Fix compilation failing on Windows because of liblib.a

boards.txt

@@ -157,6 +157,9 @@ esp32wrover.menu.PartitionScheme.minimal.build.partitions=minimal
 esp32wrover.menu.PartitionScheme.no_ota=No OTA (Large APP)
 esp32wrover.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32wrover.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+esp32wrover.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA)
+esp32wrover.menu.PartitionScheme.huge_app.build.partitions=huge_app
+esp32wrover.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
 esp32wrover.menu.PartitionScheme.min_spiffs=Minimal SPIFFS (Large APPS with OTA)
 esp32wrover.menu.PartitionScheme.min_spiffs.build.partitions=min_spiffs
 esp32wrover.menu.PartitionScheme.min_spiffs.upload.maximum_size=1966080

cores/esp32/esp32-hal-uart.c

@@ -481,7 +481,7 @@ int log_printf(const char *format, ...)
     vsnprintf(temp, len+1, format, arg);
 #if !CONFIG_DISABLE_HAL_LOCKS
     if(_uart_bus_array[s_uart_debug_nr].lock){
-        while (xSemaphoreTake(_uart_bus_array[s_uart_debug_nr].lock, portMAX_DELAY) != pdPASS);
+        xSemaphoreTake(_uart_bus_array[s_uart_debug_nr].lock, portMAX_DELAY);
         ets_printf("%s", temp);
         xSemaphoreGive(_uart_bus_array[s_uart_debug_nr].lock);
     } else {
@@ -491,7 +491,7 @@ int log_printf(const char *format, ...)
     ets_printf("%s", temp);
 #endif
     va_end(arg);
-    if(len > sizeof(loc_buf)){
+    if(len >= sizeof(loc_buf)){
         free(temp);
     }
     return len;

libraries/ESP32/examples/I2S/HiFreq_ADC/HiFreq_ADC.ino

@@ -0,0 +1,71 @@
+/*
+ * This is an example to read analog data at high frequency using the I2S peripheral
+ * Run a wire between pins 27 & 32
+ * The readings from the device will be 12bit (0-4096)
+ */
+#include <driver/i2s.h>
+
+#define I2S_SAMPLE_RATE 78125
+#define ADC_INPUT ADC1_CHANNEL_4 //pin 32
+#define OUTPUT_PIN 27
+#define OUTPUT_VALUE 3800
+#define READ_DELAY 10000 //microseconds
+
+void i2sInit()
+{
+   i2s_config_t i2s_config = {
+    .mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_ADC_BUILT_IN),
+    .sample_rate =  I2S_SAMPLE_RATE,              // The format of the signal using ADC_BUILT_IN
+    .bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT, // is fixed at 12bit, stereo, MSB
+    .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT,
+    .communication_format = I2S_COMM_FORMAT_I2S_MSB,
+    .intr_alloc_flags = ESP_INTR_FLAG_LEVEL1,
+    .dma_buf_count = 4,
+    .dma_buf_len = 8,
+    .use_apll = false,
+    .tx_desc_auto_clear = false,
+    .fixed_mclk = 0
+   };
+   i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL);
+   i2s_set_adc_mode(ADC_UNIT_1, ADC_INPUT);
+   i2s_adc_enable(I2S_NUM_0);
+}
+
+void reader(void *pvParameters) {
+  uint32_t read_counter = 0;
+  uint64_t read_sum = 0;
+  while(1){
+    size_t bytes_read = 0;
+    uint16_t buffer = 0;
+    i2s_read(I2S_NUM_0, &buffer, sizeof(buffer), &bytes_read, portMAX_DELAY);
+    buffer = ~buffer;            // The data is inverted
+    //Serial.println(buffer % 0x1000);
+    read_sum += buffer % 0x1000; // The 4 high bits are the channel
+    read_counter++;
+    if (bytes_read != sizeof(buffer)) Serial.println("buffer empty!");
+    if (read_counter == I2S_SAMPLE_RATE) {
+      Serial.printf("avg: %d\n", read_sum/I2S_SAMPLE_RATE);
+      read_counter = 0;
+      read_sum = 0;
+      i2s_adc_disable(I2S_NUM_0);
+      delay(READ_DELAY);
+      i2s_adc_enable(I2S_NUM_0);
+
+    }
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  // Put a signal out on pin 
+  uint32_t freq = ledcSetup(0, I2S_SAMPLE_RATE, 10);
+  Serial.printf("Output frequency: %d\n", freq);
+  ledcWrite(0, OUTPUT_VALUE/4);
+  ledcAttachPin(OUTPUT_PIN, 0);
+  // Initialize the I2S peripheral
+  i2sInit();
+  // Create a task that will read the data
+  xTaskCreatePinnedToCore(reader, "ADC_reader", 2048, NULL, 1, NULL, 1);
+}
+
+void loop() {}

