feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

fix(spi): fixed spi master polling mode not mem sync issue on esp32p4

Browse Source
This commit is contained in:
Armando
2023-10-13 15:43:54 +08:00
parent 2308292ca3
commit cb90ed263d
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
components/driver/spi/gpspi/spi_master.c
View File

@ -1144,6 +1144,19 @@ esp_err_t SPI_MASTER_ISR_ATTR spi_device_polling_end(spi_device_handle_t handle,
}
}
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE //invalidate here to let user access rx data in post_cb if possible
const spi_bus_attr_t* bus_attr = host->bus_attr;
if (host->cur_trans_buf.buffer_to_rcv) {
uint16_t alignment = bus_attr->internal_mem_align_size;
uint32_t buffer_byte_len = (host->cur_trans_buf.trans->rxlength + 7) / 8;
buffer_byte_len = (buffer_byte_len + alignment - 1) & (~(alignment - 1));
esp_err_t ret = esp_cache_msync((void *)host->cur_trans_buf.buffer_to_rcv, buffer_byte_len, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
if (ret != ESP_OK) {
return ret;
}
}
#endif
ESP_LOGV(SPI_TAG, "polling trans done");
//deal with the in-flight transaction
spi_post_trans(host);