mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-21 17:50:40 +00:00
Fixed fb.c across the board, iterated on Ethernet support - still WIP
This commit is contained in:
Adam Greenwood-Byrne
parent
befc45feba
commit
66f80328bc
14 changed files with 95 additions and 89 deletions
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@ -15,7 +15,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -17,7 +17,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -7,7 +7,7 @@ void vga256(void)
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -15,7 +15,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -1,6 +1,8 @@
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#include "../net/enc28j60.h"
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#include "../include/fb.h"
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ENC_HandleTypeDef handle;
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// Structure for Ethernet header
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typedef struct {
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@ -11,8 +13,8 @@ typedef struct {
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// Ethernet packet types
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#define ARPPACKET 0x0806
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#define IPPACKET 0x0800
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#define ARPPACKET 0x0608
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#define IPPACKET 0x0008
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// Structure for an ARP Packet
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@ -31,12 +33,12 @@ typedef struct {
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// ARP OpCodes
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#define ARPREPLY 0x0002
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#define ARPREQUEST 0x0001
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#define ARPREPLY 0x0200
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#define ARPREQUEST 0x0100
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// ARP hardware types
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#define ETHERNET 0x0001
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#define ETHERNET 0x0100
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// MAC address to be assigned to the ENC28J60
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@ -135,32 +137,40 @@ void SendArpPacket(uint8_t *targetIP, uint8_t *deviceMAC)
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}
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// Send the packet
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ENC_WriteBuffer((unsigned char*)&arpPacket, sizeof(ARP));
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if (ENC_RestoreTXBuffer(&handle, sizeof(ARP)) == 0) {
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debugstr("Sending ARP request... ");
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debugcrlf();
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ENC_WriteBuffer((unsigned char *)&arpPacket, sizeof(ARP));
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handle.transmitLength = sizeof(ARP);
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ENC_Transmit(&handle);
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}
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}
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void arp_test(void)
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{
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unsigned int tries = 0;
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ARP checkPacket;
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debugstr("Sending ARP request... ");
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ARP *checkPacket;
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SendArpPacket(routerIP, myMAC);
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debugstr("done.");
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debugcrlf();
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debugstr("Waiting for ARP response... ");
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debugcrlf();
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while (tries < 1000) {
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if (ENC_ReadBuffer((unsigned char *)&checkPacket, sizeof(ARP)) == 0) {
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while (1) {
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if (!ENC_GetReceivedFrame(&handle)) {
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continue;
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}
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if (!memcmp(checkPacket.senderIP, routerIP, 4)) {
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uint16_t len = handle.RxFrameInfos.length;
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uint8_t *buffer = (uint8_t *)handle.RxFrameInfos.buffer;
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checkPacket = (ARP *)buffer;
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if (len > 0) {
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if (!memcmp(checkPacket->senderIP, routerIP, 4)) {
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// Success! We have found our router's MAC address
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memcpy(routerMAC, checkPacket.senderMAC, 6);
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memcpy(routerMAC, checkPacket->senderMAC, 6);
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debugstr("Router MAC is ");
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debughex(routerMAC[0]);
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debughex(routerMAC[1]);
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@ -169,26 +179,25 @@ void arp_test(void)
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debughex(routerMAC[4]);
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debughex(routerMAC[5]);
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debugcrlf();
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}
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tries++;
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}
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debugstr("Timed out.");
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debugcrlf();
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break;
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}
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}
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}
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}
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void init_network(void)
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{
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ENC_HandleTypeDef handle;
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debugstr("Setting MAC address to C0:FF:EE:C0:FF:EE.");
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debugcrlf();
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handle.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
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handle.Init.MACAddr = myMAC;
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handle.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
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handle.Init.InterruptEnableBits = 0;
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debugstr("Setting MAC address to C0:FF:EE:C0:FF:EE.");
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debugcrlf();
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ENC_SetMacAddr(&handle);
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debugstr("Starting network up.");
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debugcrlf();
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@ -8,10 +8,10 @@
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void initProgress(void)
