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boards/samd21-xpro: add more adc lines

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This commit is contained in:
Bumsik Kim 2017-05-05 10:21:22 -04:00
parent dfba4394c6
commit c54b477188
1 changed files with 15 additions and 8 deletions
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23
boards/samd21-xpro/include/periph_conf.h
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@ -271,27 +271,34 @@ static const spi_conf_t spi_config[] = {
* @name ADC Configuration
* @{
*/
#define ADC_NUMOF (1U)
#define ADC_0_EN 1
#define ADC_MAX_CHANNELS 14
/* ADC 0 device configuration */
#define ADC_0_DEV ADC
#define ADC_0_IRQ ADC_IRQn
#define ADC_0_CHANNELS (3U)
/* ADC 0 Default values */
#define ADC_0_CLK_SOURCE 0 /* GCLK_GENERATOR_0 */
#define ADC_0_PRESCALER ADC_CTRLB_PRESCALER_DIV512
static const adc_conf_chan_t adc_channels[] = {
/* port, pin, muxpos */
{GPIO_PIN(PA, 10), ADC_INPUTCTRL_MUXPOS_PIN18}, /* EXT2, pin 3 */
{GPIO_PIN(PA, 11), ADC_INPUTCTRL_MUXPOS_PIN19}, /* EXT2, pin 4 */
{GPIO_PIN(PA, 2), ADC_INPUTCTRL_MUXPOS_PIN0} /* EXT3, pin 3 */
};
#define ADC_0_NEG_INPUT ADC_INPUTCTRL_MUXNEG_GND
#define ADC_0_GAIN_FACTOR_DEFAULT ADC_INPUTCTRL_GAIN_1X
#define ADC_0_REF_DEFAULT ADC_REFCTRL_REFSEL_INT1V
static const adc_conf_chan_t adc_channels[] = {
/* port, pin, muxpos */
{GPIO_PIN(PB, 0), ADC_INPUTCTRL_MUXPOS_PIN8}, /* EXT1, pin 3 */
{GPIO_PIN(PB, 1), ADC_INPUTCTRL_MUXPOS_PIN9}, /* EXT1, pin 4 */
{GPIO_PIN(PA, 10), ADC_INPUTCTRL_MUXPOS_PIN18}, /* EXT2, pin 3 */
{GPIO_PIN(PA, 11), ADC_INPUTCTRL_MUXPOS_PIN19}, /* EXT2, pin 4 */
{GPIO_PIN(PA, 2), ADC_INPUTCTRL_MUXPOS_PIN0}, /* EXT3, pin 3 */
{GPIO_PIN(PA, 3), ADC_INPUTCTRL_MUXPOS_PIN1} /* EXT3, pin 4. This is
disconnected by default. PA3 is connected to USB_ID.
Move PA03 SELECT jumper to EXT3 to connect. */
};
#define ADC_0_CHANNELS (6U)
#define ADC_NUMOF ADC_0_CHANNELS
/** @} */
#ifdef __cplusplus