C++ (Cpp) solo_eeprom_reg_write Beispiele

Beispiel #1

Datei: solo6x10-eeprom.c Projekt: 7799/linux

static void solo_eeprom_cmd(struct solo_dev *solo_dev, int cmd)
{
	int i;

	solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ACCESS_EN);
	solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE);

	for (i = 4 + ADDR_LEN; i >= 0; i--) {
		int dataval = (cmd & (1 << i)) ? EE_DATA_WRITE : 0;

		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE | dataval);
		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE |
				      EE_SHIFT_CLK | dataval);
	}

	solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE);
}

Beispiel #2

Datei: solo6010-eeprom.c Projekt: inistec/solo6x10

unsigned short solo_eeprom_read(struct solo6010_dev *solo_dev, int loc)
{
	int read_cmd = loc | (EE_READ_CMD << ADDR_LEN);
	unsigned short retval = 0;
	int i;

	solo_eeprom_cmd(solo_dev, read_cmd);

	for (i = 0; i < 16; i++) {
		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE |
				      EE_SHIFT_CLK);
		retval = (retval << 1) | solo_eeprom_reg_read(solo_dev);
		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE);
	}

	solo_eeprom_reg_write(solo_dev, ~EE_CS);

	return retval;
}

Beispiel #3

Datei: solo6010-eeprom.c Projekt: inistec/solo6x10

unsigned int solo_eeprom_ewen(struct solo6010_dev *solo_dev, int w_en)
{
        int ewen_cmd = (w_en ? 0x3f : 0) | (EE_EWEN_CMD << ADDR_LEN);
	unsigned int retval = 0;
	int i;

	solo_eeprom_cmd(solo_dev, ewen_cmd);

	for (i = 0; i < 16; i++) {
		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE |
				      EE_SHIFT_CLK);
		retval = (retval << 1) | solo_eeprom_reg_read(solo_dev);
		solo_eeprom_reg_write(solo_dev, SOLO_EEPROM_ENABLE);
		retval = (retval << 1) | solo_eeprom_reg_read(solo_dev);
	}

	solo_eeprom_reg_write(solo_dev, ~EE_CS);
	retval = (retval << 1) | solo_eeprom_reg_read(solo_dev);

        return retval;
}

Beispiel #4

Datei: solo6010-eeprom.c Projekt: inistec/solo6x10

int solo_eeprom_write(struct solo6010_dev *solo_dev, int loc,
		      unsigned short data)
{
	int write_cmd = loc | (EE_WRITE_CMD << ADDR_LEN);
	unsigned int retval;
	int i;

	solo_eeprom_cmd(solo_dev, write_cmd);

	for (i = 15; i >= 0; i--) {
		unsigned int dataval = (data & (1 << i)) ? EE_WRITE_1 : EE_WRITE_0;

		solo_eeprom_reg_write(solo_dev, EE_ENB);
		solo_eeprom_reg_write(solo_dev, EE_ENB | dataval | EE_SHIFT_CLK);
	}

	solo_eeprom_reg_write(solo_dev, EE_ENB);
	solo_eeprom_reg_write(solo_dev, ~EE_CS);
	solo_eeprom_reg_write(solo_dev, EE_ENB);

	for (i = retval = 0; i < 10000 && !retval; i++)
		retval = solo_eeprom_reg_read(solo_dev);

	solo_eeprom_reg_write(solo_dev, ~EE_CS);

        return !retval;
}