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-rw-r--r--testhal/NRF51/NRF51822/RNG/main.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/testhal/NRF51/NRF51822/RNG/main.c b/testhal/NRF51/NRF51822/RNG/main.c
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+++ b/testhal/NRF51/NRF51822/RNG/main.c
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+/*
+ Copyright (C) 2016 Stephane D'Alu
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#include "ch.h"
+#include "hal.h"
+#include "shell.h"
+#include "chprintf.h"
+#include <stdlib.h>
+
+
+/*
+ * Command Random
+ */
+#define RANDOM_BUFFER_SIZE 1024
+static uint8_t random_buffer[RANDOM_BUFFER_SIZE];
+
+static void cmd_random(BaseSequentialStream *chp, int argc, char *argv[]) {
+ uint16_t size = 16;
+ uint16_t i = 0;
+ uint8_t nl = 0;
+
+ if (argc > 0) {
+ size = atoi(argv[0]);
+ }
+
+ if (size > RANDOM_BUFFER_SIZE) {
+ chprintf(chp, "random: maximum size is %d.\r\n", RANDOM_BUFFER_SIZE);
+ return;
+ }
+
+ chprintf(chp, "Fetching %d random byte(s):\r\n", size);
+
+ rngStart(&RNGD1, NULL);
+ rngWrite(&RNGD1, random_buffer, size, TIME_INFINITE);
+ rngStop(&RNGD1);
+
+ for (i = 0 ; i < size ; i++) {
+ chprintf(chp, "%02x ", random_buffer[i]);
+ if (nl = (((i+1) % 20) == 0))
+ chprintf(chp, "\r\n");
+ }
+ if (!nl)
+ chprintf(chp, "\r\n");
+
+}
+
+
+/*
+ * Shell
+ */
+#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
+
+static const ShellCommand commands[] = {
+ {"random", cmd_random},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SD1,
+ commands
+};
+
+
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+ /*
+ * System initializations.
+ * - HAL initialization, this also initializes the configured device drivers
+ * and performs the board-specific initializations.
+ * - Kernel initialization, the main() function becomes a thread and the
+ * RTOS is active.
+ */
+ halInit();
+ chSysInit();
+
+
+ /*
+ * Serial device
+ */
+ SerialConfig serial_config = {
+ .speed = 115200,
+ .tx_pad = UART_TX,
+ .rx_pad = UART_RX,
+ };
+ sdStart(&SD1, &serial_config);
+
+
+ /*
+ * Shell manager initialization.
+ */
+ shellInit();
+ shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
+
+
+ /*
+ * Normal main() thread activity, in this demo it does nothing.
+ */
+ while (true) {
+ chThdSleepMilliseconds(500);
+ palTogglePad(IOPORT1, LED1);
+ }
+}