Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-05-28 16:46:31 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat(rng): trng refactor to ll functions on esp32s31

Browse Source
This commit is contained in:
gaoxu
2026-04-15 11:34:37 +08:00
parent fab36071f8
commit 3d7a643ff7
8 changed files with 116 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
components/bootloader_support/src/bootloader_random_esp32s31.c
View File

@@ -5,36 +5,14 @@
*/
#include "sdkconfig.h"
#include "bootloader_random.h"
#include "soc/trng_reg.h"
#include "rom/ets_sys.h"
#include "rom/uart.h"
#include "hal/trng_ll.h"
void bootloader_random_enable(void)
{
// Enable entropy source of ring
SET_PERI_REG_MASK(TRNG_CONF_REG, TRNG_SAMPLE_ENABLE);
// Enable entropy source of crc
SET_PERI_REG_MASK(TRNG_CONF_REG, TRNG_NOISE_CRC_EN);
// //For dieharder test
// ets_printf("S31: Random bytes (%s) follow:\n","test");
// while (1)
// {
// uint32_t w = READ_PERI_REG(TRNG_CRC_SYNC_DATA_REG);
// // ets_printf("rng_data:%d\n", w);
// // uart_tx_wait_idle(0);
// uart_tx_one_char(w >> 24);
// uart_tx_one_char(w >> 16);
// uart_tx_one_char(w >> 8);
// uart_tx_one_char(w);
// }
trng_ll_enable();
}
void bootloader_random_disable(void)
{
CLEAR_PERI_REG_MASK(TRNG_CONF_REG, TRNG_SAMPLE_ENABLE);
CLEAR_PERI_REG_MASK(TRNG_CONF_REG, TRNG_NOISE_CRC_EN);
trng_ll_disable();
}