diff options
Diffstat (limited to 'fw/fe310/eos/net.c')
| -rw-r--r-- | fw/fe310/eos/net.c | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/fw/fe310/eos/net.c b/fw/fe310/eos/net.c index e65bcd2..e10414c 100644 --- a/fw/fe310/eos/net.c +++ b/fw/fe310/eos/net.c @@ -24,7 +24,7 @@ #define NET_STATE_FLAG_INIT 0x02 #define NET_STATE_FLAG_XCHG 0x04 #define NET_STATE_FLAG_ONEW 0x10 -#define NET_STATE_FLAG_REPW 0x20 +#define NET_STATE_FLAG_SYNC 0x20 #define NET_STATE_FLAG_RTS 0x40 #define NET_STATE_FLAG_CTS 0x80 @@ -108,7 +108,6 @@ static void net_xchg_start(unsigned char type, unsigned char *buffer, uint16_t l 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_STATE_FLAG_ONEW; - if (type & EOS_NET_MTYPE_FLAG_REPW) net_state_flags |= NET_STATE_FLAG_REPW; net_state_type = type; net_state_len_tx = len; @@ -156,7 +155,7 @@ static void net_handle_xchg(void) { r2 = SPI1_REG(SPI_REG_RXFIFO); r3 = SPI1_REG(SPI_REG_RXFIFO); - if (net_state_flags & (NET_STATE_FLAG_ONEW | NET_STATE_FLAG_REPW)) { + if (net_state_flags & NET_STATE_FLAG_ONEW) { r1 = 0; r2 = 0; r3 = 0; @@ -189,20 +188,17 @@ static void net_handle_xchg(void) { eos_spi_handle_xchg(); if (SPI1_REG(SPI_REG_CSMODE) == SPI_CSMODE_AUTO) { // exchange done - if (net_state_flags & NET_STATE_FLAG_REPW) { - net_state_flags &= ~NET_STATE_FLAG_REPW; - } else { + if (!(net_state_flags & NET_STATE_FLAG_SYNC)) { if (net_state_type) { int r = eos_evtq_push_isr(EOS_EVT_NET | net_state_type, net_state_buf, net_state_len_rx); if (r) eos_bufq_push(&net_buf_q, net_state_buf); } else if (((net_state_flags & NET_STATE_FLAG_ONEW) || net_state_next_cnt) && (net_state_next_buf == NULL)) { net_state_next_buf = net_state_buf; - net_state_flags &= ~NET_STATE_FLAG_ONEW; } else { eos_bufq_push(&net_buf_q, net_state_buf); } } - net_state_flags &= ~NET_STATE_FLAG_XCHG; + net_state_flags &= ~(NET_STATE_FLAG_ONEW | NET_STATE_FLAG_XCHG); } } @@ -515,17 +511,21 @@ void eos_net_free(unsigned char *buffer, unsigned char more) { set_csr(mstatus, MSTATUS_MIE); } -static int net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len) { +static int net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len, unsigned char flags) { int rv = EOS_OK; int _sync = 0; unsigned char _type = *type; uint16_t _len = *len; uint8_t spi_dev = EOS_SPI_DEV_NET; + if (flags & EOS_NET_FLAG_ONEW) _type |= EOS_NET_MTYPE_FLAG_ONEW; + if (flags & EOS_NET_FLAG_REPL) _type |= EOS_NET_MTYPE_FLAG_REPL; + if (flags & EOS_NET_FLAG_SYNC) _sync = 1; + clear_csr(mstatus, MSTATUS_MIE); - if ((_type & EOS_NET_MTYPE_FLAG_REPW) || ((_type & EOS_NET_MTYPE_FLAG_ONEW) && !(net_state_flags & NET_STATE_FLAG_RUN))) _sync = 1; + if ((flags & EOS_NET_FLAG_ONEW) && !(net_state_flags & NET_STATE_FLAG_RUN)) _sync = 1; - if (!(net_state_flags & NET_STATE_FLAG_RUN) && _sync) { + if (_sync && !(net_state_flags & NET_STATE_FLAG_RUN)) { int _rv; set_csr(mstatus, MSTATUS_MIE); @@ -542,19 +542,25 @@ static int net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len) { set_csr(mstatus, MSTATUS_MIE); clear_csr(mstatus, MSTATUS_MIE); } + if (flags & EOS_NET_FLAG_SYNC) { + net_state_flags |= NET_STATE_FLAG_SYNC; + } net_xchg_start(_type, buffer, _len); - if (_type & EOS_NET_MTYPE_FLAG_REPW) { - while (!(net_state_flags & NET_STATE_FLAG_CTS)) { - asm volatile ("wfi"); - set_csr(mstatus, MSTATUS_MIE); - clear_csr(mstatus, MSTATUS_MIE); + if (flags & EOS_NET_FLAG_SYNC) { + if (flags & EOS_NET_FLAG_REPL) { + while (!(net_state_flags & NET_STATE_FLAG_CTS)) { + asm volatile ("wfi"); + set_csr(mstatus, MSTATUS_MIE); + clear_csr(mstatus, MSTATUS_MIE); + } + net_xchg_start(0, buffer, 0); } - net_xchg_start(0, buffer, 0); while (net_state_flags & NET_STATE_FLAG_XCHG) { asm volatile ("wfi"); set_csr(mstatus, MSTATUS_MIE); clear_csr(mstatus, MSTATUS_MIE); } + net_state_flags &= ~NET_STATE_FLAG_SYNC; *type = net_state_type; *len = net_state_len_rx; } @@ -574,12 +580,22 @@ static int net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len) { return rv; } -int eos_net_send(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char more) { - if (more) type |= EOS_NET_MTYPE_FLAG_ONEW; - return net_xchg(&type, buffer, &len); +int eos_net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len) { + return net_xchg(type, buffer, len, (EOS_NET_FLAG_ONEW | EOS_NET_FLAG_SYNC | EOS_NET_FLAG_REPL)); +} + +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)); } -int eos_net_xchg(unsigned char *type, unsigned char *buffer, uint16_t *len) { - *type |= EOS_NET_MTYPE_FLAG_REPW; - return net_xchg(type, buffer, len); +int eos_net_send_async(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char more) { + return net_xchg(&type, buffer, &len, more ? EOS_NET_FLAG_ONEW : 0); +} + +int _eos_net_send(unsigned char type, unsigned char *buffer, uint16_t len, unsigned char async, unsigned char more) { + if (async) { + eos_net_send_async(type, buffer, len, more); + } else { + eos_net_send(type, buffer, len); + } } |