Update to V5.1

Firmware/LogicAnalyzer/.vscode/launch.json

@@ -13,13 +13,14 @@
       "type": "cortex-debug",
       "servertype": "openocd",
       "gdbPath": "arm-none-eabi-gdb",
+      "openOCDLaunchCommands": ["adapter speed 5000"],
       "device": "RP2040",
       "configFiles": [
-        "interface/picoprobe.cfg",
+        "interface/cmsis-dap.cfg",
         "target/rp2040.cfg"
         ],
       "svdFile": "${env:PICO_SDK_PATH}/src/rp2040/hardware_regs/rp2040.svd",
-      "runToMain": true,
+      "runToEntryPoint": "main",
       // Give restart the same functionality as runToMain
       "postRestartCommands": [
           "break main",

Firmware/LogicAnalyzer/.vscode/settings.json

@@ -61,8 +61,6 @@
       "cyw43_arch.h": "c",
       "logicanalyzer_build_settings.h": "c",
       "sync.h": "c",
-      "flash.h": "c",
+      "flash.h": "c"
-      "shared_buffers.h": "c",
-      "logicanalyzer_wifi.h": "c"
     },
 }

Firmware/LogicAnalyzer/CMakeLists.txt

@@ -5,6 +5,8 @@ cmake_minimum_required(VERSION 3.13)
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 17)
 
+# set(PICO_BOARD pico_w)
+
 # Initialise pico_sdk from installed location
 # (note this can come from environment, CMake cache etc)
 set(PICO_SDK_PATH "F:/PicoSDK/Pico/pico-sdk")
@@ -30,7 +32,7 @@ pico_generate_pio_header(${PROJECT_NAME}
 )
 
 pico_set_program_name(LogicAnalyzer "LogicAnalyzer")
-pico_set_program_version(LogicAnalyzer "4.5")
+pico_set_program_version(LogicAnalyzer "5.1")
 
 
 pico_enable_stdio_uart(LogicAnalyzer 0)
@@ -50,6 +52,7 @@ target_link_libraries(LogicAnalyzer
         hardware_pio
         hardware_clocks
         hardware_flash
+        hardware_adc
         pico_multicore
         pico_base_headers
         pico_multicore

Firmware/LogicAnalyzer/LogicAnalyzer.c

@@ -153,6 +153,41 @@ void sendResponse(const char* response, bool toWiFi)
         printf(response);
 }
 
+/// @brief Transfer a buffer of data through USB using the TinyUSB CDC functions
+/// @param data Buffer of data to transfer
+/// @param len Length of the buffer
+void cdc_transfer(unsigned char* data, int len)
+{
+
+    int left = len;
+    int pos = 0;
+
+    while(left > 0)
+    {
+        int avail = (int) tud_cdc_write_available();
+
+        if(avail > left)
+            avail = left;
+
+        if(avail)
+        {
+            int transferred = (int) tud_cdc_write(data + pos, avail);
+            tud_task();
+            tud_cdc_write_flush();
+            
+            pos += transferred;
+            left -= transferred;
+        }
+        else
+        {
+            tud_task();
+            tud_cdc_write_flush();
+            if (!tud_cdc_connected())
+                break;
+        }
+    }
+}
+
 /// @brief Processes data received from the host application
 /// @param data The received data
 /// @param length Length of the data
@@ -229,7 +264,7 @@ void processData(uint8_t* data, uint length, bool fromWiFi)
                                 break;
                             }
                             else
-                                started = startCaptureSimple(req->frequency, req->preSamples, req->postSamples, (uint8_t*)&req->channels, req->channelCount, req->trigger, req->inverted, req->captureMode);
+                                started = startCaptureSimple(req->frequency, req->preSamples, req->postSamples, req->loopCount, (uint8_t*)&req->channels, req->channelCount, req->trigger, req->inverted, req->captureMode);
                         
                         #endif
 
@@ -245,7 +280,7 @@ void processData(uint8_t* data, uint length, bool fromWiFi)
                     
                     #ifdef USE_CYGW_WIFI
 
-                    case 2:
+                    case 2: //Update WiFi settings
 
                         wReq = (WIFI_SETTINGS_REQUEST*)&messageBuffer[3];
                         WIFI_SETTINGS settings;
@@ -279,6 +314,27 @@ void processData(uint8_t* data, uint length, bool fromWiFi)
 
                         break;
 
