/**
* Writes a series of bytes.
*
* @param data the master device data
* @param buf pointer to the data to write
* @param len the number of bytes to write
*/
static void w1_gpio_write_block(void *data, const u8 *buf, int len)
{
int i;
w1_gpio_pre_write(data);
for (i = 0; i < len; ++i)
w1_gpio_write_8(data, buf[i]); /* calls w1_pre_write */
w1_gpio_post_write(data);
}
/**
* Writes 8 bits.
*
* @param data the master device data
* @param byte the byte to write
*/
static void w1_gpio_write_8(void *data, u8 byte)
{
int i;
w1_gpio_pre_write(data);
for (i = 0; i < 8; ++i) {
if (i == 7)
w1_gpio_pre_write(data);
// w1_gpio_write_bit(data, (byte >> i) & 0x1);
w1_gpio_touch_bit(data, (byte >> i) & 0x1);
}
w1_gpio_post_write(data);
}
/**
* Writes 8 bits.
*
* @param data the master device data
* @param byte the byte to write
*/
static void w1_gpio_write_8(void *data, u8 byte)
{
int i;
unsigned long irq_flags;
w1_gpio_pre_write(data);
spin_lock_irqsave(&w1_gpio_msm_lock, irq_flags);
for (i = 0; i < 8; ++i)
w1_gpio_write_bit_in8(data, (byte >> i) & 0x1);
spin_unlock_irqrestore(&w1_gpio_msm_lock, irq_flags);
w1_gpio_post_write(data);
}
