BRNSystems/brnQuanFW
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This commit is contained in:
Armel FAUVEAU
2024-08-16 00:11:09 +02:00
parent 7c53df8d2b
commit 74862d1ac2
95 changed files with 15257 additions and 15258 deletions
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46
driver/eeprom.c
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@@ -23,41 +23,41 @@
void EEPROM_ReadBuffer(uint16_t Address, void *pBuffer, uint8_t Size)
{
I2C_Start();
I2C_Start();
I2C_Write(0xA0);
I2C_Write(0xA0);
I2C_Write((Address >> 8) & 0xFF);
I2C_Write((Address >> 0) & 0xFF);
I2C_Write((Address >> 8) & 0xFF);
I2C_Write((Address >> 0) & 0xFF);
I2C_Start();
I2C_Start();
I2C_Write(0xA1);
I2C_Write(0xA1);
I2C_ReadBuffer(pBuffer, Size);
I2C_ReadBuffer(pBuffer, Size);
I2C_Stop();
I2C_Stop();
}
void EEPROM_WriteBuffer(uint16_t Address, const void *pBuffer)
{
if (pBuffer == NULL || Address >= 0x2000)
return;
if (pBuffer == NULL || Address >= 0x2000)
return;
uint8_t buffer[8];
EEPROM_ReadBuffer(Address, buffer, 8);
if (memcmp(pBuffer, buffer, 8) == 0) {
return;
}
uint8_t buffer[8];
EEPROM_ReadBuffer(Address, buffer, 8);
if (memcmp(pBuffer, buffer, 8) == 0) {
return;
}
I2C_Start();
I2C_Write(0xA0);
I2C_Write((Address >> 8) & 0xFF);
I2C_Write((Address >> 0) & 0xFF);
I2C_WriteBuffer(pBuffer, 8);
I2C_Stop();
I2C_Start();
I2C_Write(0xA0);
I2C_Write((Address >> 8) & 0xFF);
I2C_Write((Address >> 0) & 0xFF);
I2C_WriteBuffer(pBuffer, 8);
I2C_Stop();
// give the EEPROM time to burn the data in (apparently takes 5ms)
SYSTEM_DelayMs(8);
// give the EEPROM time to burn the data in (apparently takes 5ms)
SYSTEM_DelayMs(8);
}