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prepare commands

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This commit is contained in:
optixx 2009-09-23 23:26:10 +02:00
parent ab3f7704f0
commit b092b3e182
3 changed files with 62 additions and 9 deletions
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1
avr/usbload/irq.c
View File

@ -60,7 +60,6 @@ void leave_application(void)
} }
ISR (SIG_PIN_CHANGE3) ISR (SIG_PIN_CHANGE3)
{ {
if (snes_reset_test()){ if (snes_reset_test()){

12
avr/usbload/main.c
View File

@ -248,13 +248,12 @@ int main(void)
uart_init(); uart_init();
stdout = &uart_stdout; stdout = &uart_stdout;
banner(); banner();
shared_memory_init();
system_init();
sram_init(); sram_init();
pwm_init(); pwm_init();
shared_memory_init();
snes_reset_hi();
snes_reset_off();
irq_init(); irq_init();
boot_startup_rom(50); boot_startup_rom(50);
globals_init(); globals_init();
@ -262,14 +261,14 @@ int main(void)
usbInit(); usbInit();
usb_connect(); usb_connect();
sei();
while (1) { while (1) {
avr_bus_active(); avr_bus_active();
info_P(PSTR("Activate AVR bus\n")); info_P(PSTR("Activate AVR bus\n"));
snes_lorom(); //snes_lorom();
info_P(PSTR("Disable SNES WR\n")); info_P(PSTR("Disable SNES WR\n"));
snes_wr_disable(); snes_wr_disable();
sei();
info_P(PSTR("USB poll\n")); info_P(PSTR("USB poll\n"));
while (usb_trans.req_state != REQ_STATUS_SNES) { while (usb_trans.req_state != REQ_STATUS_SNES) {
usbPoll(); usbPoll();
@ -277,7 +276,6 @@ int main(void)
} }
#if DO_SHM #if DO_SHM
shared_memory_write(SHARED_MEM_TX_CMD_TERMINATE, 0); shared_memory_write(SHARED_MEM_TX_CMD_TERMINATE, 0);
#endif #endif

56
avr/usbload/system.c
View File

@ -23,6 +23,8 @@
#include <stdint.h> #include <stdint.h>
#include <avr/io.h> #include <avr/io.h>
#include <util/delay.h> /* for _delay_ms() */ #include <util/delay.h> /* for _delay_ms() */
#include <avr/interrupt.h>
#include "config.h" #include "config.h"
#include "sram.h" #include "sram.h"
@ -30,10 +32,64 @@
#include "uart.h" #include "uart.h"
#include "debug.h" #include "debug.h"
#include "info.h" #include "info.h"
#include "requests.h"
void system_init(void) void system_init(void)
{ {
snes_reset_hi();
snes_reset_off();
snes_irq_hi();
snes_irq_off();
} }
void system_reset()
{
info_P(PSTR("Reset SNES\n"));
cli();
snes_reset_on();
snes_reset_lo();
_delay_ms(2);
snes_reset_hi();
snes_reset_off();
sei();
}
void system_send_irq()
{
snes_irq_on();
snes_irq_lo();
_delay_us(20);
snes_irq_hi();
snes_irq_off();
}
void system_bus_avr()
{
info_P(PSTR("Activate AVR bus\n"));
avr_bus_active();
info_P(PSTR("Disable SNES WR\n"));
snes_wr_disable();
}
void system_bus_snes()
{
snes_wr_disable();
info_P(PSTR("Disable SNES WR\n"));
snes_bus_active();
info_P(PSTR("Activate SNES bus\n"));
irq_stop();
}
void system_rom_mode(usb_transaction_t *usb_trans)
{
if (usb_trans->req_bank_size == 0x8000) {
snes_lorom();
info_P(PSTR("Set SNES lowrom \n"));
} else {
snes_hirom();
info_P(PSTR("Set SNES hirom \n"));
}
}