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echo to both serial at once

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hathach 2020-01-11 12:59:02 +07:00
parent 242a2b6126
commit 08da3e80b7
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1 changed files with 7 additions and 4 deletions
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9
examples/device/cdc_dual_ports/src/main.c
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@ -50,7 +50,9 @@ int main(void)
return 0; return 0;
} }
static void echo_all(uint8_t itf, uint8_t buf[], uint32_t count) // echo to either Serial0 or Serial1
// with Serial0 as all lower case, Serial1 as all upper case
static void echo_serial_port(uint8_t itf, uint8_t buf[], uint32_t count)
{ {
for(uint32_t i=0; i<count; i++) for(uint32_t i=0; i<count; i++)
{ {
@ -89,8 +91,9 @@ static void cdc_task(void)
uint32_t count = tud_cdc_n_read(itf, buf, sizeof(buf)); uint32_t count = tud_cdc_n_read(itf, buf, sizeof(buf));
// echo back to cdc // echo back to both serial ports
echo_all(itf, buf, count); echo_serial_port(0, buf, count);
echo_serial_port(1, buf, count);
} }
} }
} }