1 files changed, 224 insertions, 0 deletions
diff --git a/demos/NRF52/Classic/main.c b/demos/NRF52/Classic/main.c
new file mode 100644
index 0000000..28e7505
--- /dev/null
+++ b/demos/NRF52/Classic/main.c
@@ -0,0 +1,224 @@
+#include <stdint.h>
+#include <string.h>
+
+#include "ch.h"
+#include "hal.h"
+#include "chprintf.h"
+#include "shell.h"
+#include "ch_test.h"
+
+#define LED_EXT 14
+
+
+bool watchdog_started = false;
+
+void watchdog_callback(void) {
+  palTogglePad(IOPORT1, LED2);
+  palTogglePad(IOPORT1, LED3);
+  palTogglePad(IOPORT1, LED4);
+}
+
+WDGConfig WDG_config = {
+    .pause_on_sleep = 0,
+    .pause_on_halt  = 0,
+    .timeout_ms     = 5000,
+    .callback       = watchdog_callback,
+};
+
+
+void gpt_callback(GPTDriver *gptp) {
+  palTogglePad(IOPORT1, LED2);
+}
+
+/*
+ * GPT configuration
+ * Frequency: 31250Hz (32us period)
+ * Resolution: 16 bits
+ */
+static const GPTConfig gpt_config = {
+    .frequency  = 31250,
+    .callback   = gpt_callback,
+    .resolution = 16,
+};
+
+
+/*
+ * 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");
+    
+}
+
+
+
+
+static void cmd_watchdog(BaseSequentialStream *chp, int argc, char *argv[]) {
+    if ((argc != 2) || (strcmp(argv[0], "start"))) {
+    usage:
+	chprintf(chp, "Usage: watchdog start <timeout>\r\n"
+		      "  <timeout> = 0..%d seconds\r\n",
+		      WDG_MAX_TIMEOUT_MS/1000);
+	return;
+    }
+    int timeout = atoi(argv[1]);
+    if ((timeout < 0) || (timeout > (WDG_MAX_TIMEOUT_MS/1000)))
+	goto usage;
+
+    if (watchdog_started) {
+	chprintf(chp, "Watchdog already started."
+		      " Can't be modified once activated.\r\n");
+	return;
+    }
+    
+    chprintf(chp,
+	     "Watchdog started\r\n"
+	     "You need to push BTN1 every %d second(s)\r\n", timeout);
+
+    WDG_config.timeout_ms = timeout * 1000;
+    wdgStart(&WDGD1, &WDG_config);
+    watchdog_started = true;
+}
+
+
+
+
+static void cmd_info(BaseSequentialStream *chp, int argc, char *argv[]) {
+    chprintf(chp, "Watchdog max = %d ms\r\n", WDG_MAX_TIMEOUT_MS);
+}
+
+
+static THD_WORKING_AREA(shell_wa, 1024);
+
+static const ShellCommand commands[] = {
+  {"info",     cmd_info     },
+  {"random",   cmd_random   },
+  {"watchdog", cmd_watchdog },
+  {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+  (BaseSequentialStream *)&SD1,
+  commands
+};
+
+static SerialConfig serial_config = {
+    .speed   = 115200,
+    .tx_pad  = UART_TX,
+    .rx_pad  = UART_RX,
+#if NRF5_SERIAL_USE_HWFLOWCTRL	== TRUE
+    .rts_pad = UART_RTS,
+    .cts_pad = UART_CTS,
+#endif
+};
+
+
+
+
+
+
+
+static THD_WORKING_AREA(waThread1, 64);
+static THD_FUNCTION(Thread1, arg) {
+
+    (void)arg;
+    uint8_t led = LED4;
+    
+    chRegSetThreadName("blinker");
+
+    
+    while (1) {
+	palTogglePad(IOPORT1, led);
+	chThdSleepMilliseconds(100);
+    }
+}
+
+
+#define printf(fmt, ...)					\
+    chprintf((BaseSequentialStream*)&SD1, fmt, ##__VA_ARGS__)
+
+
+
+
+/**@brief Function for application main entry.
+ */
+int main(void)
+{
+    
+    halInit();
+    chSysInit();
+    shellInit();
+  
+    sdStart(&SD1, &serial_config);
+
+    palSetPad(IOPORT1, LED1);
+    palClearPad(IOPORT1, LED2);
+    palClearPad(IOPORT1, LED3);
+    palSetPad(IOPORT1, LED4);
+
+    gptStart(&GPTD1, &gpt_config);
+    gptStartContinuous(&GPTD1, 31250);
+    
+
+    chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO+1,
+		      Thread1, NULL);
+
+
+    
+    chThdCreateStatic(shell_wa, sizeof(shell_wa), NORMALPRIO+1,
+		      shellThread, (void *)&shell_cfg1);
+
+
+
+    
+    printf(PORT_INFO "\r\n");
+    chThdSleep(2);
+    
+
+
+    printf("Priority levels %d\r\n", CORTEX_PRIORITY_LEVELS);
+    
+    //test_execute((BaseSequentialStream *)&SD1);
+
+    NRF_P0->DETECTMODE = 0;
+    
+    while (true) {
+	if (watchdog_started &&
+	    (palReadPad(IOPORT1, BTN1) == 0)) {
+	    palTogglePad(IOPORT1, LED1);
+	    wdgReset(&WDGD1);
+	    printf("Watchdog reseted\r\n");
+	}
+	chThdSleepMilliseconds(250);
+    }
+
+}
+