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motorcontroldemo_035/Vsrc/V_i2cMem.c

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Встроен драйвер I2C памяти
2019-08-15 18:38:50 +03:00
/*
* V_i2cMem.c
*
* Created on: 15 <EFBFBD><EFBFBD><EFBFBD>. 2019 <EFBFBD>.
* Author: Dmitry
*/
#include "main.h"
#include "V_i2cmem.h"
#define I2C_MEM_ERROR_OK 0
#define I2C_MEM_ERROR_WRITE_HW_ERR 1
#define I2C_MEM_ERROR_READ_HW_ERR 2
#define I2C_MEM_ERROR_TIMEOUT 3
TI2cMem i2cMem = I2CMEM_DEFAULTS;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Uint16 i2c_waitIdle() {
Uint32 idle = 0;
while ((I2C->ST & I2C_ST_MODE_Msk) == I2C_ST_MODE_IDLE){
idle++;
if (idle > 10000000)
return 1;
};
return 0;
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> "Write")
Uint16 i2c_waitMemBusyAndSendAddWr () {
volatile Uint32 waitCycles = 0;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_START_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_STDONE)
return I2C_MEM_ERROR_TIMEOUT;
do {
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> + Write, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->SDA = 0b10100000;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> "4" - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTADPA){
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
waitCycles++;
if (waitCycles > 10000000) {
I2C->CTL0 = I2C_CTL0_STOP_Msk | I2C_CTL0_CLRST_Msk;
return I2C_MEM_ERROR_TIMEOUT;
}
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_START_Msk;
I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_RSDONE)
return I2C_MEM_ERROR_TIMEOUT;
}
} while ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTADPA);
return I2C_MEM_ERROR_OK;
}
// <20><><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (64 <20><><EFBFBD><EFBFBD><EFBFBD>)
Uint16 i2c_initWriteArray (Uint16 address) {
Uint16 retVal;
// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
retVal = i2c_waitMemBusyAndSendAddWr();
if (retVal != I2C_MEM_ERROR_OK)
return retVal;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x0000____
I2C->SDA = (address >> 8) & 0xFF;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
return I2C_MEM_ERROR_WRITE_HW_ERR;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x____0000
I2C->SDA = (address >> 0) & 0xFF;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
return I2C_MEM_ERROR_WRITE_HW_ERR;
// <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
return I2C_MEM_ERROR_OK;
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Uint16 i2c_writeArray(Uint16 address, Uint16 *dataPtr_u16, Uint16 length_u8) {
// <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Uint8* dataPtr_u8 = (Uint8*)dataPtr_u16;
i2c_initWriteArray(address);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
while (length_u8 > 0) {
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->SDA = *dataPtr_u8;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
return I2C_MEM_ERROR_WRITE_HW_ERR;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
length_u8--;
dataPtr_u8++;
address++;
if ((address & 0x3F) == 0) {
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_STOP_Msk;
I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
i2c_initWriteArray(address);
}
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_STOP_Msk;
I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
return I2C_MEM_ERROR_OK;
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 16-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
Uint16 i2c_readArray(Uint16 address, Uint16* readDataPtr_u16, Uint16 length_u8){
// <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Uint8* readDataPtr_u8 = (Uint8*)readDataPtr_u16;
Uint16 retVal;
// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
retVal = i2c_waitMemBusyAndSendAddWr();
if (retVal != I2C_MEM_ERROR_OK)
return retVal;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x0000____
I2C->SDA = (address >> 8) & 0xFF;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
return I2C_MEM_ERROR_READ_HW_ERR;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x____0000
I2C->SDA = (address >> 0) & 0xFF;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
return I2C_MEM_ERROR_READ_HW_ERR;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_START_Msk;
I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_RSDONE)
return I2C_MEM_ERROR_READ_HW_ERR;
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> + Read
I2C->SDA = 0b10100001;
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MRADPA)
return I2C_MEM_ERROR_READ_HW_ERR;
while (length_u8 > 1) {
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MRDAPA)
