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ESP-Miner/main/system.c
Skot Croshere 9516fcc331 lowercase k means 1000
2023-07-01 14:24:02 -04:00

436 lines
12 KiB
C
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#include <stdio.h>
#include <string.h>
#include "esp_log.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "led_controller.h"
#include "DS4432U.h"
#include "EMC2101.h"
#include "INA260.h"
#include "adc.h"
#include "oled.h"
#include <sys/time.h>
#include "system.h"
#include <stdint.h>
#include <math.h>
#include <inttypes.h>
#include "global_state.h"
static const char *TAG = "SystemModule";
#define BM1397_VOLTAGE CONFIG_BM1397_VOLTAGE
static void _suffix_string(uint64_t, char *, size_t, int);
static void _init_system(SystemModule* module) {
module->duration_start = 0;
module->historical_hashrate_rolling_index = 0;
module->historical_hashrate_init = 0;
module->current_hashrate = 0;
module->screen_page = 0;
module->shares_accepted = 0;
module->shares_rejected = 0;
module->best_nonce_diff = 0;
module->start_time = esp_timer_get_time();
module->lastClockSync = 0;
module->FOUND_BLOCK = false;
module->startup_done = false;
//set the best diff string to 0
_suffix_string(0, module->best_diff_string, DIFF_STRING_SIZE, 0);
//set the ssid string to blank
memset(module->ssid, 0, 20);
//set the wifi_status to blank
memset(module->wifi_status, 0, 20);
//test the LEDs
// ESP_LOGI(TAG, "Init LEDs!");
// ledc_init();
// led_set();
//Playing with BI level
gpio_set_direction(GPIO_NUM_10, GPIO_MODE_OUTPUT);
gpio_set_level(GPIO_NUM_10, 0);
//Init I2C
ESP_ERROR_CHECK(i2c_master_init());
ESP_LOGI(TAG, "I2C initialized successfully");
ADC_init();
//DS4432U tests
DS4432U_set_vcore(BM1397_VOLTAGE / 1000.0);
//Fan Tests
EMC2101_init();
EMC2101_set_fan_speed(0.75);
vTaskDelay(500 / portTICK_RATE_MS);
//oled
if (!OLED_init()) {
ESP_LOGI(TAG, "OLED init failed!");
} else {
ESP_LOGI(TAG, "OLED init success!");
//clear the oled screen
OLED_fill(0);
}
}
static void _update_hashrate(SystemModule* module){
if(module->screen_page != 0){
return;
}
float power = INA260_read_power() / 1000;
float efficiency = power / (module->current_hashrate/1000.0);
OLED_clearLine(0);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "Gh%s: %.1f W/Th: %.1f", module->historical_hashrate_init < HISTORY_LENGTH ? "*": "", module->current_hashrate, efficiency);
OLED_writeString(0, 0, module->oled_buf);
}
static void _update_shares(SystemModule* module){
if(module->screen_page != 0){
return;
}
OLED_clearLine(1);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "A/R: %u/%u", module->shares_accepted, module->shares_rejected);
OLED_writeString(0, 1, module->oled_buf);
}
static void _update_best_diff(SystemModule* module){
if(module->screen_page != 0){
return;
}
OLED_clearLine(3);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, module->FOUND_BLOCK ? "!!! BLOCK FOUND !!!" : "BD: %s", module->best_diff_string);
OLED_writeString(0, 3, module->oled_buf);
}
static void _clear_display(void){
OLED_clearLine(0);
OLED_clearLine(1);
OLED_clearLine(2);
OLED_clearLine(3);
}
static void _update_system_info(GlobalState *GLOBAL_STATE) {
SystemModule * module = &GLOBAL_STATE->SYSTEM_MODULE;
PowerManagementModule * power_management = &GLOBAL_STATE->POWER_MANAGEMENT_MODULE;
if (OLED_status()) {
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, " Fan: %d RPM", power_management->fan_speed);
OLED_writeString(0, 0, module->oled_buf);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "Temp: %.1f C", power_management->chip_temp);
OLED_writeString(0, 1, module->oled_buf);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, " Pwr: %.3f W", power_management->power);