platform.txt

@@ -35,7 +35,7 @@ compiler.S.flags=-c -g3 -x assembler-with-cpp -MMD -mlongcalls
 
 compiler.c.elf.cmd=xtensa-esp32-elf-gcc
 compiler.c.elf.flags=-nostdlib "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld -T esp32.rom.spiram_incompatible_fns.ld -u ld_include_panic_highint_hdl -u call_user_start_cpu0 -Wl,--gc-sections -Wl,-static -Wl,--undefined=uxTopUsedPriority  -u __cxa_guard_dummy -u __cxx_fatal_exception
-compiler.c.elf.libs=-lgcc -lopenssl -lbtdm_app -lfatfs -lwps -lcoexist -lwear_levelling -lesp_http_client -lprotobuf-c -lhal -lnewlib -ldriver -lbootloader_support -lpp -lfreemodbus -lmesh -lsmartconfig -ljsmn -lwpa -lethernet -lphy -lfrmn -lapp_trace -lfr_coefficients -lconsole -lulp -lwpa_supplicant -lfreertos -lbt -lmicro-ecc -lesp32-camera -lcxx -lxtensa-debug-module -ltcp_transport -lmdns -lvfs -lmtmn -lesp_ringbuf -lsoc -lcore -lfb_gfx -lsdmmc -llibsodium -lcoap -ltcpip_adapter -lprotocomm -lesp_event -limage_util -lc_nano -lesp-tls -lasio -lrtc -lspi_flash -lwpa2 -lwifi_provisioning -lesp32 -lface_recognition -lapp_update -lnghttp -llib -lspiffs -lface_detection -lunity -lesp_https_server -lespnow -lnvs_flash -lesp_adc_cal -llog -ldl_lib -lsmartconfig_ack -lexpat -lfd_coefficients -lm -lmqtt -lc -lheap -lmbedtls -llwip -lnet80211 -lesp_http_server -lpthread -ljson -lesp_https_ota  -lstdc++
+compiler.c.elf.libs=-lgcc -lopenssl -lbtdm_app -lfatfs -lwps -lcoexist -lwear_levelling -lesp_http_client -lprotobuf-c -lhal -lnewlib -ldriver -lbootloader_support -lpp -lfreemodbus -lmesh -lsmartconfig -ljsmn -lwpa -lethernet -lphy -lfrmn -lapp_trace -lfr_coefficients -lconsole -lulp -lwpa_supplicant -lfreertos -lbt -lmicro-ecc -lesp32-camera -lcxx -lxtensa-debug-module -ltcp_transport -lmdns -lvfs -lmtmn -lesp_ringbuf -lsoc -lcore -lfb_gfx -lsdmmc -llibsodium -lcoap -ltcpip_adapter -lprotocomm -lesp_event -limage_util -lc_nano -lesp-tls -lasio -lrtc -lspi_flash -lwpa2 -lwifi_provisioning -lesp32 -lface_recognition -lapp_update -lnghttp -lspiffs -lface_detection -lunity -lesp_https_server -lespnow -lnvs_flash -lesp_adc_cal -llog -ldl_lib -lsmartconfig_ack -lexpat -lfd_coefficients -lm -lmqtt -lc -lheap -lmbedtls -llwip -lnet80211 -lesp_http_server -lpthread -ljson -lesp_https_ota  -lstdc++
 
