_STATE_DISCONNECTED 0x00
#define CABLE_STATE_CONNECTED 0x01
uint8_t cable_state = CABLE_STATE_DISCONNECTED;
#define BT_STATE_NA 0xff
#define BT_STATE_OFF 0x00
#define BT_STATE_ON 0x01
#define BT_STATE_PAIRING 0x02
#define BT_STATE_CONNECTED 0x03
uint8_t bt_state = BT_STATE_NA;
#else
#error "The firmware cannot be compiled for the selected MCU variant"
#endif
@ -49,6 +60,10 @@
// MCU dependent configuration parameters
#define HAS_DISPLAY false
#define HAS_BLUETOOTH false
#define HAS_PMU false
#if MCU_VARIANT == MCU_1284P
const int pin_cs = 4;
const int pin_reset = 3;
@ -102,6 +117,7 @@
const int pin_dio = 26;
const int pin_led_rx = 2;
const int pin_led_tx = 4;
#define HAS_PMU true
#elif BOARD_MODEL == BOARD_HUZZAH32
const int pin_cs = 4;
const int pin_reset = 36;
@ -119,6 +135,8 @@
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#elif BOARD_MODEL == BOARD_LORA32_V2_1
const int pin_cs = 18;
const int pin_reset = 23;
@ -130,6 +148,9 @@
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_PMU true
#elif BOARD_MODEL == BOARD_HELTEC32_V2
const int pin_cs = 18;
const int pin_reset = 23;
@ -152,6 +173,8 @@
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#elif BOARD_MODEL == BOARD_RNODE_NG_21
const int pin_cs = 18;
const int pin_reset = 23;
@ -163,10 +186,15 @@
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_PMU true
#else
#error An unsupported board was selected. Cannot compile RNode firmware.
#endif
bool mw_radio_online = false;
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
@ -206,6 +234,8 @@
bool radio_locked = true;
bool radio_online = false;
bool hw_ready = false;
bool disp_ready = false;
bool pmu_ready = false;
bool promisc = false;
bool implicit = false;
uint8_t implicit_l = 0;
@ -214,9 +244,10 @@
uint8_t model = 0x00;
uint8_t hwrev = 0x00;
int current_rssi = -292;
int last_rssi = -292;
uint8_t last_rssi_raw = 0x00;
uint8_t last_snr_raw = 0x00;
uint8_t last_snr_raw = 0x80;
uint8_t seq = 0xFF;
uint16_t read_len = 0;
@ -249,6 +280,14 @@
const uint8_t SIG_SYNCED = 0x02;
const uint8_t RX_ONGOING = 0x04;
// Power management
#define BATTERY_STATE_DISCHARGING 0x01
#define BATTERY_STATE_CHARGING 0x02
#define BATTERY_STATE_CHARGED 0x03
float battery_voltage = 0.0;
float battery_percent = 0.0;
uint8_t battery_state = 0x00;
// Boot flags
#define START_FROM_BOOTLOADER 0x01
#define START_FROM_POWERON 0x02

4
Framing.h
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@ -27,6 +27,10 @@
#define CMD_BLINK 0x30
#define CMD_RANDOM 0x40
#define CMD_FB_EXT 0x41
#define CMD_FB_READ 0x42
#define CMD_FB_WRITE 0x43
#define CMD_BOARD 0x47
#define CMD_PLATFORM 0x48
#define CMD_MCU 0x49

65
RNode_Firmware.ino
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@ -24,8 +24,6 @@
#include <SPI.h>
#include "Utilities.h"
FIFOBuffer serialFIFO;
uint8_t serialBuffer[CONFIG_UART_BUFFER_SIZE+1];
@ -89,9 +87,8 @@ void setup() {
LoRa.setPins(pin_cs, pin_reset, pin_dio);
#if MCU_VARIANT == MCU_ESP32
#if BOARD_MODEL == BOARD_TBEAM
Wire.begin(I2C_SDA, I2C_SCL);
initPMU();
#if HAS_PMU == true
pmu_ready = init_pmu();
#endif
kiss_indicate_reset();
@ -99,6 +96,14 @@ void setup() {
// Validate board health, EEPROM and config
validateStatus();
#if HAS_DISPLAY
disp_ready = display_init();
#endif
#if HAS_BLUETOOTH
bt_ready = bt_init();
#endif
}
void lora_receive() {
@ -448,6 +453,7 @@ void serialCallback(uint8_t sbyte) {
if (frame_len == 0 && command == CMD_UNKNOWN) {
command = sbyte;
} else if (command == CMD_DATA) {
cable_state = CABLE_STATE_CONNECTED;
if (sbyte == FESC) {
ESCAPE = true;
} else {
@ -547,6 +553,7 @@ void serialCallback(uint8_t sbyte) {
set_implicit_length(sbyte);
kiss_indicate_implicit_length();
} else if (command == CMD_RADIO_STATE) {
cable_state = CABLE_STATE_CONNECTED;
if (sbyte == 0xFF) {
kiss_indicate_radiostate();
} else if (sbyte == 0x00) {
@ -571,6 +578,7 @@ void serialCallback(uint8_t sbyte) {
kiss_indicate_random(getRandom());
} else if (command == CMD_DETECT) {
if (sbyte == DETECT_REQ) {
cable_state = CABLE_STATE_CONNECTED;
kiss_indicate_detect();
}
} else if (command == CMD_PROMISC) {
@ -623,6 +631,40 @@ void serialCallback(uint8_t sbyte) {
eeprom_conf_save();
} else if (command == CMD_CONF_DELETE) {
eeprom_conf_delete();
} else if (command == CMD_FB_EXT) {
#if HAS_DISPLAY == true
if (sbyte == 0xFF) {
kiss_indicate_fbstate();
} else if (sbyte == 0x00) {
ext_fb_disable();
kiss_indicate_fbstate();
} else if (sbyte == 0x01) {
ext_fb_enable();
kiss_indicate_fbstate();
}
#endif
} else if (command == CMD_FB_WRITE) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
cbuf[frame_len++] = sbyte;
}
if (frame_len == 9) {
uint8_t line = cbuf[0];
if (line > 63) line = 63;
int fb_o = line*8;
memcpy(fb+fb_o, cbuf+1, 8);
}
} else if (command == CMD_FB_READ) {
if (sbyte != 0x00) {
kiss_indicate_fb();
}
}
}
}
@ -637,6 +679,7 @@ void updateModemStatus() {
#endif
uint8_t status = LoRa.modemStatus();
current_rssi = LoRa.currentRssi();
last_status_update = millis();
#if MCU_VARIANT == MCU_ESP32
@ -783,6 +826,18 @@ void loop() {
#else
if (!fifo_isempty_locked(&serialFIFO)) serial_poll();
#endif
#if HAS_DISPLAY
if (disp_ready) {
update_display();
}
#endif
#if HAS_PMU
if (pmu_ready) {
update_pmu();
}
#endif
}
volatile bool serial_polling = false;

