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simple cdc host demo work

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This commit is contained in:
hathach
2018-12-07 17:37:54 +07:00
parent 13d08cd636
commit e6e3679136
3 changed files with 11 additions and 5 deletions
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6
examples/host/cdc_msc_hid/src/main.c
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@@ -82,11 +82,14 @@ int main(void)
// USB CDC
//--------------------------------------------------------------------+
#if CFG_TUH_CDC
CFG_TUSB_MEM_SECTION static char serial_in_buffer[64] = { 0 };
void tuh_cdc_mounted_cb(uint8_t dev_addr)
{
// application set-up
printf("\na CDC device (address %d) is mounted\n", dev_addr);
tuh_cdc_receive(dev_addr, serial_in_buffer, sizeof(serial_in_buffer), true); // schedule first transfer
}
void tuh_cdc_unmounted_cb(uint8_t dev_addr)
@@ -98,7 +101,10 @@ void tuh_cdc_unmounted_cb(uint8_t dev_addr)
// invoked ISR context
void tuh_cdc_xfer_isr(uint8_t dev_addr, xfer_result_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes)
{
printf(serial_in_buffer);
tu_memclr(serial_in_buffer, sizeof(serial_in_buffer));
tuh_cdc_receive(dev_addr, serial_in_buffer, sizeof(serial_in_buffer), true); // waiting for next data
}
void virtual_com_task(void)

6
examples/host/cdc_msc_hid/src/tusb_config.h
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@@ -82,10 +82,10 @@
#define CFG_TUH_HUB 1 // not tested
#define CFG_TUH_CDC 1
#define CFG_TUH_HID_KEYBOARD 1
#define CFG_TUH_HID_MOUSE 1
#define CFG_TUH_HID_KEYBOARD 0
#define CFG_TUH_HID_MOUSE 0
#define CFG_TUSB_HOST_HID_GENERIC 0 // (not yet supported)
#define CFG_TUH_MSC 1
#define CFG_TUH_MSC 0
#define CFG_TUSB_HOST_DEVICE_MAX (CFG_TUH_HUB ? 5 : 1) // normal hub has 4 ports

4
src/class/cdc/cdc_host.h
View File

@@ -62,7 +62,7 @@
* \retval true if device supports
* \retval false if device does not support or is not mounted
*/
bool tuh_cdc_serial_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
bool tuh_cdc_serial_is_mounted(uint8_t dev_addr);
/** \brief Check if the interface is currently busy or not
* \param[in] dev_addr device address
@@ -73,7 +73,7 @@ bool tuh_cdc_serial_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESU
* can be scheduled. User needs to make sure the corresponding interface is mounted
* (by \ref tuh_cdc_serial_is_mounted) before calling this function.
*/
bool tuh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
bool tuh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid);
/** \brief Perform USB OUT transfer to device
* \param[in] dev_addr device address