After modifying all pio settings to allow for Ublox GPS alternative, defaults to L76k; TODO code to implement Ublox

This commit is contained in:
John Poole 2026-04-03 14:35:33 -07:00
commit b5ff96d6a9
11 changed files with 700 additions and 14 deletions

134
docs/pio.md Normal file
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@ -0,0 +1,134 @@
# pio
pio stands for "PlatformIO".
In your context (ESP32 / T-Beam / PlatformIO workflows), **“pio” stands for:**
> **PlatformIO**
More precisely, `pio` is the **command-line interface (CLI)** for the PlatformIO environment.
---
## What PlatformIO is (practically speaking)
PlatformIO is an embedded development framework that wraps:
* toolchains (GCC for ESP32, ARM, etc.)
* build system
* library manager
* uploader (esptool, etc.)
* serial monitor
So instead of juggling:
```bash
xtensa-esp32-elf-gcc
esptool.py
arduino-cli
```
…you use:
```bash
pio run
pio run -t upload
pio device monitor
```
---
## What `pio` actually does in your workflow
Given your T-Beam usage (as shown in the LilyGO docs, which explicitly include PlatformIO as a supported environment ), `pio` is orchestrating:
### Build
```bash
pio run
```
* compiles your firmware using the environment in `platformio.ini`
### Upload
```bash
pio run -t upload
```
* invokes the correct uploader (ESP32 → `esptool`)
* uses the selected `/dev/tty*` device
### Monitor
```bash
pio device monitor
```
* serial console at configured baud
---
## Why it exists (the “systems view”)
PlatformIO abstracts away:
* board definitions
* pin mappings
* compiler flags
* library dependencies
In your `platformio.ini`, for example:
```ini
[env:node_a]
platform = espressif32
board = esp32-s3-devkitc-1
```
That single block drives:
* toolchain selection
* linker scripts
* upload protocol
* memory layout
---
## Important nuance (since youre working low-level)
`pio` is **not**:
* a compiler
* a flasher
* an IDE
It is a **build orchestration layer** (think “make + package manager + uploader + board database”).
---
## Quick mental model
If we translate to Unix analogies:
| Concept | Analogy |
| ------------------- | -------------------------------------------- |
| PlatformIO | `portage + make + gcc + flash tool` combined |
| `pio run` | `make` |
| `pio run -t upload` | `make install` (but to hardware) |
| `platformio.ini` | hybrid of `Makefile` + config |
---
## Bottom line
When you type:
```bash
pio run -t upload
```
You are saying:
> “Use PlatformIO to build this firmware for the specified environment and flash it to the target device.”

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@ -29,6 +29,7 @@ build_flags =
-D GPS_1PPS_PIN=6 -D GPS_1PPS_PIN=6
-D ARDUINO_USB_MODE=1 -D ARDUINO_USB_MODE=1
-D ARDUINO_USB_CDC_ON_BOOT=1 -D ARDUINO_USB_CDC_ON_BOOT=1
-D GPS_L76K
[env:node_a] [env:node_a]
build_flags = build_flags =

