yang/uv-k5-firmware-chinese-lts
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减少eeprom延时

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This commit is contained in:
wu58430 2024-01-05 18:46:42 +08:00
parent e7caf187c4
commit de21450df6
3 changed files with 30 additions and 1105 deletions
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1083
.idea/workspace.xml
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File diff suppressed because it is too large Load diff

2
driver/eeprom.c
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@ -58,7 +58,7 @@ void EEPROM_WriteBuffer(uint32_t Address, const void *pBuffer,uint8_t WRITE_SIZE
I2C_WriteBuffer(pBuffer, WRITE_SIZE);
I2C_Stop();
}
SYSTEM_DelayMs(8);
SYSTEM_DelayMs(6);
}

50
driver/i2c.c
View file

@ -23,25 +23,25 @@
void I2C_Start(void)
{
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
}
void I2C_Stop(void)
{
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
}
uint8_t I2C_Read(bool bFinal)
@ -55,33 +55,33 @@ uint8_t I2C_Read(bool bFinal)
Data = 0;
for (i = 0; i < 8; i++) {
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
Data <<= 1;
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
if (GPIO_CheckBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA)) {
Data |= 1U;
}
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(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_DelayUs(3);
SYSTICK_DelayUs(1);
if (bFinal) {
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
} else {
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
}
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
return Data;
}
@ -92,7 +92,7 @@ int I2C_Write(uint8_t Data)
int ret = -1;
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
for (i = 0; i < 8; i++) {
if ((Data & 0x80) == 0) {
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
@ -100,20 +100,20 @@ int I2C_Write(uint8_t Data)
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
}
Data <<= 1;
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
}
PORTCON_PORTA_IE |= PORTCON_PORTA_IE_A11_BITS_ENABLE;
PORTCON_PORTA_OD &= ~PORTCON_PORTA_OD_A11_MASK;
GPIOA->DIR &= ~GPIO_DIR_11_MASK;
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
GPIO_SetBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
for (i = 0; i < 255; i++) {
if (GPIO_CheckBit(&GPIOA->DATA, GPIOA_PIN_I2C_SDA) == 0) {
@ -123,7 +123,7 @@ int I2C_Write(uint8_t Data)
}
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_I2C_SCL);
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(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;
@ -143,11 +143,11 @@ int I2C_ReadBuffer(void *pBuffer, uint8_t Size)
}
for (i = 0; i < Size - 1; i++) {
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
pData[i] = I2C_Read(false);
}
SYSTICK_DelayUs(3);
SYSTICK_DelayUs(1);
pData[i++] = I2C_Read(true);
return Size;