Merge pull request #3481 from cesanta/spi

unify SPI helper APIs
This commit is contained in:
Sergey Lyubka authored and GitHub committed 2026-04-03 11:39:33 +01:00
commit 02e01f90b9
18 files changed
+75 -104

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+3
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@@ -397,9 +397,12 @@ jobs:
- path: nxp/nxp-lpcxpresso54628-lwip-freertos
- path: nxp/nxp-twrk65f180m-lwip-freertos
- path: nxp/nxp-twrkv58f220m-lwip-freertos
- path: pico-sdk/rm2-pico-picosdk-baremetal-builtin
- path: pico-sdk/pico-rmii
- path: stm32/nucleo-f429zi-make-baremetal-builtin-rndis
- path: stm32/rm2-nucleo-f429zi-make-baremetal-builtin
- path: stm32/nucleo-f746zg-make-baremetal-builtin-rndis
- path: stm32/rm2-nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-g031-make-baremetal-builtin
- path: ti/ti-ek-tm4c1294xl-http-server
- path: ti/ek-tm4c1294xl-make-baremetal-builtin-rndis
+3
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@@ -227,6 +227,9 @@ jobs:
fail-fast: false
matrix:
example:
- path: pico-sdk/rm2-pico-picosdk-baremetal-builtin
- path: stm32/rm2-nucleo-f429zi-make-baremetal-builtin
- path: stm32/rm2-nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-g031-make-baremetal-builtin
name: ${{ matrix.example.path }}
env:
+9 -17
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@@ -25189,7 +25189,7 @@ static bool cyw_spi_write(unsigned int f, uint32_t addr, void *data,
uint16_t len) {
struct mg_tcpip_driver_cyw_data *d =
(struct mg_tcpip_driver_cyw_data *) s_ifp->driver_data;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->bus;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->bus;
uint32_t hdr = CYW_SPID_WR | CYW_SPID_INC | CYW_SPID_FUNC(f) |
CYW_SPID_ADDR(addr) | CYW_SPID_LEN(len); // gSPI header
// TODO(scaprile): check spin in between and timeout values, return false
@@ -25219,7 +25219,7 @@ static void cyw_spi_read(unsigned int f, uint32_t addr, void *data,
uint16_t len) {
struct mg_tcpip_driver_cyw_data *d =
(struct mg_tcpip_driver_cyw_data *) s_ifp->driver_data;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->bus;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->bus;
uint32_t padding =
f == CYW_SPID_FUNC_CHIP
? 4
@@ -27454,7 +27454,7 @@ static size_t st67w6_spi_poll(uint8_t *write, uint8_t *read) {
struct mg_tcpip_driver_st67w6_data *d =
(struct mg_tcpip_driver_st67w6_data *) s_ifp->driver_data;
struct spi_hdr *th, *rh = (struct spi_hdr *) read;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->spi;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->spi;
size_t padded;
unsigned int times;
@@ -28681,16 +28681,12 @@ struct mg_tcpip_driver mg_tcpip_driver_tms570 = {mg_tcpip_driver_tms570_init,
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;
uint8_t cmd[] = {control, (uint8_t) (addr >> 8), (uint8_t) (addr & 255)};
s->begin(s->spi);
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;
}
s->txn(s->spi, cmd, NULL, sizeof(cmd));
if (wr) s->txn(s->spi, (uint8_t *) buf, NULL, len);
if (!wr) s->txn(s->spi, NULL, (uint8_t *) buf, len);
s->end(s->spi);
}
@@ -28794,16 +28790,12 @@ 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) {
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 (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;
}
s->txn(s->spi, cmd, NULL, sizeof(cmd));
if (wr) s->txn(s->spi, (uint8_t *) buf, NULL, len);
