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add doc

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This commit is contained in:
hugo LAMY
2025-03-17 09:09:52 +01:00
parent e59346adc6
commit 3cd6e72b8d
1 changed files with 2 additions and 2 deletions
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4
module06/ex01/main.c
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@@ -31,7 +31,7 @@ void print_hex_value(char c) {
void print_data() { void print_data() {
uint8_t data; uint8_t data;
for (uint8_t i = 0; i < 7; i++) { for (uint8_t i = 0; i < 7; i++) { // doc AHT20, 7.4 : >= 7 bytes -> CRC (Cyclic Redundancy Check), an error-detecting code
data = i2c_read_nack(); data = i2c_read_nack();
print_hex_value(data); print_hex_value(data);
if (i == 0) { if (i == 0) {
@@ -116,7 +116,7 @@ int main() {
i2c_start_repeat(); i2c_start_repeat();
i2c_send_addr_w(AHT20_ADDRESS); i2c_send_addr_w(AHT20_ADDRESS);
_delay_ms(20); _delay_ms(10);
// aht20_wait_for_status(); // aht20_wait_for_status();
i2c_write(0xAC); i2c_write(0xAC);