fix temp

Nerdnos screens

src/drivers/displays/tDisplayDriver.cpp

@@ -3,7 +3,6 @@
 #ifdef T_DISPLAY
 
 #include <TFT_eSPI.h>
-#include "media/images_320_170.h"
 #include "media/myFonts.h"
 #include "media/Free_Fonts.h"
 #include "version.h"
@@ -11,6 +10,12 @@
 #include "OpenFontRender.h"
 #include "rotation.h"
 
+#ifdef NERD_NOS
+  #include "media/images_NOS_320_170.h"
+#else
+  #include "media/images_320_170.h"
+#endif
+
 #define WIDTH 340
 #define HEIGHT 170
 
@@ -83,9 +88,9 @@ void tDisplay_MinerScreen(unsigned long mElapsed)
   // Total hashes
   render.setFontSize(18);
   render.rdrawString(data.totalMHashes.c_str(), 268, 138, TFT_BLACK);
-  // Block templates
+  // ASIC temp
   render.setFontSize(18);
-  render.drawString(data.templates.c_str(), 186, 20, 0xDEDB);
+  render.drawString(data.currentTemperature.c_str(), 186, 20, 0xDEDB);
   // Best diff
   render.drawString(data.bestDiff.c_str(), 186, 48, 0xDEDB);
   // 32Bit shares

src/drivers/nerd-nos/bm1397.cpp

@@ -48,6 +48,8 @@ typedef struct __attribute__((__packed__))
 
 static const char *TAG = "bm1397Module";
 
+static const uint8_t chip_id[] = {0xAA, 0x55, 0x13, 0x97, 0x18, 0x00};
+
 uint32_t increment_bitmask(const uint32_t value, const uint32_t mask);
 
 /// @brief
@@ -204,9 +206,8 @@ static uint8_t _send_init(uint64_t frequency, uint16_t asic_count)
 
     int chip_counter = 0;
     while (true) {
-        int received = SERIAL_rx(buf, 11, 1000);
+        int received = SERIAL_rx(buf, 9, 1000);
-        if (received > 0) {
+        if (received > 0 && !memcmp(chip_id, buf, sizeof(chip_id))) {
-            //ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
             chip_counter++;
         } else {
             break;
@@ -361,24 +362,23 @@ bool BM1397_receive_work(uint16_t timeout, asic_result *result)
 {
     uint8_t *rcv_buf = (uint8_t*) result;
 
-    // wait for a response, wait time is pretty arbitrary
+    // non blocking read
-    int received = SERIAL_rx(rcv_buf, 9, timeout);
+    int received = SERIAL_rx_non_blocking(rcv_buf, 9);
 
     if (received < 0)
     {
         Serial.println("Error in serial RX");
         return false;
     }
-    else if (received == 0)
+    else if (!received)
     {
-        // Didn't find a solution, restart and try again
+        // we have not received any data
         return false;
     }
 
     if (received != 9 || rcv_buf[0] != 0xAA || rcv_buf[1] != 0x55)
     {
         Serial.println("Serial RX invalid. Resetting receive buffer ...");
-        //ESP_LOG_BUFFER_HEX(TAG, asic_response_buffer, received);
         SERIAL_clear_buffer();
         return false;
     }

src/drivers/nerd-nos/serial.cpp

@@ -57,6 +57,28 @@ size_t SERIAL_check_for_data() {
     return length;
 }
 
+/// @brief waits for a serial response from the device
+/// @param buf buffer to read data into
+/// @param buf number of ms to wait before timing out
+/// @return number of bytes read, or -1 on error
+int16_t SERIAL_rx_non_blocking(uint8_t *buf, uint16_t size) {
+    // check how much data we have
+    size_t available = SERIAL_check_for_data();
+
+    // no data available, return 0
+    if (!available) {
+        return 0;
+    }
+
+    // check for incomplete data
+    if (available && available < size) {
+        Serial.printf("not returning incomplete data ... %d vs %d\n", (int) available, (int) size);
+        return 0;
+    }
+    // timeout 0 means non_blocking read
+    return SERIAL_rx(buf, size, 0);
+}
+
 
 /// @brief waits for a serial response from the device
 /// @param buf buffer to read data into
@@ -64,13 +86,6 @@ size_t SERIAL_check_for_data() {
 /// @return number of bytes read, or -1 on error
 int16_t SERIAL_rx(uint8_t *buf, uint16_t size, uint16_t timeout_ms)
 {
-    // don't return incomplete data
-    size_t available = SERIAL_check_for_data();
-    if (available && available < size) {
-        Serial.printf("not returning parts of data ... %d vs %d\n", (int) available, (int) size);
-        return 0;
-    }
-
     int16_t bytes_read = uart_read_bytes(UART_NUM_1, buf, size, timeout_ms / portTICK_PERIOD_MS);
     // if (bytes_read > 0) {
     //     printf("rx: ");
@@ -83,21 +98,6 @@ int16_t SERIAL_rx(uint8_t *buf, uint16_t size, uint16_t timeout_ms)
     return bytes_read;
 }
 
