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Merge branch 'bugfix/rmt_undetermined_idle_level' into 'release/v4.4'

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rmt: fix undetermined idle level (v4.4)

See merge request espressif/esp-idf!18035
This commit is contained in:
morris 2022-05-11 12:25:21 +08:00
commit 571afca7dc
1 changed files with 15 additions and 4 deletions
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19
components/driver/rmt.c
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@ -795,16 +795,19 @@ static void IRAM_ATTR rmt_driver_isr_default(void *arg)
}
const rmt_item32_t *pdata = p_rmt->tx_data;
size_t len_rem = p_rmt->tx_len_rem;
rmt_idle_level_t idle_level = rmt_ll_tx_get_idle_level(hal->regs, channel);
rmt_item32_t stop_data = (rmt_item32_t) {
.level0 = idle_level,
.duration0 = 0,
};
if (len_rem >= p_rmt->tx_sub_len) {
rmt_fill_memory(channel, pdata, p_rmt->tx_sub_len, p_rmt->tx_offset);
p_rmt->tx_data += p_rmt->tx_sub_len;
p_rmt->tx_len_rem -= p_rmt->tx_sub_len;
} else if (len_rem == 0) {
rmt_item32_t stop_data = {0};
rmt_ll_write_memory(rmt_contex.hal.mem, channel, &stop_data, 1, p_rmt->tx_offset);
} else {
rmt_fill_memory(channel, pdata, len_rem, p_rmt->tx_offset);
rmt_item32_t stop_data = {0};
rmt_ll_write_memory(rmt_contex.hal.mem, channel, &stop_data, 1, p_rmt->tx_offset + len_rem);
p_rmt->tx_data += len_rem;
p_rmt->tx_len_rem -= len_rem;
@ -1140,7 +1143,11 @@ esp_err_t rmt_write_items(rmt_channel_t channel, const rmt_item32_t *rmt_item, i
p_rmt->tx_sub_len = item_sub_len;
} else {
rmt_fill_memory(channel, rmt_item, len_rem, 0);
rmt_item32_t stop_data = {0};
rmt_idle_level_t idle_level = rmt_ll_tx_get_idle_level(rmt_contex.hal.regs, channel);
rmt_item32_t stop_data = (rmt_item32_t) {
.level0 = idle_level,
.duration0 = 0,
};
rmt_ll_write_memory(rmt_contex.hal.mem, channel, &stop_data, 1, len_rem);
p_rmt->tx_len_rem = 0;
}
@ -1276,7 +1283,11 @@ esp_err_t rmt_write_sample(rmt_channel_t channel, const uint8_t *src, size_t src
p_rmt->tx_sub_len = item_sub_len;
p_rmt->translator = true;
} else {
rmt_item32_t stop_data = {0};
rmt_idle_level_t idle_level = rmt_ll_tx_get_idle_level(rmt_contex.hal.regs, channel);
rmt_item32_t stop_data = (rmt_item32_t) {
.level0 = idle_level,
.duration0 = 0,
};
rmt_ll_write_memory(rmt_contex.hal.mem, channel, &stop_data, 1, p_rmt->tx_len_rem);
p_rmt->tx_len_rem = 0;
p_rmt->sample_cur = NULL;