mirror of
https://github.com/skot/ESP-Miner.git
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61042d93ae
* Put all GPIO defines in gpio_bitaxe.h * Whitespace * Use Kconfig.projbuild * Missing Kconfig
447 lines
14 KiB
C
447 lines
14 KiB
C
#include "bm1368.h"
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#include "crc.h"
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#include "global_state.h"
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#include "serial.h"
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#include "utils.h"
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#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include <math.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define GPIO_ASIC_RESET CONFIG_GPIO_ASIC_RESET
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#define TYPE_JOB 0x20
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#define TYPE_CMD 0x40
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#define GROUP_SINGLE 0x00
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#define GROUP_ALL 0x10
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#define CMD_JOB 0x01
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#define CMD_SETADDRESS 0x00
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#define CMD_WRITE 0x01
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#define CMD_READ 0x02
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#define CMD_INACTIVE 0x03
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#define RESPONSE_CMD 0x00
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#define RESPONSE_JOB 0x80
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#define SLEEP_TIME 20
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#define FREQ_MULT 25.0
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#define CLOCK_ORDER_CONTROL_0 0x80
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#define CLOCK_ORDER_CONTROL_1 0x84
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#define ORDERED_CLOCK_ENABLE 0x20
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#define CORE_REGISTER_CONTROL 0x3C
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#define PLL3_PARAMETER 0x68
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#define FAST_UART_CONFIGURATION 0x28
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#define TICKET_MASK 0x14
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#define MISC_CONTROL 0x18
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#define BM1368_TIMEOUT_MS 10000
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#define BM1368_TIMEOUT_THRESHOLD 2
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typedef struct __attribute__((__packed__))
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{
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uint8_t preamble[2];
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uint32_t nonce;
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uint8_t midstate_num;
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uint8_t job_id;
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uint16_t version;
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uint8_t crc;
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} asic_result;
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static const char * TAG = "bm1368Module";
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static uint8_t asic_response_buffer[CHUNK_SIZE];
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static task_result result;
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static float current_frequency = 56.25;
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static void _send_BM1368(uint8_t header, uint8_t * data, uint8_t data_len, bool debug)
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{
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packet_type_t packet_type = (header & TYPE_JOB) ? JOB_PACKET : CMD_PACKET;
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uint8_t total_length = (packet_type == JOB_PACKET) ? (data_len + 6) : (data_len + 5);
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unsigned char * buf = malloc(total_length);
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buf[0] = 0x55;
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buf[1] = 0xAA;
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buf[2] = header;
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buf[3] = (packet_type == JOB_PACKET) ? (data_len + 4) : (data_len + 3);
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memcpy(buf + 4, data, data_len);
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if (packet_type == JOB_PACKET) {
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uint16_t crc16_total = crc16_false(buf + 2, data_len + 2);
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buf[4 + data_len] = (crc16_total >> 8) & 0xFF;
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buf[5 + data_len] = crc16_total & 0xFF;
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} else {
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buf[4 + data_len] = crc5(buf + 2, data_len + 2);
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}
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SERIAL_send(buf, total_length, debug);
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free(buf);
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}
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static void _send_simple(uint8_t * data, uint8_t total_length)
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{
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unsigned char * buf = malloc(total_length);
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memcpy(buf, data, total_length);
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SERIAL_send(buf, total_length, BM1368_SERIALTX_DEBUG);
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free(buf);
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}
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static void _send_chain_inactive(void)
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{
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unsigned char read_address[2] = {0x00, 0x00};
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_send_BM1368((TYPE_CMD | GROUP_ALL | CMD_INACTIVE), read_address, 2, BM1368_SERIALTX_DEBUG);
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}
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static void _set_chip_address(uint8_t chipAddr)
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{
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unsigned char read_address[2] = {chipAddr, 0x00};
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_send_BM1368((TYPE_CMD | GROUP_SINGLE | CMD_SETADDRESS), read_address, 2, BM1368_SERIALTX_DEBUG);
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}
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void BM1368_set_version_mask(uint32_t version_mask)
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{
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int versions_to_roll = version_mask >> 13;
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uint8_t version_byte0 = (versions_to_roll >> 8);
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uint8_t version_byte1 = (versions_to_roll & 0xFF);
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uint8_t version_cmd[] = {0x00, 0xA4, 0x90, 0x00, version_byte0, version_byte1};
