FreeCalypso > hg > fc-magnetite
view src/gpf2/osl/os_isr.c @ 632:d968a3216ba0
new tangomdm build target
TCS211/Magnetite built for target leonardo runs just fine on the Tango-based
Caramel board, but a more proper tangomdm build target is preferable in order
to better market these Tango modems to prospective commercial customers. The
only differences are in GPIO and MCSI config:
* MCSI is enabled in the tangomdm build config.
* GPIO 1 is loudspeaker amplifier control on Leonardo, but on Tango platforms
it can be used for anything. On Caramel boards this GPIO should be
configured as an output driving high.
* GPIO 2 needs to be configured as Calypso input on Leonardo, but on Tango
platforms it can be used for anything. On Caramel boards this GPIO should be
configured as an output, either high or low is OK.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 04 Jan 2020 19:27:41 +0000 |
parents | 10c059efb3d1 |
children |
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/* * This C module is a reconstruction based on the disassembly of * os_isr.obj in frame_na7_db_fl.lib from the Leonardo package. */ /* set of included headers from COFF symtab: */ #include <string.h> #include "nucleus.h" #include "typedefs.h" #include "os.h" #include "gdi.h" #include "os_types.h" #include "os_glob.h" typedef unsigned char u_char; extern T_OS_OSISR_TABLE_ENTRY OSISRTable[]; extern OS_HANDLE os_int_pool_handle; GLOBAL LONG os_isr_init(void) { USHORT i; for (i = 1; i <= MaxOSISRs; i++) OSISRTable[i].name[0] = 0; return(OS_OK); } GLOBAL LONG os_SetInterruptState(OS_INT_STATE new_state, OS_INT_STATE *old_state) { INT state; if (new_state) state = NU_ENABLE_INTERRUPTS; else state = NU_DISABLE_INTERRUPTS; state = NU_Control_Interrupts(state); if (state & 0xFF) *old_state = 0; else *old_state = 1; return(OS_OK); } GLOBAL LONG os_EnableInterrupts(OS_INT_STATE *old_state) { INT state; state = NU_Control_Interrupts(NU_ENABLE_INTERRUPTS); if (state & 0xFF) *old_state = 0; else *old_state = 1; return(OS_OK); } GLOBAL LONG os_DisableInterrupts(OS_INT_STATE *old_state) { INT state; state = NU_Control_Interrupts(NU_DISABLE_INTERRUPTS); if (state & 0xFF) *old_state = 0; else *old_state = 1; return(OS_OK); } GLOBAL LONG os_DeleteOSISR(OS_HANDLE hisr_handle) { OS_INT_STATE old_state, state; if (hisr_handle <= 0 || hisr_handle > MaxOSISRs) return(OS_ERROR); if (OSISRTable[hisr_handle].hisr_cb.tc_activation_count) return(OS_ERROR); os_DisableInterrupts(&old_state); if (os_DeallocateMemory(os_MyHandle(), OSISRTable[hisr_handle].stack) == OS_ERROR) { error: os_SetInterruptState(old_state, &state); return(OS_ERROR); } if (NU_Delete_HISR(&OSISRTable[hisr_handle].hisr_cb) != NU_SUCCESS) goto error; OSISRTable[hisr_handle].name[0] = 0; os_SetInterruptState(old_state, &state); return(OS_OK); } GLOBAL LONG os_CreateOSISR(char *name, void (*OSISR_entry)(void), int stacksize, int priority, int flags, OS_HANDLE *hisr_handle) { OS_HANDLE handle; T_VOID_STRUCT *hisr_stack; OS_INT_STATE old_state, state; if (priority < 0 || priority > 2) return(OS_ERROR); priority = 2 - priority; os_DisableInterrupts(&old_state); for (handle = 1; handle <= MaxOSISRs; handle++) if (!strncmp(OSISRTable[handle].name, name, RESOURCE_NAMELEN - 1)) { error: os_SetInterruptState(old_state, &state); return(OS_ERROR); } for (handle = 1; handle <= MaxOSISRs; handle++) if (!OSISRTable[handle].name[0]) break; if (handle > MaxOSISRs) goto error; if (os_AllocateMemory(os_MyHandle(), &hisr_stack, stacksize, 0xFFFFFFFF, os_int_pool_handle) == OS_ERROR) goto error; memset((u_char *)hisr_stack, INITIAL_STACK_VALUE, stacksize); *hisr_stack = GUARD_PATTERN; if (NU_Create_HISR(&OSISRTable[handle].hisr_cb, name, OSISR_entry, priority, (VOID *)hisr_stack, stacksize) != NU_SUCCESS) goto error; strncpy(OSISRTable[handle].name, name, RESOURCE_NAMELEN); OSISRTable[handle].name[RESOURCE_NAMELEN-1] = 0; OSISRTable[handle].stack = hisr_stack; *hisr_handle = handle; os_SetInterruptState(old_state, &state); return(OS_OK); } GLOBAL LONG os_ActivateOSISR(OS_HANDLE hisr_handle) { if (hisr_handle <= 0 || hisr_handle > MaxOSISRs) return(OS_ERROR); if (NU_Activate_HISR(&OSISRTable[hisr_handle].hisr_cb) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); }