diff options
Diffstat (limited to 'software/led_fade')
| -rw-r--r-- | software/led_fade/led_fade.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/software/led_fade/led_fade.c b/software/led_fade/led_fade.c index 775647a..3c7b8c8 100644 --- a/software/led_fade/led_fade.c +++ b/software/led_fade/led_fade.c @@ -6,6 +6,10 @@ #include <stdint.h> #include "platform.h" +#ifndef _SIFIVE_HIFIVE1_H +#error "'led_fade' is designed to run on HiFive1 and/or E300 Arty Dev Kit." +#endif + static const char led_msg[] = "\a\n\r\n\r\ 55555555555555555555555555555555555555555555555\n\r\ 5555555 Are the LEDs Changing? [y/n] 555555555\n\r\ @@ -118,7 +122,7 @@ int main (void){ GPIO_REG(GPIO_OUTPUT_XOR) |= (1 << RED_LED_OFFSET); while(1){ - volatile uint64_t * now = (volatile uint64_t*)(CLINT_BASE_ADDR + CLINT_MTIME); + volatile uint64_t * now = (volatile uint64_t*)(CLINT_CTRL_ADDR + CLINT_MTIME); volatile uint64_t then = *now + 100; while (*now < then) { } |