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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1029 | chrv | 1 | #include <avr/io.h> |
| 2 | #include <util/delay.h> |
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| 3 | |||
| 4 | #include "pins.h" |
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| 5 | #include "mytypes.h" |
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| 6 | |||
| 7 | #include "main.h" |
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| 8 | #include "atx.h" |
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| 9 | #include "rs232.h" |
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| 10 | #include "zx.h" |
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| 11 | |||
| 12 | //if want Log than comment next string |
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| 13 | #undef LOGENABLE |
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| 14 | |||
| 15 | volatile UWORD atx_counter; |
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| 16 | |||
| 17 | void wait_for_atx_power(void) |
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| 18 | { |
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| 19 | UBYTE j = MCUCSR; |
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| 20 | |||
| 21 | //clear status register |
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| 22 | MCUCSR = 0; |
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| 23 | |||
| 24 | #ifdef LOGENABLE |
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| 25 | char log_ps2keyboard_parse[] = "MC..\r\n"; |
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| 26 | log_ps2keyboard_parse[2] = ((j >> 4) <= 9 )?'0'+(j >> 4):'A'+(j >> 4)-10; |
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| 27 | log_ps2keyboard_parse[3] = ((j & 0x0F) <= 9 )?'0'+(j & 0x0F):'A'+(j & 0x0F)-10; |
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| 28 | to_log(log_ps2keyboard_parse); |
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| 29 | #endif |
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| 30 | |||
| 31 | //check power |
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| 32 | if ( (nCONFIG_PIN & (1<<nCONFIG)) == 0 ) |
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| 33 | { |
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| 34 | //if not external reset |
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| 35 | //then wait for atx power on button (SOFTRESET) |
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| 36 | if ( !(j & ((1<<JTRF)|(1<<WDRF)|(1<<BORF)|(1<<EXTRF))) || |
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| 37 | (j & (1<<PORF)) ) |
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| 38 | while( SOFTRES_PIN&(1<<SOFTRES) ); |
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| 39 | |||
| 40 | //switch on ATX power |
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| 41 | ATXPWRON_PORT |= (1<<ATXPWRON); |
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| 42 | |||
| 43 | //1 sec delay |
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| 44 | j=50; |
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| 45 | do _delay_ms(20); while(--j); |
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| 46 | } |
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| 47 | |||
| 48 | //init port F |
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| 49 | PORTF = 0b11111000; |
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| 50 | //clear counter |
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| 51 | atx_counter = 0; |
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| 52 | } |
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| 53 | |||
| 54 | void atx_power_task(void) |
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| 55 | { |
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| 56 | static UWORD last_count = 0; |
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| 57 | UBYTE j = 50; |
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| 58 | |||
| 59 | if ( atx_counter > 1700 ) |
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| 60 | { |
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| 61 | |||
| 62 | |||
| 63 | if ( ( SOFTRES_PIN & (1<<SOFTRES) ) == 0 ) |
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| 64 | { |
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| 65 | //atx power off button pressed (~5 sec) |
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| 66 | |||
| 67 | //switch off atx power |
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| 68 | ATXPWRON_PORT &= ~(1<<ATXPWRON); |
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| 69 | } |
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| 70 | else |
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| 71 | { |
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| 72 | //enable hard reset |
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| 73 | flags_register |= FLAG_HARD_RESET; |
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| 74 | } |
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| 75 | } |
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| 76 | |||
| 77 | if ( ( last_count > 0 ) && ( atx_counter == 0 ) ) |
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| 78 | { |
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| 79 | //soft reset (reset Z80 only) |
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| 80 | zx_spi_send(SPI_RST_REG, 0, 0x7F); |
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| 81 | } |
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| 82 | last_count = atx_counter; |
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| 83 | |||
| 84 | if ( ( nCONFIG_PIN & (1<<nCONFIG) ) == 0 ) |
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| 85 | { |
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| 86 | //power down |
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| 87 | |||
| 88 | //power led off (timer output disconnect from led pin) |
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| 89 | TCCR2 &= ~((1<<COM20)|(1<<COM21)); |
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| 90 | |||
| 91 | //wait for button released |
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| 92 | while ( ( SOFTRES_PIN & (1<<SOFTRES) ) == 0 ); |
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| 93 | |||
| 94 | //1 sec delay |
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| 95 | do _delay_ms(20); while(--j); |
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| 96 | |||
| 97 | last_count = 0; |
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| 98 | |||
| 99 | //enable hard reset |
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| 100 | flags_register |= FLAG_HARD_RESET; |
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| 101 | } |
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| 102 | } |