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Added RAK4631 e-ink display support

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jacob.eva 2024-05-20 20:14:16 +01:00
parent f3558b66fc
commit 055083ffba
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GPG Key ID: 0B92E083BBCCAA1E
6 changed files with 2183 additions and 328 deletions
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17
Bluetooth.h
View File

@ -13,12 +13,6 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#if MCU_VARIANT == MCU_ESP32
#elif MCU_VARIANT == MCU_NRF52
#endif
#if MCU_VARIANT == MCU_ESP32
#if HAS_BLUETOOTH == true
#include "BluetoothSerial.h"
@ -265,6 +259,8 @@ void bt_disable_pairing() {
void bt_pairing_complete(uint16_t conn_handle, uint8_t auth_status) {
if (auth_status == BLE_GAP_SEC_STATUS_SUCCESS) {
bt_state = BT_STATE_CONNECTED;
cable_state = CABLE_STATE_DISCONNECTED;
bt_disable_pairing();
} else {
bt_ssp_pin = 0;
@ -285,11 +281,6 @@ bool bt_passkey_callback(uint16_t conn_handle, uint8_t const passkey[6], bool ma
return false;
}
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;
}
@ -308,10 +299,9 @@ bool bt_setup_hw() {
Bluefruit.configPrphBandwidth(BANDWIDTH_MAX);
Bluefruit.autoConnLed(false);
if (Bluefruit.begin()) {
Bluefruit.setTxPower(4); // Check bluefruit.h for supported values
Bluefruit.setTxPower(8); // Check bluefruit.h for supported values
Bluefruit.Security.setIOCaps(true, true, false);
Bluefruit.Security.setPairPasskeyCallback(bt_passkey_callback);
Bluefruit.Periph.setConnectCallback(bt_connect_callback);
Bluefruit.Periph.setDisconnectCallback(bt_disconnect_callback);
Bluefruit.Security.setPairCompleteCallback(bt_pairing_complete);
const ble_gap_addr_t gap_addr = Bluefruit.getAddr();
@ -348,7 +338,6 @@ void bt_start() {
blebas.begin();
// non-connectable advertising
Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
Bluefruit.Advertising.addTxPower();

24
Boards.h
View File

@ -43,6 +43,10 @@
#define BOARD_GENERIC_NRF52 0x50
#define BOARD_RAK4631 0x51
#define OLED 0x01
#define EINK_BW 0x02
#define EINK_3C 0x03
#if defined(__AVR_ATmega1284P__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_1284P
@ -147,6 +151,7 @@
#elif BOARD_MODEL == BOARD_TBEAM
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_PMU true
#define HAS_BLUETOOTH true
#define HAS_BLE true
@ -184,6 +189,7 @@
#elif BOARD_MODEL == BOARD_LORA32_V1_0
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_BLE true
#define HAS_CONSOLE true
@ -201,6 +207,7 @@
#elif BOARD_MODEL == BOARD_LORA32_V2_0
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_BLE true
#define HAS_CONSOLE true
@ -218,6 +225,7 @@
#elif BOARD_MODEL == BOARD_LORA32_V2_1
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_BLE true
#define HAS_PMU true
@ -239,6 +247,7 @@
#elif BOARD_MODEL == BOARD_HELTEC32_V2
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
@ -292,6 +301,7 @@
#elif BOARD_MODEL == BOARD_RNODE_NG_20
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_NP true
#define HAS_CONSOLE true
@ -312,6 +322,7 @@
#elif BOARD_MODEL == BOARD_RNODE_NG_21
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_PMU true
@ -346,6 +357,7 @@
#define HAS_TCXO true
#define HAS_DISPLAY true
#define DISPLAY OLED
#define HAS_CONSOLE false
#define HAS_BLUETOOTH false
#define HAS_BLE true
@ -397,11 +409,12 @@
#elif MCU_VARIANT == MCU_NRF52
#if BOARD_MODEL == BOARD_RAK4631
#define HAS_EEPROM false
#define HAS_DISPLAY false
#define HAS_DISPLAY true
#define DISPLAY EINK_3C
#define HAS_BLUETOOTH false
#define HAS_BLE true
#define HAS_CONSOLE false
#define HAS_PMU false
#define HAS_PMU true
#define HAS_NP false
#define HAS_SD false
#define HAS_TCXO true
@ -425,6 +438,13 @@
const int pin_miso = 45;
const int pin_busy = 46;
const int pin_dio = 47;
const int pin_disp_cs = SS;
const int pin_disp_dc = WB_IO1;
const int pin_disp_reset = -1;
const int pin_disp_busy = WB_IO4;
const int pin_disp_en = WB_IO2;
const int pin_led_rx = LED_BLUE;
const int pin_led_tx = LED_GREEN;
const int pin_tcxo_enable = -1;

689
Display.h
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File diff suppressed because it is too large Load Diff

1676
Graphics.h
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File diff suppressed because it is too large Load Diff

