Uploaded 4.3 version with TT-GO 1.14 display

ESP_Code4.3/ESP_Code/Counter.h

@@ -0,0 +1,53 @@
+#ifndef _COUNTER_H_
+#define _COUNTER_H_
+
+#include <Arduino.h>
+#include <string.h>
+
+template <unsigned int max_digits>
+class Counter {
+
+public:
+  Counter() { reset(); }
+
+  void reset() {
+    memset(buffer, '0', max_digits);
+    buffer[max_digits] = '\0';
+    val = 0;
+    len = 1;
+  }
+
+  inline Counter &operator++() {
+    inc_string(buffer + max_digits - 1);
+    ++val;
+    return *this;
+  }
+
+  inline operator unsigned int() const { return val; }
+  inline const char *c_str() const { return buffer + max_digits - len; }
+  inline size_t strlen() const { return len; }
+
+protected:
+  inline void inc_string(char *c) {
+    // In theory, the line below should be uncommented to avoid writing outside the buffer. In practice however,
+    // with max_digits set to 10 or more, we can fit all possible unsigned 32-bit integers in the buffer.
+    // The check is skipped to gain a small extra speed improvement.
+    // if (c >= buffer) return;
+
+    if (*c < '9') {
+      *c += 1;
+    }
+    else {
+      *c = '0';
+      inc_string(c - 1);
+      len = max(max_digits - (c - buffer) + 1, len);
+    }
+  }
+
+protected:
+  char buffer[max_digits + 1];
+  unsigned int val;
+  size_t len;
+};
+
+#endif

ESP_Code4.3/ESP_Code/DSHA1.h

@@ -0,0 +1,201 @@
+#ifndef DSHA1_H
+#define DSHA1_H
+
+#include <Arduino.h>
+
+class DSHA1 {
+
+public:
+    static const size_t OUTPUT_SIZE = 20;
+
+    DSHA1() {
+        initialize(s);
+    }
+
+    DSHA1 &write(const unsigned char *data, size_t len) {
+        size_t bufsize = bytes % 64;
+        if (bufsize && bufsize + len >= 64) {
+            memcpy(buf + bufsize, data, 64 - bufsize);
+            bytes += 64 - bufsize;
+            data += 64 - bufsize;
+            transform(s, buf);
+            bufsize = 0;
+        }
+        while (len >= 64) {
+            transform(s, data);
+            bytes += 64;
+            data += 64;
+            len -= 64;
+        }
+        if (len > 0) {
+            memcpy(buf + bufsize, data, len);
+            bytes += len;
+        }
+        return *this;
+    }
+
+    void finalize(unsigned char hash[OUTPUT_SIZE]) {
+        const unsigned char pad[64] = {0x80};
+        unsigned char sizedesc[8];
+        writeBE64(sizedesc, bytes << 3);
+        write(pad, 1 + ((119 - (bytes % 64)) % 64));
+        write(sizedesc, 8);
+        writeBE32(hash, s[0]);
+        writeBE32(hash + 4, s[1]);
+        writeBE32(hash + 8, s[2]);
+        writeBE32(hash + 12, s[3]);
+        writeBE32(hash + 16, s[4]);
+    }
+
+    DSHA1 &reset() {
+        bytes = 0;
+        initialize(s);
+        return *this;
+    }
+
+    // Warmup the cache and get a boost in performance
+    DSHA1 &warmup() {
+        uint8_t warmup[20];
+        this->write((uint8_t *)"warmupwarmupwa", 20).finalize(warmup);
+        return *this;
+    }
+
+private:
+    uint32_t s[5];
+    unsigned char buf[64];
+    uint64_t bytes;
+
+    const uint32_t k1 = 0x5A827999ul;
+    const uint32_t k2 = 0x6ED9EBA1ul;
+    const uint32_t k3 = 0x8F1BBCDCul;
+    const uint32_t k4 = 0xCA62C1D6ul;
+
+    uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); }
+    uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; }
+    uint32_t inline f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); }
+
+    uint32_t inline left(uint32_t x) { return (x << 1) | (x >> 31); }
+
+    void inline Round(uint32_t a, uint32_t &b, uint32_t c, uint32_t d, uint32_t &e,
+                      uint32_t f, uint32_t k, uint32_t w) {
+        e += ((a << 5) | (a >> 27)) + f + k + w;
+        b = (b << 30) | (b >> 2);
+    }
+
+    void initialize(uint32_t s[5]) {
+        s[0] = 0x67452301ul;