return I2C_MEM_ERROR_READ_HW_ERR;
*readDataPtr_u8 = I2C->SDA;
readDataPtr_u8++;
length_u8--;
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_ACK_Msk; // Reset + NACK
I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MRDANA)
return I2C_MEM_ERROR_READ_HW_ERR;
*readDataPtr_u8 = I2C->SDA;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
I2C->CTL0 = I2C_CTL0_STOP_Msk | I2C_CTL0_CLRST_Msk;
return I2C_MEM_ERROR_OK;
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> I2C <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define I2CMEM_FREQUENCY_KHZ 400
void I2CMEM_Init(TI2cMem*p){
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20> 1 <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
GPIOA->DENSET |= 0x3;
GPIOA->ALTFUNCSET |= 0x3;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> I2C <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// Fi2c = Fcpu / (4 * SCLFRQ), <20> Fcpu <20><><EFBFBD> 035 = 100 <20><><EFBFBD>
I2C->CTL1 |= I2C_CTL1_ENABLE_Msk;
I2C->CTL1 |= (25000 / I2CMEM_FREQUENCY_KHZ) << I2C_CTL1_SCLFRQ_Pos;
}
void I2CMEM_Write(TI2cMem*p){
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
p->LastErr = i2c_writeArray(p->MEMstartaddr, p->DSPstartaddr, p->data_length);
}
void I2CMEM_Read(TI2cMem*p){
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
p->LastErr = i2c_readArray(p->MEMstartaddr, p->DSPstartaddr, p->data_length);
}
void I2CMEM_Clear(TI2cMem*p){
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Uint32 i = 0;
Uint16 ffArr[32];
for (i = 0; i < 32; i++) {
ffArr[i] = 0xFFFF;
}
for (i = 0; i < EEPROM_MEM_LENGTH; i += 0x40){
p->MEMstartaddr = i;
p->DSPstartaddr = ffArr;
p->data_length = 0x40;
p->LastErr = i2c_writeArray(p->MEMstartaddr, p->DSPstartaddr, p->data_length);
if (p->LastErr != I2C_MEM_ERROR_OK)
return;
}
}
/****** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *******/
//// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> "<22><><EFBFBD><EFBFBD>"
//Uint16 i2c_writeSingleByteAndStop(Uint16 address, Uint8 data)
//{
// Uint16 retVal;
// // <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// retVal = i2c_waitMemBusyAndSendAddWr();
// if (retVal != I2C_MEM_ERROR_OK)
// return retVal;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x0000____
// I2C->SDA = (address >> 8) & 0xFF;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
// return I2C_MEM_ERROR_WRITE_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x____0000
// I2C->SDA = (address >> 0) & 0xFF;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
// return I2C_MEM_ERROR_WRITE_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// I2C->SDA = data;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
// return I2C_MEM_ERROR_WRITE_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
// I2C->CTL0 = I2C_CTL0_STOP_Msk;
// I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
// return I2C_MEM_ERROR_OK;
//}
//
//
//// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
//Uint8 i2c_readSingleByteAndStop(Uint16 address, Uint16* readData)
//{
// Uint16 retVal;
//
// // <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// retVal = i2c_waitMemBusyAndSendAddWr();
// if (retVal != I2C_MEM_ERROR_OK)
// return retVal;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x0000____
// I2C->SDA = (address >> 8) & 0xFF;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
// return I2C_MEM_ERROR_READ_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x____0000
// I2C->SDA = (address >> 0) & 0xFF;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MTDAPA)
// return I2C_MEM_ERROR_READ_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// I2C->CTL0 = I2C_CTL0_START_Msk;
// I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_RSDONE)
// return I2C_MEM_ERROR_READ_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> + Read
// I2C->SDA = 0b10100001;
// I2C->CTL0 = I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MRADPA)
// return I2C_MEM_ERROR_READ_HW_ERR;
//
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// I2C->CTL0 = I2C_CTL0_ACK_Msk; // Reset + NACK
// I2C->CTL0 |= I2C_CTL0_CLRST_Msk;
// if (i2c_waitIdle() != 0) return I2C_MEM_ERROR_TIMEOUT;
//
// // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// if ((I2C->ST & I2C_ST_MODE_Msk) != I2C_ST_MODE_MRDANA)
// return I2C_MEM_ERROR_READ_HW_ERR;
//
// *readData = I2C->SDA;
// // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
// I2C->CTL0 = I2C_CTL0_STOP_Msk | I2C_CTL0_CLRST_Msk;
//
// return I2C_MEM_ERROR_OK;
//}
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