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@ -53,7 +53,7 @@ static size_t g_gpsLineLen = 0;
enum class GpsModuleKind : uint8_t { enum class GpsModuleKind : uint8_t {
UNKNOWN = 0, UNKNOWN = 0,
L76K, L76K,
QUECTEL_TODO UBLOX
}; };
struct RtcDateTime { struct RtcDateTime {
@ -169,8 +169,8 @@ static String gpsModuleToString(GpsModuleKind kind) {
if (kind == GpsModuleKind::L76K) { if (kind == GpsModuleKind::L76K) {
return "L76K"; return "L76K";
} }
if (kind == GpsModuleKind::QUECTEL_TODO) { if (kind == GpsModuleKind::UBLOX) {
return "Quectel/TODO"; return "UBLOX";
} }
return "Unknown"; return "Unknown";
} }
@ -198,7 +198,7 @@ static void detectModuleFromText(const char* text) {
if (t.indexOf("QUECTEL") >= 0 || t.indexOf("2021-10-20") >= 0 || t.indexOf("2021/10/20") >= 0) { if (t.indexOf("QUECTEL") >= 0 || t.indexOf("2021-10-20") >= 0 || t.indexOf("2021/10/20") >= 0) {
if (g_gps.module != GpsModuleKind::L76K) { if (g_gps.module != GpsModuleKind::L76K) {
g_gps.module = GpsModuleKind::QUECTEL_TODO; g_gps.module = GpsModuleKind::UBLOX;
} }
} }
} }
@ -386,8 +386,8 @@ static uint8_t bestSatelliteCount() {
return (g_gps.satsUsed > g_gps.satsInView) ? g_gps.satsUsed : g_gps.satsInView; return (g_gps.satsUsed > g_gps.satsInView) ? g_gps.satsUsed : g_gps.satsInView;
} }
static bool isUnsupportedQuectelMode() { static bool isUnsupportedGpsMode() {
return g_gps.module == GpsModuleKind::QUECTEL_TODO; return g_gps.module == GpsModuleKind::UBLOX;
} }
static void reportStatusToSerial() { static void reportStatusToSerial() {
@ -402,7 +402,7 @@ static void reportStatusToSerial() {
} }
static void maybeAnnounceGpsTransitions() { static void maybeAnnounceGpsTransitions() {
if (isUnsupportedQuectelMode()) { if (isUnsupportedGpsMode()) {
return; return;
} }
@ -432,7 +432,7 @@ static void maybeAnnounceGpsTransitions() {
(unsigned)g_gps.utcMinute, (unsigned)g_gps.utcMinute,
(unsigned)g_gps.utcSecond); (unsigned)g_gps.utcSecond);
snprintf(line3, sizeof(line3), "Satellites: %u", (unsigned)sats); snprintf(line3, sizeof(line3), "Satellites: %u", (unsigned)sats);
oledShowLines("GPS UTC acquired", line2, line3, "Source: L76K"); oledShowLines("GPS UTC acquired", line2, line3, ("Source: " + gpsModuleToString(g_gps.module)).c_str());
logf("Transition: GPS UTC acquired: %s", line2); logf("Transition: GPS UTC acquired: %s", line2);
g_timeAcquiredAnnounced = true; g_timeAcquiredAnnounced = true;
} }
@ -442,9 +442,9 @@ static void maybeAnnounceGpsTransitions() {
} }
static void drawMinuteStatus() { static void drawMinuteStatus() {
if (isUnsupportedQuectelMode()) { if (isUnsupportedGpsMode()) {
oledShowLines("GPS module mismatch", "Quectel detected", "L76K required", "TODO: implement", "Quectel support"); oledShowLines("GPS module mismatch", "UBLOX detected", "L76K required", "TODO: implement", "UBLOX support");