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{
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drawRect(0, 0, 301, 50, 0x0f, 0);
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drawString(309, 21, "Core 1", 0x0f, 1);
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drawString(309, 21, "Core 0", 0x0f, 1);
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drawRect(0, 60, 301, 110, 0x0f, 0);
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drawString(309, 81, "Core 2", 0x0f, 1);
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drawString(309, 81, "Core 1", 0x0f, 1);
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drawRect(0, 120, 301, 170, 0x0f, 0);
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drawString(309, 141, "Timer 1", 0x0f, 1);
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@ -28,28 +28,32 @@ void drawProgress(unsigned int core, unsigned int val) {
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if (val > 0) drawRect(1, (60 * core) + 1, (val * 3), (60 * core) + 49, col, 1);
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}
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unsigned int c2_done = 0;
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void core3_main(void) {
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clear_core3(); // Only run once
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void core2_main(void)
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{
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unsigned int core2_val = 0;
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// Test the network card
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clear_core2(); // Only run once
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while (core2_val <= 100) {
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wait_msec(0x100000);
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drawProgress(1, core2_val);
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core2_val++;
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}
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debugstr("Core 2 done.");
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debugcrlf();
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c2_done = 1;
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spi_init();
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init_network();
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arp_test();
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while(1);
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}
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void core0_main(void)
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{
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unsigned int core0_val = 0;
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while (core0_val <= 100) {
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wait_msec(0x100000);
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drawProgress(0, core0_val);
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core0_val++;
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}
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debugstr("Core 0 done.");
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debugcrlf();
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}
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void core1_main(void)
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{
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unsigned int core1_val = 0;
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@ -58,7 +62,7 @@ void core1_main(void)
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while (core1_val <= 100) {
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wait_msec(0x3FFFF);
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drawProgress(0, core1_val);
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drawProgress(1, core1_val);
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core1_val++;
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}
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@ -144,10 +148,9 @@ void main(void)
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initProgress();
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// Kick it off on core 1&2
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// Kick it off on core 1
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start_core1(core1_main);
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start_core2(core2_main);
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// Kick off the timers
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@ -156,18 +159,13 @@ void main(void)
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irq_enable();
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timer_init();
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// Test the network card
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// Kick it off on core 3
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spi_init();
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init_network();
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arp_test();
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start_core3(core3_main);
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// The work is done - wait for timers to get done
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// Kick it off on core 0
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debugstr("Core 0 done.");
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debugcrlf();
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while (!c2_done);
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core0_main();
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// Disable IRQs and loop endlessly
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@ -15,7 +15,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -376,8 +376,7 @@ void enc_reset(ENC_HandleTypeDef *handle) {
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*/
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handle->bank = 0; /* Initialize the trace on the current selected bank */
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//up_mdelay(2);
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HAL_Delay(2); /* >1000 µs, conforms to errata #2 */
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up_udelay(2); /* >1000 µs, conforms to errata #2 */
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}
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/****************************************************************************
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@ -797,7 +796,7 @@ bool ENC_Start(ENC_HandleTypeDef *handle)
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enc_wrbreg(handle, ENC_ERXFCON, ERXFCON_UCEN | ERXFCON_CRCEN | ERXFCON_BCEN);
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do {
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HAL_Delay(10); /* Wait for 10 ms to let the clock be ready */
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up_udelay(10); /* Wait for 10 ms to let the clock be ready */
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regval = enc_rdbreg(handle, ENC_ESTAT);
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} while ((regval & ESTAT_CLKRDY) == 0);
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@ -993,7 +992,7 @@ void ENC_WriteBuffer(void *buffer, uint16_t buflen)
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}
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/****************************************************************************
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* Function: ENC_ReadBuffer
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* Function: enc_rdbuffer
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*
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* Description:
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* Read a buffer of data.
