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-rw-r--r--components/drivers/misc/rt_drv_pwm.c82
1 files changed, 71 insertions, 11 deletions
diff --git a/components/drivers/misc/rt_drv_pwm.c b/components/drivers/misc/rt_drv_pwm.c
index 97d38d51b3..03ef3353a3 100644
--- a/components/drivers/misc/rt_drv_pwm.c
+++ b/components/drivers/misc/rt_drv_pwm.c
@@ -126,7 +126,7 @@ rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name,
return result;
}
-rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel)
+rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel, rt_uint8_t complementary)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
@@ -137,12 +137,13 @@ rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel)
}
configuration.channel = channel;
+ configuration.complementary = complementary ? (RT_TRUE) : (RT_FALSE);
result = rt_device_control(&device->parent, PWM_CMD_ENABLE, &configuration);
return result;
}
-rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel)
+rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel, rt_uint8_t complementary)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
@@ -153,6 +154,7 @@ rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel)
}
configuration.channel = channel;
+ configuration.complementary = complementary ? (RT_TRUE) : (RT_FALSE);
result = rt_device_control(&device->parent, PWM_CMD_DISABLE, &configuration);
return result;
@@ -176,6 +178,20 @@ rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t perio
return result;
}
+rt_err_t rt_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *cfg)
+{
+ rt_err_t result = RT_EOK;
+
+ if (!device)
+ {
+ return -RT_EIO;
+ }
+
+ result = rt_device_control(&device->parent, PWM_CMD_GET, cfg);
+
+ return result;
+}
+
#ifdef RT_USING_FINSH
#include <finsh.h>
@@ -188,9 +204,10 @@ static int pwm_enable(int argc, char **argv)
int result = 0;
struct rt_device_pwm *device = RT_NULL;
- if (argc != 3)
+ if (argc != 4)
{
- rt_kprintf("Usage: pwm_enable pwm1 1\n");
+ rt_kprintf("Usage: pwm_enable pwm1 1 1\n");
+ rt_kprintf(" pwm_enable <pwm_dev> <channel> <complementary> \n");
result = -RT_ERROR;
goto _exit;
}
@@ -202,21 +219,22 @@ static int pwm_enable(int argc, char **argv)
goto _exit;
}
- result = rt_pwm_enable(device, atoi(argv[2]));
+ result = rt_pwm_enable(device, atoi(argv[2]), atoi(argv[3]));
_exit:
return result;
}
-MSH_CMD_EXPORT(pwm_enable, pwm_enable pwm1 1);
+MSH_CMD_EXPORT(pwm_enable, pwm_enable <pwm_dev> <channel> <complementary>);
static int pwm_disable(int argc, char **argv)
{
int result = 0;
struct rt_device_pwm *device = RT_NULL;
- if (argc != 3)
+ if (argc != 4)
{
- rt_kprintf("Usage: pwm_enable pwm1 1\n");
+ rt_kprintf("Usage: pwm_enable pwm1 1 1\n");
+ rt_kprintf(" pwm_disable <pwm_dev> <channel> <complementary> \n");
result = -RT_ERROR;
goto _exit;
}
@@ -228,12 +246,12 @@ static int pwm_disable(int argc, char **argv)
goto _exit;
}
- result = rt_pwm_disable(device, atoi(argv[2]));
+ result = rt_pwm_disable(device, atoi(argv[2]), atoi(argv[3]));
_exit:
return result;
}
-MSH_CMD_EXPORT(pwm_disable, pwm_disable pwm1 1);
+MSH_CMD_EXPORT(pwm_disable, pwm_disable <pwm_dev> <channel> <complementary>);
static int pwm_set(int argc, char **argv)
{
@@ -243,6 +261,7 @@ static int pwm_set(int argc, char **argv)
if (argc != 5)
{
rt_kprintf("Usage: pwm_set pwm1 1 100 50\n");
+ rt_kprintf("Usage: pwm_set <pwm_dev> <channel> <period> <pulse>\n");
result = -RT_ERROR;
goto _exit;
}
@@ -259,7 +278,48 @@ static int pwm_set(int argc, char **argv)
_exit:
return result;
}
-MSH_CMD_EXPORT(pwm_set, pwm_set pwm1 1 100 50);
+MSH_CMD_EXPORT(pwm_set, pwm_set <pwm_dev> <channel> <period> <pulse>);
+
+
+static int pwm_get(int argc, char **argv)
+{
+ int result = 0;
+ struct rt_device_pwm *device = RT_NULL;
+ struct rt_pwm_configuration cfg = {0};
+
+ if (argc != 3)
+ {
+ rt_kprintf("Usage: pwm_get pwm1 1\n");
+ rt_kprintf(" pwm_get <pwm_dev> <channel>\n");
+ result = -RT_ERROR;
+ goto _exit;
+ }
+
+ device = (struct rt_device_pwm *)rt_device_find(argv[1]);
+ if (!device)
+ {
+ result = -RT_EIO;
+ goto _exit;
+ }
+
+ cfg.channel = atoi(argv[2]);
+ result = rt_pwm_get(device, &cfg);
+ if (result != RT_EOK)
+ {
+ rt_kprintf("Get info of device: [%s] error.\n", argv[1]);
+ }
+ else
+ {
+ rt_kprintf("Get info of device: [%s]:\n", argv[1]);
+ rt_kprintf("period : %d\n", cfg.period);
+ rt_kprintf("pulse : %d\n", cfg.pulse);
+ rt_kprintf("Duty cycle : %d%%\n", (int)(((double)(cfg.pulse)/(cfg.period)) * 100));
+ }
+
+_exit:
+ return result;
+}
+MSH_CMD_EXPORT(pwm_get, pwm_get <pwm_dev> <channel>);
#endif /* FINSH_USING_MSH */
#endif /* RT_USING_FINSH */