if (!wr) s->txn(s->spi, NULL, (uint8_t *) buf, len);
s->end(s->spi);
}
+5 -20
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@@ -3384,10 +3384,11 @@ extern struct mg_tcpip_driver mg_tcpip_driver_atcmd;
// Drivers that require SPI, can use this SPI abstraction
struct mg_tcpip_spi {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
uint8_t (*txn)(void *, uint8_t); // SPI transaction: write 1 byte, read reply
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select active
void (*end)(void *); // SPI end: slave select inactive
void (*txn)(void *, uint8_t *write, uint8_t *read,
size_t len); // SPI transaction: write-read len bytes
};
// Alignment and memory section requirements
@@ -3456,14 +3457,6 @@ struct mg_tcpip_driver_atcmd_data {
((defined(MG_ENABLE_DRIVER_CYW) && MG_ENABLE_DRIVER_CYW) || \
(defined(MG_ENABLE_DRIVER_CYW_SDIO) && MG_ENABLE_DRIVER_CYW_SDIO))
struct mg_tcpip_spi_ {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
void (*txn)(void *, uint8_t *, uint8_t *,
size_t len); // SPI transaction: write-read len bytes
};
struct mg_tcpip_driver_cyw_firmware {
const uint8_t *code_addr;
size_t code_len;
@@ -3794,14 +3787,6 @@ bool mg_sdio_transfer(struct mg_tcpip_sdio *sdio, bool write, unsigned int f,
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_ST67W6) && \
MG_ENABLE_DRIVER_ST67W6
struct mg_tcpip_spi_ {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
void (*txn)(void *, uint8_t *, uint8_t *,
size_t len); // SPI transaction: write-read len bytes
};
struct mg_tcpip_driver_st67w6_data {
struct mg_wifi_data wifi;
void *spi;
+2 -2
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@@ -1178,7 +1178,7 @@ static bool cyw_spi_write(unsigned int f, uint32_t addr, void *data,
uint16_t len) {
struct mg_tcpip_driver_cyw_data *d =
(struct mg_tcpip_driver_cyw_data *) s_ifp->driver_data;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->bus;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->bus;
uint32_t hdr = CYW_SPID_WR | CYW_SPID_INC | CYW_SPID_FUNC(f) |
CYW_SPID_ADDR(addr) | CYW_SPID_LEN(len); // gSPI header
// TODO(scaprile): check spin in between and timeout values, return false
@@ -1208,7 +1208,7 @@ static void cyw_spi_read(unsigned int f, uint32_t addr, void *data,
uint16_t len) {
struct mg_tcpip_driver_cyw_data *d =
(struct mg_tcpip_driver_cyw_data *) s_ifp->driver_data;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->bus;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->bus;
uint32_t padding =
f == CYW_SPID_FUNC_CHIP
? 4
-8
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@@ -4,14 +4,6 @@
((defined(MG_ENABLE_DRIVER_CYW) && MG_ENABLE_DRIVER_CYW) || \
(defined(MG_ENABLE_DRIVER_CYW_SDIO) && MG_ENABLE_DRIVER_CYW_SDIO))
struct mg_tcpip_spi_ {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
void (*txn)(void *, uint8_t *, uint8_t *,
size_t len); // SPI transaction: write-read len bytes
};
struct mg_tcpip_driver_cyw_firmware {
const uint8_t *code_addr;
size_t code_len;
+1 -1
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@@ -439,7 +439,7 @@ static size_t st67w6_spi_poll(uint8_t *write, uint8_t *read) {
struct mg_tcpip_driver_st67w6_data *d =
(struct mg_tcpip_driver_st67w6_data *) s_ifp->driver_data;
struct spi_hdr *th, *rh = (struct spi_hdr *) read;
struct mg_tcpip_spi_ *s = (struct mg_tcpip_spi_ *) d->spi;
