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Merge branch 'feature/rmt_clock_support_ref_tick' into 'master'

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rmt: support ref tick && refactor unit test && re-enable unit test on ESP32-S2

Closes IDFGH-1715

See merge request espressif/esp-idf!7614
This commit is contained in:
Angus Gratton
2020-03-06 15:03:52 +08:00
parent 46e6307e07 acd4d4a40b
commit a9854f7085
15 changed files with 297 additions and 764 deletions
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5
components/driver/include/driver/rmt.h
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@@ -28,6 +28,8 @@ extern "C" {
#include "soc/rmt_struct.h"
#include "hal/rmt_types.h"
#define RMT_CHANNEL_FLAGS_ALWAYS_ON (1 << 0) /*!< Channel can work when APB frequency is changing (RMT channel adopts REF_TICK as clock source) */
/**
* @brief Define memory space of each RMT channel (in words = 4 bytes)
*
@@ -65,6 +67,7 @@ typedef struct {
gpio_num_t gpio_num; /*!< RMT GPIO number */
uint8_t clk_div; /*!< RMT channel counter divider */
uint8_t mem_block_num; /*!< RMT memory block number */
uint32_t flags; /*!< RMT channel extra configurations, OR'd with RMT_CHANNEL_FLAGS_[*] */
union {
rmt_tx_config_t tx_config; /*!< RMT TX parameter */
rmt_rx_config_t rx_config; /*!< RMT RX parameter */
@@ -82,6 +85,7 @@ typedef struct {
.gpio_num = gpio, \
.clk_div = 80, \
.mem_block_num = 1, \
.flags = 0, \
.tx_config = { \
.carrier_freq_hz = 38000, \
.carrier_level = RMT_CARRIER_LEVEL_HIGH, \
@@ -104,6 +108,7 @@ typedef struct {
.gpio_num = gpio, \
.clk_div = 80, \
.mem_block_num = 1, \
.flags = 0, \
.rx_config = { \
.idle_threshold = 12000, \
.filter_ticks_thresh = 100, \