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_send_BM1368(TYPE_CMD | GROUP_ALL | CMD_WRITE, version_cmd, 6, BM1368_SERIALTX_DEBUG);
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}
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static void _reset(void)
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{
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gpio_set_level(GPIO_ASIC_RESET, 0);
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vTaskDelay(100 / portTICK_PERIOD_MS);
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gpio_set_level(GPIO_ASIC_RESET, 1);
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vTaskDelay(100 / portTICK_PERIOD_MS);
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}
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bool BM1368_send_hash_frequency(float target_freq) {
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float max_diff = 0.001;
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uint8_t freqbuf[6] = {0x00, 0x08, 0x40, 0xA0, 0x02, 0x41};
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uint8_t postdiv_min = 255;
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uint8_t postdiv2_min = 255;
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float best_freq = 0;
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uint8_t best_refdiv = 0, best_fbdiv = 0, best_postdiv1 = 0, best_postdiv2 = 0;
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bool found = false;
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for (uint8_t refdiv = 2; refdiv > 0; refdiv--) {
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for (uint8_t postdiv1 = 7; postdiv1 > 0; postdiv1--) {
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for (uint8_t postdiv2 = 7; postdiv2 > 0; postdiv2--) {
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uint16_t fb_divider = round(target_freq / 25.0 * (refdiv * postdiv2 * postdiv1));
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float newf = 25.0 * fb_divider / (refdiv * postdiv2 * postdiv1);
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if (fb_divider >= 144 && fb_divider <= 235 &&
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fabs(target_freq - newf) < max_diff &&
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postdiv1 >= postdiv2 &&
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postdiv1 * postdiv2 < postdiv_min &&
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postdiv2 <= postdiv2_min) {
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postdiv2_min = postdiv2;
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postdiv_min = postdiv1 * postdiv2;
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best_freq = newf;
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best_refdiv = refdiv;
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best_fbdiv = fb_divider;
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best_postdiv1 = postdiv1;
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best_postdiv2 = postdiv2;
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found = true;
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}
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}
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}
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}
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if (!found) {
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ESP_LOGE(TAG, "Didn't find PLL settings for target frequency %.2f", target_freq);
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return false;
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}
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freqbuf[2] = (best_fbdiv * 25 / best_refdiv >= 2400) ? 0x50 : 0x40;
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freqbuf[3] = best_fbdiv;
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freqbuf[4] = best_refdiv;
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freqbuf[5] = (((best_postdiv1 - 1) & 0xf) << 4) | ((best_postdiv2 - 1) & 0xf);
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_send_BM1368(TYPE_CMD | GROUP_ALL | CMD_WRITE, freqbuf, sizeof(freqbuf), BM1368_SERIALTX_DEBUG);
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ESP_LOGI(TAG, "Setting Frequency to %.2fMHz (%.2f)", target_freq, best_freq);
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current_frequency = target_freq;
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return true;
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}
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bool do_frequency_transition(float target_frequency) {
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float step = 6.25;
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float current = current_frequency;
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float target = target_frequency;
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float direction = (target > current) ? step : -step;
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if (fmod(current, step) != 0) {
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float next_dividable;
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if (direction > 0) {
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next_dividable = ceil(current / step) * step;
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} else {
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next_dividable = floor(current / step) * step;
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}
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current = next_dividable;
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BM1368_send_hash_frequency(current);
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vTaskDelay(100 / portTICK_PERIOD_MS);
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}
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while ((direction > 0 && current < target) || (direction < 0 && current > target)) {
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float next_step = fmin(fabs(direction), fabs(target - current));
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current += direction > 0 ? next_step : -next_step;
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BM1368_send_hash_frequency(current);
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vTaskDelay(100 / portTICK_PERIOD_MS);
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}
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BM1368_send_hash_frequency(target);
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return true;
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}
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bool BM1368_set_frequency(float target_freq) {
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return do_frequency_transition(target_freq);
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}
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static int count_asic_chips(void) {
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_send_BM1368(TYPE_CMD | GROUP_ALL | CMD_READ, (uint8_t[]){0x00, 0x00}, 2, false);
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int chip_counter = 0;
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while (true) {
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if (SERIAL_rx(asic_response_buffer, 11, 5000) <= 0) {
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break;
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}
