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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" #include "pm_layered.h"
#endif #endif
extern int _pm_handler(int argc, char **argv);
#include "shell.h" #include "shell.h"
#ifndef BTN0_INT_FLANK #ifndef BTN0_INT_FLANK
@ -172,6 +170,23 @@ static const shell_command_t shell_commands[] = {
{ NULL, NULL, NULL } { 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. * @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 * 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. * been entered and is presumably responsible for the unresponsive shell.
*/ */
_pm_handler(2, (char *[]){"pm", "show"}); _show_blockers();
#else #else
puts("This application allows you to test the CPU power management.\n" 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" "Layered support is not unavailable for this CPU. Reset the CPU if\n"