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diagdummy srpr2 wait for device lock

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This commit is contained in:
Kamil Kowalczyk
2025-11-24 22:29:59 +01:00
parent cc2b96f37a
commit a52dc89f9f
1 changed files with 6 additions and 0 deletions
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6
user/diagdummy/serial.c
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@ -6,6 +6,8 @@
#define SENDREADY 1 #define SENDREADY 1
#define RECVB 2 #define RECVB 2
#define RECVREADY 3 #define RECVREADY 3
#define LOCK 4
#define UNLOCK 5
void diagdummy_srpr(void) { void diagdummy_srpr(void) {
char *str = "Hello world\n"; char *str = "Hello world\n";
@ -35,9 +37,13 @@ void diagdummy_srpr2(void) {
Dev_t serialdev; Dev_t serialdev;
dev_gethandle(&serialdev, "serialdev"); dev_gethandle(&serialdev, "serialdev");
while(dev_cmd(&serialdev, LOCK, NULL, 0) != E_OK);
for (;;) { for (;;) {
while (!dev_cmd(&serialdev, SENDREADY, NULL, 0)); while (!dev_cmd(&serialdev, SENDREADY, NULL, 0));
dev_cmd(&serialdev, SENDB, str, 1); dev_cmd(&serialdev, SENDB, str, 1);
schedsleep(500); schedsleep(500);
} }
dev_cmd(&serialdev, UNLOCK, NULL, 0);
} }