logf("GPS module mismatch: Quectel detected but this exercise currently supports only L76K (TODO)"); logf("GPS module mismatch: UBLOX detected but this exercise currently supports only L76K (TODO)");
return; return;
} }
@ -462,7 +462,7 @@ static void drawMinuteStatus() {
(unsigned)g_gps.utcMinute, (unsigned)g_gps.utcMinute,
(unsigned)g_gps.utcSecond); (unsigned)g_gps.utcSecond);
snprintf(line3, sizeof(line3), "Satellites: %u", (unsigned)sats); snprintf(line3, sizeof(line3), "Satellites: %u", (unsigned)sats);
oledShowLines("GPS time (UTC)", line2, line3, "Source: L76K"); oledShowLines("GPS time (UTC)", line2, line3, ("Source: " + gpsModuleToString(g_gps.module)).c_str());
logf("GPS time (UTC): %s satellites=%u", line2, (unsigned)sats); logf("GPS time (UTC): %s satellites=%u", line2, (unsigned)sats);
return; return;
} }

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@ -28,6 +28,7 @@ build_flags =
-D GPS_1PPS_PIN=6 -D GPS_1PPS_PIN=6
-D ARDUINO_USB_MODE=1 -D ARDUINO_USB_MODE=1
-D ARDUINO_USB_CDC_ON_BOOT=1 -D ARDUINO_USB_CDC_ON_BOOT=1
-D GPS_L76K
[env:node_a] [env:node_a]
build_flags = build_flags =

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@ -28,6 +28,7 @@ build_flags =
-D GPS_TX_PIN=8 -D GPS_TX_PIN=8
-D GPS_WAKEUP_PIN=7 -D GPS_WAKEUP_PIN=7
-D GPS_1PPS_PIN=6 -D GPS_1PPS_PIN=6
-D GPS_L76K
-D ARDUINO_USB_MODE=1 -D ARDUINO_USB_MODE=1
-D ARDUINO_USB_CDC_ON_BOOT=1 -D ARDUINO_USB_CDC_ON_BOOT=1

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@ -0,0 +1,11 @@
main.cpp needs to be modified to reflect the number of units. It is a zero-based array, so for 7 possible unite, the value of 6 is used in both lines below:
#if (NODE_SLOT_INDEX < 0) || (NODE_SLOT_INDEX > 6)
#error "NODE_SLOT_INDEX must be 0..6"
#endif
INSERT SCREENSHOT HERE.

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@ -27,6 +27,7 @@ build_flags =
-D GPS_TX_PIN=8 -D GPS_TX_PIN=8
-D GPS_WAKEUP_PIN=7 -D GPS_WAKEUP_PIN=7
-D GPS_1PPS_PIN=6 -D GPS_1PPS_PIN=6
-D GPS_L76K
-D LORA_CS=10 -D LORA_CS=10
-D LORA_MOSI=11 -D LORA_MOSI=11
-D LORA_SCK=12 -D LORA_SCK=12
@ -77,3 +78,20 @@ build_flags =
-D NODE_LABEL=\"Ed\" -D NODE_LABEL=\"Ed\"
-D NODE_SHORT=\"E\" -D NODE_SHORT=\"E\"
-D NODE_SLOT_INDEX=4 -D NODE_SLOT_INDEX=4
[env:flo]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"Flo\"
-D NODE_SHORT=\"F\"
-D NODE_SLOT_INDEX=5
[env:guy]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"Guy\"
-D NODE_SHORT=\"G\"
-D NODE_SLOT_INDEX=6

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@ -63,8 +63,8 @@
#define FW_BUILD_UTC "unknown" #define FW_BUILD_UTC "unknown"
#endif #endif
#if (NODE_SLOT_INDEX < 0) || (NODE_SLOT_INDEX > 4) #if (NODE_SLOT_INDEX < 0) || (NODE_SLOT_INDEX > 6)
#error "NODE_SLOT_INDEX must be 0..4" #error "NODE_SLOT_INDEX must be 0..6"
#endif #endif
static const uint32_t kSerialDelayMs = 1000; static const uint32_t kSerialDelayMs = 1000;

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@ -0,0 +1,2 @@
