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#include "project.h"
int main (void)
{
/*set up pll */
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/*turn on clocks to periferals */
rcc_periph_clock_enable (RCC_GPIOA);
rcc_periph_clock_enable (RCC_GPIOB);
rcc_periph_clock_enable (RCC_GPIOC);
rcc_periph_clock_enable (RCC_USART1);
rcc_periph_clock_enable (RCC_AFIO);
rcc_periph_clock_enable (RCC_I2C1);
#if 0
nvic_set_priority (NVIC_I2C1_EV_IRQ, 0x38);
nvic_set_priority (NVIC_I2C1_ER_IRQ, 0x39);
nvic_set_priority (NVIC_USART1_IRQ, 0x44);
nvic_set_priority (NVIC_SYSTICK_IRQ, 0xff);
#else
nvic_set_priority (NVIC_I2C1_EV_IRQ, 0xff);
nvic_set_priority (NVIC_I2C1_ER_IRQ, 0xff);
nvic_set_priority (NVIC_SYSTICK_IRQ, 0x80);
nvic_set_priority (NVIC_USART1_IRQ, 0x40);
#endif
gpio_set_mode (LED1_BANK, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, LED1_GPIO);
gpio_set_mode (LED2_BANK, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, LED2_GPIO);
usart_init();
ticker_init();
printf ("Morning chaps!\r\n");
#ifdef USB
usb_init();
#endif
#ifdef I2C_BIT_BANG
i2c_bb_init();
#else
i2c_hw_init();
#endif
for (;;) {
#ifdef USB
usbd_poll (usbd_dev);
#endif
#ifdef I2C_BIT_BANG
i2c_bb_poll();
#endif
}
return 0;
}
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