mikecarper
fb73e3afac
Default to one hour after sunset through sunrise, using fresh cached GPS or recent direct RF neighbor locations. Provide saved CLI and WebConfig controls with a small integer solar approximation and no additional framebuffer.
298 lines
13 KiB
Python
298 lines
13 KiB
Python
"""Exercise optional Tracker V1 display reads and shared-rail driver lifecycle."""
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from pathlib import Path
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import os
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import subprocess
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import tempfile
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import unittest
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from cpp_source import body
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from test_serial_wifi_sessions import SANITIZER_FLAGS
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ROOT = Path(__file__).resolve().parents[1]
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UI = ROOT / "src/helpers/ui"
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ARDUINO = r'''
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#pragma once
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#include <cassert>
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#include <cstdint>
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#include <string>
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#include <vector>
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namespace mesh { namespace ui { namespace color_theme {
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constexpr uint16_t render(uint16_t color) { return color; }
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}}}
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#define LOW 0
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#define HIGH 1
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#define INPUT 0
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#define OUTPUT 1
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#define INPUT_PULLUP 2
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#define INPUT_PULLDOWN 3
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#define PIN_TFT_SCL 41
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#define PIN_TFT_SDA 42
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#define PIN_TFT_RST 39
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#define PIN_TFT_LEDA_CTL 21
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#define PIN_TFT_CS 38
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#define PIN_TFT_DC 40
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#ifndef PIN_TFT_LEDA_CTL_ACTIVE
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#define PIN_TFT_LEDA_CTL_ACTIVE HIGH
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#endif
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inline int modes[48] = {}, levels[48] = {};
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inline uint64_t now_us = 0, reset_high_at = 0, reset_low_at = 0, reset_low_us = 0;
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inline unsigned gpio_events = 0, reads = 0, transactions = 0, spi_begins = 0;
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inline unsigned initializations = 0, allocations = 0, objects = 0, draws = 0;
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inline unsigned clock_edges = 0, command_bits = 0, data_bits = 0;
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inline uint8_t command_value = 0;
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inline bool transaction = false, fail_pixels = false, initialized = false;
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inline std::string scenario;
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inline uint32_t read_value = 0;
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inline bool automatic() {
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#ifdef MESHCORE_TRACKER_DISPLAY_AUTODETECT
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return true;
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#else
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return false;
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#endif
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}
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inline void check_panel_pin(int pin) {
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assert((pin == PIN_TFT_CS || pin == PIN_TFT_DC || pin == PIN_TFT_SDA
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|| pin == PIN_TFT_SCL || pin == PIN_TFT_RST || pin == PIN_TFT_LEDA_CTL)
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&& "probe must never drive Vext, GNSS, or radio pins");
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}
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inline void pinMode(int pin, int mode) {
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check_panel_pin(pin); ++gpio_events; modes[pin] = mode;
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if (pin == PIN_TFT_SDA && (mode == INPUT_PULLUP || mode == INPUT_PULLDOWN)) {
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assert(transaction && command_bits == 8 && command_value == 0x04);
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const unsigned within_attempt = (transactions - 1) % 6;
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read_value = 0x7c89f0;
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if (scenario == "floating") read_value = mode == INPUT_PULLUP ? 0xffffff : 0;
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if (scenario == "stuck-high") read_value = 0xffffff;
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if (scenario == "stuck-low") read_value = 0;
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if (scenario == "biased") read_value = mode == INPUT_PULLUP ? 0x7c89f0 : 0x123456;
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if (scenario == "noise") read_value = within_attempt == 2 ? 0x7c89f1 : 0x7c89f0;
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if (scenario == "recover" && transactions <= 6) read_value = 0;
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if (scenario == "prime" && within_attempt % 3 == 0) read_value = 0;
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if (scenario == "programmable") read_value = 0x123456;
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}
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}
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inline void digitalWrite(int pin, int value) {
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check_panel_pin(pin); ++gpio_events;
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if (automatic() && pin == PIN_TFT_LEDA_CTL && value == PIN_TFT_LEDA_CTL_ACTIVE)
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assert(initialized && "backlight must remain off until initialization");
