diff options
Diffstat (limited to 'components/drivers/misc')
| -rw-r--r-- | components/drivers/misc/rt_drv_pwm.c | 82 |
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 */ |