+                    case 3: //Read power status
+
+                        if(!fromWiFi)
+                            sendResponse("ERR_UNSUPPORTED\n", fromWiFi);
+                        else 
+                        {
+                            EVENT_FROM_FRONTEND powerEvent;
+                            powerEvent.event = GET_POWER_STATUS;
+                            event_push(&frontendToWifi, &powerEvent);
+                        }
+                        
+                        break;
+
+                    #else
+
+                    case 2:
+                    case 3:
+
+                        sendResponse("ERR_UNSUPPORTED\n", fromWiFi);
+                        break;
+
                     #endif
 
                     default:
@@ -312,41 +368,6 @@ void processData(uint8_t* data, uint length, bool fromWiFi)
     //have any data, but the capture request has a CAPTURE_REQUEST struct as data.
 }
 
-/// @brief Transfer a buffer of data through USB using the TinyUSB CDC functions
-/// @param data Buffer of data to transfer
-/// @param len Length of the buffer
-void cdc_transfer(unsigned char* data, int len)
-{
-
-    int left = len;
-    int pos = 0;
-
-    while(left > 0)
-    {
-        int avail = (int) tud_cdc_write_available();
-
-        if(avail > left)
-            avail = left;
-
-        if(avail)
-        {
-            int transferred = (int) tud_cdc_write(data + pos, avail);
-            tud_task();
-            tud_cdc_write_flush();
-            
-            pos += transferred;
-            left -= transferred;
-        }
-        else
-        {
-            tud_task();
-            tud_cdc_write_flush();
-            if (!tud_cdc_connected())
-                break;
-        }
-    }
-}
-
 /// @brief Receive and process USB data from the host application
 /// @param skipProcessing If true the received data is not processed (used for cleanup)
 /// @return True if anything is received, false if not
@@ -376,6 +397,19 @@ void purgeUSBData()
     while(getchar_timeout_us(0) != PICO_ERROR_TIMEOUT);
 }
 
+/// @brief Send a string response with the power status
+/// @param status Status received from the WiFi core
+void sendPowerStatus(POWER_STATUS* status)
+{
+    char buffer[32];
+    memset(buffer, 0, 32);
+    int len = sprintf(buffer, "%.2f", status->vsysVoltage);
+    buffer[len++] = '_';
+    buffer[len++] = status->vbusConnected ? '1' : '0';
+    buffer[len] = '\n';
+    sendResponse(buffer, true);
+}
+
 /// @brief Callback for the WiFi event queue
 /// @param event Received event
 void wifiEvent(void* event)
@@ -402,6 +436,13 @@ void wifiEvent(void* event)
             else
                 processData(wEvent->data, wEvent->dataLength, true);
             break;
+        case POWER_STATUS_DATA:
+            {
+                POWER_STATUS status;
+                memcpy(&status, wEvent->data, sizeof(POWER_STATUS));
+                sendPowerStatus(&status);
+            }
+            break;
     }
 }
 
@@ -603,7 +644,9 @@ int main()
                 else
                 {
                     LED_ON();
+                    #ifdef SUPPORTS_COMPLEX_TRIGGER
                     check_fast_interrupt();
+                    #endif
                     sleep_ms(1000);
                 }
             }

Firmware/LogicAnalyzer/LogicAnalyzer.pio

@@ -199,6 +199,7 @@ static bool captureFinished;
 static bool captureProcessed;
 
 //Pin mapping, used to map the channels to the PIO program
+//COMPLEX_TRIGGER_IN_PIN is added at the end of the array to support the chained mode
 #if defined (BUILD_PICO)
     const uint8_t pinMap[] = {2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,26,27,28,COMPLEX_TRIGGER_IN_PIN};  
 #elif defined (BUILD_PICO_W)
@@ -212,16 +213,18 @@ static bool captureProcessed;
 //Main capture buffer, aligned at a 32k boundary, to use the maxixmum ring size supported by DMA channels
 static uint8_t captureBuffer[CAPTURE_BUFFER_SIZE] __attribute__((aligned(32768)));
 
-//-----------------------------------------------------------------------------
-//--------------Complex trigger PIO program------------------------------------
-//-----------------------------------------------------------------------------
-#define COMPLEX_TRIGGER_wrap_target 0
-#define COMPLEX_TRIGGER_wrap 8
-
 #define CAPTURE_TYPE_SIMPLE 0
 #define CAPTURE_TYPE_COMPLEX 1
 #define CAPTURE_TYPE_FAST 2
 