struct mg_tcpip_spi *s = (struct mg_tcpip_spi *) d->spi;
size_t padded;
unsigned int times;
-8
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@@ -3,14 +3,6 @@
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_ST67W6) && \
MG_ENABLE_DRIVER_ST67W6
struct mg_tcpip_spi_ {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
void (*txn)(void *, uint8_t *, uint8_t *,
size_t len); // SPI transaction: write-read len bytes
};
struct mg_tcpip_driver_st67w6_data {
struct mg_wifi_data wifi;
void *spi;
+3 -7
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@@ -4,16 +4,12 @@
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;
uint8_t cmd[] = {control, (uint8_t) (addr >> 8), (uint8_t) (addr & 255)};
s->begin(s->spi);
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;
}
s->txn(s->spi, cmd, NULL, sizeof(cmd));
if (wr) s->txn(s->spi, (uint8_t *) buf, NULL, len);
if (!wr) s->txn(s->spi, NULL, (uint8_t *) buf, len);
s->end(s->spi);
}
+3 -7
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@@ -6,16 +6,12 @@ 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) {
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 (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;
}
s->txn(s->spi, cmd, NULL, sizeof(cmd));
if (wr) s->txn(s->spi, (uint8_t *) buf, NULL, len);
if (!wr) s->txn(s->spi, NULL, (uint8_t *) buf, len);
s->end(s->spi);
}
+5 -4
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@@ -122,10 +122,11 @@ extern struct mg_tcpip_driver mg_tcpip_driver_atcmd;
// Drivers that require SPI, can use this SPI abstraction
struct mg_tcpip_spi {
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select low
void (*end)(void *); // SPI end: slave select high
uint8_t (*txn)(void *, uint8_t); // SPI transaction: write 1 byte, read reply
void *spi; // Opaque SPI bus descriptor
void (*begin)(void *); // SPI begin: slave select active
void (*end)(void *); // SPI end: slave select inactive
void (*txn)(void *, uint8_t *write, uint8_t *read,
size_t len); // SPI transaction: write-read len bytes
};
// Alignment and memory section requirements
@@ -8,7 +8,13 @@ struct mg_tcpip_spi spi = {
NULL, // SPI metadata
[](void *) { digitalWrite(SS_PIN, LOW); SPI.beginTransaction(SPISettings()); },
[](void *) { digitalWrite(SS_PIN, HIGH); SPI.endTransaction(); },
[](void *, uint8_t c) { return SPI.transfer(c); }, // Execute transaction
[](void *, uint8_t *w, uint8_t *r, size_t n) { // Execute transaction
while (n--) {
uint8_t c = (w != NULL) ? *w++ : 0xFF;
uint8_t d = SPI.transfer(c);
if (r != NULL) *r++ = d;
}
},
};
struct mg_mgr mgr; // Mongoose event manager
struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 5}}; // Network interface
@@ -12,7 +12,13 @@ struct mg_tcpip_spi spi = {
NULL, // SPI metadata
[](void *) { digitalWrite(SS_PIN, LOW); SPI.beginTransaction(SPISettings()); },
[](void *) { digitalWrite(SS_PIN, HIGH); SPI.endTransaction(); },
[](void *, uint8_t c) { return SPI.transfer(c); }, // Execute transaction
[](void *, uint8_t *w, uint8_t *r, size_t n) { // Execute transaction
while (n--) {
uint8_t c = (w != NULL) ? *w++ : 0xFF;
uint8_t d = SPI.transfer(c);
if (r != NULL) *r++ = d;
}
},
};
struct mg_mgr mgr; // Mongoose event manager
struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 5}}; // Network interface
@@ -9,7 +9,7 @@
#define WIFI_PASS "YOUR_WIFI_PASSWORD" // SET THIS!