 compiler.as.cmd=xtensa-esp32-elf-as
 

tools/platformio-build.py

@@ -163,7 +163,7 @@ env.Append(
     ],
 
     LIBS=[
-        "-lgcc", "-lopenssl", "-lbtdm_app", "-lfatfs", "-lwps", "-lcoexist", "-lwear_levelling", "-lesp_http_client", "-lprotobuf-c", "-lhal", "-lnewlib", "-ldriver", "-lbootloader_support", "-lpp", "-lfreemodbus", "-lmesh", "-lsmartconfig", "-ljsmn", "-lwpa", "-lethernet", "-lphy", "-lfrmn", "-lapp_trace", "-lfr_coefficients", "-lconsole", "-lulp", "-lwpa_supplicant", "-lfreertos", "-lbt", "-lmicro-ecc", "-lesp32-camera", "-lcxx", "-lxtensa-debug-module", "-ltcp_transport", "-lmdns", "-lvfs", "-lmtmn", "-lesp_ringbuf", "-lsoc", "-lcore", "-lfb_gfx", "-lsdmmc", "-llibsodium", "-lcoap", "-ltcpip_adapter", "-lprotocomm", "-lesp_event", "-limage_util", "-lc_nano", "-lesp-tls", "-lasio", "-lrtc", "-lspi_flash", "-lwpa2", "-lwifi_provisioning", "-lesp32", "-lface_recognition", "-lapp_update", "-lnghttp", "-llib", "-lspiffs", "-lface_detection", "-lunity", "-lesp_https_server", "-lespnow", "-lnvs_flash", "-lesp_adc_cal", "-llog", "-ldl_lib", "-lsmartconfig_ack", "-lexpat", "-lfd_coefficients", "-lm", "-lmqtt", "-lc", "-lheap", "-lmbedtls", "-llwip", "-lnet80211", "-lesp_http_server", "-lpthread", "-ljson", "-lesp_https_ota", "-lstdc++"
+        "-lgcc", "-lopenssl", "-lbtdm_app", "-lfatfs", "-lwps", "-lcoexist", "-lwear_levelling", "-lesp_http_client", "-lprotobuf-c", "-lhal", "-lnewlib", "-ldriver", "-lbootloader_support", "-lpp", "-lfreemodbus", "-lmesh", "-lsmartconfig", "-ljsmn", "-lwpa", "-lethernet", "-lphy", "-lfrmn", "-lapp_trace", "-lfr_coefficients", "-lconsole", "-lulp", "-lwpa_supplicant", "-lfreertos", "-lbt", "-lmicro-ecc", "-lesp32-camera", "-lcxx", "-lxtensa-debug-module", "-ltcp_transport", "-lmdns", "-lvfs", "-lmtmn", "-lesp_ringbuf", "-lsoc", "-lcore", "-lfb_gfx", "-lsdmmc", "-llibsodium", "-lcoap", "-ltcpip_adapter", "-lprotocomm", "-lesp_event", "-limage_util", "-lc_nano", "-lesp-tls", "-lasio", "-lrtc", "-lspi_flash", "-lwpa2", "-lwifi_provisioning", "-lesp32", "-lface_recognition", "-lapp_update", "-lnghttp", "-lspiffs", "-lface_detection", "-lunity", "-lesp_https_server", "-lespnow", "-lnvs_flash", "-lesp_adc_cal", "-llog", "-ldl_lib", "-lsmartconfig_ack", "-lexpat", "-lfd_coefficients", "-lm", "-lmqtt", "-lc", "-lheap", "-lmbedtls", "-llwip", "-lnet80211", "-lesp_http_server", "-lpthread", "-ljson", "-lesp_https_ota", "-lstdc++"
     ],
 
     LIBSOURCE_DIRS=[

tools/sdk/lib/liblib.a

@@ -1 +0,0 @@
-!<arch>