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[DeviceDrivers] export pwm_enable/set to shell.

This commit is contained in:
aozima 2018-06-08 16:04:29 +08:00
parent cdfef48395
commit 0e5b4a0ff2
1 changed files with 76 additions and 25 deletions
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59
components/drivers/misc/_pwm.c
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@ -148,16 +148,67 @@ rt_err_t rt_pwm_enable(int channel)
rt_err_t rt_pwm_set(int channel, rt_uint32_t period, rt_uint32_t pulse)
{
rt_err_t result = RT_EOK;
struct rt_device *pwm = rt_device_find("pwm");
struct rt_device *device = rt_device_find("pwm");
struct rt_pwm_configuration configuration = {0};
if(!pwm)
if (!device)
{
return -RT_EIO;
}
configuration.channel = channel;
configuration.period = period;
configuration.pulse = pulse;
result = rt_device_control(device, PWM_CMD_SET, &configuration);
return result;
}
#ifdef finsh
#endif /**/
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT_ALIAS(rt_pwm_enable, pwm_enable, enable pwm by channel.);
FINSH_FUNCTION_EXPORT_ALIAS(rt_pwm_set, pwm_set, set pwm.);
#ifdef FINSH_USING_MSH
static int pwm_enable(int argc, char **argv)
{
int result = 0;
if (argc != 2)
{
rt_kprintf("Usage: pwm_enable 1\n");
result = -RT_ERROR;
goto _exit;
}
result = rt_pwm_enable(atoi(argv[1]));
_exit:
return result;
}
MSH_CMD_EXPORT(pwm_enable, pwm_enable 1);
static int pwm_set(int argc, char **argv)
{
int result = 0;
if (argc != 4)
{
rt_kprintf("Usage: pwm_set 1 100 50\n");
result = -RT_ERROR;
goto _exit;
}
result = rt_pwm_set(atoi(argv[1]), atoi(argv[2]), atoi(argv[3]));
_exit:
return result;
}
MSH_CMD_EXPORT(pwm_set, pwm_set 1 100 50);
#endif /* FINSH_USING_MSH */
#endif /* RT_USING_FINSH */