+        s[1] = 0xEFCDAB89ul;
+        s[2] = 0x98BADCFEul;
+        s[3] = 0x10325476ul;
+        s[4] = 0xC3D2E1F0ul;
+    }
+
+    void transform(uint32_t *s, const unsigned char *chunk) {
+        uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4];
+        uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+
+        Round(a, b, c, d, e, f1(b, c, d), k1, w0 = readBE32(chunk + 0));
+        Round(e, a, b, c, d, f1(a, b, c), k1, w1 = readBE32(chunk + 4));
+        Round(d, e, a, b, c, f1(e, a, b), k1, w2 = readBE32(chunk + 8));
+        Round(c, d, e, a, b, f1(d, e, a), k1, w3 = readBE32(chunk + 12));
+        Round(b, c, d, e, a, f1(c, d, e), k1, w4 = readBE32(chunk + 16));
+        Round(a, b, c, d, e, f1(b, c, d), k1, w5 = readBE32(chunk + 20));
+        Round(e, a, b, c, d, f1(a, b, c), k1, w6 = readBE32(chunk + 24));
+        Round(d, e, a, b, c, f1(e, a, b), k1, w7 = readBE32(chunk + 28));
+        Round(c, d, e, a, b, f1(d, e, a), k1, w8 = readBE32(chunk + 32));
+        Round(b, c, d, e, a, f1(c, d, e), k1, w9 = readBE32(chunk + 36));
+        Round(a, b, c, d, e, f1(b, c, d), k1, w10 = readBE32(chunk + 40));
+        Round(e, a, b, c, d, f1(a, b, c), k1, w11 = readBE32(chunk + 44));
+        Round(d, e, a, b, c, f1(e, a, b), k1, w12 = readBE32(chunk + 48));
+        Round(c, d, e, a, b, f1(d, e, a), k1, w13 = readBE32(chunk + 52));
+        Round(b, c, d, e, a, f1(c, d, e), k1, w14 = readBE32(chunk + 56));
+        Round(a, b, c, d, e, f1(b, c, d), k1, w15 = readBE32(chunk + 60));
+
+        Round(e, a, b, c, d, f1(a, b, c), k1, w0 = left(w0 ^ w13 ^ w8 ^ w2));
+        Round(d, e, a, b, c, f1(e, a, b), k1, w1 = left(w1 ^ w14 ^ w9 ^ w3));
+        Round(c, d, e, a, b, f1(d, e, a), k1, w2 = left(w2 ^ w15 ^ w10 ^ w4));
+        Round(b, c, d, e, a, f1(c, d, e), k1, w3 = left(w3 ^ w0 ^ w11 ^ w5));
+        Round(a, b, c, d, e, f2(b, c, d), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6));
+        Round(e, a, b, c, d, f2(a, b, c), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7));
+        Round(d, e, a, b, c, f2(e, a, b), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8));
+        Round(c, d, e, a, b, f2(d, e, a), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9));
+        Round(b, c, d, e, a, f2(c, d, e), k2, w8 = left(w8 ^ w5 ^ w0 ^ w10));
+        Round(a, b, c, d, e, f2(b, c, d), k2, w9 = left(w9 ^ w6 ^ w1 ^ w11));
+        Round(e, a, b, c, d, f2(a, b, c), k2, w10 = left(w10 ^ w7 ^ w2 ^ w12));
+        Round(d, e, a, b, c, f2(e, a, b), k2, w11 = left(w11 ^ w8 ^ w3 ^ w13));
+        Round(c, d, e, a, b, f2(d, e, a), k2, w12 = left(w12 ^ w9 ^ w4 ^ w14));
+        Round(b, c, d, e, a, f2(c, d, e), k2, w13 = left(w13 ^ w10 ^ w5 ^ w15));
+        Round(a, b, c, d, e, f2(b, c, d), k2, w14 = left(w14 ^ w11 ^ w6 ^ w0));
+        Round(e, a, b, c, d, f2(a, b, c), k2, w15 = left(w15 ^ w12 ^ w7 ^ w1));
+
+        Round(d, e, a, b, c, f2(e, a, b), k2, w0 = left(w0 ^ w13 ^ w8 ^ w2));
+        Round(c, d, e, a, b, f2(d, e, a), k2, w1 = left(w1 ^ w14 ^ w9 ^ w3));
+        Round(b, c, d, e, a, f2(c, d, e), k2, w2 = left(w2 ^ w15 ^ w10 ^ w4));
+        Round(a, b, c, d, e, f2(b, c, d), k2, w3 = left(w3 ^ w0 ^ w11 ^ w5));
+        Round(e, a, b, c, d, f2(a, b, c), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6));
+        Round(d, e, a, b, c, f2(e, a, b), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7));
+        Round(c, d, e, a, b, f2(d, e, a), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8));
+        Round(b, c, d, e, a, f2(c, d, e), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9));
+        Round(a, b, c, d, e, f3(b, c, d), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10));
