forked from PAWPAW-Mirror/lib_xua
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
#include "devicedefines.h"
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#ifdef DFU
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#include <xs1.h>
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#include <xclib.h>
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#include <flashlib.h>
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#include <print.h>
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#define settw(a,b) {__asm__ __volatile__("settw res[%0], %1": : "r" (a) , "r" (b));}
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#define setc(a,b) {__asm__ __volatile__("setc res[%0], %1": : "r" (a) , "r" (b));}
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#define setclk(a,b) {__asm__ __volatile__("setclk res[%0], %1": : "r" (a) , "r" (b));}
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#define portin(a,b) {__asm__ __volatile__("in %0, res[%1]": "=r" (b) : "r" (a));}
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#define portout(a,b) {__asm__ __volatile__("out res[%0], %1": : "r" (a) , "r" (b));}
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#ifdef DFU_FLASH_DEVICE
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#warning Using custom flash spec
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fl_DeviceSpec flash_devices[] = {DFU_FLASH_DEVICE};
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#endif
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fl_PortHolderStruct p_flash =
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{
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XS1_PORT_1A,
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XS1_PORT_1B,
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XS1_PORT_1C,
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XS1_PORT_1D,
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XS1_CLKBLK_1
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};
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int flash_cmd_enable_ports()
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{
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int result = 0;
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setc(p_flash.spiMISO, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiCLK, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiMOSI, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiSS, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiClkblk, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiMISO, XS1_SETC_INUSE_ON);
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setc(p_flash.spiCLK, XS1_SETC_INUSE_ON);
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setc(p_flash.spiMOSI, XS1_SETC_INUSE_ON);
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setc(p_flash.spiSS, XS1_SETC_INUSE_ON);
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setc(p_flash.spiClkblk, XS1_SETC_INUSE_ON);
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setc(p_flash.spiClkblk, XS1_SETC_INUSE_ON);
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setclk(p_flash.spiMISO, XS1_CLKBLK_REF);
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setclk(p_flash.spiCLK, XS1_CLKBLK_REF);
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setclk(p_flash.spiMOSI, XS1_CLKBLK_REF);
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setclk(p_flash.spiSS, XS1_CLKBLK_REF);
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setc(p_flash.spiMISO, XS1_SETC_BUF_BUFFERS);
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setc(p_flash.spiMOSI, XS1_SETC_BUF_BUFFERS);
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settw(p_flash.spiMISO, 8);
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settw(p_flash.spiMOSI, 8);
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#ifdef DFU_FLASH_DEVICE
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result = fl_connectToDevice(&p_flash, flash_devices, 1);
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#else
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/* Use default flash list */
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result = fl_connect(&p_flash);
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#endif
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if (!result)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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int flash_cmd_disable_ports()
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{
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fl_disconnect();
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setc(p_flash.spiMISO, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiCLK, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiMOSI, XS1_SETC_INUSE_OFF);
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setc(p_flash.spiSS, XS1_SETC_INUSE_OFF);
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return 1;
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}
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#endif
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