int stm32_tone_setup(void)
{
static bool initialized = false;
struct pwm_lowerhalf_s *tone;
struct pwm_info_s info;
struct oneshot_lowerhalf_s *oneshot = NULL;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* Call stm32_pwminitialize() to get an instance of the PWM interface */
tone = stm32_pwminitialize(TONE_PWM_TIMER);
if (!tone)
{
auderr("Failed to get the STM32 PWM lower half to AUDIO TONE\n");
return -ENODEV;
}
/* Initialize TONE PWM */
tone->ops->setup(tone);
tone->ops->start(tone, &info);
/* Initialize ONESHOT Timer */
oneshot = oneshot_initialize(ONESHOT_TIMER, OST_RES);
if (!oneshot)
{
auderr("Failed to initialize ONESHOT Timer!\n");
return -ENODEV;
}
/* Register the Audio Tone driver at "/dev/tone0" */
ret = tone_register("/dev/tone0", tone, oneshot);
if (ret < 0)
{
auderr("ERROR: tone_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
}
int stm32_bringup(void)
{
#ifdef CONFIG_ONESHOT
struct oneshot_lowerhalf_s *os = NULL;
#endif
int ret = OK;
#ifdef CONFIG_PWM
/* Initialize PWM and register the PWM device. */
ret = stm32_pwm_setup();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_AUDIO_TONE
/* Configure and initialize the tone generator. */
ret = stm32_tone_setup();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_tone_setup() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_RGBLED
/* Configure and initialize the RGB LED. */
ret = stm32_rgbled_setup();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_rgbled_setup() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_CL_MFRC522
ret = stm32_mfrc522initialize("/dev/rfid0");
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_mfrc522initialize() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_ONESHOT
os = oneshot_initialize(1, 10);
if (os)
{
ret = oneshot_register("/dev/oneshot", os);
}
#endif
#ifdef CONFIG_BUTTONS
/* Register the BUTTON driver */
ret = btn_lower_initialize("/dev/buttons");
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_USERLED
/* Register the LED driver */
ret = userled_lower_initialize("/dev/userleds");
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_VEML6070
/* Register the UV-A light sensor */
ret = stm32_veml6070initialize("/dev/uvlight0");
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_veml6070initialize() failed: %d\n", ret);
}
#endif
return ret;
}
int sim_bringup(void)
{
#ifdef CONFIG_ONESHOT
FAR struct oneshot_lowerhalf_s *oneshot;
#endif
#if defined(CONFIG_FS_PROCFS) || defined(CONFIG_ONESHOT)
int ret;
#endif
#ifdef CONFIG_LIB_ZONEINFO_ROMFS
/* Mount the TZ database */
(void)sim_zoneinfo(3);
#endif
#ifdef CONFIG_EXAMPLES_GPIO
/* Initialize simulated GPIO drivers */
(void)sim_gpio_initialize();
#endif
#ifdef CONFIG_ONESHOT
/* Get an instance of the simulated oneshot timer */
oneshot = oneshot_initialize(0, 0);
if (oneshot == NULL)
{
_err("ERROR: oneshot_initialize faile\n");
}
else
{
#ifdef CONFIG_CPULOAD_ONESHOT
/* Configure the oneshot timer to support CPU load measurement */
sched_oneshot_extclk(oneshot);
#else
/* Initialize the simulated oneshot driver */
ret = oneshot_register("/dev/oneshot", oneshot);
if (ret < 0)
{
_err("ERROR: Failed to register oneshot at /dev/oneshot: %d\n",
ret);
}
#endif
}
#endif
#ifdef CONFIG_AJOYSTICK
/* Initialize the simulated analog joystick input device */
sim_ajoy_initialize();
#endif
#ifdef CONFIG_GRAPHICS_TRAVELER_ROMFSDEMO
/* Special initialization for the Traveler game simulation */
(void)trv_mount_world(0, CONFIG_GRAPHICS_TRAVELER_DEFPATH);
#endif
#ifdef CONFIG_FS_PROCFS
/* Mount the procfs file system */
ret = mount(NULL, SIM_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
if (ret < 0)
{
_err("ERROR: Failed to mount procfs at %s: %d\n",
SIM_PROCFS_MOUNTPOINT, ret);
}
#endif
return OK;
}