OLED_writeString(0, 2, module->oled_buf);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, " %i mV: %i mA",(int)power_management->voltage, (int)power_management->current);
OLED_writeString(0, 3, module->oled_buf);
}
}
static void _update_esp32_info(SystemModule* module) {
uint32_t free_heap_size = esp_get_free_heap_size();
uint16_t vcore = ADC_get_vcore();
if (OLED_status()) {
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "FH: %u bytes", free_heap_size);
OLED_writeString(0, 0, module->oled_buf);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "vCore: %u mV", vcore);
OLED_writeString(0, 1, module->oled_buf);
// memset(oled_buf, 0, 20);
// snprintf(oled_buf, 20, "Pwr: %.2f W", power);
// OLED_writeString(0, 2, oled_buf);
}
}
static void _init_connection(SystemModule* module) {
if (OLED_status()) {
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "Connecting to ssid:");
OLED_writeString(0, 0, module->oled_buf);
}
}
static void _update_connection(SystemModule* module) {
if (OLED_status()) {
OLED_clearLine(2);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "%s", module->ssid);
OLED_writeString(0, 1, module->oled_buf);
OLED_clearLine(3);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "%s", module->wifi_status);
OLED_writeString(0, 3, module->oled_buf);
}
}
static void _update_system_performance(SystemModule* module){
// Calculate the uptime in seconds
double uptime_in_seconds = (esp_timer_get_time() - module->start_time) / 1000000;
int uptime_in_days = uptime_in_seconds / (3600 * 24);
int remaining_seconds = (int)uptime_in_seconds % (3600 * 24);
int uptime_in_hours = remaining_seconds / 3600;
remaining_seconds %= 3600;
int uptime_in_minutes = remaining_seconds / 60;
if (OLED_status()) {
_update_hashrate(module);
_update_shares(module);
_update_best_diff(module);
memset(module->oled_buf, 0, 20);
snprintf(module->oled_buf, 20, "UT: %dd %ih %im", uptime_in_days, uptime_in_hours, uptime_in_minutes);
OLED_writeString(0, 2, module->oled_buf);
}
}
static double _calculate_network_difficulty(uint32_t nBits) {
uint32_t mantissa = nBits & 0x007fffff; // Extract the mantissa from nBits
uint8_t exponent = (nBits >> 24) & 0xff; // Extract the exponent from nBits
double target = (double)mantissa * pow(256,(exponent - 3)); // Calculate the target value
double difficulty = (pow(2, 208) * 65535) / target; // Calculate the difficulty
return difficulty;
}
static void _check_for_best_diff(SystemModule * module, double diff, uint32_t nbits){
if(diff < module->best_nonce_diff){
return;
}
module->best_nonce_diff = diff;
//make the best_nonce_diff into a string
_suffix_string((uint64_t)diff, module->best_diff_string, DIFF_STRING_SIZE, 0);
double network_diff = _calculate_network_difficulty(nbits);
if(diff > network_diff){
module->FOUND_BLOCK = true;
ESP_LOGI(TAG, "FOUND BLOCK!!!!!!!!!!!!!!!!!!!!!! %f > %f", diff, network_diff);
}
ESP_LOGI(TAG, "Network diff: %f", network_diff);
}
/* Convert a uint64_t value into a truncated string for displaying with its
* associated suitable for Mega, Giga etc. Buf array needs to be long enough */
static void _suffix_string(uint64_t val, char *buf, size_t bufsiz, int sigdigits) {
const double dkilo = 1000.0;
const uint64_t kilo = 1000ull;
const uint64_t mega = 1000000ull;
const uint64_t giga = 1000000000ull;
const uint64_t tera = 1000000000000ull;
const uint64_t peta = 1000000000000000ull;
const uint64_t exa = 1000000000000000000ull;
char suffix[2] = "";
bool decimal = true;
double dval;
if (val >= exa) {
val /= peta;
dval = (double)val / dkilo;
strcpy(suffix, "E");
} else if (val >= peta) {
val /= tera;
dval = (double)val / dkilo;
strcpy(suffix, "P");
} else if (val >= tera) {