*.log

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@ -0,0 +1,55 @@
; 20260401 Codex
; constantTFCard raw SPI/SD probe
[platformio]
default_envs = amy
[env]
platform = espressif32
framework = arduino
board = esp32-s3-devkitc-1
monitor_speed = 115200
lib_deps =
lewisxhe/XPowersLib@0.3.3
Wire
olikraus/U8g2@^2.36.4
build_flags =
-I ../../../shared/boards
-I ../../../external/microReticulum_Firmware
-D BOARD_MODEL=BOARD_TBEAM_S_V1
-D OLED_SDA=17
-D OLED_SCL=18
-D OLED_ADDR=0x3C
-D ARDUINO_USB_MODE=1
-D ARDUINO_USB_CDC_ON_BOOT=1
[env:amy]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"AMY\"
[env:bob]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"BOB\"
[env:cy]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"CY\"
[env:dan]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"DAN\"
[env:ed]
extends = env
build_flags =
${env.build_flags}
-D NODE_LABEL=\"ED\"

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@ -0,0 +1,463 @@
// 20260401 Codex
#include <Arduino.h>
#include <SD.h>
#include <SPI.h>
#include <Wire.h>
#include <U8g2lib.h>
#include <driver/gpio.h>
#include "tbeam_supreme_adapter.h"
#ifndef NODE_LABEL
#define NODE_LABEL "NODE"
#endif
#ifndef OLED_SDA
#define OLED_SDA 17
#endif
#ifndef OLED_SCL
#define OLED_SCL 18
#endif
static const uint32_t kSerialDelayMs = 1500;
static const uint32_t kPollIntervalMs = 200;
static const uint32_t kSpiHz = 400000;
static const uint32_t kReadyHeartbeatMs = 2000;
enum class RawState : uint8_t {
PMU_FAIL = 0,
RAIL_OFF,
BUS_FLOAT,
BUS_LOW,
CMD0_TIMEOUT,
CMD0_NOT_IDLE,
CMD8_TIMEOUT,
CMD8_BAD_R1,
ACMD41_TIMEOUT,
CMD58_TIMEOUT,
READY
};
struct PinSnapshot {
int cs = -1;
int sck = -1;
int miso = -1;
int mosi = -1;
};
struct ProbeSummary {
uint8_t ffCount = 0;
uint8_t zeroCount = 0;
uint8_t otherCount = 0;
uint8_t bytes[8] = {0};
};
struct RawSnapshot {
RawState state = RawState::PMU_FAIL;
bool pmuOk = false;
bool railOn = false;
PinSnapshot pins{};
ProbeSummary idle{};
uint8_t cmd0 = 0xFF;
uint8_t cmd8r1 = 0xFF;
uint8_t cmd8data[4] = {0xFF, 0xFF, 0xFF, 0xFF};
uint8_t acmd41 = 0xFF;
uint8_t cmd58r1 = 0xFF;
uint8_t ocr[4] = {0xFF, 0xFF, 0xFF, 0xFF};
};
static XPowersLibInterface* g_pmu = nullptr;
static U8G2_SH1106_128X64_NONAME_F_HW_I2C g_oled(U8G2_R0, U8X8_PIN_NONE);
static SPIClass g_spi(HSPI);
static uint32_t g_sampleCount = 0;
static uint32_t g_markCount = 0;
static char g_inputLine[32] = {0};
static uint8_t g_inputLen = 0;
static void forceSpiDeselected() {
pinMode(tbeam_supreme::sdCs(), OUTPUT);
digitalWrite(tbeam_supreme::sdCs(), HIGH);
pinMode(tbeam_supreme::imuCs(), OUTPUT);
digitalWrite(tbeam_supreme::imuCs(), HIGH);
}
static PinSnapshot readPins() {
PinSnapshot s;
s.cs = gpio_get_level((gpio_num_t)tbeam_supreme::sdCs());
s.sck = gpio_get_level((gpio_num_t)tbeam_supreme::sdSck());
s.miso = gpio_get_level((gpio_num_t)tbeam_supreme::sdMiso());
