int eeprom_save(void)
{
printf("Saving EEPROM data by 16 bytes pages...\n");
// load eeprom by pages of 32 bytes each
int counter = 0;
for (int i = 0; i < CONFIG_EEPROM_SIZE / 16; i++) {
// set address
i2c_start(I2C_Direction_Transmitter, CONFIG_EEPROM_ADDRESS);
i2c_send(counter >> 8);
i2c_send(counter & 0xFF);
// write data
for (int j = 0; j < 16; j++) {
i2c_send(eeprom_map[counter++]);
}
I2C_GenerateSTOP(I2C1, ENABLE);
while (!(I2C1->SR1 & I2C_SR1_BTF)) {
uint8_t data = I2C1->DR;
data++;
}
// wait for EEPROM to catch bytes
delay_ms(20);
early_putc('*');
}
printf("\nDone.\n");
return 0;
}
int eeprom_load(void)
{
printf("Loading EEPROM data by 16 bytes pages...\n");
// load eeprom by pages of 16 bytes each
int counter = 0x00;
for (int i = 0; i < CONFIG_EEPROM_SIZE / 16; i++) {
// set address
i2c_start(I2C_Direction_Transmitter, CONFIG_EEPROM_ADDRESS);
i2c_send(counter >> 8);
i2c_send(counter & 0xFF);
// read data
i2c_restart(I2C_Direction_Receiver, CONFIG_EEPROM_ADDRESS);
for (int j = 0; j < 15; j++) {
eeprom_map[counter++] = i2c_recv_ack();
}
// stop condition
eeprom_map[counter++] = i2c_recv_nack();
early_putc('*');
}
printf("\nDone.\n");
return 0;
}
static void
bcm_cfe_eputc(int c)
{
unsigned char ch;
int handle;
ch = (unsigned char) c;
/* bcm_get_platform() cannot be used here, as we may be called
* from bcm_init_platform_data(). */
if ((handle = bcm_platform_data.cfe_console) < 0)
return;
if (ch == '\n')
early_putc('\r');
while ((cfe_write(handle, &ch, 1)) == 0)
continue;
}
static int avr_early_putc(char c, FILE *stream)
{
early_putc(c);
return 0;
}