val /= giga;
dval = (double)val / dkilo;
strcpy(suffix, "T");
} else if (val >= giga) {
val /= mega;
dval = (double)val / dkilo;
strcpy(suffix, "G");
} else if (val >= mega) {
val /= kilo;
dval = (double)val / dkilo;
strcpy(suffix, "M");
} else if (val >= kilo) {
dval = (double)val / dkilo;
strcpy(suffix, "k");
} else {
dval = val;
decimal = false;
}
if (!sigdigits) {
if (decimal)
snprintf(buf, bufsiz, "%.3g%s", dval, suffix);
else
snprintf(buf, bufsiz, "%d%s", (unsigned int)dval, suffix);
} else {
/* Always show sigdigits + 1, padded on right with zeroes
* followed by suffix */
int ndigits = sigdigits - 1 - (dval > 0.0 ? floor(log10(dval)) : 0);
snprintf(buf, bufsiz, "%*.*f%s", sigdigits + 1, ndigits, dval, suffix);
}
}
void SYSTEM_task(void *pvParameters) {
GlobalState *GLOBAL_STATE = (GlobalState*)pvParameters;
SystemModule *module = &GLOBAL_STATE->SYSTEM_MODULE;
_init_system(module);
_clear_display();
_init_connection(module);
//show the connection screen
while (!module->startup_done) {
_update_connection(module);
vTaskDelay(100 / portTICK_RATE_MS);
}
while(1){
_clear_display();
module->screen_page = 0;
_update_system_performance(module);
vTaskDelay(40000 / portTICK_RATE_MS);
_clear_display();
module->screen_page = 1;
_update_system_info(GLOBAL_STATE);
vTaskDelay(10000 / portTICK_RATE_MS);
_clear_display();
module->screen_page = 2;
_update_esp32_info(module);
vTaskDelay(10000 / portTICK_RATE_MS);
}
}
void SYSTEM_notify_accepted_share(SystemModule* module){
module->shares_accepted++;
_update_shares(module);
}
void SYSTEM_notify_rejected_share(SystemModule* module){
module->shares_rejected++;
_update_shares(module);
}
void SYSTEM_notify_mining_started(SystemModule* module){
module->duration_start = esp_timer_get_time();
}
void SYSTEM_notify_new_ntime(SystemModule* module, uint32_t ntime){
// Hourly clock sync
if(module->lastClockSync + (60 * 60) > ntime){
return;
}
ESP_LOGI(TAG, "Syncing clock");
module->lastClockSync = ntime;
struct timeval tv;
tv.tv_sec = ntime;
tv.tv_usec = 0;
settimeofday(&tv, NULL);
}
void SYSTEM_notify_found_nonce(SystemModule* module, double pool_diff, double found_diff, uint32_t nbits){
// Calculate the time difference in seconds with sub-second precision
// hashrate = (nonce_difficulty * 2^32) / time_to_find
module->historical_hashrate[module->historical_hashrate_rolling_index] = pool_diff;
module->historical_hashrate_time_stamps[module->historical_hashrate_rolling_index] = esp_timer_get_time();
module->historical_hashrate_rolling_index = (module->historical_hashrate_rolling_index + 1) % HISTORY_LENGTH;
//ESP_LOGI(TAG, "nonce_diff %.1f, ttf %.1f, res %.1f", nonce_diff, duration, historical_hashrate[historical_hashrate_rolling_index]);
if(module->historical_hashrate_init < HISTORY_LENGTH){
module->historical_hashrate_init++;
}else{
module->duration_start = module->historical_hashrate_time_stamps[(module->historical_hashrate_rolling_index + 1) % HISTORY_LENGTH];
}
double sum = 0;
for (int i = 0; i < module->historical_hashrate_init; i++) {
sum += module->historical_hashrate[i];
}
double duration = (double)(esp_timer_get_time() - module->duration_start) / 1000000;
double rolling_rate = (sum * 4294967296) / (duration * 1000000000);
if(module->historical_hashrate_init < HISTORY_LENGTH){
module->current_hashrate = rolling_rate;
}else{
// More smoothing
module->current_hashrate = ((module->current_hashrate * 9) + rolling_rate)/10;
}
_update_hashrate(module);
// logArrayContents(historical_hashrate, HISTORY_LENGTH);
// logArrayContents(historical_hashrate_time_stamps, HISTORY_LENGTH);
_check_for_best_diff(module, found_diff, nbits);
}
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