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@ -1010,10 +1009,8 @@ void ENC_WriteBuffer(void *buffer, uint16_t buflen)
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*
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****************************************************************************/
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uint8_t ENC_ReadBuffer(void *buffer, uint16_t buflen)
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static void enc_rdbuffer(void *buffer, uint16_t buflen)
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{
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uint8_t read_count = 0;
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/* Select ENC28J60 chip */
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ENC_SPI_Select(true);
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@ -1024,11 +1021,9 @@ uint8_t ENC_ReadBuffer(void *buffer, uint16_t buflen)
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/* Then read the buffer data */
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read_count = ENC_SPI_SendBuf(NULL, buffer, buflen);
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ENC_SPI_SendBuf(NULL, buffer, buflen);
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/* De-select ENC28J60 chip: done in ENC_SPI_SendBuf callback */
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return read_count;
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}
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/****************************************************************************
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@ -1153,6 +1148,8 @@ void ENC_Transmit(ENC_HandleTypeDef *handle)
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PT_BEGIN(pt);
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if (handle->transmitLength != 0) {
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debugstr("We're actually sending"); debugcrlf();
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/* A frame is ready for transmission */
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/* Set TXRTS to send the packet in the transmit buffer */
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@ -1191,7 +1188,7 @@ void ENC_Transmit(ENC_HandleTypeDef *handle)
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enc_wrbreg(handle, ENC_ERDPTL, addtTsv4 & 0xff);
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enc_wrbreg(handle, ENC_ERDPTH, addtTsv4 >> 8);
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ENC_ReadBuffer(&tsv4, 1);
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enc_rdbuffer(&tsv4, 1);
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regval = enc_rdgreg(ENC_EIR);
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if (!(regval & EIR_TXERIF) || !(tsv4 & TSV_LATECOL)) {
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break;
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@ -1201,7 +1198,10 @@ void ENC_Transmit(ENC_HandleTypeDef *handle)
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} while (handle->retries > 0);
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/* Transmission finished (but can be unsuccessful) */
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handle->transmitLength = 0;
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} else {
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debugstr("Nothing to send"); debugcrlf();
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}
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debugstr("We're done sending"); debugcrlf();
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PT_END(pt);
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}
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@ -1246,7 +1246,7 @@ bool ENC_GetReceivedFrame(ENC_HandleTypeDef *handle)
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* and wrap to the beginning of the read buffer as necessary)
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*/
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ENC_ReadBuffer(rsv, 6);
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enc_rdbuffer(rsv, 6);
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/* Decode the new next packet pointer, and the RSV. The
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* RSV is encoded as:
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@ -1285,7 +1285,7 @@ bool ENC_GetReceivedFrame(ENC_HandleTypeDef *handle)
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* end_rdbuffer (above).
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*/
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ENC_ReadBuffer(handle->RxFrameInfos.buffer, handle->RxFrameInfos.length);
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enc_rdbuffer(handle->RxFrameInfos.buffer, handle->RxFrameInfos.length);
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}
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}
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@ -686,7 +686,6 @@ int8_t ENC_RestoreTXBuffer(ENC_HandleTypeDef *handle, uint16_t len);
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****************************************************************************/
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void ENC_WriteBuffer(void *buffer, uint16_t buflen);
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uint8_t ENC_ReadBuffer(void *buffer, uint16_t buflen);
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/****************************************************************************
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* Function: ENC_Transmit
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@ -12,7 +12,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -12,7 +12,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -15,7 +15,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -17,7 +17,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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@ -15,7 +15,7 @@ void fb_init()
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mbox[2] = MBOX_TAG_SETPHYWH; // Tag identifier
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mbox[3] = 8; // Value size in bytes
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mbox[4] = 8; // Value size in bytes (again!)
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mbox[4] = 0;
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mbox[5] = 1920; // Value(width)
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mbox[6] = 1080; // Value(height)
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