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testsuite: busy_sim: Add callback to the interrupt

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Add optional callback which is called from the busy
interrupt context.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2021-10-22 15:36:00 +02:00 • committed by Carles Cufí
commit f2e75a7140
3 changed files with 18 additions and 3 deletions
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8
subsys/testsuite/busy_sim/busy_sim.c
View file

@ -21,6 +21,7 @@ struct busy_sim_data {
struct k_work work; struct k_work work;
struct ring_buf rnd_rbuf; struct ring_buf rnd_rbuf;
uint8_t rnd_buf[BUFFER_SIZE]; uint8_t rnd_buf[BUFFER_SIZE];
busy_sim_cb_t cb;
}; };
struct busy_sim_config { struct busy_sim_config {
@ -110,6 +111,10 @@ static void counter_alarm_callback(const struct device *dev,
} }
/* Busy loop */ /* Busy loop */
if (data->cb) {
data->cb();
}
k_busy_wait(get_timeout(false) / data->us_tick); k_busy_wait(get_timeout(false) / data->us_tick);
if (config->pin_spec.port) { if (config->pin_spec.port) {
@ -123,12 +128,13 @@ static void counter_alarm_callback(const struct device *dev,
} }
void busy_sim_start(uint32_t active_avg, uint32_t active_delta, void busy_sim_start(uint32_t active_avg, uint32_t active_delta,
uint32_t idle_avg, uint32_t idle_delta) uint32_t idle_avg, uint32_t idle_delta, busy_sim_cb_t cb)
{ {
int err; int err;
const struct busy_sim_config *config = get_dev_config(busy_sim_dev); const struct busy_sim_config *config = get_dev_config(busy_sim_dev);
struct busy_sim_data *data = get_dev_data(busy_sim_dev); struct busy_sim_data *data = get_dev_data(busy_sim_dev);
data->cb = cb;
data->active_avg = active_avg; data->active_avg = active_avg;
data->active_delta = active_delta; data->active_delta = active_delta;
data->idle_avg = idle_avg; data->idle_avg = idle_avg;

11
subsys/testsuite/include/busy_sim.h
View file

@ -6,6 +6,8 @@
#ifndef BUSY_SIM_H__ #ifndef BUSY_SIM_H__
#define BUSY_SIM_H__ #define BUSY_SIM_H__
typedef void (*busy_sim_cb_t)(void);
/** /**
* @brief Start busy simulator. * @brief Start busy simulator.
* *
@ -16,12 +18,19 @@
* values and keep them in a ring buffer. * values and keep them in a ring buffer.
* *
* @param active_avg Avarage time of busy looping in the counter callback (in microseconds). * @param active_avg Avarage time of busy looping in the counter callback (in microseconds).
*
* @param active_delta Specifies deviation from avarage time of busy looping (in microseconds). * @param active_delta Specifies deviation from avarage time of busy looping (in microseconds).
*
* @param idle_avg Avarage time of counter alarm timeout (in microseconds). * @param idle_avg Avarage time of counter alarm timeout (in microseconds).
*
* @param idle_delta Specifies deviation from avarage time of counter alarm (in microseconds). * @param idle_delta Specifies deviation from avarage time of counter alarm (in microseconds).
*
* @param cb Callback called from the context of the busy simulator timeout. If ZLI interrupt
* is used for busy simulator counter then kernel API cannot be used from that callback.
* Callback is called before busy waiting.
*/ */
void busy_sim_start(uint32_t active_avg, uint32_t active_delta, void busy_sim_start(uint32_t active_avg, uint32_t active_delta,
uint32_t idle_avg, uint32_t idle_delta); uint32_t idle_avg, uint32_t idle_delta, busy_sim_cb_t cb);
/** @brief Stop busy simulator. */ /** @brief Stop busy simulator. */
void busy_sim_stop(void); void busy_sim_stop(void);

2
tests/ztest/busy_sim/src/main.c
View file

@ -21,7 +21,7 @@ static void test_busy_sim(void)
/* Start busy simulator and check that k_busy_wait last longer */ /* Start busy simulator and check that k_busy_wait last longer */
t = k_uptime_get_32(); t = k_uptime_get_32();
busy_sim_start(500, 200, 1000, 400); busy_sim_start(500, 200, 1000, 400, NULL);
k_busy_wait(1000 * ms); k_busy_wait(1000 * ms);
t = k_uptime_get_32() - t; t = k_uptime_get_32() - t;
busy_ms = (3 * ms) / 2; busy_ms = (3 * ms) / 2;