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feat(csi): support using internal buffer when there's no new trans buffer

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Also when the new trans buffer is not big enough
This commit is contained in:
Armando 2024-04-12 14:56:23 +08:00
parent ce1e996747
commit e7c1f6b3b2
1 changed files with 15 additions and 6 deletions
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21
components/esp_driver_cam/csi/src/esp_cam_ctlr_csi.c
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@ -280,16 +280,25 @@ static bool csi_dma_trans_done_callback(dw_gdma_channel_handle_t chan, const dw_
if (ctlr->cbs.on_get_new_trans) {
need_yield = ctlr->cbs.on_get_new_trans(&(ctlr->base), &new_trans, ctlr->cbs_user_data);
assert(new_trans.buflen >= ctlr->fb_size_in_bytes);
csi_dma_transfer_config.dst.addr = (uint32_t)(new_trans.buffer);
if (!(new_trans.buffer) || new_trans.buflen < ctlr->fb_size_in_bytes) {
use_backup = true;
} else {
csi_dma_transfer_config.dst.addr = (uint32_t)(new_trans.buffer);
}
} else if (xQueueReceiveFromISR(ctlr->trans_que, &new_trans, &high_task_woken) == pdTRUE) {
assert(new_trans.buflen >= ctlr->fb_size_in_bytes);
csi_dma_transfer_config.dst.addr = (uint32_t)(new_trans.buffer);
if (!(new_trans.buffer) || new_trans.buflen < ctlr->fb_size_in_bytes) {
use_backup = true;
} else {
csi_dma_transfer_config.dst.addr = (uint32_t)(new_trans.buffer);
}
} else {
use_backup = true;
}
if (use_backup) {
new_trans.buffer = ctlr->backup_buffer;
new_trans.buflen = ctlr->fb_size_in_bytes;
ESP_EARLY_LOGD(TAG, "no new buffer, use driver internal buffer");
ESP_EARLY_LOGD(TAG, "no new buffer or no long enough new buffer, use driver internal buffer");
csi_dma_transfer_config.dst.addr = (uint32_t)ctlr->backup_buffer;
}
@ -297,7 +306,7 @@ static bool csi_dma_trans_done_callback(dw_gdma_channel_handle_t chan, const dw_
dw_gdma_channel_config_transfer(chan, &csi_dma_transfer_config);
dw_gdma_channel_enable_ctrl(chan, true);
if (!use_backup) {
if (ctlr->trans.buffer != ctlr->backup_buffer) {
esp_err_t ret = esp_cache_msync((void *)(ctlr->trans.buffer), ctlr->trans.received_size, ESP_CACHE_MSYNC_FLAG_INVALIDATE);
assert(ret == ESP_OK);
assert(ctlr->cbs.on_trans_finished);