Firebee/BaS_gcc
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merged SD_CARD branch

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This commit is contained in:
Markus Fröschle
2012-12-15 18:25:15 +00:00
parent 499c6af355
commit 68194329d2
52 changed files with 36751 additions and 9872 deletions
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107
sources/BaS.c
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@@ -31,11 +31,12 @@
#include "bas_types.h"
#include "sd_card.h"
#include <wait.h>
#include <diskio.h>
#include <ff.h>
/* imported routines */
extern int mmu_init();
extern int vec_init();
extern int illegal_table_make();
/* Symbols from the linker script */
extern uint8_t _STRAM_END[];
@@ -52,7 +53,7 @@ extern uint8_t _EMUTOS_SIZE[];
/*
* check if it is possible to transfer data to PIC
*/
static inline bool pic_txready(void)
static inline uint32_t pic_txready(void)
{
if (MCF_PSC3_PSCSR & MCF_PSC_PSCSR_TXRDY)
return TRUE;
@@ -63,7 +64,7 @@ static inline bool pic_txready(void)
/*
* check if it is possible to receive data from PIC
*/
static inline bool pic_rxready(void)
static inline uint32_t pic_rxready(void)
{
if (MCF_PSC3_PSCSR & MCF_PSC_PSCSR_RXRDY)
return TRUE;
@@ -145,25 +146,83 @@ void nvram_init(void)
xprintf("finished\r\n");
}
/********************************************************************/
void enable_coldfire_interrupts()
{
xprintf("enable interrupts: ");
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
MCF_GPT_GMS_IEN |
MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f;
* (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
xprintf("finished\r\n");
}
void disable_coldfire_interrupts()
{
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
}
void BaS(void)
{
int az_sectors;
uint8_t *src;
uint8_t *dst = (uint8_t *)TOS;
uint32_t *adr;
az_sectors = spi_init();
if (az_sectors > 0)
{
sd_card_idle();
}
DRESULT res;
FATFS fs;
FRESULT fres;
pic_init();
nvram_init();
disk_initialize(0);
res = disk_status(0);
xprintf("disk status of SD card is %d\r\n", res);
if (res == RES_OK)
{
fres = f_mount(0, &fs);
xprintf("mount status of SD card fs is %d\r\n", fres);
if (fres == FR_OK)
{
DIR directory;
FIL file;
fres = f_opendir(&directory, "\\");
if (fres == FR_OK)
{
FILINFO fi;
while (((fres = f_readdir(&directory, &fi)) == FR_OK) && fi.fname[0])
{
xprintf("%13.13s %d\r\n", fi.fname, fi.fsize);
}
}
else
{
xprintf("could not open directory \"\\\" on SD-card! Error code: %d\r\n", fres);
}
fres = f_open(&file, "WELCOME.MSG", FA_READ);
if (fres == FR_OK)
{
char line[128];
while (f_gets(line, sizeof(line), &file))
{
xprintf("%s", line);
}
}
f_close(&file);
}
f_mount(0, 0L); /* release work area */
}
xprintf("copy EmuTOS: ");
/* copy EMUTOS */
@@ -184,28 +243,11 @@ void BaS(void)
xprintf("initialize exception vector table: ");
vec_init();
illegal_table_make();
xprintf("finished\r\n");
/* interrupts */
xprintf("enable interrupts: ");
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
MCF_GPT_GMS_IEN |
MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f;
* (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
enable_coldfire_interrupts();
MCF_MMU_MMUCR = MCF_MMU_MMUCR_EN; /* MMU on */
xprintf("finished\r\n");
xprintf("IDE reset: ");
/* IDE reset */
@@ -216,7 +258,6 @@ void BaS(void)
* (volatile uint8_t *) (0xffff8802 - 0) = 0;
xprintf("finished\r\n");
xprintf("enable video: ");
/*
* video setup (25MHz)