+//-----------------------------------------------------------------------------
+//--------------Complex trigger PIO program------------------------------------
+//-----------------------------------------------------------------------------
+#ifdef SUPPORTS_COMPLEX_TRIGGER
+
+#define COMPLEX_TRIGGER_wrap_target 0
+#define COMPLEX_TRIGGER_wrap 8
+
 uint16_t COMPLEX_TRIGGER_program_instructions[] = {
             //     .wrap_target
     0x80a0, //  0: pull   block                      
@@ -247,6 +250,7 @@ static inline pio_sm_config COMPLEX_TRIGGER_program_get_default_config(uint offs
     sm_config_set_wrap(&c, offset + COMPLEX_TRIGGER_wrap_target, offset + COMPLEX_TRIGGER_wrap);
     return c;
 }
+#endif
 //-----------------------------------------------------------------------------
 //--------------Complex trigger PIO program END--------------------------------
 //-----------------------------------------------------------------------------
@@ -254,6 +258,8 @@ static inline pio_sm_config COMPLEX_TRIGGER_program_get_default_config(uint offs
 //-----------------------------------------------------------------------------
 //--------------Fast trigger PIO program---------------------------------------
 //-----------------------------------------------------------------------------
+#ifdef SUPPORTS_COMPLEX_TRIGGER
+
 #define FAST_TRIGGER_wrap_target 0
 #define FAST_TRIGGER_wrap 31
 
@@ -295,6 +301,7 @@ uint8_t create_fast_trigger_program(uint8_t pattern, uint8_t length)
 
     return first;
 }
+#endif
 //-----------------------------------------------------------------------------
 //--------------Fast trigger PIO program END-----------------------------------
 //-----------------------------------------------------------------------------
@@ -370,8 +377,10 @@ uint32_t find_capture_tail()
 //Disable the trigger GPIOs to avoid triggering again a chained device
 void disable_gpios()
 {
+    #ifdef SUPPORTS_COMPLEX_TRIGGER
     gpio_deinit(COMPLEX_TRIGGER_OUT_PIN);
     gpio_deinit(COMPLEX_TRIGGER_IN_PIN); 
+    #endif
 
     for(uint8_t i = 0; i < lastCapturePinCount; i++)
         gpio_deinit(lastCapturePins[i]);
@@ -590,6 +599,8 @@ void stopCapture()
     {
         uint32_t int_status = save_and_disable_interrupts();
 
+        #ifdef SUPPORTS_COMPLEX_TRIGGER
+
         if(lastCaptureType == CAPTURE_TYPE_SIMPLE)
             simple_capture_completed();
         else if(lastCaptureType == CAPTURE_TYPE_COMPLEX)
@@ -597,6 +608,12 @@ void stopCapture()
         else if(lastCaptureType == CAPTURE_TYPE_FAST)
             fast_capture_completed();
 
+        #else
+
+        simple_capture_completed();
+
+        #endif
+
         restore_interrupts(int_status);
     }
 }

Firmware/LogicAnalyzer/LogicAnalyzer_Build_Settings.h

@@ -1,7 +1,7 @@
 #ifndef __BUILD_SETTINGS__
     #define __BUILD_SETTINGS__
 
-    #define FIRMWARE_VERSION "V5_0"
+    #define FIRMWARE_VERSION "V5_1"
 
     //Select the board type to build the firmware for
     #define BUILD_PICO

Firmware/LogicAnalyzer/LogicAnalyzer_Structs.h

@@ -66,7 +66,8 @@
             CYW_READY,
             CONNECTED,
             DISCONNECTED,
-            DATA_RECEIVED
+            DATA_RECEIVED,
+            POWER_STATUS_DATA
 
         } WIFI_EVENT;
 
@@ -75,7 +76,8 @@
             LED_ON,
             LED_OFF,
             CONFIG_RECEIVED,
-            SEND_DATA
+            SEND_DATA,
+            GET_POWER_STATUS
 
         } FRONTEND_EVENT;
 
@@ -95,6 +97,13 @@
 
         } EVENT_FROM_FRONTEND;
 
+        typedef struct _POWER_STATUS
+        {
+            float vsysVoltage;
+            bool vbusConnected;
+
+        } POWER_STATUS;
+
     #endif
 
 #endif

Firmware/LogicAnalyzer/LogicAnalyzer_WiFi.c

@@ -11,6 +11,8 @@
 #include "pico/stdlib.h"
 #include "pico/cyw43_arch.h"
 #include "pico/multicore.h"
+#include "hardware/adc.h"
+#include "hardware/gpio.h"
 #include "hardware/flash.h"
 #include "lwip/pbuf.h"
 #include "lwip/tcp.h"
@@ -27,6 +29,39 @@ bool boot = false;
 #define LED_ON() cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1)
 #define LED_OFF() cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0)
 