122
Utilities.h
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@ -6,6 +6,18 @@
#include "Framing.h"
#include "MD5.h"
#if HAS_DISPLAY == true
#include "Display.h"
#endif
#if HAS_BLUETOOTH == true
#include "Bluetooth.h"
#endif
#if HAS_PMU == true
#include "Power.h"
#endif
#if MCU_VARIANT == MCU_ESP32
#include "soc/rtc_wdt.h"
#define ISR_VECT IRAM_ATTR
@ -568,6 +580,37 @@ void kiss_indicate_random(uint8_t byte) {
Serial.write(FEND);
}
void kiss_indicate_fbstate() {
Serial.write(FEND);
Serial.write(CMD_FB_EXT);
#if HAS_DISPLAY
if (disp_ext_fb) {
Serial.write(0x01);
} else {
Serial.write(0x00);
}
#else
Serial.write(0xFF)
#endif
Serial.write(FEND);
}
void kiss_indicate_fb() {
Serial.write(FEND);
Serial.write(CMD_FB_READ);
#if HAS_DISPLAY
for (int i = 0; i < 512; i++) {
uint8_t byte = fb[i];
if (byte == FEND) { Serial.write(FESC); byte = TFEND; }
if (byte == FESC) { Serial.write(FESC); byte = TFESC; }
Serial.write(byte);
}
#else
Serial.write(0xFF)
#endif
Serial.write(FEND);
}
void kiss_indicate_ready() {
Serial.write(FEND);
Serial.write(CMD_READY);
@ -1087,82 +1130,3 @@ inline void fifo16_init(FIFOBuffer16 *f, uint16_t *buffer, uint16_t size) {
inline uint16_t fifo16_len(FIFOBuffer16 *f) {
return (f->end - f->begin);
}
#if BOARD_MODEL == BOARD_TBEAM
#include <axp20x.h>
AXP20X_Class PMU;
bool initPMU()
{
if (PMU.begin(Wire, AXP192_SLAVE_ADDRESS) == AXP_FAIL) {
return false;
}
/*
* The charging indicator can be turned on or off
* * * */
PMU.setChgLEDMode(AXP20X_LED_OFF);
/*
* The default ESP32 power supply has been turned on,
* no need to set, please do not set it, if it is turned off,
* it will not be able to program
*
* PMU.setDCDC3Voltage(3300);
* PMU.setPowerOutPut(AXP192_DCDC3, AXP202_ON);
*
* * * */
/*
* Turn off unused power sources to save power
* **/
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
PMU.setPowerOutPut(AXP192_DCDC2, AXP202_OFF);
PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
PMU.setPowerOutPut(AXP192_EXTEN, AXP202_OFF);
/*
* Set the power of LoRa and GPS module to 3.3V
**/
PMU.setLDO2Voltage(3300); //LoRa VDD
PMU.setLDO3Voltage(3300); //GPS VDD
PMU.setDCDC1Voltage(3300); //3.3V Pin next to 21 and 22 is controlled by DCDC1
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
// Turn on SX1276
PMU.setPowerOutPut(AXP192_LDO2, AXP202_ON);
// Turn off GPS
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
pinMode(PMU_IRQ, INPUT_PULLUP);
attachInterrupt(PMU_IRQ, [] {
// pmu_irq = true;
}, FALLING);
PMU.adc1Enable(AXP202_VBUS_VOL_ADC1 |
AXP202_VBUS_CUR_ADC1 |
AXP202_BATT_CUR_ADC1 |
AXP202_BATT_VOL_ADC1,
AXP202_ON);
PMU.enableIRQ(AXP202_VBUS_REMOVED_IRQ |
AXP202_VBUS_CONNECT_IRQ |
AXP202_BATT_REMOVED_IRQ |
AXP202_BATT_CONNECT_IRQ,
AXP202_ON);
PMU.clearIRQ();
return true;
}
void disablePeripherals()
{
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
}
#endif

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