riscv-blink: make ledd registers global

Make these registers global so that we can access them from anywhere.

Signed-off-by: Sean Cross <sean@xobs.io>

litex/deps/litex_boards

@@ -1 +1 @@
-Subproject commit 482a00aa768159fe23622a08e67a503f39007967
+Subproject commit d01711fdf9866e6c2cf658b7412501fe63866cb2

riscv-blink/include/rgb.h

@@ -12,4 +12,18 @@ void rgb_off_time(uint8_t ms);
 void rgb_in_time(uint8_t ms);
 void rgb_out_time(uint8_t ms);
 
+enum led_registers {
+    LEDDCR0 = 8,
+    LEDDBR = 9,
+    LEDDONR = 10,
+    LEDDOFR = 11,
+    LEDDBCRR = 5,
+    LEDDBCFR = 6,
+    LEDDPWRR = 1,
+    LEDDPWRG = 2,
+    LEDDPWRB = 3,
+};
+
+void rgb_write(uint8_t value, uint8_t addr);
+
 #endif /* _RGB_H_ */

riscv-blink/src/main.c

@@ -35,7 +35,7 @@ void isr(void) {
 }
 
 
-void main(void) {
+int main(void) {
     rgb_init();
     irq_setie(0);
     int i = 0;

riscv-blink/src/rgb.c

@@ -2,18 +2,6 @@
 #include <rgb.h>
 #include <generated/csr.h>
 
-enum led_registers {
-    LEDDCR0 = 8,
-    LEDDBR = 9,
-    LEDDONR = 10,
-    LEDDOFR = 11,
-    LEDDBCRR = 5,
-    LEDDBCFR = 6,
-    LEDDPWRR = 1,
-    LEDDPWRG = 2,
-    LEDDPWRB = 3,
-};
-
 #define BREATHE_ENABLE (1 << 7)
 #define BREATHE_EDGE_ON (0 << 6)
 #define BREATHE_EDGE_BOTH (1 << 6)
@@ -34,7 +22,7 @@ enum led_registers {
 #define PWM_MODE_LFSR (1 << 2)
 #define PWM_MODE_LINEAR (0 << 2)
 
-static void rgb_write(uint8_t value, uint8_t addr) {
+void rgb_write(uint8_t value, uint8_t addr) {
     rgb_addr_write(addr);
     rgb_dat_write(value);
 }