1 files changed, 85 insertions, 0 deletions
diff --git a/stm32/app/main.c b/stm32/app/main.c
new file mode 100644
index 0000000..d834802
--- /dev/null
+++ b/stm32/app/main.c
@@ -0,0 +1,85 @@
+#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;
+}