s.mosi = gpio_get_level((gpio_num_t)tbeam_supreme::sdMosi());
return s;
}
static void beginBus() {
SD.end();
g_spi.end();
delay(2);
forceSpiDeselected();
g_spi.begin(
tbeam_supreme::sdSck(),
tbeam_supreme::sdMiso(),
tbeam_supreme::sdMosi(),
tbeam_supreme::sdCs()
);
digitalWrite(tbeam_supreme::sdCs(), HIGH);
}
static ProbeSummary idleProbe() {
ProbeSummary out;
beginBus();
delay(1);
for (int i = 0; i < 8; ++i) {
uint8_t b = g_spi.transfer(0xFF);
out.bytes[i] = b;
if (b == 0xFF) out.ffCount++;
else if (b == 0x00) out.zeroCount++;
else out.otherCount++;
}
return out;
}
static uint8_t waitR1(uint16_t tries = 16) {
for (uint16_t i = 0; i < tries; ++i) {
uint8_t r = g_spi.transfer(0xFF);
if ((r & 0x80) == 0) {
return r;
}
}
return 0xFF;
}
static uint8_t sendCommand(uint8_t cmd, uint32_t arg, uint8_t crc) {
g_spi.transfer(0xFF);
digitalWrite(tbeam_supreme::sdCs(), LOW);
g_spi.transfer(0x40 | cmd);
g_spi.transfer((arg >> 24) & 0xFF);
g_spi.transfer((arg >> 16) & 0xFF);
g_spi.transfer((arg >> 8) & 0xFF);
g_spi.transfer(arg & 0xFF);
g_spi.transfer(crc);
uint8_t r1 = waitR1();
return r1;
}
static void endCommand() {
digitalWrite(tbeam_supreme::sdCs(), HIGH);
g_spi.transfer(0xFF);
}
static const char* stateToString(RawState state) {
switch (state) {
case RawState::PMU_FAIL: return "PMU_FAIL";
case RawState::RAIL_OFF: return "RAIL_OFF";
case RawState::BUS_FLOAT: return "BUS_FLOAT";
case RawState::BUS_LOW: return "BUS_LOW";
case RawState::CMD0_TIMEOUT: return "CMD0_TO";
case RawState::CMD0_NOT_IDLE: return "CMD0_BAD";
case RawState::CMD8_TIMEOUT: return "CMD8_TO";
case RawState::CMD8_BAD_R1: return "CMD8_BAD";
case RawState::ACMD41_TIMEOUT: return "ACMD41_TO";
case RawState::CMD58_TIMEOUT: return "CMD58_TO";
case RawState::READY: return "READY";
default: return "UNKNOWN";
}
}
static RawSnapshot captureSnapshot() {
RawSnapshot snap;
snap.pins = readPins();
snap.pmuOk = (g_pmu != nullptr);
if (!snap.pmuOk) {
snap.state = RawState::PMU_FAIL;
return snap;
}
snap.railOn = g_pmu->isPowerChannelEnable(XPOWERS_BLDO1);
if (!snap.railOn) {
snap.state = RawState::RAIL_OFF;
return snap;
}
snap.idle = idleProbe();
if (snap.idle.ffCount == 8) {
snap.state = RawState::BUS_FLOAT;
} else if (snap.idle.zeroCount == 8) {
snap.state = RawState::BUS_LOW;
}
beginBus();
delay(1);
for (int i = 0; i < 10; ++i) {
g_spi.transfer(0xFF);
}
snap.cmd0 = sendCommand(0, 0, 0x95);
endCommand();
if (snap.cmd0 == 0xFF) {
snap.state = RawState::CMD0_TIMEOUT;
return snap;
}
if (snap.cmd0 != 0x01) {
snap.state = RawState::CMD0_NOT_IDLE;
return snap;
}
snap.cmd8r1 = sendCommand(8, 0x000001AAUL, 0x87);
if (snap.cmd8r1 == 0xFF) {
endCommand();
snap.state = RawState::CMD8_TIMEOUT;
return snap;
}
for (int i = 0; i < 4; ++i) {
snap.cmd8data[i] = g_spi.transfer(0xFF);
}
endCommand();
if (!(snap.cmd8r1 == 0x01 || snap.cmd8r1 == 0x05)) {
