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https://github.com/portapack-mayhem/mayhem-firmware.git
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Formatted code (#1007)
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
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jLynx
@@ -28,234 +28,234 @@
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#include <cstdint>
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inline void OOKProcessor::write_sample(const buffer_c8_t& buffer, uint8_t bit_value, size_t i) {
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int8_t re, im;
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int8_t re, im;
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if (bit_value) {
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phase = (phase + 200); // What ?
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sphase = phase + (64 << 18);
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if (bit_value) {
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phase = (phase + 200); // What ?
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sphase = phase + (64 << 18);
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re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
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im = (sine_table_i8[(phase & 0x03FC0000) >> 18]);
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} else {
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re = 0;
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im = 0;
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}
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re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
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im = (sine_table_i8[(phase & 0x03FC0000) >> 18]);
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} else {
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re = 0;
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im = 0;
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}
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buffer.p[i] = {re, im};
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buffer.p[i] = {re, im};
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}
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bool OOKProcessor::scan_init(unsigned int order) {
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if (order > MAX_DE_BRUIJN_ORDER)
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return false;
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if (order > MAX_DE_BRUIJN_ORDER)
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return false;
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scan_done = false;
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scan_progress = 0;
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scan_done = false;
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scan_progress = 0;
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k = 0;
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idx = 1;
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k = 0;
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idx = 1;
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duval_symbols = 2; // 2 for binary, 3 for ternary encoders
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duval_length = 0;
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duval_bit = 0;
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duval_sample_bit = 0;
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duval_symbol = 0;
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duval_symbols = 2; // 2 for binary, 3 for ternary encoders
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duval_length = 0;
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duval_bit = 0;
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duval_sample_bit = 0;
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duval_symbol = 0;
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memset(v, 0, sizeof(v));
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return true;
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memset(v, 0, sizeof(v));
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return true;
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}
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bool OOKProcessor::scan_encode(const buffer_c8_t& buffer, size_t& buf_ptr) {
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// encode data: 0 = 1000, 1 = 1110
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// @TODO: make this user-configurable
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const uint8_t sym[] = { 0b0001, 0b0111 };
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constexpr auto symbol_length = 4;
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// encode data: 0 = 1000, 1 = 1110
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// @TODO: make this user-configurable
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const uint8_t sym[] = {0b0001, 0b0111};
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constexpr auto symbol_length = 4;
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// iterate over every symbol in the sequence and convert it to bits with required bitrate
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for (; duval_bit < duval_length; duval_bit++) {
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auto val = v_tmp[duval_bit];
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for (; duval_symbol < symbol_length; duval_symbol++) {
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auto s = sym[val] & (1 << duval_symbol);
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for (; duval_sample_bit < samples_per_bit; duval_sample_bit++) {
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if (buf_ptr >= buffer.count) {
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// buffer is full - continue next time
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txprogress_message.done = false;
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txprogress_message.progress = scan_progress++;
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shared_memory.application_queue.push(txprogress_message);
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return false;
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}
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write_sample(buffer, s, buf_ptr++);
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}
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duval_sample_bit = 0;
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}
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duval_symbol = 0;
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}
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duval_bit = 0;
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return true;
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// iterate over every symbol in the sequence and convert it to bits with required bitrate
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for (; duval_bit < duval_length; duval_bit++) {
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auto val = v_tmp[duval_bit];
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for (; duval_symbol < symbol_length; duval_symbol++) {
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auto s = sym[val] & (1 << duval_symbol);
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for (; duval_sample_bit < samples_per_bit; duval_sample_bit++) {
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if (buf_ptr >= buffer.count) {
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// buffer is full - continue next time
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txprogress_message.done = false;
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txprogress_message.progress = scan_progress++;
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shared_memory.application_queue.push(txprogress_message);
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return false;
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}
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write_sample(buffer, s, buf_ptr++);
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}
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duval_sample_bit = 0;
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}
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duval_symbol = 0;
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}
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duval_bit = 0;
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return true;
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}
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inline size_t OOKProcessor::duval_algo_step() {
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size_t buf_ptr = 0;
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const unsigned int w = de_bruijn_length;
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size_t buf_ptr = 0;
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const unsigned int w = de_bruijn_length;
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// Duval's algorithm for generating de Bruijn sequence
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while (idx) {
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if (w % idx == 0) {
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for (unsigned int k = 0; k < idx; k++)
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v_tmp[buf_ptr++] = v[k];
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k = 0;
