fix warnings, update docs

7 files changed, 8 insertions, 16 deletions

diff --git a/examples/device/audio_4_channel_mic_freertos/src/main.c b/examples/device/audio_4_channel_mic_freertos/src/main.c
index 9c76380a2..643b2f259 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/main.c
+++ b/examples/device/audio_4_channel_mic_freertos/src/main.c
@@ -476,13 +476,11 @@ bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p
 //--------------------------------------------------------------------+
 void led_blinking_task(void *param) {
   (void) param;
-  static uint32_t start_ms = 0;
   static bool led_state = false;
 
   while (1) {
     // Blink every interval ms
     vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
-    start_ms += blink_interval_ms;
 
     board_led_write(led_state);
     led_state = 1 - led_state;// toggle
diff --git a/examples/device/audio_test_freertos/src/main.c b/examples/device/audio_test_freertos/src/main.c
index b2bed295f..ea06af0e2 100644
--- a/examples/device/audio_test_freertos/src/main.c
+++ b/examples/device/audio_test_freertos/src/main.c
@@ -470,13 +470,11 @@ bool tud_audio_set_itf_close_ep_cb(uint8_t rhport, tusb_control_request_t const
 //--------------------------------------------------------------------+
 void led_blinking_task(void *param) {
   (void) param;
-  static uint32_t start_ms = 0;
   static bool led_state = false;
 
   while (1) {
     // Blink every interval ms
     vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
-    start_ms += blink_interval_ms;
 
     board_led_write(led_state);
     led_state = 1 - led_state;// toggle
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c
index 09ccc9bf3..b20d162ab 100644
--- a/examples/device/cdc_msc_freertos/src/main.c
+++ b/examples/device/cdc_msc_freertos/src/main.c
@@ -229,13 +229,11 @@ void tud_cdc_rx_cb(uint8_t itf) {
 //--------------------------------------------------------------------+
 void led_blinking_task(void* param) {
   (void) param;
-  static uint32_t start_ms = 0;
-  static bool led_state = false;
+    static bool led_state = false;
 
   while (1) {
     // Blink every interval ms
     vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
-    start_ms += blink_interval_ms;
 
     board_led_write(led_state);
     led_state = 1 - led_state; // toggle
diff --git a/examples/device/cdc_msc_freertos/src/msc_disk.c b/examples/device/cdc_msc_freertos/src/msc_disk.c
index 3602c991d..849712e6a 100644
--- a/examples/device/cdc_msc_freertos/src/msc_disk.c
+++ b/examples/device/cdc_msc_freertos/src/msc_disk.c
@@ -150,7 +150,7 @@ uint8_t msc_disk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
 };
 
 #if CFG_EXAMPLE_MSC_ASYNC_IO
-void msc_disk_init() {
+void msc_disk_init(void) {
 
 #if configSUPPORT_STATIC_ALLOCATION
   io_queue = xQueueCreateStatic(1, sizeof(io_ops_t), io_queue_buf, &io_queue_static);
diff --git a/examples/device/midi_test_freertos/src/main.c b/examples/device/midi_test_freertos/src/main.c
index 3e406d38d..c18ad6ada 100644
--- a/examples/device/midi_test_freertos/src/main.c
+++ b/examples/device/midi_test_freertos/src/main.c
@@ -225,13 +225,11 @@ void midi_task(void* param) {
 //--------------------------------------------------------------------+
 void led_blinking_task(void* param) {
   (void) param;
-  static uint32_t start_ms = 0;
   static bool led_state = false;
 
   while (1) {
     // Blink every interval ms
     vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
-    start_ms += blink_interval_ms;
 
     board_led_write(led_state);
     led_state = 1 - led_state; // toggle
diff --git a/examples/device/uac2_speaker_fb/src/quirk_os_guessing.c b/examples/device/uac2_speaker_fb/src/quirk_os_guessing.c
index 965bbd6cf..92b9ab6ee 100644
--- a/examples/device/uac2_speaker_fb/src/quirk_os_guessing.c
+++ b/examples/device/uac2_speaker_fb/src/quirk_os_guessing.c
@@ -29,12 +29,12 @@ static tusb_desc_type_t desc_req_buf[2];
 static int desc_req_idx = 0;
 
 // Place at the start of tud_descriptor_device_cb()
-void quirk_os_guessing_desc_device_cb() {
+void quirk_os_guessing_desc_device_cb(void) {
   desc_req_idx = 0;
 }
 
 // Place at the start of tud_descriptor_configuration_cb()
-void quirk_os_guessing_desc_configuration_cb() {
+void quirk_os_guessing_desc_configuration_cb(void) {
   // Skip redundant request
   if (desc_req_idx == 0 || (desc_req_idx == 1 && desc_req_buf[0] != TUSB_DESC_CONFIGURATION)) {
     desc_req_buf[desc_req_idx++] = TUSB_DESC_CONFIGURATION;
@@ -42,7 +42,7 @@ void quirk_os_guessing_desc_configuration_cb() {
 }
 
 // Place at the start of tud_descriptor_bos_cb()
-void quirk_os_guessing_desc_bos_cb() {
+void quirk_os_guessing_desc_bos_cb(void) {
   // Skip redundant request
   if (desc_req_idx == 0 || (desc_req_idx == 1 && desc_req_buf[0] != TUSB_DESC_BOS)) {
     desc_req_buf[desc_req_idx++] = TUSB_DESC_BOS;
@@ -50,7 +50,7 @@ void quirk_os_guessing_desc_bos_cb() {
 }
 
 // Place at the start of tud_descriptor_string_cb()
-void quirk_os_guessing_desc_string_cb() {
+void quirk_os_guessing_desc_string_cb(void) {
   // Skip redundant request
   if (desc_req_idx == 0 || (desc_req_idx == 1 && desc_req_buf[0] != TUSB_DESC_STRING)) {
     desc_req_buf[desc_req_idx++] = TUSB_DESC_STRING;
diff --git a/examples/device/usbtmc/src/usbtmc_app.c b/examples/device/usbtmc/src/usbtmc_app.c
index fb25982c7..e738f1008 100644
--- a/examples/device/usbtmc/src/usbtmc_app.c
+++ b/examples/device/usbtmc/src/usbtmc_app.c
@@ -99,7 +99,7 @@ usbtmc_response_capabilities_488_t const *
 #else
 usbtmc_response_capabilities_t const *
 #endif
-tud_usbtmc_get_capabilities_cb()
+tud_usbtmc_get_capabilities_cb(void)
 {
   return &tud_usbtmc_app_capabilities;
 }
@@ -161,7 +161,7 @@ bool tud_usbtmc_msg_data_cb(void *data, size_t len, bool transfer_complete)
   return true;
 }
 
-bool tud_usbtmc_msgBulkIn_complete_cb()
+bool tud_usbtmc_msgBulkIn_complete_cb(void)
 {
   if((buffer_tx_ix == buffer_len) || idnQuery) // done
   {