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if (pin == PIN_TFT_RST && value == HIGH && levels[pin] == LOW) {
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reset_low_us = now_us - reset_low_at; reset_high_at = now_us;
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}
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if (pin == PIN_TFT_RST && value == LOW && levels[pin] == HIGH) reset_low_at = now_us;
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if (pin == PIN_TFT_CS && value == LOW && levels[pin] == HIGH && spi_begins == 0) {
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assert(automatic() && now_us - reset_high_at >= 120000 && reset_low_us >= 10000);
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assert(levels[PIN_TFT_LEDA_CTL] != PIN_TFT_LEDA_CTL_ACTIVE);
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transaction = true; ++transactions;
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clock_edges = command_bits = data_bits = 0; command_value = 0;
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}
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if (pin == PIN_TFT_SCL && value == HIGH && transaction) {
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++clock_edges;
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if (modes[PIN_TFT_SDA] == OUTPUT) {
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assert(levels[PIN_TFT_DC] == LOW && command_bits < 8);
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command_value = uint8_t((command_value << 1) | levels[PIN_TFT_SDA]);
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++command_bits;
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}
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}
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if (pin == PIN_TFT_SCL && value == LOW && transaction && clock_edges == 8)
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assert(modes[PIN_TFT_SDA] != OUTPUT && "release SDA before command falling edge");
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if (pin == PIN_TFT_CS && value == HIGH && transaction) {
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assert(command_bits == 8 && data_bits == 24 && clock_edges == 33);
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transaction = false;
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}
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levels[pin] = value;
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}
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inline int digitalRead(int pin) {
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assert(pin == PIN_TFT_SDA && transaction && levels[PIN_TFT_DC] == HIGH);
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assert(modes[pin] == INPUT_PULLUP || modes[pin] == INPUT_PULLDOWN);
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assert(clock_edges == 9 + data_bits && data_bits < 24 && levels[PIN_TFT_SCL] == LOW);
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++reads;
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return (read_value >> (23 - data_bits++)) & 1;
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}
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inline void delay(unsigned ms) { now_us += uint64_t(ms) * 1000; }
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inline void delayMicroseconds(unsigned us) { now_us += us; }
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'''
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HARNESS = r'''
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@POLICY@
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#include <Arduino.h>
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#include "WirelessTrackerDisplayProbe.h"
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constexpr int SPI_CLOCK_DIV2=2, ST77XX_NORON=0x13, ST77XX_DISPON=0x29;
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constexpr int ST77XX_DISPOFF=0x28, ST77XX_SLPIN=0x10;
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constexpr uint16_t ST77XX_BLACK=0, ST77XX_WHITE=0xffff;
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constexpr int ST7735_BUFFER_COLOR_DEPTH=16;
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struct Spi {
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void begin(int scl, int miso, int sda, int cs) {
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assert(scl==41 && miso==-1 && sda==42 && cs==-1);
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if (automatic()) assert(transactions>=6);
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++spi_begins;
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}
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void setClockDivider(int) {}
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} spi;
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static Spi* _spi=&spi;
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static int _height, _width, _colstart, _rowstart, lcd;
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struct TFT_eSprite {
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bool valid=false;
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explicit TFT_eSprite(int*) { ++objects; }
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void setColorDepth(int) {}
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void* createSprite(int w,int h) {
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assert(w==160 && h==80); ++allocations;
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valid=!fail_pixels; fail_pixels=false;
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return getPointer();
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}
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void* getPointer() { return valid ? this : nullptr; }
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void fillScreen(uint16_t) { assert(valid); ++draws; }
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void setTextColor(uint16_t) { assert(valid); }
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};
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static TFT_eSprite* sprite=nullptr;
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static uint32_t curr_color;
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@READY@
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namespace mesh {
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struct Logger { void println(const char*) {} } logger;
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Logger& usbLoggingPort() { return logger; }
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}
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struct Rail {
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unsigned claims;
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unsigned taken=0,released=0;
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void claim() { ++claims; ++taken; }
