Thomas Shufps
GitHub
commit
8251f462a1
@ -48,9 +48,6 @@ typedef struct __attribute__((__packed__))
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static const char *TAG = "bm1397Module";
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static uint8_t asic_response_buffer[CHUNK_SIZE];
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static task_result result;
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uint32_t increment_bitmask(const uint32_t value, const uint32_t mask);
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/// @brief
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@ -195,7 +192,7 @@ void BM1397_send_hash_frequency(float frequency)
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vTaskDelay(10 / portTICK_PERIOD_MS);
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ESP_LOGI(TAG, "Setting Frequency to %.2fMHz (%.2f)", frequency, newf);
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Serial.printf("Setting Frequency to %.2fMHz (%.2f)\n", frequency, newf);
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}
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@ -203,18 +200,19 @@ static uint8_t _send_init(uint64_t frequency, uint16_t asic_count)
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{
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// send the init command
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_send_read_address();
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uint8_t buf[11] = {0};
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int chip_counter = 0;
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while (true) {
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int received = SERIAL_rx(asic_response_buffer, 11, 1000);
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int received = SERIAL_rx(buf, 11, 1000);
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if (received > 0) {
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ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
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//ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
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chip_counter++;
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} else {
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break;
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}
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}
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ESP_LOGI(TAG, "%i chip(s) detected on the chain, expected %i", chip_counter, asic_count);
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Serial.printf("%i chip(s) detected on the chain, expected %i\n", chip_counter, asic_count);
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// send serial data
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vTaskDelay(SLEEP_TIME / portTICK_PERIOD_MS);
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@ -269,9 +267,7 @@ static void _reset(void)
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uint8_t BM1397_init(uint64_t frequency, uint16_t asic_count)
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{
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ESP_LOGI(TAG, "Initializing BM1397");
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memset(asic_response_buffer, 0, sizeof(asic_response_buffer));
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Serial.println("Initializing BM1397");
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gpio_set_direction(NERD_NOS_GPIO_PEN, GPIO_MODE_OUTPUT);
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gpio_set_level(NERD_NOS_GPIO_PEN, 1);
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@ -299,7 +295,7 @@ int BM1397_set_default_baud(void)
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int BM1397_set_max_baud(void)
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{
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// divider of 0 for 3,125,000
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ESP_LOGI(TAG, "Setting max baud of 3125000");
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Serial.println("Setting max baud of 3125000");
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unsigned char baudrate[9] = {0x00, MISC_CONTROL, 0x00, 0x00, 0b01100000, 0b00110001};
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; // baudrate - misc_control
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_send_BM1397((TYPE_CMD | GROUP_ALL | CMD_WRITE), baudrate, 6, BM1397_SERIALTX_DEBUG);
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@ -330,7 +326,7 @@ void BM1397_set_job_difficulty_mask(int difficulty)
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job_difficulty_mask[5 - i] = reverse_bits(value);
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}
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ESP_LOGI(TAG, "Setting job ASIC mask to %d", difficulty);
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Serial.printf("Setting job ASIC mask to %d\n", difficulty);
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_send_BM1397((TYPE_CMD | GROUP_ALL | CMD_WRITE), job_difficulty_mask, 6, BM1397_SERIALTX_DEBUG);
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}
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@ -361,45 +357,47 @@ void BM1397_send_work(bm_job_t *next_bm_job, uint8_t job_id)
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_send_BM1397((TYPE_JOB | GROUP_SINGLE | CMD_WRITE), (uint8_t*) &job, sizeof(job_packet_t), BM1397_DEBUG_WORK);
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}
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asic_result *BM1397_receive_work(uint16_t timeout)
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bool BM1397_receive_work(uint16_t timeout, asic_result *result)
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{
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uint8_t *rcv_buf = (uint8_t*) result;
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// wait for a response, wait time is pretty arbitrary
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int received = SERIAL_rx(asic_response_buffer, 9, timeout);
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int received = SERIAL_rx(rcv_buf, 9, timeout);
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if (received < 0)
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{
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ESP_LOGI(TAG, "Error in serial RX");
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return NULL;
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Serial.println("Error in serial RX");
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return false;
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}
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else if (received == 0)
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{
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// Didn't find a solution, restart and try again
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return NULL;
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return false;
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}
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if (received != 9 || asic_response_buffer[0] != 0xAA || asic_response_buffer[1] != 0x55)
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if (received != 9 || rcv_buf[0] != 0xAA || rcv_buf[1] != 0x55)