+        Round(e, a, b, c, d, f3(a, b, c), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11));
+        Round(d, e, a, b, c, f3(e, a, b), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12));
+        Round(c, d, e, a, b, f3(d, e, a), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13));
+        Round(b, c, d, e, a, f3(c, d, e), k3, w12 = left(w12 ^ w9 ^ w4 ^ w14));
+        Round(a, b, c, d, e, f3(b, c, d), k3, w13 = left(w13 ^ w10 ^ w5 ^ w15));
+        Round(e, a, b, c, d, f3(a, b, c), k3, w14 = left(w14 ^ w11 ^ w6 ^ w0));
+        Round(d, e, a, b, c, f3(e, a, b), k3, w15 = left(w15 ^ w12 ^ w7 ^ w1));
+
+        Round(c, d, e, a, b, f3(d, e, a), k3, w0 = left(w0 ^ w13 ^ w8 ^ w2));
+        Round(b, c, d, e, a, f3(c, d, e), k3, w1 = left(w1 ^ w14 ^ w9 ^ w3));
+        Round(a, b, c, d, e, f3(b, c, d), k3, w2 = left(w2 ^ w15 ^ w10 ^ w4));
+        Round(e, a, b, c, d, f3(a, b, c), k3, w3 = left(w3 ^ w0 ^ w11 ^ w5));
+        Round(d, e, a, b, c, f3(e, a, b), k3, w4 = left(w4 ^ w1 ^ w12 ^ w6));
+        Round(c, d, e, a, b, f3(d, e, a), k3, w5 = left(w5 ^ w2 ^ w13 ^ w7));
+        Round(b, c, d, e, a, f3(c, d, e), k3, w6 = left(w6 ^ w3 ^ w14 ^ w8));
+        Round(a, b, c, d, e, f3(b, c, d), k3, w7 = left(w7 ^ w4 ^ w15 ^ w9));
+        Round(e, a, b, c, d, f3(a, b, c), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10));
+        Round(d, e, a, b, c, f3(e, a, b), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11));
+        Round(c, d, e, a, b, f3(d, e, a), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12));
+        Round(b, c, d, e, a, f3(c, d, e), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13));
+        Round(a, b, c, d, e, f2(b, c, d), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14));
+        Round(e, a, b, c, d, f2(a, b, c), k4, w13 = left(w13 ^ w10 ^ w5 ^ w15));
+        Round(d, e, a, b, c, f2(e, a, b), k4, w14 = left(w14 ^ w11 ^ w6 ^ w0));
+        Round(c, d, e, a, b, f2(d, e, a), k4, w15 = left(w15 ^ w12 ^ w7 ^ w1));
+
+        Round(b, c, d, e, a, f2(c, d, e), k4, w0 = left(w0 ^ w13 ^ w8 ^ w2));
+        Round(a, b, c, d, e, f2(b, c, d), k4, w1 = left(w1 ^ w14 ^ w9 ^ w3));
+        Round(e, a, b, c, d, f2(a, b, c), k4, w2 = left(w2 ^ w15 ^ w10 ^ w4));
+        Round(d, e, a, b, c, f2(e, a, b), k4, w3 = left(w3 ^ w0 ^ w11 ^ w5));
+        Round(c, d, e, a, b, f2(d, e, a), k4, w4 = left(w4 ^ w1 ^ w12 ^ w6));
+        Round(b, c, d, e, a, f2(c, d, e), k4, w5 = left(w5 ^ w2 ^ w13 ^ w7));
+        Round(a, b, c, d, e, f2(b, c, d), k4, w6 = left(w6 ^ w3 ^ w14 ^ w8));
+        Round(e, a, b, c, d, f2(a, b, c), k4, w7 = left(w7 ^ w4 ^ w15 ^ w9));
+        Round(d, e, a, b, c, f2(e, a, b), k4, w8 = left(w8 ^ w5 ^ w0 ^ w10));
+        Round(c, d, e, a, b, f2(d, e, a), k4, w9 = left(w9 ^ w6 ^ w1 ^ w11));
+        Round(b, c, d, e, a, f2(c, d, e), k4, w10 = left(w10 ^ w7 ^ w2 ^ w12));
+        Round(a, b, c, d, e, f2(b, c, d), k4, w11 = left(w11 ^ w8 ^ w3 ^ w13));
+        Round(e, a, b, c, d, f2(a, b, c), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14));
+        Round(d, e, a, b, c, f2(e, a, b), k4, left(w13 ^ w10 ^ w5 ^ w15));
+        Round(c, d, e, a, b, f2(d, e, a), k4, left(w14 ^ w11 ^ w6 ^ w0));
+        Round(b, c, d, e, a, f2(c, d, e), k4, left(w15 ^ w12 ^ w7 ^ w1));
+
+        s[0] += a;
+        s[1] += b;
+        s[2] += c;
+        s[3] += d;
+        s[4] += e;
+    }
+
+    uint32_t static inline readBE32(const unsigned char *ptr) {
+        return __builtin_bswap32(*(uint32_t *)ptr);
+    }
+
+    void static inline writeBE32(unsigned char *ptr, uint32_t x) {
+        *(uint32_t *)ptr = __builtin_bswap32(x);
+    }
+
+    void static inline writeBE64(unsigned char *ptr, uint64_t x) {
+        *(uint64_t *)ptr = __builtin_bswap64(x);
+    }
+};
+#endif