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updat cdc host app

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This commit is contained in:
hathach 2022-12-21 11:47:07 +07:00
parent cb2af4c0bc
commit b3e63c335a
1 changed files with 49 additions and 6 deletions
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55
examples/host/cdc_msc_hid/src/cdc_app.c
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@ -25,6 +25,7 @@
*/
#include "tusb.h"
#include "bsp/board.h"
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
@ -33,19 +34,61 @@
//------------- IMPLEMENTATION -------------//
size_t get_console_inputs(uint8_t* buf, size_t bufsize)
{
size_t count = 0;
while (count < bufsize)
{
int ch = board_getchar();
if ( ch <= 0 ) break;
buf[count] = (uint8_t) ch;
count++;
}
return count;
}
void cdc_app_task(void)
{
uint8_t buf[64+1]; // +1 for extra null character
memset(buf, 0, sizeof(buf));
size_t count = get_console_inputs(buf, sizeof(buf)-1);
// loop over all mounted interfaces
for(size_t idx=0; idx<CFG_TUH_CDC; idx++)
{
if ( tuh_cdc_mounted(idx) )
{
// console --> cdc interfaces
if (count)
{
tuh_cdc_write(idx, buf, count);
tuh_cdc_write_flush(idx);
}
// cdc interfaces -> console
if ( tuh_cdc_read_available(idx) )
{
printf((char*) buf);
}
}
}
}
void tuh_cdc_mount_cb(uint8_t dev_addr)
void tuh_cdc_mount_cb(uint8_t idx)
{
(void) dev_addr;
printf("A CDC device is mounted\r\n");
tuh_cdc_itf_info_t itf_info;
tuh_cdc_itf_get_info(idx, &itf_info);
printf("CDC Interface is mounted: device address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber);
}
void tuh_cdc_umount_cb(uint8_t dev_addr)
void tuh_cdc_umount_cb(uint8_t idx)
{
(void) dev_addr;
printf("A CDC device is unmounted\r\n");
tuh_cdc_itf_info_t itf_info;
tuh_cdc_itf_get_info(idx, &itf_info);
printf("CDC Interface is unmounted: device address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber);
}