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{
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ESP_LOGI(TAG, "Serial RX invalid %i", received);
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ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
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return NULL;
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Serial.println("Serial RX invalid. Resetting receive buffer ...");
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//ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
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SERIAL_clear_buffer();
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return false;
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}
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return true;
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return (asic_result *)asic_response_buffer;
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}
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task_result *BM1397_proccess_work(uint32_t version, uint16_t timeout)
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bool BM1397_proccess_work(uint32_t version, uint16_t timeout, task_result *result)
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{
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asic_result *asic_result = BM1397_receive_work(timeout);
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asic_result asic_result;
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if (asic_result == NULL)
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if (!BM1397_receive_work(timeout, &asic_result))
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{
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ESP_LOGI(TAG, "return null");
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return NULL;
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return false;
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}
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uint8_t rx_job_id = (asic_result->job_id & 0xfc) >> 2;
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uint8_t rx_midstate_index = asic_result->job_id & 0x03;
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uint8_t rx_job_id = (asic_result.job_id & 0xfc) >> 2;
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uint8_t rx_midstate_index = asic_result.job_id & 0x03;
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uint32_t rolled_version = version;
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for (int i = 0; i < rx_midstate_index; i++)
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@ -407,10 +405,10 @@ task_result *BM1397_proccess_work(uint32_t version, uint16_t timeout)
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rolled_version = increment_bitmask(rolled_version, 0x1fffe000);
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}
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result.job_id = rx_job_id;
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result.nonce = asic_result->nonce;
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result.rolled_version = rolled_version;
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result->job_id = rx_job_id;
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result->nonce = asic_result.nonce;
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result->rolled_version = rolled_version;
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return &result;
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return true;
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}
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@ -17,5 +17,5 @@ void BM1397_set_job_difficulty_mask(int);
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int BM1397_set_max_baud(void);
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int BM1397_set_default_baud(void);
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void BM1397_send_hash_frequency(float frequency);
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task_result *BM1397_proccess_work(uint32_t version, uint16_t timeout);
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bool BM1397_proccess_work(uint32_t version, uint16_t timeout, task_result *result);
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@ -62,8 +62,9 @@ static void calculate_merkle_root_hash(const char *coinbase_tx, mining_job* job,
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double_sha256_bin(coinbase_tx_bin, coinbase_tx_bin_len, new_root);
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memcpy(both_merkles, new_root, 32);
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for (size_t i = 0; i < job->merkle_branch.size(); i++) {
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hex2bin((const char*) job->merkle_branch[i], &both_merkles[32], 32);
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for (size_t i = 0; i < job->merkle_branch_size; i++) {
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const char* m = job->merkle_branch[i].c_str();
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hex2bin(m, &both_merkles[32], 32);
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double_sha256_bin(both_merkles, 64, new_root);
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memcpy(both_merkles, new_root, 32);
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}
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@ -140,8 +141,8 @@ void nerdnos_send_work(bm_job_t *next_bm_job, uint8_t job_id) {
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BM1397_send_work(next_bm_job, job_id);
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}
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task_result *nerdnos_proccess_work(uint32_t version, uint16_t timeout) {
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return BM1397_proccess_work(version, timeout);
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bool nerdnos_proccess_work(uint32_t version, uint16_t timeout, task_result *result) {
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return BM1397_proccess_work(version, timeout, result);
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}
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void nerdnos_free_bm_job(bm_job_t *job) {
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@ -16,7 +16,7 @@ void nerdnos_create_job(mining_subscribe *mWorker, mining_job *job, bm_job_t *ne
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void nerdnos_send_work(bm_job_t *next_bm_job, uint8_t job_id);
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// receive and process responses
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task_result *nerdnos_proccess_work(uint32_t version, uint16_t timeout);
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bool nerdnos_proccess_work(uint32_t version, uint16_t timeout, task_result *result);
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// test difficulty
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double nerdnos_test_nonce_value(const bm_job_t *job, const uint32_t nonce, const uint32_t rolled_version, uint8_t hash_result[32]);
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@ -51,8 +51,8 @@ int SERIAL_send(uint8_t *data, int len, bool debug)
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return uart_write_bytes(UART_NUM_1, (const char *)data, len);
