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pcnt: add pcnt peripheral signal connections

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pcnt: fix bug in clear interrupt status
This commit is contained in:
morris
2020-09-18 17:22:59 +08:00
parent 669331d0c4
commit 74d78148bc
15 changed files with 484 additions and 88 deletions
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71
components/hal/esp32/include/hal/pcnt_ll.h
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@@ -32,6 +32,50 @@ extern "C" {
// Get PCNT hardware instance with giving pcnt num
#define PCNT_LL_GET_HW(num) (((num) == 0) ? (&PCNT) : NULL)
/**
* @brief Set PCNT channel edge mode
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @param channel PCNT channel number
* @param pos_mode Counter mode when detecting positive edge
* @param neg_mode Counter mode when detecting negative edge
*/
static inline void pcnt_ll_set_edge_mode(pcnt_dev_t *hw, pcnt_unit_t unit, pcnt_channel_t channel, pcnt_count_mode_t pos_mode, pcnt_count_mode_t neg_mode)
{
typeof(hw->conf_unit[unit].conf0) conf0_reg = hw->conf_unit[unit].conf0;
if (channel == 0) {
conf0_reg.ch0_pos_mode = pos_mode;
conf0_reg.ch0_neg_mode = neg_mode;
} else {
conf0_reg.ch1_pos_mode = pos_mode;
conf0_reg.ch1_neg_mode = neg_mode;
}
hw->conf_unit[unit].conf0 = conf0_reg;
}
/**
* @brief Set PCNT channel level mode
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @param channel PCNT channel number
* @param hctrl_mode Counter mode when control signal is high level
* @param lctrl_mode Counter mode when control signal is low level
*/
static inline void pcnt_ll_set_level_mode(pcnt_dev_t *hw, pcnt_unit_t unit, pcnt_channel_t channel, pcnt_ctrl_mode_t hctrl_mode, pcnt_ctrl_mode_t lctrl_mode)
{
typeof(hw->conf_unit[unit].conf0) conf0_reg = hw->conf_unit[unit].conf0;
if (channel == 0) {
conf0_reg.ch0_hctrl_mode = hctrl_mode;
conf0_reg.ch0_lctrl_mode = lctrl_mode;
} else {
conf0_reg.ch1_hctrl_mode = hctrl_mode;
conf0_reg.ch1_lctrl_mode = lctrl_mode;
}
hw->conf_unit[unit].conf0 = conf0_reg;
}
/**
* @brief Set PCNT counter mode
*
@@ -45,19 +89,8 @@ extern "C" {
*/
static inline void pcnt_ll_set_mode(pcnt_dev_t *hw, pcnt_unit_t unit, pcnt_channel_t channel, pcnt_count_mode_t pos_mode, pcnt_count_mode_t neg_mode, pcnt_ctrl_mode_t hctrl_mode, pcnt_ctrl_mode_t lctrl_mode)
{
typeof(hw->conf_unit[unit].conf0) conf0_reg = hw->conf_unit[unit].conf0;
if (channel == 0) {
conf0_reg.ch0_pos_mode = pos_mode;
conf0_reg.ch0_neg_mode = neg_mode;
conf0_reg.ch0_hctrl_mode = hctrl_mode;
conf0_reg.ch0_lctrl_mode = lctrl_mode;
} else {
conf0_reg.ch1_pos_mode = pos_mode;
conf0_reg.ch1_neg_mode = neg_mode;
conf0_reg.ch1_hctrl_mode = hctrl_mode;
conf0_reg.ch1_lctrl_mode = lctrl_mode;
}
hw->conf_unit[unit].conf0 = conf0_reg;
pcnt_ll_set_edge_mode(hw, unit, channel, pos_mode, neg_mode);
pcnt_ll_set_level_mode(hw, unit, channel, hctrl_mode, lctrl_mode);
}
/**
@@ -247,6 +280,18 @@ static inline void pcnt_ll_get_event_value(pcnt_dev_t *hw, pcnt_unit_t unit, pcn
}
}
/**
* @brief Get PCNT event status
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @return event status word
*/
static inline uint32_t pcnt_ll_get_event_status(pcnt_dev_t *hw, pcnt_unit_t unit)
{
return hw->status_unit[unit].val;
}
/**
* @brief Set PCNT filter value
*