snap.state = RawState::CMD8_BAD_R1;
return snap;
}
uint8_t ready = 0xFF;
for (int attempt = 0; attempt < 12; ++attempt) {
uint8_t r1 = sendCommand(55, 0, 0x65);
endCommand();
if (r1 == 0xFF) {
continue;
}
ready = sendCommand(41, 0x40000000UL, 0x77);
endCommand();
if (ready == 0x00) {
break;
}
delay(10);
}
snap.acmd41 = ready;
if (snap.acmd41 != 0x00) {
snap.state = RawState::ACMD41_TIMEOUT;
return snap;
}
snap.cmd58r1 = sendCommand(58, 0, 0xFD);
if (snap.cmd58r1 == 0xFF) {
endCommand();
snap.state = RawState::CMD58_TIMEOUT;
return snap;
}
for (int i = 0; i < 4; ++i) {
snap.ocr[i] = g_spi.transfer(0xFF);
}
endCommand();
snap.state = RawState::READY;
return snap;
}
static void printSnapshot(const RawSnapshot& snap) {
Serial.printf(
"sample=%lu state=%s rail=%s pins=%d/%d/%d/%d "
"idle(ff=%u z=%u o=%u %02X %02X %02X %02X) "
"cmd0=%02X cmd8=%02X [%02X %02X %02X %02X] "
"acmd41=%02X cmd58=%02X [%02X %02X %02X %02X]\r\n",
(unsigned long)g_sampleCount,
stateToString(snap.state),
snap.railOn ? "ON" : "OFF",
snap.pins.cs,
snap.pins.sck,
snap.pins.miso,
snap.pins.mosi,
(unsigned)snap.idle.ffCount,
(unsigned)snap.idle.zeroCount,
(unsigned)snap.idle.otherCount,
snap.idle.bytes[0],
snap.idle.bytes[1],
snap.idle.bytes[2],
snap.idle.bytes[3],
snap.cmd0,
snap.cmd8r1,
snap.cmd8data[0],
snap.cmd8data[1],
snap.cmd8data[2],
snap.cmd8data[3],
snap.acmd41,
snap.cmd58r1,
snap.ocr[0],
snap.ocr[1],
snap.ocr[2],
snap.ocr[3]
);
}
static void printReadyHeartbeat() {
Serial.printf("[%10lu] READY heartbeat\r\n", (unsigned long)millis());
}
static bool sameSnapshot(const RawSnapshot& a, const RawSnapshot& b) {
if (a.state != b.state) return false;
if (a.railOn != b.railOn) return false;
if (a.pins.cs != b.pins.cs || a.pins.sck != b.pins.sck ||
a.pins.miso != b.pins.miso || a.pins.mosi != b.pins.mosi) return false;
if (a.idle.ffCount != b.idle.ffCount ||
a.idle.zeroCount != b.idle.zeroCount ||
a.idle.otherCount != b.idle.otherCount) return false;
if (a.cmd0 != b.cmd0 || a.cmd8r1 != b.cmd8r1 ||
a.acmd41 != b.acmd41 || a.cmd58r1 != b.cmd58r1) return false;
for (int i = 0; i < 4; ++i) {
if (a.cmd8data[i] != b.cmd8data[i]) return false;
if (a.ocr[i] != b.ocr[i]) return false;
}
return true;
}
static void showSnapshot(const RawSnapshot& snap) {
char l1[24];
char l2[24];
char l3[24];
char l4[24];
char l5[24];
snprintf(l1, sizeof(l1), "%s RAW SD", NODE_LABEL);
snprintf(l2, sizeof(l2), "STATE %s", stateToString(snap.state));
snprintf(l3, sizeof(l3), "CMD0 %02X C8 %02X A41 %02X", snap.cmd0, snap.cmd8r1, snap.acmd41);
snprintf(l4, sizeof(l4), "OCR %02X%02X%02X%02X",
snap.ocr[0], snap.ocr[1], snap.ocr[2], snap.ocr[3]);
snprintf(l5, sizeof(l5), "IDL %u/%u/%u #%lu",
(unsigned)snap.idle.ffCount,
(unsigned)snap.idle.zeroCount,
(unsigned)snap.idle.otherCount,
(unsigned long)g_sampleCount);
g_oled.clearBuffer();
g_oled.setFont(u8g2_font_5x8_tf);
g_oled.drawUTF8(0, 12, l1);