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if (memcmp(asic_response_buffer, "\xaa\x55\x13\x68\x00\x00", 6) == 0) {
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chip_counter++;
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}
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}
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_send_chain_inactive();
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return chip_counter;
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}
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static void do_frequency_ramp_up(float target_frequency) {
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ESP_LOGI(TAG, "Ramping up frequency from %.2f MHz to %.2f MHz", current_frequency, target_frequency);
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do_frequency_transition(target_frequency);
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}
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uint8_t BM1368_init(uint64_t frequency, uint16_t asic_count)
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{
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ESP_LOGI(TAG, "Initializing BM1368");
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memset(asic_response_buffer, 0, CHUNK_SIZE);
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esp_rom_gpio_pad_select_gpio(GPIO_ASIC_RESET);
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gpio_set_direction(GPIO_ASIC_RESET, GPIO_MODE_OUTPUT);
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_reset();
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// set version mask
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for (int i = 0; i < 4; i++) {
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BM1368_set_version_mask(STRATUM_DEFAULT_VERSION_MASK);
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}
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int chip_counter = count_asic_chips();
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if (chip_counter != asic_count) {
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ESP_LOGE(TAG, "Chip count mismatch. Expected: %d, Actual: %d", asic_count, chip_counter);
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return 0;
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}
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uint8_t init_cmds[][6] = {
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{0x00, 0xA8, 0x00, 0x07, 0x00, 0x00},
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{0x00, 0x18, 0xFF, 0x0F, 0xC1, 0x00},
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{0x00, 0x3C, 0x80, 0x00, 0x8b, 0x00},
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{0x00, 0x3C, 0x80, 0x00, 0x80, 0x18},
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{0x00, 0x14, 0x00, 0x00, 0x00, 0xFF},
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{0x00, 0x54, 0x00, 0x00, 0x00, 0x03}, //Analog Mux
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{0x00, 0x58, 0x02, 0x11, 0x11, 0x11}
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};
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for (int i = 0; i < sizeof(init_cmds) / sizeof(init_cmds[0]); i++) {
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_send_BM1368(TYPE_CMD | GROUP_ALL | CMD_WRITE, init_cmds[i], 6, false);
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}
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uint8_t address_interval = (uint8_t) (256 / chip_counter);
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for (int i = 0; i < chip_counter; i++) {
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_set_chip_address(i * address_interval);
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}
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for (int i = 0; i < chip_counter; i++) {
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uint8_t chip_init_cmds[][6] = {
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{i * address_interval, 0xA8, 0x00, 0x07, 0x01, 0xF0},
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{i * address_interval, 0x18, 0xF0, 0x00, 0xC1, 0x00},
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{i * address_interval, 0x3C, 0x80, 0x00, 0x8b, 0x00},
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{i * address_interval, 0x3C, 0x80, 0x00, 0x80, 0x18},
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{i * address_interval, 0x3C, 0x80, 0x00, 0x82, 0xAA}
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};
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for (int j = 0; j < sizeof(chip_init_cmds) / sizeof(chip_init_cmds[0]); j++) {
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_send_BM1368(TYPE_CMD | GROUP_SINGLE | CMD_WRITE, chip_init_cmds[j], 6, false);
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}
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vTaskDelay(pdMS_TO_TICKS(500));
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}
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BM1368_set_job_difficulty_mask(BM1368_ASIC_DIFFICULTY);
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do_frequency_ramp_up((float)frequency);
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_send_BM1368(TYPE_CMD | GROUP_ALL | CMD_WRITE, (uint8_t[]){0x00, 0x10, 0x00, 0x00, 0x15, 0xa4}, 6, false);
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BM1368_set_version_mask(STRATUM_DEFAULT_VERSION_MASK);
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ESP_LOGI(TAG, "%i chip(s) detected on the chain, expected %i", chip_counter, asic_count);
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return chip_counter;
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}
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int BM1368_set_default_baud(void)
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{
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unsigned char baudrate[9] = {0x00, MISC_CONTROL, 0x00, 0x00, 0b01111010, 0b00110001};
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_send_BM1368((TYPE_CMD | GROUP_ALL | CMD_WRITE), baudrate, 6, BM1368_SERIALTX_DEBUG);
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return 115749;
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}
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int BM1368_set_max_baud(void)
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{
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ESP_LOGI(TAG, "Setting max baud of 1000000");
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unsigned char init8[11] = {0x55, 0xAA, 0x51, 0x09, 0x00, 0x28, 0x11, 0x30, 0x02, 0x00, 0x03};
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_send_simple(init8, 11);
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return 1000000;
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}
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void BM1368_set_job_difficulty_mask(int difficulty)
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{
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unsigned char job_difficulty_mask[9] = {0x00, TICKET_MASK, 0b00000000, 0b00000000, 0b00000000, 0b11111111};
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difficulty = _largest_power_of_two(difficulty) - 1;
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for (int i = 0; i < 4; i++) {
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char value = (difficulty >> (8 * i)) & 0xFF;
