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[TMS320F28379] implement PWM driver (#6457)

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增加c28x芯片的pwm驱动
已经在TMS320F28379中通过测试
pwm设备框架增加如下方法：
#define PWM_CMD_SET_DEAD_TIME (RT_DEVICE_CTRL_BASE(PWM) + 8)
#define PWM_CMD_SET_PHASE (RT_DEVICE_CTRL_BASE(PWM) + 9)
#define PWM_CMD_ENABLE_IRQ (RT_DEVICE_CTRL_BASE(PWM) + 10)
#define PWM_CMD_DISABLE_IRQ (RT_DEVICE_CTRL_BASE(PWM) + 11)
This commit is contained in:
YuQi
2022-09-25 22:41:00 -04:00
committed by GitHub
parent c7a9481831
commit 5debfdd84d
10 changed files with 863 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/drivers/include/drivers/rt_drv_pwm.h
+9 -1
View File
@@ -6,6 +6,7 @@
* Change Logs:
* Date Author Notes
* 2018-05-07 aozima the first version
* 2022-09-24 yuqi add phase and dead time configuration
*/
#ifndef __DRV_PWM_H_INCLUDE__
@@ -21,13 +22,18 @@
#define PWMN_CMD_DISABLE (RT_DEVICE_CTRL_BASE(PWM) + 5)
#define PWM_CMD_SET_PERIOD (RT_DEVICE_CTRL_BASE(PWM) + 6)
#define PWM_CMD_SET_PULSE (RT_DEVICE_CTRL_BASE(PWM) + 7)
#define PWM_CMD_SET_DEAD_TIME (RT_DEVICE_CTRL_BASE(PWM) + 8)
#define PWM_CMD_SET_PHASE (RT_DEVICE_CTRL_BASE(PWM) + 9)
#define PWM_CMD_ENABLE_IRQ (RT_DEVICE_CTRL_BASE(PWM) + 10)
#define PWM_CMD_DISABLE_IRQ (RT_DEVICE_CTRL_BASE(PWM) + 11)
struct rt_pwm_configuration
{
rt_uint32_t channel; /* 0 ~ n or 0 ~ -n, which depends on specific MCU requirements */
rt_uint32_t period; /* unit:ns 1ns~4.29s:1Ghz~0.23hz */
rt_uint32_t pulse; /* unit:ns (pulse<=period) */
rt_uint32_t dead_time; /* unit:ns */
rt_uint32_t phase; /*unit: degree, 0~360, which is the phase of pwm output, */
/*
* RT_TRUE : The channel of pwm is complememtary.
* RT_FALSE : The channel of pwm is nomal.
@@ -54,5 +60,7 @@ rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel);
rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse);
rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_t period);
rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t pulse);
rt_err_t rt_pwm_set_dead_time(struct rt_device_pwm *device, int channel, rt_uint32_t dead_time);
rt_err_t rt_pwm_set_phase(struct rt_device_pwm *device, int channel, rt_uint32_t phase);
#endif /* __DRV_PWM_H_INCLUDE__ */
components/drivers/misc/rt_drv_pwm.c
+70 -9
View File
@@ -9,6 +9,7 @@
* 2022-05-14 Stanley Lwin add pwm function
* 2022-07-25 liYony fix complementary outputs and add usage information in finsh
* 2022-08-31 liYony Add complementary output section to framework for management
* 2022-09-24 qiyu Add dead-time and phase configuration
*/
#include <rtdevice.h>
@@ -247,6 +248,40 @@ rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t
return result;
}
rt_err_t rt_pwm_set_dead_time(struct rt_device_pwm *device, int channel, rt_uint32_t dead_time)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
if (!device)
{
return -RT_EIO;
}
configuration.channel = (channel > 0) ? (channel) : (-channel);
configuration.dead_time = dead_time;
result = rt_device_control(&device->parent, PWM_CMD_SET_DEAD_TIME, &configuration);
return result;
}
rt_err_t rt_pwm_set_phase(struct rt_device_pwm *device, int channel, rt_uint32_t phase)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
if (!device)
{
return -RT_EIO;
}
configuration.channel = (channel > 0) ? (channel) : (-channel);
configuration.phase = phase;
result = rt_device_control(&device->parent, PWM_CMD_SET_PHASE, &configuration);
return result;
}
rt_err_t rt_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *cfg)
{
rt_err_t result = RT_EOK;
@@ -342,7 +377,7 @@ static int pwm(int argc, char **argv)
if(argc == 5)
{
result = rt_pwm_set(pwm_device, atoi(argv[2]), atoi(argv[3]), atoi(argv[4]));
rt_kprintf("pwm info set on %s at channel %d\n",pwm_device,atoi(argv[2]));
rt_kprintf("pwm info set on %s at channel %d\n",pwm_device,(rt_base_t)atoi(argv[2]));
}
else
{
@@ -350,22 +385,48 @@ static int pwm(int argc, char **argv)
rt_kprintf("Usage: pwm set <channel> <period> <pulse>\n");
}
}
else if(!strcmp(argv[1], "phase"))
{
if(argc == 4)
{
result = rt_pwm_set_phase(pwm_device, atoi(argv[2]),atoi(argv[3]));
result_str = (result == RT_EOK) ? "success" : "failure";
rt_kprintf("%s phase is set %d \n", pwm_device->parent.parent.name, (rt_base_t)atoi(argv[3]));
}
}
else if(!strcmp(argv[1], "dead_time"))
{
if(argc == 4)
{
result = rt_pwm_set_dead_time(pwm_device, atoi(argv[2]),atoi(argv[3]));
result_str = (result == RT_EOK) ? "success" : "failure";
rt_kprintf("%s dead_time is set %d \n", pwm_device->parent.parent.name, (rt_base_t)atoi(argv[3]));
}
}
else
{
rt_kprintf("pwm get <channel> - get pwm channel info\n");
rt_kprintf("Usage: \n");
rt_kprintf("pwm probe <device name> - probe pwm by name\n");
rt_kprintf("pwm enable <channel> - enable pwm channel\n");
rt_kprintf("pwm disable <channel> - disable pwm channel\n");
rt_kprintf("pwm get <channel> - get pwm channel info\n");
rt_kprintf("pwm set <channel> <period> <pulse> - set pwm channel info\n");
rt_kprintf("pwm phase <channel> <phase> - set pwm phase\n");
rt_kprintf("pwm dead_time <channel> <dead_time> - set pwm dead time\n");
result = - RT_ERROR;
}
}
}
else
{
rt_kprintf("Usage: \n");
rt_kprintf("pwm probe <device name> - probe pwm by name\n");
rt_kprintf("pwm enable <channel> - enable pwm channel\n");
rt_kprintf("pwm disable <channel> - disable pwm channel\n");
rt_kprintf("pwm get <channel> - get pwm channel info\n");
rt_kprintf("pwm set <channel> <period> <pulse> - set pwm channel info\n");
rt_kprintf("pwm probe <device name> - probe pwm by name\n");
rt_kprintf("pwm enable <channel> - enable pwm channel\n");
rt_kprintf("pwm disable <channel> - disable pwm channel\n");
rt_kprintf("pwm get <channel> - get pwm channel info\n");
rt_kprintf("pwm set <channel> <period> <pulse> - set pwm channel info\n");
rt_kprintf("pwm phase <channel> <phase> - set pwm phase\n");
rt_kprintf("pwm dead_time <channel> <dead_time> - set pwm dead time\n");
result = - RT_ERROR;
}