Basic interrupts are working.

1 files changed, 17 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 2bbd0b3..9f5808b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,10 +1,10 @@
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>
-#include "string.h"
 
 #include "byte_math.h"
 #include "ch573/gpio.h"
+#include "ch573/pfic.h"
 #include "ch573/pwr.h"
 #include "ch573/uart.h"
 #include "clock.h"
@@ -13,8 +13,12 @@
 #include "string.h"
 #include "sysled.h"
 #include "system.h"
+#include "systick.h"
 #include "ws2812b.h"
 
+#define PFIC_I CH573_PFIC__PFIC_T_INTF
+#define PFIC ch573_pfic__pfic
+
 #define GPIO_PORT_A ch573_gpio__gpio_port_a
 #define GPIO_PORT_B ch573_gpio__gpio_port_b
 #define GPIO_PORT CH573_GPIO__GPIO_PORT_T_INTF
@@ -203,14 +207,25 @@ int main(void)
 {
   char buf[N_LEDS * TOTAL_BYTES_PER_LED];
 
+  PFIC_I.vector_table_control.set(PFIC, 1);
+  PFIC->interrupt_priority_threshold = 0x10;
+  PFIC->interrupt_enable |= IRQ_SysTick;
+
+  printf(
+      "PFIC enable status 1: %08x\n",
+      (uint32_t)(PFIC->interrupt_enable_status));
+
   set_system_clock_60Mhz();
+
+  set_systick(250000);
+
   enable_sysled();
   enable_spi();
 
   size_t n = sizeof(buf);
   struct ws2812b_buf ws_buf;
   make_wsb2812b(&ws_buf, buf, n);
-  ws_buf.byte_order = BYTE_ORDER_RGB;
+  ws_buf.byte_order = BYTE_ORDER_GRB;
 
   rgb_t color;
   uint32_t time = 0;