C++-ize W6300 driver: remove vtable indirection, constexpr pins, pragma once

w6300/wizchip_spi.cpp

@@ -0,0 +1,52 @@
+#include <cstdio>
+#include "pico/stdlib.h"
+#include "pico/critical_section.h"
+#include "wizchip_conf.h"
+#include "wizchip_spi.h"
+#include "wizchip_qspi_pio.h"
+
+static critical_section_t g_cris_sec;
+
+void wizchip_cris_enter() {
+    critical_section_enter_blocking(&g_cris_sec);
+}
+
+void wizchip_cris_exit() {
+    critical_section_exit(&g_cris_sec);
+}
+
+void wizchip_reset() {
+    gpio_init(PIN_RST);
+    gpio_set_dir(PIN_RST, GPIO_OUT);
+    gpio_put(PIN_RST, 0);
+    sleep_ms(100);
+    gpio_put(PIN_RST, 1);
+    sleep_ms(100);
+}
+
+void wizchip_spi_initialize() {
+    wizchip_pio_init();
+}
+
+void wizchip_cris_initialize() {
+    critical_section_init(&g_cris_sec);
+}
+
+void wizchip_initialize() {
+    wizchip_pio_frame_end();
+    uint8_t memsize[2][8] = {{4, 4, 4, 4, 4, 4, 4, 4}, {4, 4, 4, 4, 4, 4, 4, 4}};
+    ctlwizchip(CW_INIT_WIZCHIP, (void *)memsize);
+}
+
+void wizchip_check() {
+    if (getCIDR() != 0x6300) {
+        printf("W6300 ACCESS ERR: CIDR = 0x%04x\n", getCIDR());
+        while (1);
+    }
+}
+
+void network_initialize(wiz_NetInfo net_info) {
+    uint8_t syslock = SYS_NET_LOCK;
+    ctlwizchip(CW_SYS_UNLOCK, &syslock);
+    ctlnetwork(CN_SET_NETINFO, (void *)&net_info);
+}