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Change driver API: up(ifp) -> poll(ifp, 1second)

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Add misc extras required by Wi-Fi drivers (in progress)
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Sergio R. Caprile committed 2025-03-07 14:14:16 -03:00
1 parent 8906b1ac0f
commit 065027843e
30 files changed
+359 -248
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src/drivers/w5100.c
+25 -25
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@@ -2,8 +2,8 @@
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_W5100) && MG_ENABLE_DRIVER_W5100
static void w5100_txn(struct mg_tcpip_spi *s, uint16_t addr,
bool wr, void *buf, size_t len) {
static void w5100_txn(struct mg_tcpip_spi *s, uint16_t addr, bool wr, void *buf,
size_t len) {
size_t i;
uint8_t *p = (uint8_t *) buf;
uint8_t control = wr ? 0xF0 : 0x0F;
@@ -28,8 +28,8 @@ static uint16_t w5100_r2(struct mg_tcpip_spi *s, uint16_t addr) { uint8_t buf[2
static size_t w5100_rx(void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) ifp->driver_data;
uint16_t r = 0, n = 0, len = (uint16_t) buflen, n2; // Read recv len
while ((n2 = w5100_r2(s, 0x426)) > n) n = n2; // Until it is stable
uint16_t r = 0, n = 0, len = (uint16_t) buflen, n2; // Read recv len
while ((n2 = w5100_r2(s, 0x426)) > n) n = n2; // Until it is stable
if (n > 0) {
uint16_t ptr = w5100_r2(s, 0x428); // Get read pointer
if (n <= len + 2 && n > 1) {
@@ -46,7 +46,7 @@ static size_t w5100_rx(void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
w5100_rn(s, rxbuf_addr, buf + remaining_len, n - remaining_len);
}
w5100_w2(s, 0x428, (uint16_t) (ptr + n));
w5100_w1(s, 0x401, 0x40); // Sock0 CR -> RECV
w5100_w1(s, 0x401, 0x40); // Sock0 CR -> RECV
}
return r;
}
@@ -55,27 +55,27 @@ static size_t w5100_tx(const void *buf, size_t buflen,
struct mg_tcpip_if *ifp) {
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) ifp->driver_data;
uint16_t i, n = 0, ptr = 0, len = (uint16_t) buflen;
while (n < len) n = w5100_r2(s, 0x420); // Wait for space
ptr = w5100_r2(s, 0x424); // Get write pointer
while (n < len) n = w5100_r2(s, 0x420); // Wait for space
ptr = w5100_r2(s, 0x424); // Get write pointer
uint16_t txbuf_size = (1 << (w5100_r1(s, 0x1b) & 3)) * 1024;
uint16_t ptr_ofs = ptr & (txbuf_size - 1);
uint16_t txbuf_addr = 0x4000;
if (ptr_ofs + len > txbuf_size) {
uint16_t size = txbuf_size - ptr_ofs;
w5100_wn(s, txbuf_addr + ptr_ofs, (char*) buf, size);
w5100_wn(s, txbuf_addr, (char*) buf + size, len - size);
w5100_wn(s, txbuf_addr + ptr_ofs, (char *) buf, size);
w5100_wn(s, txbuf_addr, (char *) buf + size, len - size);
} else {
w5100_wn(s, txbuf_addr + ptr_ofs, (char*) buf, len);
w5100_wn(s, txbuf_addr + ptr_ofs, (char *) buf, len);
}
w5100_w2(s, 0x424, (uint16_t) (ptr + len)); // Advance write pointer
w5100_w1(s, 0x401, 0x20); // Sock0 CR -> SEND
w5100_w1(s, 0x401, 0x20); // Sock0 CR -> SEND
for (i = 0; i < 40; i++) {
uint8_t ir = w5100_r1(s, 0x402); // Read S0 IR
if (ir == 0) continue;
// printf("IR %d, len=%d, free=%d, ptr %d\n", ir, (int) len, (int) n, ptr);
w5100_w1(s, 0x402, ir); // Write S0 IR: clear it!
if (ir & 8) len = 0; // Timeout. Report error
if (ir & (16 | 8)) break; // Stop on SEND_OK or timeout
w5100_w1(s, 0x402, ir); // Write S0 IR: clear it!
if (ir & 8) len = 0; // Timeout. Report error
if (ir & (16 | 8)) break; // Stop on SEND_OK or timeout
}
return len;
}
@@ -83,24 +83,24 @@ static size_t w5100_tx(const void *buf, size_t buflen,
static bool w5100_init(struct mg_tcpip_if *ifp) {
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) ifp->driver_data;
s->end(s->spi);
w5100_w1(s, 0, 0x80); // Reset chip: CR -> 0x80
w5100_w1(s, 0x72, 0x53); // CR PHYLCKR -> unlock PHY
w5100_w1(s, 0x46, 0); // CR PHYCR0 -> autonegotiation
w5100_w1(s, 0x47, 0); // CR PHYCR1 -> reset
w5100_w1(s, 0x72, 0x00); // CR PHYLCKR -> lock PHY
w5100_w1(s, 0x1a, 6); // Sock0 RX buf size - 4KB
w5100_w1(s, 0x1b, 6); // Sock0 TX buf size - 4KB
w5100_w1(s, 0, 0x80); // Reset chip: CR -> 0x80
w5100_w1(s, 0x72, 0x53); // CR PHYLCKR -> unlock PHY
w5100_w1(s, 0x46, 0); // CR PHYCR0 -> autonegotiation
w5100_w1(s, 0x47, 0); // CR PHYCR1 -> reset
w5100_w1(s, 0x72, 0x00); // CR PHYLCKR -> lock PHY
w5100_w1(s, 0x1a, 6); // Sock0 RX buf size - 4KB
w5100_w1(s, 0x1b, 6); // Sock0 TX buf size - 4KB
w5100_w1(s, 0x400, 4); // Sock0 MR -> MACRAW
w5100_w1(s, 0x401, 1); // Sock0 CR -> OPEN
return w5100_r1(s, 0x403) == 0x42; // Sock0 SR == MACRAW
}
static bool w5100_up(struct mg_tcpip_if *ifp) {
static bool w5100_poll(struct mg_tcpip_if *ifp, bool s1) {
struct mg_tcpip_spi *spi = (struct mg_tcpip_spi *) ifp->driver_data;
uint8_t physr0 = w5100_r1(spi, 0x3c);
return physr0 & 1; // Bit 0 of PHYSR is LNK (0 - down, 1 - up)
return s1 ? w5100_r1(spi, 0x3c /* PHYSR */) & 1
: false; // Bit 0 of PHYSR is LNK (0 - down, 1 - up)
}
struct mg_tcpip_driver mg_tcpip_driver_w5100 = {w5100_init, w5100_tx, w5100_rx,
w5100_up};
w5100_poll};
#endif