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49 lines
750 B
C
49 lines
750 B
C
#include "p_i2c.h"
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#include "hal_i2c_m_sync.h"
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#include "p_usart.h"
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void p_i2c_init(void)
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{
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i2c_m_sync_enable(&I2C_0);
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}
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int p_i2c_write(const uint8_t* const data, uint16_t data_len)
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{
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return io_write(&I2C_0.io, data, data_len);
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}
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int p_i2c_read(uint8_t* data, uint16_t len)
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{
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return io_read(&I2C_0.io, data, len);
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}
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void p_i2c_scan(void)
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{
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PDEBUG(" ");
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for(int ind = 0; ind < 16; ind++)
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{
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PDEBUG(" %02x", ind);
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}
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uint8_t data = 0x00;
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for(int ind = 0; ind <= 119; ind++)
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{
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if (ind % 16 == 0)
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{
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PDEBUG("\r\n%02x:", ind & 0xF0);
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}
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i2c_m_sync_set_slaveaddr(&I2C_0, ind, I2C_M_SEVEN);
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int ret = p_i2c_write(&data, 1);
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if(ret != 1)
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{
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PDEBUG(" --");
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}
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else
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{
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PDEBUG(" %02x", ind);
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}
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}
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PDEBUG("\r\n");
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}
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