v1.0.3

bsp/examples_bare/test-hrtimer/test_hrtimer.c

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Authors: zrq <ruqi.zheng@artinchip.com>
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <console.h>
+#include <getopt.h>
+#include <hal_cap.h>
+#include "aic_hal_gpio.h"
+#include <aic_core.h>
+#include "aic_common.h"
+
+#define HRTIMER_MAX_CH 6
+#define GPIO_TEST_PIN "PA.4"
+u8 g, p;
+
+static void cmd_hrtimer_usage(void)
+{
+    printf("Compile time: %s %s\n", __DATE__, __TIME__);
+    printf("Usage: test_hrtimer [options]\n");
+    printf("the hrtimer will timed toggle the gpio PA.4 as a demonstration\n");
+    printf("test_hrtimer <channel> <time> : Channel range [0, 5], the time unit is 1us\n");
+    printf("test_hrtimer help             : Get this help\n");
+    printf("\n");
+    printf("Example: test_hrtimer 0 20\n");
+}
+
+irqreturn_t hrtiemr_irq_handler(int irq, void *args)
+{
+    u32 i;
+
+    for (i = 0; i < HRTIMER_MAX_CH; i++) {
+        if (hal_cap_is_pending(i))
+            hal_gpio_toggle_output(g, p);
+    }
+
+    return IRQ_HANDLED;
+}
+
+void test_hrtimer_ch_init()
+{
+#ifdef AIC_USING_HRTIMER0
+    hal_cap_ch_init(0);
+#endif
+#ifdef AIC_USING_HRTIMER1
+    hal_cap_ch_init(1);
+#endif
+#ifdef AIC_USING_HRTIMER2
+    hal_cap_ch_init(2);
+#endif
+#ifdef AIC_USING_HRTIMER3
+    hal_cap_ch_init(3);
+#endif
+#ifdef AIC_USING_HRTIMER4
+    hal_cap_ch_init(4);
+#endif
+#ifdef AIC_USING_HRTIMER5
+    hal_cap_ch_init(5);
+#endif
+}
+
+void test_hrtimer_init(u32 ch)
+{
+    hal_cap_init();
+    hal_cap_set_freq(ch, CAP_MAX_FREQ);
+    aicos_request_irq(PWMCS_CAP_IRQn, hrtiemr_irq_handler, 0, NULL, NULL);
+}
+
+void test_hrtimer_start(u32 ch, u32 cnt)
+{
+    hal_cap_enable(ch);
+    hal_cap_set_cnt(ch, cnt);
+    hal_cap_int_enable(ch, 1);
+    hal_cap_cnt_start(ch);
+}
+
+void test_hrtimer_stop(u32 ch)
+{
+    hal_cap_cnt_stop(ch);
+    hal_cap_int_enable(ch, 0);
+    hal_cap_disable(ch);
+}
+
+static int cmd_test_hrtimer(int argc, char *argv[])
+{
+    u32 ch, time_us;
+    u8 pin;
+
+    if (argc != 3)
+        goto cmd_usage;
+
+    ch = atoi(argv[1]);
+
+    if ((ch < 0) || (ch >= HRTIMER_MAX_CH))
+        goto cmd_usage;
+
+    time_us = atoi(argv[2]);
+
+    if (time_us < 0)
+        goto cmd_usage;
+
+    /* gpio configuration*/
+    pin = hal_gpio_name2pin("PA.4");
+    g = GPIO_GROUP(pin);
+    p = GPIO_GROUP_PIN(pin);
+    hal_gpio_set_func(g, p, 1);
+    hal_gpio_direction_output(g, p);
+
+    /* hrtimer configuration */
+    test_hrtimer_ch_init();
+    test_hrtimer_init(ch);
+    /* stop the hrtimer first */
+    test_hrtimer_stop(ch);
+    /* start the hrtimer */
+    test_hrtimer_start(ch, time_us);
+
+    return 0;
+
+cmd_usage:
+    cmd_hrtimer_usage();
+
+    return -1;
+}
+CONSOLE_CMD(test_hrtimer, cmd_test_hrtimer, "Hrtimer test example");