Kevin
a83ea3324f
these payloads may not work , i have no clue honestly i attached them , also there are 2 helper py scripts that might work with some of these payloads
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
#define GPIO_BASE 0x6000d000
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#define SCL_BIT (1 << 3)
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#define SDA_BIT (1 << 2)
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#define GPIO_P_OFFSET 0x400
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void delay() {
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for (volatile int i = 0; i < 500; i++)
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;
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}
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void i2c_start() {
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x18) =
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SDA_BIT; // SDA High
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x18) =
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SCL_BIT; // SCL High
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delay();
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x18) &=
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~SDA_BIT; // SDA Low
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delay();
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x18) &=
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~SCL_BIT; // SCL Low
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}
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void _start() {
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*(volatile unsigned int *)(0x60006010) |= (1 << 8);
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x10) =
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(SCL_BIT | SDA_BIT);
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*(volatile unsigned int *)(GPIO_BASE + GPIO_P_OFFSET + 0x14) =
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(SCL_BIT | SDA_BIT);
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i2c_start();
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*(volatile unsigned int *)(GPIO_BASE + 0x500 + 0x14) = 0x01;
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while (1) {
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*(volatile unsigned int *)(GPIO_BASE + 0x500 + 0x18) ^= 0x01; // Toggle TX
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for (volatile int i = 0; i < 10000; i++)
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;
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}
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}
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