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| author | root <root@no.no.james.local> | 2017-06-13 21:10:37 +0100 |
|---|---|---|
| committer | root <root@no.no.james.local> | 2017-06-13 21:10:37 +0100 |
| commit | eaf5d4799cc52e9dd1ebcaeafbf8f670658fea98 (patch) | |
| tree | bbeb1993818c5fc8cbcf5a001080f246facc8de6 /app/main.c | |
| download | serial_over_dp-eaf5d4799cc52e9dd1ebcaeafbf8f670658fea98.tar.gz serial_over_dp-eaf5d4799cc52e9dd1ebcaeafbf8f670658fea98.tar.bz2 serial_over_dp-eaf5d4799cc52e9dd1ebcaeafbf8f670658fea98.zip | |
inital commit
Diffstat (limited to 'app/main.c')
| -rw-r--r-- | app/main.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/app/main.c b/app/main.c new file mode 100644 index 0000000..b98bd82 --- /dev/null +++ b/app/main.c @@ -0,0 +1,54 @@ +#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; +} + |