-void SERIAL_debug_rx(void)
-{
-    int ret;
-    uint8_t buf[CHUNK_SIZE];
-
-    ret = SERIAL_rx(buf, 100, 20);
-    if (ret < 0)
-    {
-        fprintf(stderr, "unable to read data\n");
-        return;
-    }
-
-    memset(buf, 0, 1024);
-}
-
 void SERIAL_clear_buffer(void)
 {
     uart_flush(UART_NUM_1);

src/drivers/nerd-nos/serial.h

@@ -4,8 +4,8 @@
 
 int SERIAL_send(uint8_t *, int, bool);
 void SERIAL_init(void);
-void SERIAL_debug_rx(void);
 int16_t SERIAL_rx(uint8_t *, uint16_t, uint16_t);
+int16_t SERIAL_rx_non_blocking(uint8_t *buf, uint16_t size);
 void SERIAL_clear_buffer(void);
 void SERIAL_set_baud(int baud);
 

src/mining_nerdnos.cpp

@@ -29,6 +29,8 @@ extern pthread_mutex_t job_mutex;
 extern double best_diff;
 extern unsigned long mLastTXtoPool;
 
+extern uint32_t shares;
+extern uint32_t valids;
 
 // we can have 32 different job ids
 #define ASIC_JOB_COUNT 32
@@ -98,6 +100,9 @@ static void calculate_hashrate(history_t *history, uint32_t diff) {
   }
 
   history->newest++;
+  
+  // Increment the global shares counter
+  shares++;
 }
 
 // triggers the job creation
@@ -150,34 +155,34 @@ void runASIC(void * task_id) {
     uint32_t current_difficulty = 0;
 
     while (mMiner.inRun) {
-      // Temperature check
-      unsigned long currentTime = millis();
-      if (currentTime - lastTempCheck > TEMP_CHECK_INTERVAL) {
-        float currentTemp = nerdnos_get_temperature();  // Get ASIC temperature
-        
-        if (currentTemp > MAX_SAFE_TEMP) {
-          gpio_set_level(NERD_NOS_GPIO_PEN, 0);  // Disable Buck
-          Serial.println("ASIC temperature too high. Disabling power.");
-          
-          // Wait for temperature to drop
-          while (nerdnos_get_temperature() > (MAX_SAFE_TEMP - 15)) {  // 15 degree hysteresis
-            vTaskDelay(2000 / portTICK_PERIOD_MS);  // Check every 2 second
-          }
-          
-          gpio_set_level(NERD_NOS_GPIO_PEN, 1);  // Enable Buck again
-          Serial.println("Temperature safe. Re-enabling ASIC.");
-          BM1397_init(200, 1); // Re-Init ASIC
-        }
-        
-        lastTempCheck = currentTime;
-      }
-      
       // wait for the timer to start a new job
       // also yields the CPU
       pthread_mutex_lock(&job_interval_mutex);
       pthread_cond_wait(&job_interval_cond, &job_interval_mutex);
       pthread_mutex_unlock(&job_interval_mutex);
 
+      // Temperature check
+      unsigned long currentTime = millis();
+      if (currentTime - lastTempCheck > TEMP_CHECK_INTERVAL) {
+        float currentTemp = nerdnos_get_temperature();  // Get ASIC temperature
+
+        if (currentTemp > MAX_SAFE_TEMP) {
+          gpio_set_level(NERD_NOS_GPIO_PEN, 0);  // Disable Buck
+          Serial.println("ASIC temperature too high. Disabling power.");
+
+          // Wait for temperature to drop
+          while (nerdnos_get_temperature() > (MAX_SAFE_TEMP - 15)) {  // 15 degree hysteresis
+            vTaskDelay(2000 / portTICK_PERIOD_MS);  // Check every 2 second
+          }
+
+          gpio_set_level(NERD_NOS_GPIO_PEN, 1);  // Enable Buck again
+          Serial.println("Temperature safe. Re-enabling ASIC.");
+          BM1397_init(200, 1); // Re-Init ASIC
+        }
+
+        lastTempCheck = currentTime;
+      }
+
       // increment extranonce2
       extranonce_2++;
 
@@ -191,13 +196,15 @@ void runASIC(void * task_id) {
       // make sure that another task doesn't mess with the data while
       // we are using it
       pthread_mutex_lock(&job_mutex);
-      if (current_difficulty != mMiner.poolDifficulty) {
+      nerdnos_create_job(&mWorker, &mJob, &asic_jobs[asic_job_id], extranonce_2, mMiner.poolDifficulty);
-        current_difficulty = mMiner.poolDifficulty;
+      pthread_mutex_unlock(&job_mutex);
+
+      // don't send difficulty while the job mutex is locked
+      if (current_difficulty != asic_jobs[asic_job_id].pool_diff) {
+        current_difficulty = asic_jobs[asic_job_id].pool_diff;
         nerdnos_set_asic_difficulty(current_difficulty);
         Serial.printf("Set difficulty to %lu\n", current_difficulty);
       }
-      nerdnos_create_job(&mWorker, &mJob, &asic_jobs[asic_job_id], extranonce_2, current_difficulty);
-      pthread_mutex_unlock(&job_mutex);
 
       // send the job and
       nerdnos_send_work(&asic_jobs[asic_job_id], asic_job_id);