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PCNT: Fixed pcnt_counter_clear, Pulse Count now able to resume after API call

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This commit is contained in:
Nilay 2017-06-16 11:11:52 +05:30
parent e045253883
commit f50b5481fa
1 changed files with 3 additions and 1 deletions
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4
components/driver/pcnt.c
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@ -143,7 +143,9 @@ esp_err_t pcnt_counter_clear(pcnt_unit_t pcnt_unit)
{ {
PCNT_CHECK(pcnt_unit < PCNT_UNIT_MAX, PCNT_UNIT_ERR_STR, ESP_ERR_INVALID_ARG); PCNT_CHECK(pcnt_unit < PCNT_UNIT_MAX, PCNT_UNIT_ERR_STR, ESP_ERR_INVALID_ARG);
PCNT_ENTER_CRITICAL(&pcnt_spinlock); PCNT_ENTER_CRITICAL(&pcnt_spinlock);
PCNT.ctrl.val &= (~(BIT(PCNT_PLUS_CNT_RST_U0_S + (pcnt_unit * 2)))); uint32_t reset_bit = BIT(PCNT_PLUS_CNT_RST_U0_S + (pcnt_unit * 2));
PCNT.ctrl.val |= reset_bit;
PCNT.ctrl.val &= ~reset_bit;
PCNT_EXIT_CRITICAL(&pcnt_spinlock); PCNT_EXIT_CRITICAL(&pcnt_spinlock);
return ESP_OK; return ESP_OK;
} }