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}
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// Duval's algorithm for generating de Bruijn sequence
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while (idx) {
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if (w % idx == 0) {
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for (unsigned int k = 0; k < idx; k++)
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v_tmp[buf_ptr++] = v[k];
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k = 0;
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}
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for (unsigned int j = 0; j < w - idx; j++)
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v[idx + j] = v[j];
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for (unsigned int j = 0; j < w - idx; j++)
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v[idx + j] = v[j];
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for (idx = w; (idx > 0) && (v[idx - 1] >= duval_symbols - 1); idx--) ;
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for (idx = w; (idx > 0) && (v[idx - 1] >= duval_symbols - 1); idx--)
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;
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if (idx)
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v[idx - 1]++;
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if (idx)
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v[idx - 1]++;
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if (buf_ptr) {
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// we fill at most de_bruijn_length number of elements
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return buf_ptr;
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}
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}
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if (buf_ptr) {
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// we fill at most de_bruijn_length number of elements
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return buf_ptr;
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}
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}
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return 0;
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return 0;
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}
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void OOKProcessor::scan_process(const buffer_c8_t& buffer) {
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size_t buf_ptr = 0;
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size_t buf_ptr = 0;
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// transmit any leftover bits from previous step
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if (!scan_encode(buffer, buf_ptr))
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return;
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// transmit any leftover bits from previous step
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if (!scan_encode(buffer, buf_ptr))
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return;
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while (1) {
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// calculate next chunk of deBruijn sequence
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duval_length = duval_algo_step();
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while (1) {
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// calculate next chunk of deBruijn sequence
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duval_length = duval_algo_step();
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if (duval_length == 0) {
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// last chunk - done
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if (!scan_done) {
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txprogress_message.done = true;
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shared_memory.application_queue.push(txprogress_message);
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}
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scan_done = 1;
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if (duval_length == 0) {
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// last chunk - done
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if (!scan_done) {
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txprogress_message.done = true;
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shared_memory.application_queue.push(txprogress_message);
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}
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scan_done = 1;
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// clear the remaining buffer in case we have any bytes left
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for (size_t i = buf_ptr; i < buffer.count; i++)
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buffer.p[i] = { 0, 0 };
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// clear the remaining buffer in case we have any bytes left
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for (size_t i = buf_ptr; i < buffer.count; i++)
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buffer.p[i] = {0, 0};
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break;
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}
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break;
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}
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duval_bit = 0;
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duval_sample_bit = 0;
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duval_symbol = 0;
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duval_bit = 0;
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duval_sample_bit = 0;
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duval_symbol = 0;
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// encode the sequence into required format
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if (!scan_encode(buffer, buf_ptr))
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break;
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}
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// encode the sequence into required format
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if (!scan_encode(buffer, buf_ptr))
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break;
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}
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}
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void OOKProcessor::execute(const buffer_c8_t& buffer) {
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// This is called at 2.28M/2048 = 1113Hz
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// This is called at 2.28M/2048 = 1113Hz
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if (!configured) return;
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if (!configured) return;
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if (de_bruijn_length) {
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scan_process(buffer);
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return;
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}
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if (de_bruijn_length) {
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scan_process(buffer);
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return;
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}
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for (size_t i = 0; i < buffer.count; i++) {
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for (size_t i = 0; i < buffer.count; i++) {
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// Synthesis at 2.28M/10 = 228kHz
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if (!s) {
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s = 10 - 1;
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if (sample_count >= samples_per_bit) {
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if (configured) {
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if (bit_pos >= length) {
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// End of data
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if (pause_counter == 0) {
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pause_counter = pause;
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cur_bit = 0;
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} else if (pause_counter == 1) {
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if (repeat_counter < repeat) {
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// Repeat
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cur_bit = shared_memory.bb_data.data[0] & 0x80;
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txprogress_message.progress = repeat_counter + 1;
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txprogress_message.done = false;
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shared_memory.application_queue.push(txprogress_message);
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bit_pos = 1;
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repeat_counter++;
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} else {
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// Stop
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cur_bit = 0;
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txprogress_message.done = true;
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shared_memory.application_queue.push(txprogress_message);
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configured = false;