static const struct mg_tcpip_spi_ spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
static const struct mg_tcpip_spi spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
#ifndef CYW43_RESOURCE_ATTRIBUTE
#define CYW43_RESOURCE_ATTRIBUTE
@@ -24,7 +24,6 @@ static const struct mg_tcpip_driver_cyw_firmware fw = {
// mif user states
enum {AP, SCANNING, STOPPING_AP, CONNECTING, READY};
static unsigned int state;
static uint32_t s_ip, s_mask;
static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
@@ -34,13 +33,7 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
}
switch(state) {
case AP: // we are in AP mode, wait for a user connection to trigger a scan or a connection to a network
if (ev == MG_TCPIP_EV_ST_CHG && *(uint8_t *) ev_data == MG_TCPIP_STATE_UP) {
MG_INFO(("Access Point started"));
s_ip = ifp->ip, ifp->ip = MG_IPV4(192, 168, 169, 1);
s_mask = ifp->mask, ifp->mask = MG_IPV4(255, 255, 255, 0);
ifp->enable_dhcp_client = false;
ifp->enable_dhcp_server = true;
} else if (ev == MG_TCPIP_EV_ST_CHG && *(uint8_t *) ev_data == MG_TCPIP_STATE_READY) {
if (ev == MG_TCPIP_EV_ST_CHG && *(uint8_t *) ev_data == MG_TCPIP_STATE_READY) {
MG_INFO(("Access Point READY !"));
// simulate user request to scan for networks
@@ -54,7 +47,7 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
struct mg_wifi_scan_bss_data *bss = (struct mg_wifi_scan_bss_data *) ev_data;
MG_INFO(("BSS: %.*s (%u) (%M) %d dBm %u", bss->SSID.len, bss->SSID.buf, bss->channel, mg_print_mac, bss->BSSID, (int) bss->RSSI, bss->security));
} else if (ev == MG_TCPIP_EV_WIFI_SCAN_END) {
struct mg_tcpip_driver_cyw_data *d = (struct mg_tcpip_driver_cyw_data *) ifp->driver_data;
//struct mg_tcpip_driver_cyw_data *d = (struct mg_tcpip_driver_cyw_data *) ifp->driver_data;
MG_INFO(("Wi-Fi scan finished"));
// simulate user selection of a network (1/2: stop AP)
@@ -66,18 +59,14 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
break;
case STOPPING_AP:
if (ev == MG_TCPIP_EV_ST_CHG && *(uint8_t *) ev_data == MG_TCPIP_STATE_DOWN) {
struct mg_tcpip_driver_cyw_data *d = (struct mg_tcpip_driver_cyw_data *) ifp->driver_data;
d->apmode = false;
struct mg_wifi_data *wifi = &((struct mg_tcpip_driver_cyw_data *) ifp->driver_data)->wifi;
wifi->apmode = false;
// simulate user selection of a network (2/2: actual connect)
bool res = mg_wifi_connect(d->ssid, d->pass);
bool res = mg_wifi_connect(wifi);
MG_INFO(("Manually connecting: %s", res ? "OK":"FAIL"));
if (res) {
state = CONNECTING;
ifp->ip = s_ip;
ifp->mask = s_mask;
if (ifp->ip == 0) ifp->enable_dhcp_client = true;
ifp->enable_dhcp_server = false;
} // else manually start AP as below
}
break;
@@ -97,13 +86,13 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
case READY:
// go back to AP mode after a disconnection (simulation 2/2), you could retry
if (ev == MG_TCPIP_EV_ST_CHG && *(uint8_t *) ev_data == MG_TCPIP_STATE_DOWN) {
struct mg_tcpip_driver_cyw_data *d = (struct mg_tcpip_driver_cyw_data *) ifp->driver_data;
bool res = mg_wifi_ap_start(d->apssid, d->appass, d->apchannel);
struct mg_wifi_data *wifi = &((struct mg_tcpip_driver_cyw_data *) ifp->driver_data)->wifi;
bool res = mg_wifi_ap_start(wifi);
MG_INFO(("Disconnected"));
MG_INFO(("Manually starting AP: %s", res ? "OK":"FAIL"));
if (res) {
state = AP;
d->apmode = true;
wifi->apmode = true;
}
}
break;
@@ -112,7 +101,7 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
static struct mg_tcpip_driver_cyw_data d = {
