TRNG driver working.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12343 110e8d01-0319-4d1e-a829-52ad28d1bb01
This commit is contained in:
Giovanni Di Sirio 2018-10-07 08:56:43 +00:00
parent e72ef8c943
commit 0f2e8f0b01
18 changed files with 119 additions and 4 deletions

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -152,7 +152,7 @@ bool trng_lld_generate(TRNGDriver *trngp, size_t size, uint8_t *out) {
/* Waiting for a random number in data register.*/
tmo = STM32_DATA_FETCH_ATTEMPTS;
while ((tmo > 0) && ((trngp->rng->SR & RNG_SR_DRDY) != 0)) {
while ((tmo > 0) && ((trngp->rng->SR & RNG_SR_DRDY) == 0)) {
tmo--;
if (tmo == 0) {
return true;

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@ -85,7 +85,8 @@
to eight data lines so "quad" was no more appropriate.
- NEW: Added a new SIO driver model to HAL, it is a low level abstraction of
an UART.
- NEW: Independent TRNG driver model added to HAL.
- NEW: Independent TRNG driver model added to HAL. Implemented a RNGv1 driver
for STM32, added test application.
- NEW: Added a new "pipes" subsystem to the OS library.
- NEW: Added mcuconf.h generators for STM32L432xx, STM32L476xx, STM32L496xx,
STM32L4R5xx, STM32F72x/73x, STM32F746/756 and STM32F76x/77x devices.

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -33,7 +33,7 @@
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@ -16,6 +16,7 @@
#include "ch.h"
#include "hal.h"
#include "chprintf.h"
#include "portab.h"
@ -61,6 +62,53 @@ int main(void) {
/* Normal main() thread activity, in this demo it does nothing.*/
while (true) {
if (palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED) {
bool err;
uint8_t rand[32];
trngStart(&TRNGD1, NULL);
err = trngGenerate(&TRNGD1, 32, rand);
if (err) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "Error!\r\n");
}
else {
unsigned i;
for (i = 0; i < 32; i++) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "%02x", rand[i]);
}
chprintf((BaseSequentialStream *)&PORTAB_SD1, "\r\n");
}
err = trngGenerate(&TRNGD1, 15, rand);
if (err) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "Error!\r\n");
}
else {
unsigned i;
for (i = 0; i < 15; i++) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "%02x", rand[i]);
}
chprintf((BaseSequentialStream *)&PORTAB_SD1, "\r\n");
}
err = trngGenerate(&TRNGD1, 2, rand);
if (err) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "Error!\r\n");
}
else {
unsigned i;
for (i = 0; i < 2; i++) {
chprintf((BaseSequentialStream *)&PORTAB_SD1, "%02x", rand[i]);
}
chprintf((BaseSequentialStream *)&PORTAB_SD1, "\r\n");
}
trngStop(&TRNGD1);
}
chThdSleepMilliseconds(500);
}
return 0;

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@ -5,7 +5,7 @@
# Compiler options here.
ifeq ($(USE_OPT),)
USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
endif
# C specific options here (added to USE_OPT).
@ -112,6 +112,7 @@ include $(CHIBIOS)/tools/mk/autobuild.mk
include $(CHIBIOS)/test/lib/test.mk
include $(CHIBIOS)/test/rt/rt_test.mk
include $(CHIBIOS)/test/oslib/oslib_test.mk
include $(CHIBIOS)/os/hal/lib/streams/streams.mk
# Define linker script file here.
LDSCRIPT= $(STARTUPLD)/STM32L476xG.ld

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -277,6 +277,11 @@
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/

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@ -288,6 +288,11 @@
#define STM32_ST_IRQ_PRIORITY ${doc.STM32_ST_IRQ_PRIORITY!"8"}
#define STM32_ST_USE_TIMER ${doc.STM32_ST_USE_TIMER!"2"}
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 ${doc.STM32_TRNG_USE_RNG1!"FALSE"}
/*
* UART driver system settings.
*/