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Diffstat (limited to 'code/fe310/eos/net.c')
-rw-r--r--code/fe310/eos/net.c73
1 files changed, 35 insertions, 38 deletions
diff --git a/code/fe310/eos/net.c b/code/fe310/eos/net.c
index a198955..b6f5722 100644
--- a/code/fe310/eos/net.c
+++ b/code/fe310/eos/net.c
@@ -71,8 +71,8 @@ static unsigned char *net_bufq_pop(void) {
}
static void net_xchg_reset(void) {
- net_state_flags &= ~NET_FLAG_CTS;
- net_state_flags |= NET_FLAG_RST;
+ net_state_flags &= ~NET_STATE_FLAG_CTS;
+ net_state_flags |= NET_STATE_FLAG_RST;
// before starting a transaction, set SPI peripheral to desired mode
SPI1_REG(SPI_REG_CSMODE) = SPI_CSMODE_HOLD;
@@ -84,11 +84,11 @@ static void net_xchg_reset(void) {
}
static void net_xchg_start(unsigned char type, unsigned char *buffer, uint16_t len) {
- net_state_flags &= ~NET_FLAG_CTS;
- net_state_flags |= NET_FLAG_INIT;
+ net_state_flags &= ~NET_STATE_FLAG_CTS;
+ net_state_flags |= NET_STATE_FLAG_INIT;
- if (net_state_next_cnt && (net_state_next_buf == NULL)) type |= EOS_NET_MTYPE_FLAG_ONEW;
- if (type & EOS_NET_MTYPE_FLAG_ONEW) net_state_flags |= NET_FLAG_ONEW;
+ if (net_state_next_cnt && (net_state_next_buf == NULL)) type |= NET_MTYPE_FLAG_ONEW;
+ if (type & NET_MTYPE_FLAG_ONEW) net_state_flags |= NET_STATE_FLAG_ONEW;
net_state_type = type;
net_state_len_tx = len;
@@ -109,23 +109,23 @@ static void net_xchg_start(unsigned char type, unsigned char *buffer, uint16_t l
static void net_xchg_handler(void) {
volatile uint32_t r1, r2;
- if (net_state_flags & NET_FLAG_RST) {
- net_state_flags &= ~NET_FLAG_RST;
+ if (net_state_flags & NET_STATE_FLAG_RST) {
+ net_state_flags &= ~NET_STATE_FLAG_RST;
r1 = SPI1_REG(SPI_REG_RXFIFO);
SPI1_REG(SPI_REG_CSMODE) = SPI_CSMODE_AUTO;
SPI1_REG(SPI_REG_IE) = 0x0;
return;
- } else if (net_state_flags & NET_FLAG_INIT) {
- net_state_flags &= ~NET_FLAG_INIT;
+ } else if (net_state_flags & NET_STATE_FLAG_INIT) {
+ net_state_flags &= ~NET_STATE_FLAG_INIT;
SPI1_REG(SPI_REG_TXCTRL) = SPI_TXWM(SPI_SIZE_WM);
SPI1_REG(SPI_REG_IE) = SPI_IP_TXWM;
r1 = SPI1_REG(SPI_REG_RXFIFO);
r2 = SPI1_REG(SPI_REG_RXFIFO);
- if (net_state_type & EOS_NET_MTYPE_FLAG_ONEW) {
+ if (net_state_flags & NET_STATE_FLAG_ONEW) {
r1 = 0;
r2 = 0;
}
@@ -163,7 +163,7 @@ static int net_xchg_next(unsigned char *_buffer) {
eos_msgq_pop(&net_send_q, &type, &buffer, &len);
if (type) {
net_xchg_start(type, buffer, len);
- } else if (net_state_flags & NET_FLAG_RTS) {
+ } else if (net_state_flags & NET_STATE_FLAG_RTS) {
if (_buffer == NULL) _buffer = net_bufq_pop();
if (_buffer) {
net_xchg_start(0, _buffer, 0);
@@ -177,9 +177,9 @@ void eos_net_xchg_done(void) {
if (net_state_type) {
int r = eos_msgq_push(&_eos_event_q, EOS_EVT_NET | net_state_type, _eos_spi_state_buf, net_state_len_rx);
if (r) net_bufq_push(_eos_spi_state_buf);
- } else if (((net_state_flags & NET_FLAG_ONEW) || net_state_next_cnt) && (net_state_next_buf == NULL)) {
+ } else if (((net_state_flags & NET_STATE_FLAG_ONEW) || net_state_next_cnt) && (net_state_next_buf == NULL)) {
net_state_next_buf = _eos_spi_state_buf;
- net_state_flags &= ~NET_FLAG_ONEW;
+ net_state_flags &= ~NET_STATE_FLAG_ONEW;
} else {
net_bufq_push(_eos_spi_state_buf);
}
@@ -187,9 +187,9 @@ void eos_net_xchg_done(void) {
static void net_handler_cts(void) {
GPIO_REG(GPIO_RISE_IP) = (1 << NET_PIN_CTS);
- net_state_flags |= NET_FLAG_CTS;
