bilbo/saturn-examples
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cdc/serial: disable tdre polling

Browse Source
This commit is contained in:
Zack Buhman 2025-08-08 15:45:39 -05:00
parent e9ef21865c
commit 9f758e75f0
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
cdc/serial.c
View File

@ -4,14 +4,14 @@
void serial_char(const char c)
{
while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
//while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
sh2.reg.TDR = c;
}
void serial_string(const char * s)
{
while (*s) {
while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
//while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
sh2.reg.TDR = *s++;
}
}
@ -19,7 +19,7 @@ void serial_string(const char * s)
void serial_bytes(const char * s, uint32_t length)
{
while (length > 0) {
while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
//while ((sh2.reg.SSR & SSR__TDRE) == 0); // wait for transmit data empty
sh2.reg.TDR = *s++;
length -= 1;
}