g_oled.drawUTF8(0, 24, l2);
g_oled.drawUTF8(0, 36, l3);
g_oled.drawUTF8(0, 48, l4);
g_oled.drawUTF8(0, 60, l5);
g_oled.sendBuffer();
}
static void handleSerialInput() {
auto handleCommand = []() {
if (g_inputLen == 0) {
Serial.println();
return;
}
g_inputLine[g_inputLen] = '\0';
if (strcmp(g_inputLine, "m") == 0 || strcmp(g_inputLine, "M") == 0) {
g_markCount++;
Serial.printf("----- MARK %lu -----\r\n", (unsigned long)g_markCount);
} else if (strcmp(g_inputLine, "ls") == 0 || strcmp(g_inputLine, "LS") == 0) {
Serial.println("----- LS / -----");
beginBus();
for (int i = 0; i < 10; ++i) {
g_spi.transfer(0xFF);
}
if (!SD.begin(tbeam_supreme::sdCs(), g_spi, kSpiHz)) {
Serial.println("ls: SD.begin failed");
g_inputLen = 0;
return;
}
File root = SD.open("/", FILE_READ);
if (!root) {
Serial.println("ls: open / failed");
SD.end();
g_inputLen = 0;
return;
}
File entry = root.openNextFile();
if (!entry) {
Serial.println("ls: root empty or unreadable");
}
while (entry) {
Serial.printf("%s%s %lu\r\n",
entry.name(),
entry.isDirectory() ? "/" : "",
(unsigned long)entry.size());
entry.close();
entry = root.openNextFile();
}
root.close();
SD.end();
Serial.println("----- END LS -----");
} else {
Serial.printf("unknown command: %s\r\n", g_inputLine);
}
g_inputLen = 0;
};
while (Serial.available() > 0) {
int ch = Serial.read();
if (ch == '\r' || ch == '\n') {
handleCommand();
} else if (ch == 0x08 || ch == 0x7F) {
if (g_inputLen > 0) {
g_inputLen--;
}
} else if (g_inputLen + 1 < sizeof(g_inputLine)) {
g_inputLine[g_inputLen++] = (char)ch;
}
}
}
void setup() {
Serial.begin(115200);
delay(kSerialDelayMs);
Wire.begin(OLED_SDA, OLED_SCL);
g_oled.begin();
g_oled.clearDisplay();
tbeam_supreme::initPmuForPeripherals(g_pmu, &Serial);
forceSpiDeselected();
Serial.println();
Serial.println("constantTFCard raw probe");
Serial.printf("Node: %s\r\n", NODE_LABEL);
Serial.printf("Poll interval: %lu ms\r\n", (unsigned long)kPollIntervalMs);
Serial.println("States: PMU_FAIL RAIL_OFF BUS_FLOAT BUS_LOW CMD0_TO CMD0_BAD CMD8_TO CMD8_BAD ACMD41_TO CMD58_TO READY");
Serial.println("Input: Enter=blank line, m=mark, ls=list root");
}
void loop() {
static uint32_t lastPollMs = 0;
static bool haveLastPrinted = false;
static RawSnapshot lastPrinted{};
static uint32_t lastReadyHeartbeatMs = 0;
handleSerialInput();
uint32_t now = millis();
if (now - lastPollMs < kPollIntervalMs) {
delay(5);
return;
}
lastPollMs = now;
g_sampleCount++;
RawSnapshot snap = captureSnapshot();
bool changed = (!haveLastPrinted || !sameSnapshot(snap, lastPrinted));
if (changed) {
printSnapshot(snap);
lastPrinted = snap;
haveLastPrinted = true;
if (snap.state == RawState::READY) {
lastReadyHeartbeatMs = now;
}
} else if (snap.state == RawState::READY && now - lastReadyHeartbeatMs >= kReadyHeartbeatMs) {
printReadyHeartbeat();
lastReadyHeartbeatMs = now;
}
showSnapshot(snap);
}