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ulp: add support for using lp timer with lp core on C6

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This commit is contained in:
Marius Vikhammer
2023-04-26 13:58:19 +08:00
parent f5020d3f1b
commit 45fd8feba3
23 changed files with 504 additions and 55 deletions
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3
components/hal/esp32c6/include/hal/lp_timer_hal.h
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@@ -28,9 +28,8 @@ void lp_timer_hal_set_alarm_target(uint8_t timer_id, uint64_t value);
/**
* @brief get current counter value
*
* @param timer_id timer num of lp_timer, 0 or 1 for esp32c6
*/
uint64_t lp_timer_hal_get_cycle_count(uint8_t timer_id);
uint64_t lp_timer_hal_get_cycle_count(void);
/**
* @brief clear alarm interrupt status

14
components/hal/esp32c6/include/hal/lp_timer_ll.h
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@@ -14,6 +14,7 @@
#include "soc/lp_timer_struct.h"
#include "soc/lp_aon_reg.h"
#include "hal/lp_timer_types.h"
#include "esp_attr.h"
#ifdef __cplusplus
extern "C" {
@@ -30,14 +31,14 @@ FORCE_INLINE_ATTR void lp_timer_ll_set_target_enable(lp_timer_dev_t *dev, uint8_
dev->target[timer_id].hi.enable = en;
}
FORCE_INLINE_ATTR uint32_t lp_timer_ll_get_counter_value_low(lp_timer_dev_t *dev, uint8_t timer_id)
FORCE_INLINE_ATTR uint32_t lp_timer_ll_get_counter_value_low(lp_timer_dev_t *dev, uint8_t buffer_id)
{
return dev->counter[timer_id].lo.counter_lo;
return dev->counter[buffer_id].lo.counter_lo;
}
FORCE_INLINE_ATTR uint32_t lp_timer_ll_get_counter_value_high(lp_timer_dev_t *dev, uint8_t timer_id)
FORCE_INLINE_ATTR uint32_t lp_timer_ll_get_counter_value_high(lp_timer_dev_t *dev, uint8_t buffer_id)
{
return dev->counter[timer_id].hi.counter_hi;
return dev->counter[buffer_id].hi.counter_hi;
}
FORCE_INLINE_ATTR void lp_timer_ll_counter_snapshot(lp_timer_dev_t *dev)
@@ -55,6 +56,11 @@ FORCE_INLINE_ATTR void lp_timer_ll_clear_overflow_intr_status(lp_timer_dev_t *de
dev->int_clr.overflow = 1;
}
FORCE_INLINE_ATTR void lp_timer_ll_clear_lp_alarm_intr_status(lp_timer_dev_t *dev)
{
dev->lp_int_clr.alarm = 1;
}
FORCE_INLINE_ATTR uint64_t lp_timer_ll_time_to_count(uint64_t time_in_us)
{
uint32_t slow_clk_value = REG_READ(LP_AON_STORE1_REG);

9
components/hal/esp32c6/lp_timer_hal.c
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@@ -23,11 +23,14 @@ void IRAM_ATTR lp_timer_hal_set_alarm_target(uint8_t timer_id, uint64_t value)
lp_timer_ll_set_target_enable(lp_timer_context.dev, timer_id, true);
}
uint64_t IRAM_ATTR lp_timer_hal_get_cycle_count(uint8_t timer_id)
uint64_t IRAM_ATTR lp_timer_hal_get_cycle_count(void)
{
/* Shifts current count to buffer 0, and the value in buffer 0 to buffer 1 */
lp_timer_ll_counter_snapshot(lp_timer_context.dev);
uint32_t lo = lp_timer_ll_get_counter_value_low(lp_timer_context.dev, timer_id);
uint32_t hi = lp_timer_ll_get_counter_value_high(lp_timer_context.dev, timer_id);
uint32_t lo = lp_timer_ll_get_counter_value_low(lp_timer_context.dev, 0);
uint32_t hi = lp_timer_ll_get_counter_value_high(lp_timer_context.dev, 0);
lp_timer_counter_value_t result = {
.lo = lo,
.hi = hi