Mirrors/cartreader
2
0
Fork 0
mirror of https://github.com/sanni/cartreader.git synced 2024-11-13 08:25:05 +01:00
Code Issues Projects Releases Wiki Activity

Change HW4 to use WS ADAPTER V2

Browse Source
This commit is contained in:
splash5 2022-02-26 22:00:31 +08:00
parent 3116321b36
commit 9732c4a9dc
2 changed files with 15 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
Cart_Reader/WS.ino
View File

@ -25,6 +25,12 @@
#include "options.h"
#ifdef enable_WS
#ifdef ws_adapter_v2
#define WS_CLK_BIT 5 // USE PE5 as CLK
#else
#define WS_CLK_BIT 3 // USE PE3 as CLK
#endif
/******************************************
Menu
*****************************************/
@ -61,8 +67,8 @@ void setup_WS()
PORTH |= ((1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
// CLK outputs LOW
DDRE |= (1 << 3);
PORTE &= ~(1 << 3);
DDRE |= (1 << WS_CLK_BIT);
PORTE &= ~(1 << WS_CLK_BIT);
// IO? as input with internal pull-up enabled
DDRE &= ~(1 << 4);
@ -1214,10 +1220,10 @@ void generateEepromInstruction_WS(uint8_t *instruction, uint8_t opcode, uint16_t
boolean unlockMMC2003_WS()
{
// initialize all control pin state
// RST(PH0) and CLK(PE3) to LOW
// RST(PH0) and CLK(PE3or5) to LOW
// CART(PH3) MMC(PH4) WE(PH5) OE(PH6) to HIGH
PORTH &= ~(1 << 0);
PORTE &= ~(1 << 3);
PORTE &= ~(1 << WS_CLK_BIT);
PORTH |= ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
// switch RST(PH0) to HIGH
@ -1256,7 +1262,7 @@ boolean unlockMMC2003_WS()
return false;
}
// doing a L->H on CLK(PE3) pin
// doing a L->H on CLK pin
void pulseCLK_WS(uint8_t count)
{
register uint8_t tic;
@ -1267,12 +1273,12 @@ void pulseCLK_WS(uint8_t count)
"cpi %[count], 0\n\t"
"breq L3_%=\n\t"
"dec %[count]\n\t"
"cbi %[porte], 3\n\t"
"cbi %[porte], %[ws_clk_bit]\n\t"
"ldi %[tic], 6\n\t"
"L1_%=:\n\t"
"dec %[tic]\n\t"
"brne L1_%=\n\t"
"sbi %[porte], 3\n\t"
"sbi %[porte], %[ws_clk_bit]\n\t"
"ldi %[tic], 5\n\t"
"L2_%=:\n\t"
"dec %[tic]\n\t"
@ -1280,7 +1286,7 @@ void pulseCLK_WS(uint8_t count)
"rjmp L0_%=\n\t"
"L3_%=:\n\t"
: [tic] "=a" (tic)
: [count] "a" (count), [porte] "I" (_SFR_IO_ADDR(PORTE))
: [count] "a" (count), [porte] "I" (_SFR_IO_ADDR(PORTE)), [ws_clk_bit] "I" (WS_CLK_BIT)
);
}

1
Cart_Reader/options.h
View File

@ -24,6 +24,7 @@
#define enable_rotary
#define clockgen_installed
#define fastcrc
#define ws_adapter_v2
#endif
#if (defined(HW2) || defined(HW3))