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}
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pause_counter = 0;
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} else {
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pause_counter--;
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}
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} else {
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cur_bit = (shared_memory.bb_data.data[bit_pos >> 3] << (bit_pos & 7)) & 0x80;
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bit_pos++;
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}
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}
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// Synthesis at 2.28M/10 = 228kHz
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if (!s) {
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s = 10 - 1;
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if (sample_count >= samples_per_bit) {
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if (configured) {
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if (bit_pos >= length) {
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// End of data
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if (pause_counter == 0) {
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pause_counter = pause;
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cur_bit = 0;
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} else if (pause_counter == 1) {
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if (repeat_counter < repeat) {
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// Repeat
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cur_bit = shared_memory.bb_data.data[0] & 0x80;
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txprogress_message.progress = repeat_counter + 1;
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txprogress_message.done = false;
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shared_memory.application_queue.push(txprogress_message);
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bit_pos = 1;
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repeat_counter++;
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} else {
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// Stop
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cur_bit = 0;
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txprogress_message.done = true;
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shared_memory.application_queue.push(txprogress_message);
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configured = false;
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}
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pause_counter = 0;
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} else {
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pause_counter--;
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}
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} else {
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cur_bit = (shared_memory.bb_data.data[bit_pos >> 3] << (bit_pos & 7)) & 0x80;
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bit_pos++;
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}
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}
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sample_count = 0;
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} else {
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sample_count++;
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}
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} else {
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s--;
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}
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sample_count = 0;
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} else {
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sample_count++;
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}
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} else {
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s--;
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}
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write_sample(buffer, cur_bit, i);
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}
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write_sample(buffer, cur_bit, i);
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}
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}
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void OOKProcessor::on_message(const Message* const p) {
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const auto message = *reinterpret_cast<const OOKConfigureMessage*>(p);
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const auto message = *reinterpret_cast<const OOKConfigureMessage*>(p);
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if (message.id == Message::ID::OOKConfigure) {
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configured = false;
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if (message.id == Message::ID::OOKConfigure) {
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configured = false;
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repeat = message.repeat - 1;
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length = message.stream_length;
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pause = message.pause_symbols + 1;
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de_bruijn_length = message.de_bruijn_length;
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samples_per_bit = message.samples_per_bit;
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repeat = message.repeat - 1;
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length = message.stream_length;
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pause = message.pause_symbols + 1;
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de_bruijn_length = message.de_bruijn_length;
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samples_per_bit = message.samples_per_bit;
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if (!length && !samples_per_bit) {
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// shutdown
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return;
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}
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if (!length && !samples_per_bit) {
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// shutdown
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return;
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}
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if (de_bruijn_length) {
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if (!scan_init(de_bruijn_length))
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return;
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} else {
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samples_per_bit /= 10;
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}
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if (de_bruijn_length) {
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if (!scan_init(de_bruijn_length))
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return;
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} else {
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samples_per_bit /= 10;
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}
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pause_counter = 0;
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s = 0;
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sample_count = samples_per_bit;
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repeat_counter = 0;
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bit_pos = 0;
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cur_bit = 0;
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txprogress_message.progress = 0;
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txprogress_message.done = false;
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configured = true;
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}
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pause_counter = 0;
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s = 0;
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sample_count = samples_per_bit;
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repeat_counter = 0;
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bit_pos = 0;
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cur_bit = 0;
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txprogress_message.progress = 0;
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txprogress_message.done = false;
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configured = true;
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}
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}
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int main() {
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EventDispatcher event_dispatcher { std::make_unique<OOKProcessor>() };
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event_dispatcher.run();
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return 0;
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EventDispatcher event_dispatcher{std::make_unique<OOKProcessor>()};
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event_dispatcher.run();
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return 0;
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}
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