Master: simple I2C sending test (works)

e71f0ac4 · Christos Gentsos · f1ef0e20 · e71f0ac4
Commit e71f0ac4 authored Jul 17, 2019 by Christos Gentsos
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Showing with 8 additions and 1 deletion

main.c src/main.c +8 -1

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--- a/src/main.c
+++ b/src/main.c
@@ -13,6 +13,12 @@ int main(void)
        uint16_t adc_val;
        float adc_temp;

+        struct io_descriptor *I2C_0_io;
+        int n_written = 0;
+
+        i2c_m_sync_get_io_descriptor(&I2C_0, &I2C_0_io);
+        i2c_m_sync_enable(&I2C_0);
+        i2c_m_sync_set_slaveaddr(&I2C_0, 0x12, I2C_M_SEVEN);

 	/* Replace with your application code */
 	while (1) {
@@ -21,7 +27,8 @@ int main(void)
                if (i++ % 2) {
                        adc_sync_read_channel(&ADC_0, 0, (uint8_t*)&adc_val, 2);
                        adc_temp = ((adc_val / 4095.0) - 0.6)/0.01;
-                        debug("iter %d, temp=%.1f", i/2, adc_temp);
+                        n_written = io_write(I2C_0_io, (uint8_t *)"Hello World!", 12);
+                        debug("iter %d, temp=%.1f, written=%d", i/2, adc_temp, n_written);
                }
 	}
 }