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void release() { assert(claims); --claims; ++released; }
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};
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void sendCommand(int) {}
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@MARKER@
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class ST7735Display {
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public:
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bool _isOn=false;
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Rail* _peripher_power;
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#ifdef MESHCORE_TRACKER_DISPLAY_AUTODETECT
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bool _probeComplete=false,_present=false;
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#endif
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explicit ST7735Display(Rail* power) : _peripher_power(power) {}
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bool begin();
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void turnOn();
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void turnOff();
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void _resetAndInit() { ++initializations; initialized=true; }
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void endFrame() { if (spriteReady()) { assert(initialized); ++draws; } }
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};
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@METHODS@
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int main(int argc,char** argv) {
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assert(argc==3); scenario=argv[1];
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const unsigned gps_claims=unsigned(std::stoul(argv[2]));
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Rail rail{gps_claims}; ST7735Display display(&rail);
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const bool invalid=scenario=="floating" || scenario=="stuck-high" || scenario=="stuck-low"
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|| scenario=="biased" || scenario=="noise";
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if (scenario=="alloc-fail") fail_pixels=true;
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const bool began=display.begin();
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if (automatic() && invalid) {
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assert(!began && !display._isOn && "absent panel must remain headless");
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assert(allocations==0 && objects==0 && spi_begins==0 && initializations==0);
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assert(rail.claims==gps_claims && rail.taken==1 && rail.released==1);
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assert(levels[PIN_TFT_RST]==LOW && levels[PIN_TFT_LEDA_CTL]!=PIN_TFT_LEDA_CTL_ACTIVE);
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for (int pin : {PIN_TFT_CS,PIN_TFT_DC,PIN_TFT_SDA,PIN_TFT_SCL}) assert(modes[pin]==INPUT);
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const auto events= gpio_events;
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assert(!display.begin()); display.turnOn(); display.turnOff(); display.endFrame();
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assert(events==gpio_events && transactions==12 && now_us<400000);
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assert(rail.claims==gps_claims && allocations==0 && draws==0);
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return 0;
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}
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if (scenario=="alloc-fail") {
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assert(!began && sprite==nullptr && allocations==1 && spi_begins==0);
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assert(rail.claims==gps_claims);
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assert(display.begin());
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assert(allocations==2 && rail.claims==gps_claims+1);
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} else {
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assert(began && allocations==1 && rail.claims==gps_claims+1);
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}
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assert(display._isOn && initializations==1);
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const auto probe_count=transactions;
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if (automatic()) assert(probe_count==(scenario=="recover" ? 12u : 6u));
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else assert(probe_count==0 && reads==0);
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assert(levels[PIN_TFT_LEDA_CTL]==PIN_TFT_LEDA_CTL_ACTIVE);
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const auto pixels=sprite; const auto allocated=allocations; const auto events=gpio_events;
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assert(display.begin() && gpio_events==events && rail.claims==gps_claims+1);
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display.turnOff(); assert(rail.claims==gps_claims && !display._isOn);
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display.turnOn();
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assert(display._isOn && rail.claims==gps_claims+1 && initializations==2);
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assert(transactions==probe_count && allocations==allocated && sprite==pixels);
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display.turnOff(); assert(rail.claims==gps_claims);
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delete sprite;
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}
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'''
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class WirelessTrackerDisplayDetectionTests(unittest.TestCase):
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def build(self, work, flags, *, old_bias=False, old_turnaround=False):
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work.mkdir()
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driver = (UI / "ST7735Display.cpp").read_text()
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header = (UI / "ST7735Display.h").read_text()
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policy = header[header.index("#if defined(WIRELESS_TRACKER_DISPLAY_AUTODETECT)"):header.index("class ST7735Display")]
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marker = driver[driver.index("#ifdef MESHCORE_TRACKER_DISPLAY_AUTODETECT"):driver.index("// Most ST7735")]
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methods = "\n".join(body(driver, signature) for signature in (
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"bool ST7735Display::begin()", "void ST7735Display::turnOn()", "void ST7735Display::turnOff()"))
