psp.c 6.2 KB

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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <stdarg.h>
  4. #include <string.h>
  5. #include <pspkernel.h>
  6. #include <pspiofilemgr.h>
  7. #include <pspdisplay.h>
  8. #include <psppower.h>
  9. #include <psprtc.h>
  10. #include <pspgu.h>
  11. #include "psp.h"
  12. #include "emu.h"
  13. #include "../common/lprintf.h"
  14. PSP_MODULE_INFO("PicoDrive", 0, 1, 34);
  15. PSP_HEAP_SIZE_MAX();
  16. unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
  17. void *psp_screen = VRAM_FB0;
  18. static int current_screen = 0; /* front bufer */
  19. static SceUID main_thread_id = -1;
  20. #define ANALOG_DEADZONE 80
  21. /* Exit callback */
  22. static int exit_callback(int arg1, int arg2, void *common)
  23. {
  24. sceKernelExitGame();
  25. return 0;
  26. }
  27. /* Power Callback */
  28. static int power_callback(int unknown, int pwrflags, void *common)
  29. {
  30. /* check for power switch and suspending as one is manual and the other automatic */
  31. if (pwrflags & PSP_POWER_CB_POWER_SWITCH || pwrflags & PSP_POWER_CB_SUSPENDING)
  32. {
  33. lprintf("power_callback: flags: 0x%08X: suspending\n", pwrflags);
  34. engineState = PGS_Menu;
  35. }
  36. sceDisplayWaitVblankStart();
  37. return 0;
  38. }
  39. /* Callback thread */
  40. static int callback_thread(SceSize args, void *argp)
  41. {
  42. int cbid;
  43. lprintf("callback_thread started with id %08x, priority %i\n",
  44. sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
  45. cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
  46. sceKernelRegisterExitCallback(cbid);
  47. cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
  48. scePowerRegisterCallback(0, cbid);
  49. sceKernelSleepThreadCB();
  50. return 0;
  51. }
  52. void psp_init(void)
  53. {
  54. SceUID thid;
  55. main_thread_id = sceKernelGetThreadId();
  56. lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
  57. lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
  58. sceKernelGetThreadCurrentPriority());
  59. thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, 0);
  60. if (thid >= 0)
  61. {
  62. sceKernelStartThread(thid, 0, 0);
  63. }
  64. /* video */
  65. sceDisplaySetMode(0, 480, 272);
  66. sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
  67. current_screen = 1;
  68. psp_screen = VRAM_FB0;
  69. /* gu */
  70. sceGuInit();
  71. sceGuStart(GU_DIRECT, guCmdList);
  72. sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
  73. sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
  74. sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
  75. sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
  76. sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
  77. sceGuViewport(2048, 2048, 480, 272);
  78. sceGuDepthRange(0xc350, 0x2710);
  79. sceGuScissor(0, 0, 480, 272);
  80. sceGuEnable(GU_SCISSOR_TEST);
  81. sceGuDepthMask(0xffff);
  82. sceGuDisable(GU_DEPTH_TEST);
  83. sceGuFrontFace(GU_CW);
  84. sceGuEnable(GU_TEXTURE_2D);
  85. sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
  86. sceGuAmbientColor(0xffffffff);
  87. sceGuColor(0xffffffff);
  88. sceGuFinish();
  89. sceGuSync(0, 0);
  90. sceDisplayWaitVblankStart();
  91. sceGuDisplay(GU_TRUE);
  92. /* input */
  93. sceCtrlSetSamplingCycle(0);
  94. sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
  95. }
  96. void psp_finish(void)
  97. {
  98. sceGuTerm();
  99. //sceKernelSleepThread();
  100. sceKernelExitGame();
  101. }
  102. void psp_video_flip(int wait_vsync)
  103. {
  104. if (wait_vsync) sceDisplayWaitVblankStart();
  105. sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
  106. wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
  107. current_screen ^= 1;
  108. psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
  109. }
  110. void *psp_video_get_active_fb(void)
  111. {
  112. return current_screen ? VRAM_FB1 : VRAM_FB0;
  113. }
  114. void psp_video_switch_to_single(void)
  115. {
  116. psp_screen = VRAM_FB0;
  117. sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
  118. current_screen = 0;
  119. }
  120. void psp_msleep(int ms)
  121. {
  122. sceKernelDelayThread(ms * 1000);
  123. }
  124. unsigned int psp_pad_read(int blocking)
  125. {
  126. unsigned int buttons;
  127. SceCtrlData pad;
  128. if (blocking)
  129. sceCtrlReadBufferPositive(&pad, 1);
  130. else sceCtrlPeekBufferPositive(&pad, 1);
  131. buttons = pad.Buttons;
  132. // analog..
