From 69ed847740e3efb5c5ff6319629c93d236150959 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Fri, 23 Sep 2022 20:08:02 +0200
Subject: i2s driver fixed; added uart programming;

---
 fw/fe310/eos/dev/net.c | 24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

(limited to 'fw/fe310/eos/dev/net.c')

diff --git a/fw/fe310/eos/dev/net.c b/fw/fe310/eos/dev/net.c
index 3811368..11250bc 100644
--- a/fw/fe310/eos/dev/net.c
+++ b/fw/fe310/eos/dev/net.c
@@ -91,7 +91,6 @@ static void net_xchg_wake(void) {
     SPI1_REG(SPI_REG_CSMODE) = SPI_CSMODE_AUTO;
 }
 
-__attribute__ ((section (".itim")))
 static void net_xchg_reset(void) {
     volatile uint32_t x = 0;
     net_state_flags &= ~NET_STATE_FLAG_CTS;
@@ -104,7 +103,6 @@ static void net_xchg_reset(void) {
     SPI1_REG(SPI_REG_CSMODE) = SPI_CSMODE_AUTO;
 }
 
-__attribute__ ((section (".itim")))
 static void net_xchg_start(unsigned char type, unsigned char *buffer, uint16_t len) {
     net_state_flags &= ~NET_STATE_FLAG_CTS;
     net_state_flags |= (NET_STATE_FLAG_INIT | NET_STATE_FLAG_XCHG);
@@ -125,7 +123,6 @@ static void net_xchg_start(unsigned char type, unsigned char *buffer, uint16_t l
     SPI1_REG(SPI_REG_IE) = SPI_IP_RXWM;
 }
 
-__attribute__ ((section (".itim")))
 static int net_xchg_next(unsigned char *_buffer) {
     unsigned char type;
     unsigned char *buffer = NULL;
@@ -148,7 +145,6 @@ static int net_xchg_next(unsigned char *_buffer) {
     return ret;
 }
 
-__attribute__ ((section (".itim")))
 static void net_handle_xchg(void) {
     if (net_state_flags & NET_STATE_FLAG_INIT) {
         volatile uint32_t r1, r2, r3;
@@ -207,7 +203,6 @@ static void net_handle_xchg(void) {
     }
 }
 
-// __attribute__ ((section (".itim")))
 static void net_handle_cts(void) {
     GPIO_REG(GPIO_RISE_IP) = (1 << NET_PIN_CTS);
     net_state_flags |= NET_STATE_FLAG_CTS;
@@ -217,7 +212,6 @@ static void net_handle_cts(void) {
     }
 }
 
-__attribute__ ((section (".itim")))
 static void net_handle_rts(void) {
     uint32_t rts_offset = (1 << NET_PIN_RTS);
 
@@ -233,7 +227,6 @@ static void net_handle_rts(void) {
     }
 }
 
-__attribute__ ((section (".itim")))
 static void net_handle_evt(unsigned char type, unsigned char *buffer, uint16_t len) {
     unsigned char idx = (type & ~EOS_EVT_MASK) - 1;
 
@@ -244,7 +237,6 @@ static void net_handle_evt(unsigned char type, unsigned char *buffer, uint16_t l
     }
 }
 
-__attribute__ ((section (".itim")))
 static int net_acquire(unsigned char reserved) {
     int ret = 0;
 
@@ -271,7 +263,6 @@ static int net_acquire(unsigned char reserved) {
     return ret;
 }
 
-__attribute__ ((section (".itim")))
 static void evt_handler_wrapper(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char idx, uint16_t flag) {
     int ok;
 
@@ -286,7 +277,6 @@ static void evt_handler_wrapper(unsigned char type, unsigned char *buffer, uint1
     }
 }
 
-__attribute__ ((section (".itim")))
 static void evt_handler(unsigned char type, unsigned char *buffer, uint16_t len) {
     unsigned char idx = (type & EOS_EVT_MASK) >> 4;
 
@@ -413,8 +403,7 @@ void eos_net_stop(void) {
 }
 
 int eos_net_sleep(uint32_t timeout) {
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t then_ms = timeout + *mtime * 1000 / EOS_TIMER_RTC_FREQ;
+    uint32_t start;
     uint8_t done = 0;
     int rv = EOS_OK;
 
@@ -424,8 +413,9 @@ int eos_net_sleep(uint32_t timeout) {
 
     if (rv) return rv;
 
+    start = eos_time_get_tick();
     do {
-        if (*mtime * 1000 / EOS_TIMER_RTC_FREQ > then_ms) return EOS_ERR_TIMEOUT;
+        if (eos_time_delta_ms(start) > timeout) return EOS_ERR_TIMEOUT;
         clear_csr(mstatus, MSTATUS_MIE);
         eos_evtq_flush_isr();
         done = (eos_msgq_len(&net_send_q) == 0);
@@ -438,7 +428,7 @@ int eos_net_sleep(uint32_t timeout) {
     } while (!done);
 
     while (!(GPIO_REG(GPIO_RISE_IP) & (1 << NET_PIN_CTS))) {
-        if (*mtime * 1000 / EOS_TIMER_RTC_FREQ > then_ms) {
+        if (eos_time_delta_ms(start) > timeout) {
             rv = EOS_ERR_TIMEOUT;
             break;
         }
@@ -476,13 +466,11 @@ void eos_net_acquire_for_evt(unsigned char type, char acq) {
     }
 }
 
-__attribute__ ((section (".itim")))
 void eos_net_acquire(void) {
     unsigned char acq = net_acquire(0);
     if (!acq) net_acquire(1);
 }
 
-__attribute__ ((section (".itim")))
 void eos_net_release(void) {
     clear_csr(mstatus, MSTATUS_MIE);
     if (!net_state_next_cnt && net_state_next_buf) {
@@ -492,7 +480,6 @@ void eos_net_release(void) {
     set_csr(mstatus, MSTATUS_MIE);
 }
 
-__attribute__ ((section (".itim")))
 unsigned char *eos_net_alloc(void) {
     unsigned char *ret = NULL;
 
@@ -510,7 +497,6 @@ unsigned char *eos_net_alloc(void) {
     return ret;
 }
 
-__attribute__ ((section (".itim")))
 void eos_net_free(unsigned char *buffer, unsigned char more) {
     uint8_t do_release = 1;
 
@@ -528,7 +514,6 @@ void eos_net_free(unsigned char *buffer, unsigned char more) {
     set_csr(mstatus, MSTATUS_MIE);
 }
 
-__attribute__ ((section (".itim")))
 static int net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len, unsigned char flags) {
     int rv = EOS_OK;
     int _sync = 0;
@@ -594,7 +579,6 @@ int eos_net_send(unsigned char type, unsigned char *buffer, uint16_t len) {
     return net_xchg(&type, buffer, &len, (EOS_NET_FLAG_ONEW | EOS_NET_FLAG_SYNC));
 }
 
-__attribute__ ((section (".itim")))
 int eos_net_send_async(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char more) {
     int rv;
 
-- 
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