why am i getting expected primary-expression before '.' token [closed] - struct

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I am trying to create a Struct with two structs inside. One struct has a 2d array in it. The other struct packs 2 versions of the previous struct. I have a working code. However, in this code I have this statement:
`if (lane_bank_select == 0) {
for (uint8_t i = 0; i < lane_amount; i = i + 1) {
Serial.print(db.data_lane_bank_1[i].data_1);
Serial.print(" ");
Serial.print(db.data_lane_bank_1[i].data_2);
Serial.print(" ");
Serial.print(db.data_lane_bank_1[i].data_3);
Serial.print(" ");
Serial.println(db.data_lane_bank_1[i].data_4);
}
} else if (lane_bank_select == 1) {
for (uint8_t i = 0; i < lane_amount; i = i + 1) {
Serial.print(db.data_lane_bank_2[i].data_1);
Serial.print(" ");
Serial.print(db.data_lane_bank_2[i].data_2);
Serial.print(" ");
Serial.print(db.data_lane_bank_2[i].data_3);
Serial.print(" ");
Serial.println(db.data_lane_bank_2[i].data_4);
}
} else {
Serial.print(db.data_lane_bank_1[0].data_1);
Serial.print(" ");
Serial.print(db.data_lane_bank_1[0].data_2);
Serial.print(" ");
Serial.print(db.data_lane_bank_1[0].data_3);
Serial.print(" ");
Serial.println(db.data_lane_bank_1[0].data_4);
}`
I would like to change this statement to something like this.
`for (uint8_t i = 0; i < memory_amount; i = i + 1) {
if (lane_bank_select == i) {
for (uint8_t j = 0; j < bank_amount; j = j + 1) {
for (uint8_t k = 0; k < lane_amount; k = k + 1) {
for (uint8_t l = 0; l < data_amount; l = l + 1) {
Serial.print(db.data_lane_bank[j][k].data[l]);
Serial.println(" ");
}
}
}
}
}`
So i wrote this:
`const uint8_t memory_amount = 2;
const uint8_t bank_amount = 2;
const uint8_t data_amount = 4;
const uint8_t lane_amount = 4;
const uint8_t lane_array_size = 4;
uint8_t lane_bank_select = 0; // This is used to select the data lane bank
struct data_lane { // creates 4 variables for the data lane.
uint8_t data[data_amount];
};
// packs 2 versions of data_lane struct into one struct
struct data_bank {
data_lane data_lane_bank[bank_amount][lane_amount];
};
void setup() {
Serial.begin(9600);
}
void loop() {
// use serial port to select data_lane bank via lane_bank_select
serial_lane_select();
data_bank db = {
.data_lane_bank[0] = {
{ 1, 2, 3, 4 }, // Data_lane_1
{ 11, 12, 13, 14 }, // Data_lane_2
{ 21, 22, 23, 24 }, // Data_lane_3
{ 31, 32, 33, 34 }, // Data_lane_4
},
.data_lane_bank[1] = {
{ 41, 42, 43, 44 }, // Data_lane_1
{ 51, 52, 53, 54 }, // Data_lane_2
{ 61, 62, 63, 64 }, // Data_lane_3
{ 71, 72, 73, 74 }, // Data_lane_4
}
};
for (uint8_t i = 0; i < memory_amount; i = i + 1) {
if (lane_bank_select == i) {
for (uint8_t j = 0; j < bank_amount; j = j + 1) {
for (uint8_t k = 0; k < lane_amount; k = k + 1) {
for (uint8_t l = 0; l < data_amount; l = l + 1) {
Serial.print(db.data_lane_bank[j][k].data[l]);
Serial.println(" ");
}
}
}
}
}
}
void serial_lane_select() {
uint8_t lane_recieved;
if (Serial.available() > 0) {
lane_recieved = Serial.read();
if (lane_recieved == '1') // Single Quote! This is a character.
{
lane_bank_select = 0;
}
if (lane_recieved == '2') {
lane_bank_select = 1;
}
}
}`
I am now getting this error:
expected primary-expression before '.' token .data_lane_bank[0] =
Can somebody help please.