+ net_state_flags |= NET_STATE_FLAG_CTS;
- if (net_state_flags & NET_FLAG_RUN) {
+ if (net_state_flags & NET_STATE_FLAG_RUN) {
net_xchg_next(NULL);
}
}
@@ -198,11 +198,11 @@ static void net_handler_rts(void) {
uint32_t rts_offset = (1 << NET_PIN_RTS);
if (GPIO_REG(GPIO_RISE_IP) & rts_offset) {
GPIO_REG(GPIO_RISE_IP) = rts_offset;
- net_state_flags |= NET_FLAG_RTS;
- if ((net_state_flags & NET_FLAG_RUN) && (net_state_flags & NET_FLAG_CTS)) net_xchg_reset();
+ net_state_flags |= NET_STATE_FLAG_RTS;
+ if ((net_state_flags & NET_STATE_FLAG_RUN) && (net_state_flags & NET_STATE_FLAG_CTS)) net_xchg_reset();
} else if (GPIO_REG(GPIO_FALL_IP) & rts_offset) {
GPIO_REG(GPIO_FALL_IP) = rts_offset;
- net_state_flags &= ~NET_FLAG_RTS;
+ net_state_flags &= ~NET_STATE_FLAG_RTS;
}
}
@@ -270,8 +270,8 @@ void eos_net_start(void) {
SPI1_REG(SPI_REG_SCKDIV) = SPI_DIV_NET;
SPI1_REG(SPI_REG_CSID) = SPI_CS_IDX_NET;
- net_state_flags |= NET_FLAG_RUN;
- if (net_state_flags & NET_FLAG_CTS) net_xchg_next(NULL);
+ net_state_flags |= NET_STATE_FLAG_RUN;
+ if (net_state_flags & NET_STATE_FLAG_CTS) net_xchg_next(NULL);
}
void eos_net_stop(void) {
@@ -279,8 +279,8 @@ void eos_net_stop(void) {
while (!done) {
clear_csr(mstatus, MSTATUS_MIE);
- net_state_flags &= ~NET_FLAG_RUN;
- done = net_state_flags & NET_FLAG_CTS;
+ net_state_flags &= ~NET_STATE_FLAG_RUN;
+ done = net_state_flags & NET_STATE_FLAG_CTS;
if (!done) asm volatile ("wfi");
set_csr(mstatus, MSTATUS_MIE);
}
@@ -310,17 +310,13 @@ int eos_net_acquire(unsigned char reserved) {
return ret;
}
-int eos_net_release(void) {
- int rv = EOS_OK;
-
+void eos_net_release(void) {
clear_csr(mstatus, MSTATUS_MIE);
if (!net_state_next_cnt && net_state_next_buf) {
- rv = net_bufq_push(net_state_next_buf);
- if (!rv) net_state_next_buf = NULL;
+ net_bufq_push(net_state_next_buf);
+ net_state_next_buf = NULL;
}
set_csr(mstatus, MSTATUS_MIE);
-
- return rv;
}
unsigned char *eos_net_alloc(void) {
@@ -340,30 +336,31 @@ unsigned char *eos_net_alloc(void) {
return ret;
}
-int eos_net_free(unsigned char *buffer, unsigned char more) {
- int rv = EOS_OK;
+void eos_net_free(unsigned char *buffer, unsigned char more) {
uint8_t do_release = 1;
clear_csr(mstatus, MSTATUS_MIE);
if ((more || net_state_next_cnt) && (net_state_next_buf == NULL)) {
net_state_next_buf = buffer;
} else {
- if ((net_state_flags & NET_FLAG_RUN) && (net_state_flags & NET_FLAG_CTS)) do_release = net_xchg_next(buffer);
- if (do_release) rv = net_bufq_push(buffer);
+ if ((net_state_flags & NET_STATE_FLAG_RUN) && (net_state_flags & NET_STATE_FLAG_CTS)) do_release = net_xchg_next(buffer);
+ if (do_release) net_bufq_push(buffer);
}
set_csr(mstatus, MSTATUS_MIE);
-
- return rv;
}
-int eos_net_send(unsigned char type, unsigned char *buffer, uint16_t len) {
+int eos_net_send(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char more) {
int rv = EOS_OK;
+ if (more) {
+ type |= NET_MTYPE_FLAG_ONEW;
+ }
clear_csr(mstatus, MSTATUS_MIE);
- if ((net_state_flags & NET_FLAG_RUN) && (net_state_flags & NET_FLAG_CTS)) {
+ if ((net_state_flags & NET_STATE_FLAG_RUN) && (net_state_flags & NET_STATE_FLAG_CTS)) {
net_xchg_start(type, buffer, len);
} else {
rv = eos_msgq_push(&net_send_q, type, buffer, len);
+ if (rv) net_bufq_push(buffer);
}
set_csr(mstatus, MSTATUS_MIE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:07:26 +0000