avr/cI2C
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v0.3: bugfixes and refactoring

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This commit is contained in:
SMFSW 2017-01-22 18:32:00 +01:00
parent 588c8106a3
commit 4728577666
11 changed files with 536 additions and 350 deletions
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16
examples/ci2c_master_read/ci2c_master_read.ino Normal file → Executable file
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@ -5,13 +5,15 @@
This example code is in the public domain.
created Jan 12 2017
latest mod Jan 16 2017
latest mod Jan 22 2017
by SMFSW
*/
#include <ci2c.h>
I2C_SLAVE FRAM;
const uint8_t blank = 0xEE; // blank tab filling value for test
I2C_SLAVE FRAM; // slave declaration
void setup() {
Serial.begin(115200); // start serial for output
@ -21,15 +23,17 @@ void setup() {
void loop() {
const uint16_t reg_addr = 0;
uint8_t str[7];
memset(&str, 0xEE, sizeof(str));
uint8_t str[8];
const uint8_t half_sz = sizeof(str) / 2;
memset(&str, blank, sizeof(str));
I2C_read(&FRAM, reg_addr, &str[0], sizeof(str)); // Addr 0, 2bytes Addr size, str, read chars for size of str
I2C_read(&FRAM, reg_addr, &str[0], half_sz); // FRAM, Addr 0, str, read chars for size of half str
I2C_read_next(&FRAM, &str[half_sz], half_sz);
Serial.println();
for (uint8_t i = 0; i < sizeof(str); i++)
{
Serial.print(str[i], HEX); // receive a byte as character
Serial.print(str[i], HEX); // print hex values
Serial.print(" ");
}