+void getPowerStatus()
+{
+    EVENT_FROM_WIFI evtPower;
+    evtPower.event = POWER_STATUS_DATA;
+    evtPower.dataLength = sizeof(POWER_STATUS);
+    POWER_STATUS* status = (POWER_STATUS*)&evtPower.data;
+    
+    adc_init();
+
+    uint32_t oldInt = save_and_disable_interrupts();
+    uint32_t old_pad = padsbank0_hw->io[29];
+    uint32_t old_ctrl = iobank0_hw->io[29].ctrl;
+
+    adc_gpio_init(29);
+    adc_select_input(3);
+
+    sleep_ms(100);
+
+    const float conversion_factor = 3.3f / (1 << 12);
+    status->vsysVoltage = adc_read() * conversion_factor * 3;
+
+    gpio_init(29);
+
+    padsbank0_hw->io[29] = old_pad;
+    iobank0_hw->io[29].ctrl = old_ctrl;
+    restore_interrupts(oldInt);
+
+    status->vbusConnected = cyw43_arch_gpio_get(2);
+    
+    event_push(&wifiToFrontend, &evtPower);
+
+}
+
 void readSettings()
 {
     wifiSettings = *((volatile WIFI_SETTINGS*)(FLASH_SETTINGS_ADDRESS));
@@ -87,7 +122,9 @@ err_t serverReceiveData(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t e
     //Client disconnected
     if(!p || p->tot_len == 0)
     {
-        pbuf_free(p);
+        if(p)
+            pbuf_free(p);
+            
         killClient();
         evt.event = DISCONNECTED;
         event_push(&wifiToFrontend, &evt);
@@ -227,6 +264,7 @@ void frontendEvent(void* event)
         case LED_ON:
             LED_ON();
             break;
+
         case LED_OFF:
             LED_OFF();
             break;
@@ -241,6 +279,10 @@ void frontendEvent(void* event)
         case SEND_DATA:
             sendData(evt->data, evt->dataLength);
             break;
+        
+        case GET_POWER_STATUS:
+            getPowerStatus();
+            break;
     }
 }
 
@@ -262,4 +304,5 @@ void runWiFiCore()
             cyw43_arch_poll();
     }
 }
+
 #endif

Firmware/LogicAnalyzer/LogicAnalyzer_WiFi.h

@@ -18,6 +18,7 @@
         } WIFI_STATE_MACHINE;
 
         void runWiFiCore();
+        bool getVsysState();
     #endif
 
 #endif

Software/LogicAnalyzer/SharedDriver/LogicAnalyzerDriver.cs

@@ -11,6 +11,10 @@ namespace SharedDriver
 {
     public class LogicAnalyzerDriver : IDisposable, IAnalizerDriver
     {
+        const int MAJOR_VERSION = 5;
+        const int MINOR_VERSION = 1;
+
+
         Regex regVersion = new Regex(".*?(V([0-9]+)_([0-9]+))$");
         Regex regAddressPort = new Regex("([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+)\\:([0-9]+)");
         StreamReader readResponse;
@@ -85,15 +89,22 @@ namespace SharedDriver
             if (verMatch == null || !verMatch.Success || !verMatch.Groups[2].Success)
             {
                 Dispose();
-                throw new DeviceConnectionException($"Invalid device version V{ (string.IsNullOrWhiteSpace(verMatch?.Value) ? "(unknown)" : verMatch?.Value) }, minimum supported version: V5_0");
+                throw new DeviceConnectionException($"Invalid device version V{ (string.IsNullOrWhiteSpace(verMatch?.Value) ? "(unknown)" : verMatch?.Value) }, minimum supported version: V{MAJOR_VERSION}_{MINOR_VERSION}");
             }
 
             int majorVer = int.Parse(verMatch.Groups[2].Value);
+            int minorVer = int.Parse(verMatch.Groups[3].Value);
 
-            if (majorVer < 5)
+            if (majorVer < MAJOR_VERSION)
             {
                 Dispose();
-                throw new DeviceConnectionException($"Invalid device version V{verMatch.Value}, minimum supported version: V5_0");
+                throw new DeviceConnectionException($"Invalid device version V{verMatch.Value}, minimum supported version: V{MAJOR_VERSION}_{MINOR_VERSION}");
+            }
+
+            if (majorVer == MAJOR_VERSION && minorVer < MINOR_VERSION)
+            {
+                Dispose();
+                throw new DeviceConnectionException($"Invalid device version V{verMatch.Value}, minimum supported version: V{MAJOR_VERSION}_{MINOR_VERSION}");
             }
 
             baseStream.ReadTimeout = Timeout.Infinite;
@@ -456,8 +467,6 @@ namespace SharedDriver
 
         public string? GetVoltageStatus() 
         {
-            return "UNSUPPORTED";
-
             if (!isNetwork)
                 return "UNSUPPORTED";