r2maeh2/kosmos
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This commit is contained in:
tkl
2016-08-09 12:52:38 +02:00
parent 2f13f30b3d
commit 24770a1266
4 changed files with 58 additions and 3 deletions
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11
source/firmware/arch/stm32f4xx/board/stm32f4-discovery/include/stm32f4-discovery.h
View File

@@ -59,7 +59,7 @@ static const TIM_OCInitTypeDef t4_output_compare_cfg = {
.TIM_OCMode = TIM_OCMode_PWM1,
.TIM_OCPolarity = TIM_OCPolarity_High,
.TIM_OutputState = TIM_OutputState_Enable,
.TIM_Pulse = 0 // Initiale Pulsweite in Millisekunden
.TIM_Pulse = 0,
};
static const GPIO_InitTypeDef port_cfg = {
@@ -85,6 +85,15 @@ static const struct pwm pwm_ch4 = {
.fp = &stm32f4_pwm_fp,
};
#ifdef TEST_APP
static const struct driver pwm_4 = {
#else
const struct driver pwm_4 = {
#endif
DRIVER_TYPE_PWM,
&pwm_ch4,
};
// UART 1
static char console_linear_buffer[80];
static struct ringbuffer console_buffer = {

41
source/firmware/kernel/driver/driver.c
View File

@@ -11,6 +11,7 @@
#include "adc.h"
#include "gpio.h"
#include "i2c.h"
#include "pwm.h"
#include "rtc.h"
#include "spi.h"
#include "uart.h"
@@ -30,6 +31,9 @@ int open(const struct driver *driver)
case DRIVER_TYPE_I2C:
ret = i2c_open((struct i2c *)(driver->device_driver));
break;
case DRIVER_TYPE_PWM:
ret = pwm_open((const struct pwm *)(driver->device_driver));
break;
case DRIVER_TYPE_RTC:
ret = rtc_open((const struct rtc *)(driver->device_driver));
break;
@@ -58,6 +62,9 @@ int close(const struct driver *driver)
case DRIVER_TYPE_I2C:
ret = i2c_close((struct i2c *)(driver->device_driver));
break;
case DRIVER_TYPE_PWM:
ret = pwm_close((const struct pwm *)(driver->device_driver));
break;
case DRIVER_TYPE_RTC:
ret = rtc_close((const struct rtc *)(driver->device_driver));
break;
@@ -88,6 +95,9 @@ int read(const struct driver *driver, char *buffer, int len)
break;
case DRIVER_TYPE_I2C:
break;
case DRIVER_TYPE_PWM:
ret = -1;
break;
case DRIVER_TYPE_RTC:
break;
case DRIVER_TYPE_SPI:
@@ -118,6 +128,9 @@ int write(const struct driver *driver, const char *buffer, int len)
break;
case DRIVER_TYPE_I2C:
break;
case DRIVER_TYPE_PWM:
ret = -1;
break;
case DRIVER_TYPE_RTC:
break;
case DRIVER_TYPE_SPI:
@@ -128,3 +141,31 @@ int write(const struct driver *driver, const char *buffer, int len)
}
return ret;
}
int ioctl(const struct driver *driver, unsigned int cmd, const void *data)
{
int ret = -1;
if(NULL == driver)
return ret;
switch(driver->driver_type) {
case DRIVER_TYPE_ADC:
break;
case DRIVER_TYPE_GPIO:
break;
case DRIVER_TYPE_I2C:
break;
case DRIVER_TYPE_PWM:
if(cmd == IOCTL_PWM_SET_DUTY_CYCLE) {
unsigned int *duty = (unsigned int *)data;
pwm_set_duty_cycle((const struct pwm *)(driver->device_driver), *duty);
}
break;
case DRIVER_TYPE_RTC:
break;
case DRIVER_TYPE_SPI:
break;
case DRIVER_TYPE_UART:
break;
}
return ret;
}

4
source/firmware/kernel/interface/driver.h
View File

@@ -8,10 +8,13 @@
#ifndef SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_DRIVER_H_
#define SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_DRIVER_H_
#define IOCTL_PWM_SET_DUTY_CYCLE 0
enum driver_type {
DRIVER_TYPE_ADC,
DRIVER_TYPE_GPIO,
DRIVER_TYPE_I2C,
DRIVER_TYPE_PWM,
DRIVER_TYPE_RTC,
DRIVER_TYPE_SPI,
DRIVER_TYPE_UART
@@ -26,5 +29,6 @@ int open(const struct driver *driver);
int close(const struct driver *driver);
int read(const struct driver *driver, char *buffer, int len);
int write(const struct driver *driver, const char *buffer, int len);
int ioctl(const struct driver *driver, unsigned int cmd, const void *data);
#endif /* SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_DRIVER_H_ */

5
source/test/pwm/main.c
View File

@@ -23,15 +23,16 @@ struct thread_context th_ctx;
static void th_func(void *arg)
{
unsigned int duty = 0;
pwm_open(&pwm_ch4);
open(&pwm_4);
while(1) {
while(duty < 100) {
ioctl(&pwm_4, IOCTL_PWM_SET_DUTY_CYCLE, (const void *)&duty);
pwm_set_duty_cycle(&pwm_ch4, duty);
sleep_ms(10);
duty++;
}
while(duty > 0) {
pwm_set_duty_cycle(&pwm_ch4, duty);
ioctl(&pwm_4, IOCTL_PWM_SET_DUTY_CYCLE, (const void *)&duty);
sleep_ms(10);
duty--;
}