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Make net_builtin C89 friendly

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Sergey Lyubka committed 2024-02-25 12:21:06 +00:00
1 parent 01ae80ecd1
commit ecb3301bcb
3 files changed
+46 -34
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src/drivers/w5500.c
+12 -9
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@@ -4,14 +4,15 @@
enum { W5500_CR = 0, W5500_S0 = 1, W5500_TX0 = 2, W5500_RX0 = 3 };
static void w5500_txn(struct mg_tcpip_spi *s, uint8_t block, uint16_t addr, bool wr,
void *buf, size_t len) {
static void w5500_txn(struct mg_tcpip_spi *s, uint8_t block, uint16_t addr,
bool wr, void *buf, size_t len) {
size_t i;
uint8_t *p = (uint8_t *) buf;
uint8_t cmd[] = {(uint8_t) (addr >> 8), (uint8_t) (addr & 255),
(uint8_t) ((block << 3) | (wr ? 4 : 0))};
s->begin(s->spi);
for (size_t i = 0; i < sizeof(cmd); i++) s->txn(s->spi, cmd[i]);
for (size_t i = 0; i < len; i++) {
for (i = 0; i < sizeof(cmd); i++) s->txn(s->spi, cmd[i]);
for (i = 0; i < len; i++) {
uint8_t r = s->txn(s->spi, p[i]);
if (!wr) p[i] = r;
}
@@ -46,15 +47,16 @@ static size_t w5500_rx(void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
return r;
}
static size_t w5500_tx(const void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
static size_t w5500_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 n = 0, len = (uint16_t) buflen;
uint16_t i, ptr, n = 0, len = (uint16_t) buflen;
while (n < len) n = w5500_r2(s, W5500_S0, 0x20); // Wait for space
uint16_t ptr = w5500_r2(s, W5500_S0, 0x24); // Get write pointer
ptr = w5500_r2(s, W5500_S0, 0x24); // Get write pointer
w5500_wn(s, W5500_TX0, ptr, (void *) buf, len); // Write data
w5500_w2(s, W5500_S0, 0x24, (uint16_t) (ptr + len)); // Advance write pointer
w5500_w1(s, W5500_S0, 1, 0x20); // Sock0 CR -> SEND
for (int i = 0; i < 40; i++) {
for (i = 0; i < 40; i++) {
uint8_t ir = w5500_r1(s, W5500_S0, 2); // Read S0 IR
if (ir == 0) continue;
// printf("IR %d, len=%d, free=%d, ptr %d\n", ir, (int) len, (int) n, ptr);
@@ -85,5 +87,6 @@ static bool w5500_up(struct mg_tcpip_if *ifp) {
return phycfgr & 1; // Bit 0 of PHYCFGR is LNK (0 - down, 1 - up)
}
struct mg_tcpip_driver mg_tcpip_driver_w5500 = {w5500_init, w5500_tx, w5500_rx, w5500_up};
struct mg_tcpip_driver mg_tcpip_driver_w5500 = {w5500_init, w5500_tx, w5500_rx,
w5500_up};
#endif