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#include "project.h"
#define WIGGLE GPIO4
#define WIGGLE_PORT GPIOB
int
main (void)
{
unsigned cnt = 0;
//nvic_set_priority_grouping(NVIC_PriorityGroup_4);
/*set up pll */
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/*turn on clocks which aren't done elsewhere */
rcc_periph_clock_enable (RCC_GPIOA);
rcc_periph_clock_enable (RCC_GPIOB);
rcc_periph_clock_enable (RCC_GPIOC);
rcc_periph_clock_enable (RCC_AFIO);
/*Adjust interrupt priorities so that taco trumps uarts trumps timer trumps dma */
nvic_set_priority (TACHO_IRQ, 0x20);
nvic_set_priority (NVIC_USART1_IRQ, 0x40);
nvic_set_priority (NVIC_SYSTICK_IRQ, 0x60);
nvic_set_priority (NVIC_DMA1_CHANNEL6_IRQ, 0x80);
/* Claw some pins pack */
gpio_primary_remap (AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON, 0);
dwt_enable_cycle_counter();
ticker_init();
led_init();
usart_init();
i2cp_init();
printf ("Hello world\n");
led_set();
tacho_init();
delay_ms (100);
oled1_init();
oled2_init();
gauge_init();
font8x8_put_str (vram_1, "ABC fish soup!", 0, 0);
MAP_OUTPUT_PP (WIGGLE);
for (;;) {
char buf[20];
sprintf (buf, "%6u rpm", (unsigned) raw_tacho);
font8x16_put_str (vram_1, buf, 30, 8);
sprintf (buf, "%8d", cnt++);
font8x8_put_str (vram_1, buf, 0, 24);
sprintf (buf, "%6d", cnt >> 4);
font21x32_put_str (vram_2, buf, 0);
if (cnt & 1)
SET (WIGGLE);
else
CLEAR (WIGGLE);
gauge_test();
}
return 0;
}
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