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https://github.com/fail0verflow/mini.git
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gpio_delay -> seeprom_delay
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parent
4d1a048d42
commit
4c4148aa5b
17
seeprom.c
17
seeprom.c
@ -4,8 +4,7 @@
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#include "start.h"
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#include "gpio.h"
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#define gpio_delay() udelay(100)
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#define eeprom_delay() udelay(5)
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void send_bits(int b, int bits)
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{
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@ -15,11 +14,11 @@ void send_bits(int b, int bits)
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set32(HW_GPIO1OUT, GP_EEP_MOSI);
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else
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clear32(HW_GPIO1OUT, GP_EEP_MOSI);
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gpio_delay();
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eeprom_delay();
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set32(HW_GPIO1OUT, GP_EEP_CLK);
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gpio_delay();
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eeprom_delay();
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clear32(HW_GPIO1OUT, GP_EEP_CLK);
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gpio_delay();
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eeprom_delay();
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}
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}
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@ -30,9 +29,9 @@ int recv_bits(int bits)
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{
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res <<= 1;
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set32(HW_GPIO1OUT, GP_EEP_CLK);
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gpio_delay();
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eeprom_delay();
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clear32(HW_GPIO1OUT, GP_EEP_CLK);
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gpio_delay();
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eeprom_delay();
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res |= !!(read32(HW_GPIO1IN) & GP_EEP_MISO);
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}
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return res;
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@ -49,7 +48,7 @@ int seeprom_read(void *dst, int offset, int size)
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clear32(HW_GPIO1OUT, GP_EEP_CLK);
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clear32(HW_GPIO1OUT, GP_EEP_CS);
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gpio_delay();
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eeprom_delay();
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for(i = 0; i < size; ++i)
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{
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@ -58,7 +57,7 @@ int seeprom_read(void *dst, int offset, int size)
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recv = recv_bits(16);
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*ptr++ = recv;
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clear32(HW_GPIO1OUT, GP_EEP_CS);
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gpio_delay();
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eeprom_delay();
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}
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return size;
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