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shell: safe print from different threads

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Added display text management to shell_fprintf function.
Now it can be used from diffrent threads with not risk that
displayed lines will overlay.

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Jakub Rzeszutko 2019-01-29 11:40:08 +01:00 • committed by Carles Cufí
commit ce6be8600b
8 changed files with 67 additions and 44 deletions
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2
subsys/shell/shell_cmds.c
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@ -70,7 +70,7 @@ static int cursor_position_get(const struct shell *shell, u16_t *x, u16_t *y)
/* fprintf buffer needs to be flushed to start sending prepared
* escape code to the terminal.
*/
shell_fprintf_buffer_flush(shell->fprintf_ctx);
transport_buffer_flush(shell);
/* timeout for terminal response = ~1s */
for (u16_t i = 0; i < 1000; i++) {