int main(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/* LED to indicate boot process */
rcc_periph_clock_enable(RCC_GPIOC);
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
gpio_set(GPIOC, GPIO13);
rcc_periph_clock_enable(RCC_GPIOA);
/*
* Vile hack to reenumerate, physically _drag_ d+ low.
* do NOT do this if you're board has proper usb pull up control!
* (need at least 2.5us to trigger usb disconnect)
*/
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
gpio_clear(GPIOA, GPIO11);
for (unsigned int i = 0; i < 800000; i++)
__asm__("nop");
rcc_periph_clock_enable(RCC_OTGFS);
usbd_device *usbd_dev = gadget0_init(&st_usbfs_v1_usb_driver, "stm32f103-generic");
ER_DPRINTF("bootup complete\n");
gpio_clear(GPIOC, GPIO13);
while (1) {
usbd_poll(usbd_dev);
}
}
int main(void)
{
rcc_clock_setup_pll(&this_clock_config);
/* LED on custom board for boot progress */
rcc_periph_clock_enable(RCC_GPIOB);
gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO1);
gpio_set(GPIOB, GPIO1);
usbd_device *usbd_dev = gadget0_init(&st_usbfs_v1_usb_driver, "stm32l1-generic");
ER_DPRINTF("bootup complete\n");
gpio_clear(GPIOB, GPIO1);
while (1) {
usbd_poll(usbd_dev);
}
}
int main(void)
{
rcc_clock_setup_in_hsi48_out_48mhz();
crs_autotrim_usb_enable();
rcc_set_usbclk_source(HSI48);
/* LED on for boot progress */
rcc_periph_clock_enable(RCC_GPIOC);
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO7);
gpio_set(GPIOC, GPIO7);
usbd_device *usbd_dev = gadget0_init(&st_usbfs_v2_usb_driver, "stm32f072disco");
ER_DPRINTF("bootup complete\n");
gpio_clear(GPIOC, GPIO7);
while (1) {
usbd_poll(usbd_dev);
}
}
int main(void)
{
rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_168MHZ]);
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_OTGFS);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
/* LEDS on discovery board */
rcc_periph_clock_enable(RCC_GPIOD);
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO12 | GPIO13 | GPIO14 | GPIO15);
usbd_device *usbd_dev = gadget0_init(&otgfs_usb_driver, "stm32f4disco");
ER_DPRINTF("bootup complete\n");
while (1) {
gadget0_run(usbd_dev);
}
}
int main(void)
{
rcc_periph_clock_enable(RCC_GPIOB);
gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO8|GPIO9);
gpio_set(GPIOB, GPIO8);
rcc_clock_setup_pll(&this_clock_config);
/* Enable built in USB pullup on L1 */
rcc_periph_clock_enable(RCC_SYSCFG);
SYSCFG_PMC |= SYSCFG_PMC_USB_PU;
usbd_device *usbd_dev = gadget0_init(&st_usbfs_v1_usb_driver,
"stm32l1-generic");
ER_DPRINTF("bootup complete\n");
gpio_clear(GPIOB, GPIO8);
while (1) {
gpio_set(GPIOB, GPIO9);
gadget0_run(usbd_dev);
gpio_clear(GPIOB, GPIO9);
}
}