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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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_send_BM1368((TYPE_CMD | GROUP_ALL | CMD_WRITE), job_difficulty_mask, 6, BM1368_SERIALTX_DEBUG);
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}
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static uint8_t id = 0;
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void BM1368_send_work(void * pvParameters, bm_job * next_bm_job)
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{
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GlobalState * GLOBAL_STATE = (GlobalState *) pvParameters;
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BM1368_job job;
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id = (id + 24) % 128;
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job.job_id = id;
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job.num_midstates = 0x01;
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memcpy(&job.starting_nonce, &next_bm_job->starting_nonce, 4);
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memcpy(&job.nbits, &next_bm_job->target, 4);
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memcpy(&job.ntime, &next_bm_job->ntime, 4);
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memcpy(job.merkle_root, next_bm_job->merkle_root_be, 32);
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memcpy(job.prev_block_hash, next_bm_job->prev_block_hash_be, 32);
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memcpy(&job.version, &next_bm_job->version, 4);
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if (GLOBAL_STATE->ASIC_TASK_MODULE.active_jobs[job.job_id] != NULL) {
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free_bm_job(GLOBAL_STATE->ASIC_TASK_MODULE.active_jobs[job.job_id]);
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}
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GLOBAL_STATE->ASIC_TASK_MODULE.active_jobs[job.job_id] = next_bm_job;
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pthread_mutex_lock(&GLOBAL_STATE->valid_jobs_lock);
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GLOBAL_STATE->valid_jobs[job.job_id] = 1;
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pthread_mutex_unlock(&GLOBAL_STATE->valid_jobs_lock);
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#if BM1368_DEBUG_JOBS
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ESP_LOGI(TAG, "Send Job: %02X", job.job_id);
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#endif
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_send_BM1368((TYPE_JOB | GROUP_SINGLE | CMD_WRITE), (uint8_t *)&job, sizeof(BM1368_job), BM1368_DEBUG_WORK);
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}
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asic_result * BM1368_receive_work(void)
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{
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// wait for a response
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int received = SERIAL_rx(asic_response_buffer, 11, BM1368_TIMEOUT_MS);
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bool uart_err = received < 0;
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bool uart_timeout = received == 0;
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uint8_t asic_timeout_counter = 0;
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// handle response
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if (uart_err) {
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ESP_LOGI(TAG, "UART Error in serial RX");
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return NULL;
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} else if (uart_timeout) {
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if (asic_timeout_counter >= BM1368_TIMEOUT_THRESHOLD) {
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ESP_LOGE(TAG, "ASIC not sending data");
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asic_timeout_counter = 0;
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}
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asic_timeout_counter++;
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return NULL;
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}
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if (received != 11 || asic_response_buffer[0] != 0xAA || asic_response_buffer[1] != 0x55) {
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ESP_LOGE(TAG, "Serial RX invalid %i", received);
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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 NULL;
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}
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return (asic_result *) asic_response_buffer;
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}
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static uint16_t reverse_uint16(uint16_t num)
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{
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return (num >> 8) | (num << 8);
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}
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static uint32_t reverse_uint32(uint32_t val)
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{
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return ((val >> 24) & 0xff) |
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((val << 8) & 0xff0000) |
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((val >> 8) & 0xff00) |
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((val << 24) & 0xff000000);
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}
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task_result * BM1368_proccess_work(void * pvParameters)
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{
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asic_result * asic_result = BM1368_receive_work();
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if (asic_result == NULL) {
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return NULL;
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}
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uint8_t job_id = (asic_result->job_id & 0xf0) >> 1;
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uint8_t core_id = (uint8_t)((reverse_uint32(asic_result->nonce) >> 25) & 0x7f);
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uint8_t small_core_id = asic_result->job_id & 0x0f;
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uint32_t version_bits = (reverse_uint16(asic_result->version) << 13);
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ESP_LOGI(TAG, "Job ID: %02X, Core: %d/%d, Ver: %08" PRIX32, job_id, core_id, small_core_id, version_bits);
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GlobalState * GLOBAL_STATE = (GlobalState *) pvParameters;
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if (GLOBAL_STATE->valid_jobs[job_id] == 0) {
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ESP_LOGE(TAG, "Invalid job found, 0x%02X", job_id);
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return NULL;
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}
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uint32_t rolled_version = GLOBAL_STATE->ASIC_TASK_MODULE.active_jobs[job_id]->version | version_bits;
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result.job_id = 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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} |