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shell: Add warning about not initialized backend

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Shell will display a warning message if there was a request to print
a message on the not initialized shell backend.

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordisemi.no>
This commit is contained in:
Jakub Rzeszutko 2020-08-03 15:12:17 +02:00 • committed by Anas Nashif
commit dac8728856
3 changed files with 20 additions and 1 deletions
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3
include/shell/shell.h
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@ -541,8 +541,9 @@ struct shell_flags {
uint32_t tx_rdy :1;
uint32_t mode_delete :1; /*!< Operation mode of backspace key */
uint32_t history_exit:1; /*!< Request to exit history mode */
uint32_t cmd_ctx :1; /*!< Shell is executing command */
uint32_t cmd_ctx :1; /*!< Shell is executing command */
uint32_t last_nl :8; /*!< Last received new line character */
uint32_t print_noinit:1; /*!< Print request from not initialized shell*/
};
BUILD_ASSERT((sizeof(struct shell_flags) == sizeof(uint32_t)),