// max timeout is 27 seconds at 160MHz clock and 54 seconds at 80MHz clock
unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout)
{
const uint32_t max_timeout_us = clockCyclesToMicroseconds(UINT_MAX);
if (timeout > max_timeout_us) {
timeout = max_timeout_us;
}
const uint32_t timeout_cycles = microsecondsToClockCycles(timeout);
const uint32_t start_cycle_count = xthal_get_ccount();
WAIT_FOR_PIN_STATE(!state);
WAIT_FOR_PIN_STATE(state);
const uint32_t pulse_start_cycle_count = xthal_get_ccount();
WAIT_FOR_PIN_STATE(!state);
return clockCyclesToMicroseconds(xthal_get_ccount() - pulse_start_cycle_count);
}
static void testthread(void *arg) {
intr_handle_t handle;
in_int_context=0;
int_handled=0;
TEST_ASSERT(!xPortInIsrContext());
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
esp_err_t err = esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, 0, &testint, NULL, &handle);
TEST_ASSERT_EQUAL_HEX32(ESP_OK, err);
vTaskDelay(100 / portTICK_PERIOD_MS);
TEST_ASSERT(int_handled);
TEST_ASSERT(in_int_context);
TEST_ASSERT_EQUAL_HEX32( ESP_OK, esp_intr_free(handle) );
vTaskDelete(NULL);
}
void local_timer_test()
{
intr_handle_t ih;
esp_err_t r;
r=esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, 0, int_timer_handler, NULL, &ih);
TEST_ASSERT(r==ESP_OK);
printf("Int timer 1 intno %d\n", esp_intr_get_intno(ih));
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
printf("Disabling int\n");
esp_intr_disable(ih);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr==0);
printf("Re-enabling\n");
esp_intr_enable(ih);
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
printf("Free int, re-alloc disabled\n");
r=esp_intr_free(ih);
TEST_ASSERT(r==ESP_OK);
r=esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, ESP_INTR_FLAG_INTRDISABLED, int_timer_handler, NULL, &ih);
TEST_ASSERT(r==ESP_OK);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr==0);
printf("Re-enabling\n");
esp_intr_enable(ih);
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
r=esp_intr_free(ih);
TEST_ASSERT(r==ESP_OK);
printf("Done.\n");
}
void sdk_os_delay_us(uint16_t us) {
uint32_t start_ccount = xthal_get_ccount();
uint32_t delay_ccount = cpu_freq * us;
while (xthal_get_ccount() - start_ccount < delay_ccount) {}
}
void int_timer_handler(void *arg) {
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
int_timer_ctr++;
}
static void testint(void *arg) {
xthal_set_ccompare(1, xthal_get_ccount()+8000000000);
ets_printf("INT!\n");
if (xPortInIsrContext()) in_int_context++;
int_handled++;
}
/* To avoid accidentally losing the fix for the TCP port randomization
* during an LWIP upgrade, we've implemented most it outside the LWIP
* source itself. This enables us to test for the presence of the fix
* /at link time/ and error out if it's been lost.
* The fix itself consists of putting the function-static 'port' variable
* into its own section, and get the linker to provide an alias for it.
* From there we can then manually randomize it at boot.
*/
static inline void tcp_random_port_init (void)
{
extern uint16_t _tcp_new_port_port; // provided by the linker script
_tcp_new_port_port += xthal_get_ccount () % 4096;
}
