Clement_B/test_arduinoIDF_USB_pio
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This commit is contained in:
Clement_B 2025-01-30 16:45:02 +01:00
parent 5fa3d89af8
commit 6f07f008c2
3 changed files with 38 additions and 22 deletions
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5
lib/SerialUSBHost/include/SerialUSBHost.h
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@ -21,12 +21,15 @@ class SerialUSBHost {
public:
SerialUSBHost() = delete;
static void init();
static void init(uint32_t baudrate, uint8_t stop_bits, uint8_t parity, uint8_t dataBits);
static void handle_event(const cdc_acm_host_dev_event_data_t *event, void *user_ctx);
static bool handle_rx(const uint8_t *data, size_t data_len, void *arg);
static void takeSem();//XXX
static cdc_acm_host_device_config_t* getDevConfig();
static cdc_acm_line_coding_t* getLineCoding();
private:
/**
* @brief USB Host library handling task

32
lib/SerialUSBHost/src/SerialUSBHost.cpp
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@ -3,6 +3,19 @@
static SemaphoreHandle_t device_disconnected_sem;//XXX
static cdc_acm_host_device_config_t dev_config = {
.connection_timeout_ms = 5000, // 5 seconds, enough time to plug the device in or experiment with timeout
.out_buffer_size = 512,
.in_buffer_size = 512,
.event_cb = SerialUSBHost::handle_event,
.data_cb = SerialUSBHost::handle_rx,
.user_arg = NULL,
};
static cdc_acm_line_coding_t line_coding;
static const char *TAG = "VCP example";
/**
@ -19,6 +32,7 @@ static const char *TAG = "VCP example";
*/
bool SerialUSBHost::handle_rx(const uint8_t *data, size_t data_len, void *arg)
{
//ESP_LOGI("USB_HANDLE", "Recivend data !!");
printf("%.*s", data_len, data);
return true;
}
@ -65,7 +79,7 @@ void SerialUSBHost::usb_lib_task(void* arg) {
}
}
void SerialUSBHost::init() {
void SerialUSBHost::init(uint32_t baudrate, uint8_t stop_bits, uint8_t parity, uint8_t dataBits) {
const String TAG = "SerialUSBHost_constructor";
device_disconnected_sem = xSemaphoreCreateBinary();
assert(device_disconnected_sem);
@ -91,9 +105,21 @@ void SerialUSBHost::init() {
esp_usb::VCP::register_driver<esp_usb::CP210x>();
esp_usb::VCP::register_driver<esp_usb::CH34x>();
line_coding.dwDTERate = baudrate;
line_coding.bCharFormat = stop_bits;
line_coding.bParityType = parity;
line_coding.bDataBits = dataBits;
}
void SerialUSBHost::takeSem(){//XXX
void SerialUSBHost::takeSem() {//XXX
xSemaphoreTake(device_disconnected_sem, portMAX_DELAY);
}
cdc_acm_host_device_config_t* SerialUSBHost::getDevConfig() {
return &dev_config;
}
cdc_acm_line_coding_t* SerialUSBHost::getLineCoding() {
return &line_coding;
}

21
src/main.cpp
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@ -18,23 +18,15 @@ static const char *TAG = "VCP example";
void setup() {
SerialUSBHost::init();
SerialUSBHost::init(EXAMPLE_BAUDRATE, EXAMPLE_STOP_BITS, EXAMPLE_PARITY, EXAMPLE_DATA_BITS);
}
void loop() {
const cdc_acm_host_device_config_t dev_config = {
.connection_timeout_ms = 5000, // 5 seconds, enough time to plug the device in or experiment with timeout
.out_buffer_size = 512,
.in_buffer_size = 512,
.event_cb = SerialUSBHost::handle_event,
.data_cb = SerialUSBHost::handle_rx,
.user_arg = NULL,
};
// You don't need to know the device's VID and PID. Just plug in any device and the VCP service will load correct (already registered) driver for the device
ESP_LOGI(TAG, "Opening any VCP device...");
auto vcp = std::unique_ptr<CdcAcmDevice>(VCP::open(&dev_config));
auto vcp = std::unique_ptr<CdcAcmDevice>(VCP::open(SerialUSBHost::getDevConfig()));
if (vcp == nullptr) {
ESP_LOGI(TAG, "Failed to open VCP device");
@ -44,13 +36,8 @@ void loop() {
vTaskDelay(10);
ESP_LOGI(TAG, "Setting up line coding");
cdc_acm_line_coding_t line_coding = {
.dwDTERate = EXAMPLE_BAUDRATE,
.bCharFormat = EXAMPLE_STOP_BITS,
.bParityType = EXAMPLE_PARITY,
.bDataBits = EXAMPLE_DATA_BITS,
};
ESP_ERROR_CHECK(vcp->line_coding_set(&line_coding));
ESP_ERROR_CHECK(vcp->line_coding_set(SerialUSBHost::getLineCoding()));
/*
Now the USB-to-UART converter is configured and receiving data.