espressif/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-04-27 19:13:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix(driver_spi): added warning for esp32 dma translength unalign to 4 byte

Browse Source 
Closes https://github.com/espressif/esp-idf/issues/2085
This commit is contained in:
wanckl
2025-09-30 17:17:11 +08:00
parent 30af6c59b1
commit b7adf3e7db
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_driver_spi/src/gpspi/spi_slave.c
+6 -2
View File
@@ -407,9 +407,13 @@ esp_err_t spi_slave_disable(spi_host_device_t host)
static void SPI_SLAVE_ISR_ATTR spi_slave_uninstall_priv_trans(spi_host_device_t host, spi_slave_trans_priv_t *priv_trans)
{
__attribute__((unused)) spi_slave_transaction_t *trans = (spi_slave_transaction_t *)priv_trans->trans;
#if CONFIG_IDF_TARGET_ESP32
if (spihost[host]->dma_enabled && (trans->trans_len % 32)) {
ESP_EARLY_LOGW(SPI_TAG, "Use DMA but real trans_len is not 4 bytes aligned, slave may loss data");
}
#endif
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
spi_slave_transaction_t *trans = (spi_slave_transaction_t *)priv_trans->trans;
if (spihost[host]->dma_enabled) {
if (trans->tx_buffer && (trans->tx_buffer != priv_trans->tx_buffer)) {
free(priv_trans->tx_buffer);