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DIOT Monitoring Module
DIOT Monitoring Module
Commit ccdc2e6e authored by Christos Gentsos's avatar Christos Gentsos
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I2C: simple I2C slave test (works)

parent 56e9fa22
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Showing with 29 additions and 9 deletions
main_fw/atmel_start_prj/atmel_start_config.atstart
View file @ ccdc2e6e
......@@ -247,7 +247,7 @@ drivers:
functionality: I2C
api: HAL:Driver:I2C_Slave_Async
configuration:
i2c_slave_address: 26
i2c_slave_address: 18
i2c_slave_address_mask: 0
i2c_slave_advanced: true
i2c_slave_amode: Mask
......
main_fw/atmel_start_prj/config/hpl_sercom_config.h
View file @ ccdc2e6e
......@@ -20,7 +20,7 @@
// <i> In 7-bit addressing mode the range is 0x00 to 0x7F, in 10-bit addressing mode the range is 0x000 to 0x3FF
// <id> i2c_slave_address
#ifndef CONF_SERCOM_3_I2CS_ADDRESS
#define CONF_SERCOM_3_I2CS_ADDRESS 0x1a
#define CONF_SERCOM_3_I2CS_ADDRESS 0x12
#endif
// </h>
......
main_fw/src/main.c
View file @ ccdc2e6e
......@@ -38,6 +38,24 @@ void jump_to_mockbl()
asm("bx %0" ::"r"(app_start_address));
}
static struct io_descriptor *io;
static void I2C_0_rx_complete(const struct i2c_s_async_descriptor *const descr)
{
uint8_t c;
io_read(io, &c, 1);
debug("got character %c", c);
delay_ms(10);
}
void I2C_0_example(void)
{
i2c_s_async_get_io_descriptor(&I2C_0, &io);
i2c_s_async_register_callback(&I2C_0, I2C_S_RX_COMPLETE, I2C_0_rx_complete);
i2c_s_async_enable(&I2C_0);
}
int main(void)
{
/* Initializes MCU, drivers and middleware */
......@@ -52,6 +70,8 @@ int main(void)
uint16_t checksum;
checksum = comp_sysv_checksum();
I2C_0_example();
/* Replace with your application code */
while (1) {
delay_ms(500);
......@@ -59,14 +79,14 @@ 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);
debug("slave iter %d, temp=%.1f", i/2, adc_temp);
}
if (i == 10) {
usbdc_detach ();
usbdc_stop ();
usbdc_deinit ();
/* if (i == 10) { */
/* usbdc_detach (); */
/* usbdc_stop (); */
/* usbdc_deinit (); */
jump_to_mockbl();
}
/* jump_to_mockbl(); */
/* } */
}
}
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