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source = (HARNESS.replace("@POLICY@", policy).replace("@MARKER@", marker)
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.replace("@READY@", body(driver, "static bool spriteReady()"))
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.replace("@METHODS@", methods))
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probe = (UI / "WirelessTrackerDisplayProbe.h").read_text()
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if old_bias:
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probe = probe.replace("ids[0] == ids[1]", "true")
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if old_turnaround:
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probe = probe.replace("if (mask == 1) pinMode(PIN_TFT_SDA, bias);", "")
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probe = probe.replace(" digitalWrite(PIN_TFT_DC, HIGH);", " pinMode(PIN_TFT_SDA, bias);\n digitalWrite(PIN_TFT_DC, HIGH);", 1)
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(work / "Arduino.h").write_text(ARDUINO)
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(work / "WirelessTrackerDisplayProbe.h").write_text(probe)
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(work / "test.cpp").write_text(source)
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binary = work / "test"
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compiled = subprocess.run([os.environ.get("CXX", "g++"), "-std=c++17", "-Wall", "-Wextra", "-Werror",
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"-Wno-unused-variable", *SANITIZER_FLAGS, "-DESP_PLATFORM=1", *flags, "-I"+str(work),
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str(work / "test.cpp"), "-o", str(binary)], capture_output=True, text=True, timeout=60)
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self.assertEqual(compiled.returncode, 0, compiled.stdout + compiled.stderr)
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return binary
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def run_case(self, binary, scenario, gps=1, negative=None):
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result = subprocess.run([str(binary), scenario, str(gps)], capture_output=True, text=True, timeout=10)
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if negative:
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self.assertNotEqual(result.returncode, 0)
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self.assertIn(negative, result.stderr)
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else:
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self.assertEqual(result.returncode, 0, result.stdout + result.stderr)
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def test_optional_tracker_rejects_absence_noise_and_preserves_gps_power(self):
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with tempfile.TemporaryDirectory(prefix="tracker-detect-") as directory:
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for board in ("HELTEC_LORA_V3", "HELTEC_TRACKER_V1_1"):
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binary = self.build(Path(directory)/board, ["-D"+board, "-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=1"])
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self.assertIn(b"meshcore.capability.display.autodetect.tracker.v1", binary.read_bytes())
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for scenario in ("floating", "stuck-high", "stuck-low", "biased", "noise"):
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for gps in (0, 1):
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with self.subTest(board=board, scenario=scenario, gps=gps): self.run_case(binary, scenario, gps)
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def test_present_programmable_id_reset_recovery_and_allocation_retry(self):
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with tempfile.TemporaryDirectory(prefix="tracker-detect-") as directory:
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for active in (0, 1):
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binary = self.build(Path(directory)/str(active), ["-DHELTEC_LORA_V3", "-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=1",
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f"-DPIN_TFT_LEDA_CTL_ACTIVE={active}"])
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for scenario in ("valid", "programmable", "prime", "recover", "alloc-fail"):
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for gps in (0, 1):
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with self.subTest(active=active, scenario=scenario, gps=gps): self.run_case(binary, scenario, gps)
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def test_other_boards_and_disabled_option_keep_existing_initialization(self):
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with tempfile.TemporaryDirectory(prefix="tracker-detect-") as directory:
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variants = (["-DHELTEC_LORA_V3"], ["-DHELTEC_LORA_V3", "-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=0"],
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["-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=1"],
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*[["-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=1", "-DHELTEC_LORA_V3", "-D"+board]
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for board in ("HELTEC_TRACKER_V2", "HELTEC_T096", "HELTEC_T1")])
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for index, flags in enumerate(variants):
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binary = self.build(Path(directory)/str(index), flags)
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self.assertNotIn(b"meshcore.capability.display.autodetect.tracker.v1", binary.read_bytes())
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self.run_case(binary, "floating")
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def test_opposite_pull_and_turnaround_negative_controls_fail(self):
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with tempfile.TemporaryDirectory(prefix="tracker-detect-") as directory:
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flags = ["-DHELTEC_LORA_V3", "-DWIRELESS_TRACKER_DISPLAY_AUTODETECT=1"]
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binary = self.build(Path(directory)/"bias", flags, old_bias=True)
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self.run_case(binary, "biased", negative="absent panel must remain headless")
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binary = self.build(Path(directory)/"turnaround", flags, old_turnaround=True)
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self.run_case(binary, "valid", negative="release SDA before command falling edge")
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if __name__ == "__main__":
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unittest.main()
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