void UART0_initTxPolling()
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0_TI = 1;
RESTORE_PAGE;
}
void UART0_write(uint8_t value)
{
DECL_PAGE;
SET_PAGE(0x00);
SBUF0 = value;
RESTORE_PAGE;
}
void UART0_initStdio()
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0 |= SCON0_REN__RECEIVE_ENABLED | SCON0_TI__SET;
RESTORE_PAGE;
}
void UART0_clearIntFlag(uint8_t flag)
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0 &= ~(flag);
RESTORE_PAGE;
}
void UART0_writeWithExtraBit(uint16_t value)
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0_TB8 = value >> 8;
SBUF0 = value;
RESTORE_PAGE;
}
uint16_t UART0_readWithExtraBit(void)
{
uint16_t val;
DECL_PAGE;
SET_PAGE(0x00);
val = (SBUF0 | ((SCON0 & SCON0_RB8__BMASK) << 6) );
RESTORE_PAGE;
return val;
}
uint8_t UART0_read(void)
{
uint8_t val;
DECL_PAGE;
SET_PAGE(0x00);
val = SBUF0;
RESTORE_PAGE;
return val;
}
uint8_t UART0_getIntFlags()
{
uint8_t val;
DECL_PAGE;
SET_PAGE(0x00);
val = SCON0 & (UART0_TX_IF | UART0_RX_IF);
RESTORE_PAGE;
return val;
}
char putchar(char c){
DECL_PAGE;
SET_PAGE(0x00);
while(!SCON0_TI);
SBUF0 = c;
SCON0_TI = 0;
RESTORE_PAGE;
return c;
}
void UART0_init(UART0_RxEnable_t rxen, UART0_Width_t width, UART0_Multiproc_t mce)
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0 &= ~(SCON0_SMODE__BMASK
| SCON0_MCE__BMASK
| SCON0_REN__BMASK);
SCON0 = mce | rxen | width;
RESTORE_PAGE;
}
char _getkey(){
char val;
DECL_PAGE;
SET_PAGE(0x00);
while(!SCON0_RI);
SCON0_RI = 0;
val = SBUF0;
RESTORE_PAGE;
return val;
}
void UART0_reset()
{
DECL_PAGE;
SET_PAGE(0x00);
SCON0 = SCON0_SMODE__8_BIT
| SCON0_MCE__MULTI_DISABLED
| SCON0_REN__RECEIVE_DISABLED
| SCON0_TB8__NOT_SET
| SCON0_RB8__NOT_SET
| SCON0_TI__NOT_SET
| SCON0_RI__NOT_SET;
RESTORE_PAGE;
}
void UART0_writeBuffer(SI_VARIABLE_SEGMENT_POINTER(buffer,
uint8_t,
EFM8PDL_UART0_TX_BUFTYPE),
uint8_t length)
{
DECL_PAGE;
SET_PAGE(0x00);
//Init internal data
txBuffer = buffer+1;
txRemaining = length-1;
//Send initial byte
SBUF0 = *buffer;
RESTORE_PAGE;
}
// Save captured track
uint8_t sdc_save_track(void)
{
FRESULT res;
BYTE page, i, r = SDCS_OK;
UINT bw, tbw;
long bytesleft, trklen_old, addr;
// fill header struct
FDR_HDR.sig[0] = 'F';
FDR_HDR.sig[1] = 'D';
FDR_HDR.sig[2] = 'R';
FDR_HDR.sig[3] = '0';
FDR_HDR.smprate = smp_rates[FDR_INFO.smprate];
FDR_HDR.track = FDR_INFO.track;
FDR_HDR.side = FDR_INFO.side;
FDR_HDR.revs = FDR_INFO.revs;
// fill trklens
// hack: DMA puts data by words but lengths are snapshoted in bytes.
// we have to correct total length to an even value.
if(FDR_INFO.trklen[FDR_INFO.revs-1] == FDR_INFO.trklen[FDR_INFO.revs])
{
// no data in tail - correct also last rev length
FDR_INFO.trklen[FDR_INFO.revs-1] &= ~1;
}
FDR_INFO.trklen[FDR_INFO.revs] &= ~1;
trklen_old = 0;
for(i=0; i<=FDR_INFO.revs; i++) //revs+1 for tail
{
addr = FDR_INFO.trklen[i];
// hack: if the whole buffer was filled with the data,
// trimmed to 0x00000 address was returned, so fix it.
if(addr==0) addr=0x80000;
trklen[i] = addr - trklen_old;
trklen_old = addr;
}
bytesleft = FDR_INFO.trklen[FDR_INFO.revs];
// hack: if the whole buffer was filled with the data,
// trimmed to 0x00000 address was returned, so fix it.
if(bytesleft==0) bytesleft=0x80000;
// open file
if (!FDR_INFO.single_file)
{
res=open_file();
if (res==FR_EXIST)
return SDCS_EXIST;
else if (res!=FR_OK)
return SDCS_OPEN_ERR;
}
// write header
res=f_write(&fd, &FDR_HDR, sizeof(FDR_HDR), &bw);
if (res!=FR_OK)
{
r = SDCS_WRITE_ERR;
goto exit;
}
res=f_write(&fd, trklen, sizeof(trklen[0])*(FDR_INFO.revs+1), &bw);
if (res!=FR_OK)
{
r = SDCS_WRITE_ERR;
goto exit;
}
// save data
page=DATA_START_PAGE;
while(bytesleft)
{
if (bytesleft > PAGE_SIZE)
tbw = PAGE_SIZE;
else
tbw = bytesleft;
SET_PAGE(page);
res=f_write(&fd, PAGE_START, tbw, &bw);
if (res!=FR_OK || bw!=tbw)
{
r = SDCS_WRITE_ERR;
break;
}
// exit at break
if(is_break_pressed())
{
r = SDCS_BREAK;
break;
}
page++;
bytesleft -= tbw;
fdd_keep_alive(); // keep motor on
}
exit:
// close file
if (!FDR_INFO.single_file)
f_close(&fd);
// restore default page
SET_PAGE(PAGE_DEFAULT);
return r;
}