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为stm32的PWM驱动添加对STM32H7的支持、添加互补PWM功能的支持，补全pwm_get命令

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This commit is contained in:
Trisuborn
2021-01-19 17:14:32 +08:00
parent 6742f9a3ab
commit aed3cc162f
3 changed files with 111 additions and 25 deletions
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components/drivers/include/drivers/rt_drv_pwm.h
+11 -5
View File
@@ -21,9 +21,15 @@
struct rt_pwm_configuration
{
rt_uint32_t channel; /* 0-n */
rt_uint32_t period; /* unit:ns 1ns~4.29s:1Ghz~0.23hz */
rt_uint32_t pulse; /* unit:ns (pulse<=period) */
rt_uint32_t channel; /* 0-n */
rt_uint32_t period; /* unit:ns 1ns~4.29s:1Ghz~0.23hz */
rt_uint32_t pulse; /* unit:ns (pulse<=period) */
/*
* RT_TRUE : The channel of pwm is complememtary.
* RT_FALSE : The channel of pwm is nomal.
*/
rt_bool_t complementary;
};
struct rt_device_pwm;
@@ -40,8 +46,8 @@ struct rt_device_pwm
rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data);
rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel);
rt_err_t rt_pwm_disable(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 rt_pwm_disable(struct rt_device_pwm *device, int channel, rt_uint8_t complementary);
rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse);
#endif /* __DRV_PWM_H_INCLUDE__ */
components/drivers/misc/rt_drv_pwm.c
+71 -11
View File
@@ -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 */