GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

sample/pm/sample_pm.c

@@ -0,0 +1,167 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "xmedia_pm.h"
+#include "xmedia_sys.h"
+
+#define AOV_PERIOD 1000 //ms
+#define AOV_CALIBRATION_LOOPS 10
+
+xmedia_pm_attr pm_wakeup_src = {
+	.wakeup_attr = {
+		.wakeup_enable = 0,//1,
+		.wakeup_polarity = PMC_PWR_FALLING_EDGE,
+	},
+	.rtc_attr = {
+		.rtc_enable = 1,
+		.rtc_timeout = AOV_PERIOD / 10,
+	},
+	.button_enable = 1,
+	.button_attr = {
+		.button_adj_enable = 1,
+		.button_adj_time = 1,	//default: 1, resolution: 100ms
+	},
+};
+
+char *wakeup_source_str[] = {
+	"gpio wakeup",
+	"ldo wakeup",
+	"button wakeup",
+	"rtc wakeup",
+	"unknown wakeup",
+};
+
+xmedia_s32 pm_popen(xmedia_char *command)
+{
+	FILE *fp = popen(command, "w");
+	if (fp == NULL) {
+		printf("popen ""%s""fail \n", command);
+		return XMEDIA_FAILURE;
+	}
+
+	pclose(fp);
+	return XMEDIA_SUCCESS;
+}
+
+void pm_trigger_stopwatch(void)
+{
+	pm_popen("echo 1 >/proc/stopwatch");
+}
+
+void pm_enable_stopwatch_info(void)
+{
+/* #define PM_SHOW_STOPWATCH */
+#ifdef PM_SHOW_STOPWATCH
+	pm_popen("xmmm 0x120200bc 0xa");
+#endif
+}
+
+#define DEFAULT_TEST_COUNT			1000000
+xmedia_s32 main(xmedia_s32 argc, char* argv[])
+{
+	xmedia_pm_attr wakeup_src;
+	unsigned int count = 0;
+	int status;
+	xmedia_pm_wakeup_source wake_source;
+	unsigned int test_count = DEFAULT_TEST_COUNT;
+	xmedia_pm_init_param param;
+	xmedia_pm_rtc_info rtc_info;
+	xmedia_u64 last_rtc_resume_time = 0, delta = 0;
+	xmedia_s64 delta_sum = 0, delta_cnt = 0;
+	xmedia_s32 ret;
+
+	if (argc == 2) {
+		test_count = (unsigned int)atoi(argv[1]);
+	}
+
+	ret = xmedia_sys_init(XMEDIA_NULL);
+	if (ret != XMEDIA_SUCCESS) {
+		printf("xmedia_sys_init err, errno %d\n", ret);
+		return ret;
+	}
+
+	param.type = PM_INIT_TYPE_STR;
+	if (xmedia_pm_init_ext(&param) != XMEDIA_SUCCESS) {
+		printf("pm init error\n");
+		goto exit;
+	}
+
+	if (xmedia_pm_set_attr(&pm_wakeup_src) != XMEDIA_SUCCESS) {
+		printf("pm set wakeup source error\n");
+		goto exit;
+	}
+
+	while (count < test_count) {
+		if (xmedia_pm_get_attr(&wakeup_src) != XMEDIA_SUCCESS) {
+			printf("pm get attr error\n");
+			break;
+		} else {
+			printf("gpio %s attr polarity:%d\n", (wakeup_src.wakeup_attr.wakeup_enable ? "enable" : "disable"), wakeup_src.wakeup_attr.wakeup_polarity);
+			printf("button %s\n", wakeup_src.button_enable ? "enable" : "disable");
+			printf("rtc %s\n", (wakeup_src.rtc_attr.rtc_enable ? "enable" : "disable"));
+		}
+
+		pm_trigger_stopwatch();
+
+		pm_enable_stopwatch_info();
+
+		status = xmedia_pm_suspend();
+		if (status != XMEDIA_SUCCESS) {
+			printf("str suspend resume %d counts, now error\n", count);
+			break;
+		}
+
+		pm_trigger_stopwatch();
+
+		if (xmedia_pm_get_wakeup_source(&wake_source) != XMEDIA_SUCCESS) {
+			printf("get wakeup source error\n");
+			break;
+		}
+
+		printf("wakeup souce:%s\n", wakeup_source_str[wake_source]);
+
+		count++;
+
+		/* AOV Period Calibration */
+		if (xmedia_pm_get_rtc_info(&rtc_info) != XMEDIA_SUCCESS) {
+			printf("get rtc info error\n");
+			break;
+		}
+
+		delta = rtc_info.rtc_delta_time - last_rtc_resume_time;
+
+		printf("rtc resume time: %llu ms, delta: %llu ms\n", rtc_info.rtc_delta_time, delta);
+		printf("rtc current time: %llu ms\n", rtc_info.rtc_current_time);
+		printf("rtc last suspend time: %llu ms\n", rtc_info.rtc_last_suspend_time);
+
+		last_rtc_resume_time = rtc_info.rtc_delta_time;
+
+		if (delta_cnt < AOV_CALIBRATION_LOOPS && count != 1) {
+			delta_sum += delta;
+			delta_cnt++;
+		}
+
+		if (delta_cnt == AOV_CALIBRATION_LOOPS) {
+			sleep(2);
+			printf("delta_sum=%lld, delta_cnt=%lld\n", delta_sum, delta_cnt);
+			pm_wakeup_src.rtc_attr.rtc_timeout = ((xmedia_s64)AOV_PERIOD - (delta_sum / delta_cnt - (xmedia_s64)AOV_PERIOD)) / 10;
+			printf("set pm attr again: rtc_timeout = %d\n", pm_wakeup_src.rtc_attr.rtc_timeout);
+			if (xmedia_pm_set_attr(&pm_wakeup_src) != XMEDIA_SUCCESS) {
+				printf("pm set attr error\n");
+				break;
+			}
+			delta_cnt++;
+		}
+
+
+		printf("str suspend resume %d counts\n", count);
+	}
+
+exit:
+	xmedia_pm_deinit();
+	xmedia_sys_exit();
+}