95
Power.h
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@ -44,6 +44,26 @@
int bat_charged_samples = 0;
bool bat_voltage_dropping = false;
float bat_delay_v = 0;
#elif BOARD_MODEL == BOARD_RAK4631
#include "nrfx_power.h"
#define BAT_C_SAMPLES 7
#define BAT_D_SAMPLES 2
#define BAT_V_MIN 2.75
#define BAT_V_MAX 4.2
#define BAT_V_FLOAT 4.22
#define BAT_SAMPLES 5
#define VBAT_MV_PER_LSB (0.73242188F) // 3.0V ADC range and 12 - bit ADC resolution = 3000mV / 4096
#define VBAT_DIVIDER_COMP (1.73) // Compensation factor for the VBAT divider
#define VBAT_MV_PER_LSB_FIN (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
#define PIN_VBAT WB_A0
float bat_p_samples[BAT_SAMPLES];
float bat_v_samples[BAT_SAMPLES];
uint8_t bat_samples_count = 0;
int bat_discharging_samples = 0;
int bat_charging_samples = 0;
int bat_charged_samples = 0;
bool bat_voltage_dropping = false;
float bat_delay_v = 0;
#endif
uint32_t last_pmu_update = 0;
@ -193,6 +213,66 @@ void measure_battery() {
else {
battery_ready = false;
}
#elif BOARD_MODEL == BOARD_RAK4631
battery_installed = true;
battery_indeterminate = false;
bat_v_samples[bat_samples_count%BAT_SAMPLES] = (float)(analogRead(PIN_VBAT)) * VBAT_MV_PER_LSB_FIN;
if (bat_v_samples[bat_samples_count%BAT_SAMPLES] < 3300) {
bat_p_samples[bat_samples_count%BAT_SAMPLES] = 0;
}
else if (bat_v_samples[bat_samples_count%BAT_SAMPLES] < 3600)
{
bat_v_samples[bat_samples_count%BAT_SAMPLES] -= 3300;
bat_p_samples[bat_samples_count%BAT_SAMPLES] = bat_v_samples[bat_samples_count%BAT_SAMPLES] / 30;
} else {
bat_v_samples[bat_samples_count%BAT_SAMPLES] -= 3600;
}
bat_p_samples[bat_samples_count%BAT_SAMPLES] = 10 + (bat_v_samples[bat_samples_count%BAT_SAMPLES] * 0.15F);
bat_samples_count++;
if (!battery_ready && bat_samples_count >= BAT_SAMPLES) {
battery_ready = true;
}
battery_percent = 0;
for (uint8_t bi = 0; bi < BAT_SAMPLES; bi++) {
battery_percent += bat_p_samples[bi];
}
battery_percent = battery_percent/BAT_SAMPLES;
battery_voltage = 0;
for (uint8_t bi = 0; bi < BAT_SAMPLES; bi++) {
battery_voltage += bat_v_samples[bi];
}
battery_voltage = battery_voltage/BAT_SAMPLES;
if (bat_delay_v == 0) bat_delay_v = battery_voltage;
if (battery_percent > 100.0) battery_percent = 100.0;
if (battery_percent < 0.0) battery_percent = 0.0;
if (bat_samples_count%BAT_SAMPLES == 0) {
if (battery_voltage < bat_delay_v && battery_voltage < BAT_V_FLOAT) {
bat_voltage_dropping = true;
} else {
bat_voltage_dropping = false;
}
bat_samples_count = 0;
}
nrfx_power_usb_state_t usbstate = nrfx_power_usbstatus_get();
if (usbstate == NRFX_POWER_USB_STATE_CONNECTED || usbstate == NRFX_POWER_USB_STATE_READY) {
// charging
battery_state = BATTERY_STATE_CHARGING;
} else {
battery_state = BATTERY_STATE_DISCHARGING;
}
if (battery_percent >= 98) {
battery_state = BATTERY_STATE_CHARGED;
}
#endif
if (battery_ready) {
@ -340,6 +420,21 @@ bool init_pmu() {
// Set the time of pressing the button to turn off
PMU->setPowerKeyPressOffTime(XPOWERS_POWEROFF_4S);
return true;
#elif BOARD_MODEL == BOARD_RAK4631
// board doesn't have PMU but we can measure batt voltage
// prep ADC for reading battery level
analogReference(AR_INTERNAL_3_0);
// Set the resolution to 12-bit (0..4095)
analogReadResolution(12);
// Let the ADC settle
delay(1);
// Get a single ADC sample and throw it away
float raw = analogRead(PIN_VBAT);
return true;
#else
return false;

10
RNode_Firmware_CE.ino
View File

@ -166,6 +166,11 @@ void setup() {
eeprom_update(eeprom_addr(ADDR_CONF_DSET), CONF_OK_BYTE);
eeprom_update(eeprom_addr(ADDR_CONF_DINT), 0xFF);
}
#if DISPLAY == EINK_BW || DISPLAY == EINK_3C
// Poll and process incoming serial commands whilst e-ink display is
// refreshing to make device still seem responsive
display_add_callback(process_serial);
#endif
disp_ready = display_init();
update_display();
#endif
@ -1310,6 +1315,11 @@ void loop() {
#endif
}
void process_serial() {
buffer_serial();
if (!fifo_isempty(&serialFIFO)) serial_poll();
}
void sleep_now() {
#if HAS_SLEEP == true
#if BOARD_MODEL == BOARD_RNODE_NG_22