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rmt: clean up LL driver

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This commit is contained in:
morris
2021-05-17 11:08:17 +08:00
parent bdb01b8285
commit a1494809b2
7 changed files with 72 additions and 96 deletions
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44
components/hal/esp32/include/hal/rmt_ll.h
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@@ -14,8 +14,8 @@
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include "soc/rmt_struct.h"
#include "soc/soc_caps.h"
#ifdef __cplusplus
extern "C" {
@@ -174,6 +174,11 @@ static inline bool rmt_ll_is_tx_loop_enabled(rmt_dev_t *dev, uint32_t channel)
return dev->conf_ch[channel].conf1.tx_conti_mode;
}
static inline void rmt_ll_tx_reset_loop(rmt_dev_t *dev, uint32_t channel)
{
// RMT on esp32 doesn't support loop count, adding this only for HAL API consistency
}
static inline void rmt_ll_rx_enable_filter(rmt_dev_t *dev, uint32_t channel, bool enable)
{
dev->conf_ch[channel].conf1.rx_filter_en = enable;
@@ -219,6 +224,15 @@ static inline void rmt_ll_tx_set_limit(rmt_dev_t *dev, uint32_t channel, uint32_
dev->tx_lim_ch[channel].limit = limit;
}
static inline void rmt_ll_enable_interrupt(rmt_dev_t *dev, uint32_t mask, bool enable)
{
if (enable) {
dev->int_ena.val |= mask;
} else {
dev->int_ena.val &= ~mask;
}
}
static inline void rmt_ll_enable_tx_end_interrupt(rmt_dev_t *dev, uint32_t channel, bool enable)
{
dev->int_ena.val &= ~(1 << (channel * 3));
@@ -330,33 +344,17 @@ static inline void rmt_ll_tx_set_carrier_level(rmt_dev_t *dev, uint32_t channel,
dev->conf_ch[channel].conf0.carrier_out_lv = level;
}
//Writes items to the specified TX channel memory with the given offset and writen length.
//Writes items to the specified TX channel memory with the given offset and length.
//the caller should ensure that (length + off) <= (memory block * SOC_RMT_MEM_WORDS_PER_CHANNEL)
static inline void rmt_ll_write_memory(rmt_mem_t *mem, uint32_t channel, const rmt_item32_t *data, uint32_t length, uint32_t off)
static inline void rmt_ll_write_memory(rmt_mem_t *mem, uint32_t channel, const void *data, size_t length_in_words, size_t off)
{
for (uint32_t i = 0; i < length; i++) {
mem->chan[channel].data32[i + off].val = data[i].val;
volatile uint32_t *to = (volatile uint32_t *)&mem->chan[channel].data32[off];
uint32_t *from = (uint32_t *)data;
while (length_in_words--) {
*to++ = *from++;
}
}
static inline void rmt_ll_config_update(rmt_dev_t *dev, uint32_t channel)
{
}
/************************************************************************************************
* Following Low Level APIs only used for backward compatible, will be deprecated in the IDF v5.0
***********************************************************************************************/
static inline void rmt_ll_set_intr_enable_mask(uint32_t mask)
{
RMT.int_ena.val |= mask;
}
static inline void rmt_ll_clr_intr_enable_mask(uint32_t mask)
{
RMT.int_ena.val &= (~mask);
}
#ifdef __cplusplus
}
#endif