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Code Issues Releases Activity

fix compile warning

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OneOfEleven
2023-11-03 19:51:27 +00:00
parent e2e030aed4
commit fca972a2f2
10 changed files with 105 additions and 28 deletions
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72
driver/i2c.c
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@ -44,6 +44,47 @@ void I2C_Stop(void)
SYSTICK_DelayUs(1);
}
uint8_t I2C_Read_fast(bool bFinal)
{
uint8_t i, Data;
PORTCON_PORTA_IE |= PORTCON_PORTA_IE_A11_BITS_ENABLE;
PORTCON_PORTA_OD &= ~PORTCON_PORTA_OD_A11_MASK;
GPIOA->DIR &= ~GPIO_DIR_11_MASK;
Data = 0;
for (i = 0; i < 8; i++)
{
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
Data <<= 1;
SYSTICK_Delay250ns(1);
if (GPIO_CheckBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA))
Data |= 1U;
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
}
PORTCON_PORTA_IE &= ~PORTCON_PORTA_IE_A11_MASK;
PORTCON_PORTA_OD |= PORTCON_PORTA_OD_A11_BITS_ENABLE;
GPIOA->DIR |= GPIO_DIR_11_BITS_OUTPUT;
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
if (bFinal)
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
else
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_Delay250ns(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_Delay250ns(1);
return Data;
}
uint8_t I2C_Read(bool bFinal)
{
uint8_t i, Data;
@ -53,16 +94,16 @@ uint8_t I2C_Read(bool bFinal)
GPIOA->DIR &= ~GPIO_DIR_11_MASK;
Data = 0;
for (i = 0; i < 8; i++) {
for (i = 0; i < 8; i++)
{
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(1);
Data <<= 1;
SYSTICK_DelayUs(1);
if (GPIO_CheckBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA)) {
if (GPIO_CheckBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA))
Data |= 1U;
}
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(1);
}
@ -72,11 +113,10 @@ uint8_t I2C_Read(bool bFinal)
GPIOA->DIR |= GPIO_DIR_11_BITS_OUTPUT;
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(1);
if (bFinal) {
if (bFinal)
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
} else {
else
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
}
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(1);
@ -132,25 +172,29 @@ int I2C_Write(uint8_t Data)
return ret;
}
int I2C_ReadBuffer(void *pBuffer, const unsigned int Size)
int I2C_ReadBuffer(void *pBuffer, const unsigned int Size, const bool fast)
{
uint8_t *pData = (uint8_t *)pBuffer;
unsigned int i;
if (Size == 1)
{
*pData = I2C_Read(true);
*pData = fast ? I2C_Read_fast(true) : I2C_Read(true);
return 1;
}
for (i = 0; i < (Size - 1); i++)
if (fast)
{
// SYSTICK_DelayUs(1);
pData[i] = I2C_Read(false);
for (i = 0; i < (Size - 1); i++)
pData[i] = I2C_Read_fast(false);
pData[i++] = I2C_Read_fast(true);
}
else
{
for (i = 0; i < (Size - 1); i++)
pData[i] = I2C_Read(false);
pData[i++] = I2C_Read(true);
}
// SYSTICK_DelayUs(1);
pData[i++] = I2C_Read(true);
return Size;
}