{
uint8 slaveaddr;
uint16 slavereg;
- uint8 data,ret;
+ uint8 data,ret = 0;
+ uint8 rtc_status_reg = 0x11;
slaveaddr = I2C_SADDR; //slave device addr
slavereg = 0x22; // reg addr
data = 0x23; //set arm 1.0v
sram_i2c_init(); //init i2c device
+ ret = sram_i2c_read(slaveaddr, rtc_status_reg);
+ sram_i2c_write(slaveaddr, rtc_status_reg, ret);
arm_voltage = sram_i2c_read(slaveaddr, slavereg);
// sram_printhex(ret);
sram_i2c_write(slaveaddr, slavereg, data);//
{
uint8 slaveaddr;
uint16 slavereg;
- uint8 data,ret;
+ uint8 data,ret = 0;
slaveaddr = I2C_SADDR; //slave device addr
slavereg = 0x22; // reg addr