i2s driver fixed; added uart programming;

1 files changed, 15 insertions, 8 deletions

diff --git a/fw/fe310/eos/soc/timer.c b/fw/fe310/eos/soc/timer.c
index 91861a3..8d74c6d 100644
--- a/fw/fe310/eos/soc/timer.c
+++ b/fw/fe310/eos/soc/timer.c
@@ -26,12 +26,13 @@ static void timer_handle_evt(unsigned char type, unsigned char *buffer, uint16_t
 }
 
 void _eos_timer_handle(void) {
-    int i;
     volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
     uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t now = *mtime;
+    uint64_t now;
     uint64_t next = 0;
+    int i;
 
+    now = *mtime;
     for (i=0; i<=EOS_TIMER_MAX_ETYPE; i++) {
         if (timer_next[i] && (timer_next[i] <= now)) {
             timer_next[i] = 0;
@@ -48,8 +49,8 @@ void _eos_timer_handle(void) {
 }
 
 int eos_timer_init(uint8_t wakeup_cause) {
-    int i;
     uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
+    int i;
 
     clear_csr(mie, MIP_MTIP);
     *mtimecmp = 0;
@@ -89,11 +90,11 @@ uint32_t eos_timer_get(unsigned char evt) {
 }
 
 void eos_timer_set(unsigned char evt, uint32_t msec) {
-    int i;
     volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
     uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
     uint64_t tick = *mtime + msec * (uint64_t)EOS_TIMER_RTC_FREQ / 1000;
     uint64_t next = 0;
+    int i;
 
     if (*mtimecmp != 0) clear_csr(mie, MIP_MTIP);
     timer_next[evt] = tick;
@@ -105,9 +106,9 @@ void eos_timer_set(unsigned char evt, uint32_t msec) {
 }
 
 void eos_timer_clear(unsigned char evt) {
-    int i;
     uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
     uint64_t next = 0;
+    int i;
 
     if (*mtimecmp != 0) clear_csr(mie, MIP_MTIP);
     if (timer_next[evt]) {
@@ -122,16 +123,22 @@ void eos_timer_clear(unsigned char evt) {
 
 void eos_time_sleep(uint32_t msec) {
     volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t mtime0 = *mtime;
+    uint32_t mtime0 = *mtime;
 
     while ((*mtime - mtime0) < (msec * EOS_TIMER_RTC_FREQ / 1000 + 1));
 }
 
-uint64_t eos_time_get_tick(void) {
+uint32_t eos_time_get_tick(void) {
     volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
     return *mtime;
 }
 
+uint64_t eos_time_get_tick64(void) {
+    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
+    return *mtime;
+}
+
+
 uint32_t eos_time_delta_ms(uint32_t tick) {
-    return ((uint32_t)eos_time_get_tick() - tick) * 1000 / EOS_TIMER_RTC_FREQ;
+    return (eos_time_get_tick() - tick) * 1000 / EOS_TIMER_RTC_FREQ;
 }