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feat(esp_timer): added kconfig option for placing IRAM code into flash

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This commit is contained in:
Marius Vikhammer
2025-03-03 14:16:44 +08:00
parent 3fdcf31857
commit 55be8bdc0d
14 changed files with 123 additions and 82 deletions
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17
components/esp_timer/src/esp_timer_impl_systimer.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2017-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2017-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -60,12 +60,12 @@ extern portMUX_TYPE s_time_update_lock;
/* Alarm values to generate interrupt on match */
extern uint64_t timestamp_id[2];
uint64_t IRAM_ATTR esp_timer_impl_get_counter_reg(void)
uint64_t ESP_TIMER_IRAM_ATTR esp_timer_impl_get_counter_reg(void)
{
return systimer_hal_get_counter_value(&systimer_hal, SYSTIMER_COUNTER_ESPTIMER);
}
int64_t IRAM_ATTR esp_timer_impl_get_time(void)
int64_t ESP_TIMER_IRAM_ATTR esp_timer_impl_get_time(void)
{
// we hope the execution time of this function won't > 1us
// thus, to save one function call, we didn't use the existing `systimer_hal_get_time`
@@ -74,7 +74,7 @@ int64_t IRAM_ATTR esp_timer_impl_get_time(void)
int64_t esp_timer_get_time(void) __attribute__((alias("esp_timer_impl_get_time")));
void IRAM_ATTR esp_timer_impl_set_alarm_id(uint64_t timestamp, unsigned alarm_id)
void ESP_TIMER_IRAM_ATTR esp_timer_impl_set_alarm_id(uint64_t timestamp, unsigned alarm_id)
{
assert(alarm_id < sizeof(timestamp_id) / sizeof(timestamp_id[0]));
portENTER_CRITICAL_SAFE(&s_time_update_lock);
@@ -84,7 +84,7 @@ void IRAM_ATTR esp_timer_impl_set_alarm_id(uint64_t timestamp, unsigned alarm_id
portEXIT_CRITICAL_SAFE(&s_time_update_lock);
}
static void IRAM_ATTR timer_alarm_isr(void *arg)
static void ESP_TIMER_IRAM_ATTR timer_alarm_isr(void *arg)
{
#if ISR_HANDLERS == 1
// clear the interrupt
@@ -129,7 +129,7 @@ static void IRAM_ATTR timer_alarm_isr(void *arg)
#endif // ISR_HANDLERS != 1
}
void IRAM_ATTR esp_timer_impl_update_apb_freq(uint32_t apb_ticks_per_us)
void ESP_TIMER_IRAM_ATTR esp_timer_impl_update_apb_freq(uint32_t apb_ticks_per_us)
{
#if !SOC_SYSTIMER_FIXED_DIVIDER
systimer_hal_on_apb_freq_update(&systimer_hal, apb_ticks_per_us);
@@ -200,7 +200,10 @@ esp_err_t esp_timer_impl_init(intr_handler_t alarm_handler)
#if !SOC_SYSTIMER_INT_LEVEL
| ESP_INTR_FLAG_EDGE
#endif
| ESP_INTR_FLAG_IRAM;
#if CONFIG_ESP_TIMER_IN_IRAM
| ESP_INTR_FLAG_IRAM
#endif
;
esp_err_t err = esp_intr_alloc(ETS_SYSTIMER_TARGET2_INTR_SOURCE, isr_flags,
&timer_alarm_isr, NULL,