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}
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int SERIAL_check_for_data() {
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int length;
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size_t SERIAL_check_for_data() {
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size_t length;
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uart_get_buffered_data_len(UART_NUM_1, (size_t*)&length);
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return length;
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}
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@ -65,7 +65,9 @@ int SERIAL_check_for_data() {
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int16_t SERIAL_rx(uint8_t *buf, uint16_t size, uint16_t timeout_ms)
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{
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// don't return incomplete data
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if (SERIAL_check_for_data() < size) {
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size_t available = SERIAL_check_for_data();
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if (available && available < size) {
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Serial.printf("not returning parts of data ... %d vs %d\n", (int) available, (int) size);
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return 0;
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}
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@ -127,6 +127,24 @@ uint8_t hex2val(char c)
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}
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}
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bool is_hex_digit(char c) {
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return ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'));
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}
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bool is_hex_string(const char* str) {
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// Check if the string is exactly 64 characters long
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if (strlen(str) != 64) {
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return false;
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}
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// Check if each character is a valid hexadecimal digit
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for (size_t i = 0; i < 64; i++) {
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if (!is_hex_digit(str[i])) {
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return false;
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}
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}
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return true;
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}
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size_t hex2bin(const char *hex, uint8_t *bin, size_t bin_len)
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{
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size_t len = 0;
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@ -2,6 +2,7 @@
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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int hex2char(uint8_t x, char *c);
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@ -38,3 +39,6 @@ unsigned char reverse_bits(unsigned char num);
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int largest_power_of_two(int num);
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uint32_t increment_bitmask(const uint32_t value, const uint32_t mask);
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bool is_hex_digit(char c);
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bool is_hex_string(const char* str);
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@ -40,7 +40,7 @@ static bm_job_t asic_jobs[ASIC_JOB_COUNT] = {0};
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typedef struct {
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uint32_t diffs[ASIC_HISTORY_SIZE];
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uint32_t timestamps[ASIC_HISTORY_SIZE];
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uint64_t timestamps[ASIC_HISTORY_SIZE];
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uint32_t newest;
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uint32_t oldest;
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uint64_t sum;
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@ -78,7 +78,7 @@ static void calculate_hashrate(history_t *history, uint32_t diff) {
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history->diffs[history->newest % ASIC_HISTORY_SIZE] = diff;
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// micros() wraps around after about 71.58min because it's 32bit casted from 64bit timer :facepalm:
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history->timestamps[history->newest % ASIC_HISTORY_SIZE] = esp_timer_get_time();
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history->timestamps[history->newest % ASIC_HISTORY_SIZE] = (uint64_t) esp_timer_get_time();
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uint64_t oldest_timestamp = history->timestamps[history->oldest % ASIC_HISTORY_SIZE];
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uint64_t newest_timestamp = history->timestamps[history->newest % ASIC_HISTORY_SIZE];
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@ -172,15 +172,11 @@ void runASIC(void * task_id) {
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// send the job and
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nerdnos_send_work(&asic_jobs[asic_job_id], asic_job_id);
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// the pointer returned is the RS232 receive buffer :shushing-face:
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// but we only have a single thread so it should be okay
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// process all results if we have more than one
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// this is okay because serial uses a buffer and (most likely^^) DMA
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task_result *result = NULL;
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while ((result = nerdnos_proccess_work(version, 1)) != NULL) {
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task_result result = {0};
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while (nerdnos_proccess_work(version, 1, &result)) {
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// check if the ID is in the valid range and the slot is not empty
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if (result->job_id >= ASIC_JOB_COUNT || !asic_jobs[result->job_id].ntime) {
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Serial.printf("Invalid job ID or no job found for ID %02x\n", result->job_id);
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if (result.job_id >= ASIC_JOB_COUNT || !asic_jobs[result.job_id].ntime) {
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Serial.printf("Invalid job ID or no job found for ID %02x\n", result.job_id);
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continue;
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}