  133. buttons &= ~(BTN_NUB_UP|BTN_NUB_DOWN|BTN_NUB_LEFT|BTN_NUB_RIGHT);
  134. if (pad.Lx < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_LEFT;
  135. if (pad.Lx > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_RIGHT;
  136. if (pad.Ly < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_UP;
  137. if (pad.Ly > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_DOWN;
  138. return buttons;
  139. }
  140. int psp_get_cpu_clock(void)
  141. {
  142. return scePowerGetCpuClockFrequencyInt();
  143. }
  144. int psp_set_cpu_clock(int clock)
  145. {
  146. int ret = scePowerSetClockFrequency(clock, clock, clock/2);
  147. if (ret != 0) lprintf("failed to set clock: %i\n", ret);
  148. return ret;
  149. }
  150. char *psp_get_status_line(void)
  151. {
  152. static char buff[64];
  153. int ret, bat_percent, bat_time;
  154. pspTime time;
  155. ret = sceRtcGetCurrentClockLocalTime(&time);
  156. bat_percent = scePowerGetBatteryLifePercent();
  157. bat_time = scePowerGetBatteryLifeTime();
  158. if (ret < 0 || bat_percent < 0 || bat_time < 0) return NULL;
  159. snprintf(buff, sizeof(buff), "%02i:%02i bat: %3i%%", time.hour, time.minutes, bat_percent);
  160. if (!scePowerIsPowerOnline())
  161. snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
  162. return buff;
  163. }
  164. /* alt logging */
  165. #define LOG_FILE "log.txt"
  166. typedef struct _log_entry
  167. {
  168. char buff[256];
  169. struct _log_entry *next;
  170. } log_entry;
  171. static log_entry *le_root = NULL;
  172. void lprintf_f(const char *fmt, ...)
  173. {
  174. va_list vl;
  175. #ifdef LPRINTF_STDIO
  176. va_start(vl, fmt);
  177. vprintf(fmt, vl);
  178. va_end(vl);
  179. #else
  180. static SceUID logfd = -1;
  181. char buff[256];
  182. log_entry *le, *le1;
  183. if (logfd == -2) return; // disabled
  184. va_start(vl, fmt);
  185. vsnprintf(buff, sizeof(buff), fmt, vl);
  186. va_end(vl);
  187. // note: this is still unsafe code
  188. if (main_thread_id != sceKernelGetThreadId())
  189. {
  190. le = malloc(sizeof(*le));
  191. if (le == NULL) return;
  192. le->next = NULL;
  193. strcpy(le->buff, buff);
  194. if (le_root == NULL) le_root = le;
  195. else {
  196. for (le1 = le_root; le1->next != NULL; le1 = le1->next);
  197. le1->next = le;
  198. }
  199. return;
  200. }
  201. logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY|PSP_O_APPEND, 0777);
  202. if (logfd < 0) {
  203. logfd = -2;
  204. return;
  205. }
  206. if (le_root != NULL)
  207. {
  208. le1 = le_root;
  209. le_root = NULL;
  210. sceKernelDelayThread(1000);
  211. while (le1 != NULL) {
  212. le = le1;
  213. le1 = le->next;
  214. sceIoWrite(logfd, le->buff, strlen(le->buff));
  215. free(le);
  216. }
  217. }
  218. sceIoWrite(logfd, buff, strlen(buff));
  219. // make sure it gets flushed
  220. sceIoClose(logfd);
  221. logfd = -1;
  222. #endif
  223. }