/**
* Initialize the PEVC for the example.
*/
static void init_events(void)
{
struct events_conf events_config;
struct events_ch_conf ch_config;
/* Initialize event module */
events_get_config_defaults(&events_config);
events_config.igf_divider = EVENT_IGF_DIVIDER_1024;
events_init(&events_config);
events_enable();
/*
* Configure an event channel
* - GPIO PAD_EVT 1 --- Generator
* - PDCA channel 0 --- User
* - Enable falling edge detection for EVS
*/
events_ch_get_config_defaults(&ch_config);
ch_config.channel_id = PEVC_ID_USER_PDCA_0;
ch_config.generator_id = PEVC_ID_GEN_PAD_1;
ch_config.sharper_enable = true;
ch_config.igf_edge = EVENT_IGF_EDGE_FALLING;
events_ch_configure(&ch_config);
/* Enable the channel */
events_ch_enable(PEVC_ID_USER_PDCA_0);
}
//! [quick_start_init_events_function]
static void init_events(void)
{
struct events_conf events_config;
struct events_ch_conf ch_config;
/* Initialize event module */
events_get_config_defaults(&events_config);
events_init(&events_config);
events_enable();
/*
* Configure an event channel
* - AST periodic event 0 --- Generator
* - PDCA channel 0 --- User
*/
events_ch_get_config_defaults(&ch_config);
ch_config.channel_id = PEVC_ID_USER_PDCA_0;
ch_config.generator_id = PEVC_ID_GEN_AST_2;
ch_config.shaper_enable = true;
ch_config.igf_edge = EVENT_IGF_EDGE_NONE;
events_ch_configure(&ch_config);
/* Enable the channel */
events_ch_enable(PEVC_ID_USER_PDCA_0);
}
/**
* \brief Test events driver with AST trigger.
*
* \param test Current test case.
*/
static void run_events_ast_test(const struct test_case *test)
{
uint32_t retry_times = 3;
bool trigger_flag = false;
struct events_conf events_config;
struct events_ch_conf ch_config;
init_ast();
init_dacc();
/* Initialize event module */
events_get_config_defaults(&events_config);
events_init(&events_config);
events_enable();
/*
* Configure an event channel
* - AST periodic event 0 --- Generator
* - DAC --- User
*/
events_ch_get_config_defaults(&ch_config);
ch_config.channel_id = CONF_TEST_USER_ID;
ch_config.generator_id = CONF_TEST_GEN_ID;
ch_config.shaper_enable = true;
ch_config.igf_edge = EVENT_IGF_EDGE_NONE;
events_ch_configure(&ch_config);
/* Enable the channel */
events_ch_enable(CONF_TEST_USER_ID);
/* Set new DACC value */
dacc_write_conversion_data(DACC, DACC_MAX_DATA / 2);
/* Wait for AST event trigger */
events_ch_clear_trigger_status(CONF_TEST_USER_ID);
do {
if (events_ch_is_triggered(CONF_TEST_USER_ID)) {
trigger_flag = true;
events_ch_clear_trigger_status(CONF_TEST_USER_ID);
break;
}
delay_ms(1000);
} while (retry_times--);
/* Disable the AST */
ast_disable(AST);
test_assert_true(test, trigger_flag, "AST event not triggered!");
}
/**
* Initialize the PEVC for the example.
*/
static void init_pevc(void)
{
/* Set input glitch filter divider to 0x0A (2^10) */
struct events_conf config;
events_get_config_defaults(&config);
events_init(&config);
/*
* Setup and enable PEVC channel:
* - Generator: PAD_EVT 1
* - User: PDCA - channel 0 transfer one word
* - Enable falling edge detection for EVS
*/
struct events_ch_conf ch_config;
events_ch_get_config_defaults(&ch_config);
ch_config.channel_id = PEVC_ID_USER_PDCA_0;
ch_config.generator_id = PEVC_ID_GEN_PAD_1;
ch_config.shaper_enable = true;
ch_config.igf_edge = EVENT_IGF_EDGE_FALLING;
events_ch_configure(&ch_config);
events_ch_enable(PEVC_ID_USER_PDCA_0);
}