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@ -188,9 +184,9 @@ void runASIC(void * task_id) {
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// check the nonce difficulty
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double diff_hash = nerdnos_test_nonce_value(
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&asic_jobs[result->job_id],
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result->nonce,
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result->rolled_version,
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&asic_jobs[result.job_id],
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result.nonce,
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result.rolled_version,
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hash);
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// update best diff
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@ -199,14 +195,14 @@ void runASIC(void * task_id) {
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}
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// calculate the hashrate
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if (diff_hash >= asic_jobs[result->job_id].pool_diff) {
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calculate_hashrate(&history, asic_jobs[result->job_id].pool_diff);
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if (diff_hash >= asic_jobs[result.job_id].pool_diff) {
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calculate_hashrate(&history, asic_jobs[result.job_id].pool_diff);
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Serial.printf("avg hashrate: %.2fGH/s (history spans %.2fs, %d shares)\n", history.avg_gh, history.duration, history.shares);
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}
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if(diff_hash > mMiner.poolDifficulty)
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{
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tx_mining_submit_asic(client, mWorker, &asic_jobs[result->job_id], result);
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tx_mining_submit_asic(client, mWorker, &asic_jobs[result.job_id], &result);
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Serial.println("valid share!");
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Serial.printf(" - Current diff share: %.3f\n", diff_hash);
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Serial.printf(" - Current pool diff : %.3f\n", mMiner.poolDifficulty);
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@ -250,7 +250,7 @@ String getCurrentTemperature() {
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}
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String getCurrentVCore() {
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return String(nerdnos_get_vcore(), 2);
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return String(nerdnos_get_vcore(), 0);
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}
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#else
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String getCurrentHashRate(unsigned long mElapsed)
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@ -263,7 +263,7 @@ String getCurrentTemperature() {
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}
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String getCurrentVCore() {
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return String(0.0, 2);
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return String(0.0, 0);
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}
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#endif
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@ -188,7 +188,20 @@ bool parse_mining_notify(String line, mining_job& mJob)
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mJob.prev_block_hash = String((const char*) doc["params"][1]);
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mJob.coinb1 = String((const char*) doc["params"][2]);
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mJob.coinb2 = String((const char*) doc["params"][3]);
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mJob.merkle_branch = doc["params"][4];
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// this only copies references to the static json buffer
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// and can lead to crashes when there is a new stratum response
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// and the content of the array is still needed like on NerdNOS
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// that computes the merkle tree new each 30ms^^
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//mJob.merkle_branch = doc["params"][4];
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// This copies the merkle branch
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JsonArray merkle_tree = doc["params"][4];
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mJob.merkle_branch_size = merkle_tree.size();
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for (size_t i = 0; i < mJob.merkle_branch_size; i++) {
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mJob.merkle_branch[i] = String((const char*) merkle_tree[i]);
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}
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mJob.version = String((const char*) doc["params"][5]);
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mJob.nbits = String((const char*) doc["params"][6]);
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mJob.ntime = String((const char*) doc["params"][7]);
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@ -31,7 +31,8 @@ typedef struct mining_job {
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String coinb1;
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String coinb2;
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String nbits;
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JsonArray merkle_branch;
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String merkle_branch[MAX_MERKLE_BRANCHES];
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size_t merkle_branch_size;
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String version;
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uint32_t target;
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String ntime;
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@ -254,8 +254,8 @@ miner_data calculateMiningData(mining_subscribe& mWorker, mining_job mJob){
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memcpy(mMiner.merkle_result, shaResult, sizeof(shaResult));
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byte merkle_concatenated[32 * 2];
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for (size_t k=0; k < mJob.merkle_branch.size(); k++) {
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const char* merkle_element = (const char*) mJob.merkle_branch[k];
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for (size_t k=0; k < mJob.merkle_branch_size; k++) {
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const char* merkle_element = (const char*) mJob.merkle_branch[k].c_str();
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uint8_t bytearray[32];
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size_t res = to_byte_array(merkle_element, 64, bytearray);
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