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tests/periph_pm: avoid abusing shell command

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To allow marking the shell command static, add a trivial
_show_blockers() function that lists the current pm layered blocker
state.
This commit is contained in:
Marian Buschsieweke 2022-06-11 14:34:49 +02:00
parent e819b9054e
commit 9b0cf39312
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GPG Key ID: CB8E3238CE715A94
1 changed files with 18 additions and 4 deletions
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22
tests/periph_pm/main.c
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@ -34,8 +34,6 @@
#include "pm_layered.h"
#endif
extern int _pm_handler(int argc, char **argv);
#include "shell.h"
#ifndef BTN0_INT_FLANK
@ -172,6 +170,23 @@ static const shell_command_t shell_commands[] = {
{ NULL, NULL, NULL }
};
#if IS_USED(MODULE_PM_LAYERED)
static void _show_blockers(void)
{
uint8_t lowest_allowed_mode = 0;
pm_blocker_t pm_blocker = pm_get_blocker();
for (unsigned i = 0; i < PM_NUM_MODES; i++) {
printf("mode %u blockers: %u \n", i, pm_blocker.blockers[i]);
if (pm_blocker.blockers[i]) {
lowest_allowed_mode = i + 1;
}
}
printf("Lowest allowed mode: %u\n", lowest_allowed_mode);
}
#endif /* MODULE_PM_LAYERED */
/**
* @brief Application entry point.
*/
@ -191,8 +206,7 @@ int main(void)
* the state of PM blockers so that the user will know which power mode has
* been entered and is presumably responsible for the unresponsive shell.
*/
_pm_handler(2, (char *[]){"pm", "show"});
_show_blockers();
#else
puts("This application allows you to test the CPU power management.\n"
"Layered support is not unavailable for this CPU. Reset the CPU if\n"