(struct mg_tcpip_spi_ *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 10, true, true};
{WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 0, 0, 10, true}, (struct mg_tcpip_spi *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, false};
int main(void) {
// initialize stdio
@@ -120,7 +109,9 @@ int main(void) {
hwspecific_spi_init();
state = d.apmode ? AP : CONNECTING;
d.wifi.apip = MG_IPV4(192, 168, 169, 1),
d.wifi.apmask = MG_IPV4(255, 255, 255, 0),
state = d.wifi.apmode ? AP : CONNECTING;
struct mg_mgr mgr; // Initialise Mongoose event manager
mg_mgr_init(&mgr); // and attach it to the interface
@@ -159,7 +159,7 @@ static inline void spi_init(struct spi *spi) {
}
// Send a byte, and return a received byte
static inline uint8_t spi_txn(struct spi *spi, uint8_t write_byte) {
static inline uint8_t spi_1byte(struct spi *spi, uint8_t write_byte) {
unsigned count = spi->spin <= 0 ? 9 : (unsigned) spi->spin;
uint8_t rx = 0, tx = write_byte;
for (int i = 0; i < 8; i++) {
@@ -176,6 +176,14 @@ static inline uint8_t spi_txn(struct spi *spi, uint8_t write_byte) {
return rx; // Return the received byte
}
static inline void spi_txn(struct spi *spi, uint8_t *w, uint8_t *r, size_t n) {
while (n--) {
uint8_t c = (w != NULL) ? *w++ : 0xFF;
uint8_t d = spi_1byte(spi, c);
if (r != NULL) *r++ = d;
}
}
#define UUID ((uint32_t *) UID_BASE) // Unique 96-bit chip ID. TRM 59.1
// Helper macro for MAC generation, byte reads not allowed
@@ -86,7 +86,7 @@ int main(void) {
struct mg_tcpip_spi spi = {
.begin = (void (*)(void *)) spi_begin,
.end = (void (*)(void *)) spi_end,
.txn = (uint8_t(*)(void *, uint8_t)) spi_txn,
.txn = (void (*)(void *, uint8_t *, uint8_t *, size_t)) spi_txn,
.spi = &spi_pins,
};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
@@ -66,7 +66,7 @@ static void hwspecific_spi_init(void) {
mg_delayms(50);
}
static const struct mg_tcpip_spi_ spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
static const struct mg_tcpip_spi spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
#ifndef CYW43_RESOURCE_ATTRIBUTE
#define CYW43_RESOURCE_ATTRIBUTE
@@ -162,7 +162,7 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
static struct mg_tcpip_driver_cyw_data d = {
{WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 0, 0, 10, true}, (struct mg_tcpip_spi_ *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, false};
{WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 0, 0, 10, true}, (struct mg_tcpip_spi *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, false};
int main(void) {
uart_init(UART_DEBUG, 115200); // Initialise debug printf
@@ -66,7 +66,7 @@ static void hwspecific_spi_init(void) {
mg_delayms(50);
}
static const struct mg_tcpip_spi_ spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
static const struct mg_tcpip_spi spi = {NULL, hwspecific_spi_begin, hwspecific_spi_end, hwspecific_spi_txn};
#ifndef CYW43_RESOURCE_ATTRIBUTE
#define CYW43_RESOURCE_ATTRIBUTE
@@ -162,7 +162,7 @@ static void mif_fn(struct mg_tcpip_if *ifp, int ev, void *ev_data) {
static struct mg_tcpip_driver_cyw_data d = {
{WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 0, 0, 10, true}, (struct mg_tcpip_spi_ *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, false};
{WIFI_SSID, WIFI_PASS, "mongoose", "mongoose", 0, 0, 0, 0, 10, true}, (struct mg_tcpip_spi *)&spi, (struct mg_tcpip_driver_cyw_firmware *)&fw, false};
int main(void) {
uart_init(UART_DEBUG, 115200); // Initialise debug printf