RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-01-17 05:12:57 +01:00
Code Releases Activity

frdm-k64f: Add configuration for dedicated analog pins

Browse Source 
These pins have no alternate function in the pin mux so we might as well
make them available to applications. These pins are the only pins which
provide differential analog input pairs on this board.
This commit is contained in:
Joakim Nohlgård 2018-08-10 15:25:20 +02:00
parent 9d720877d3
commit 45edfa43bf
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
boards/frdm-k64f/include/periph_conf.h
View File

@ -126,6 +126,26 @@ static const adc_conf_t adc_config[] = {
[ 3] = { .dev = ADC1, .pin = GPIO_PIN(PORT_B, 11), .chan = 15 }, /* PTB11 (Arduino A3) */
[ 4] = { .dev = ADC1, .pin = GPIO_PIN(PORT_C, 11), .chan = 7 }, /* PTC11 (Arduino A4) */
[ 5] = { .dev = ADC1, .pin = GPIO_PIN(PORT_C, 10), .chan = 6 }, /* PTC10 (Arduino A5) */
[ 6] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = 0 }, /* ADC0_DP0 */
[ 7] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = 19 }, /* ADC0_DM0 */
[ 8] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = (0 | ADC_SC1_DIFF_MASK) }, /* ADC0_DP0 - ADC0_DM0 */
[ 9] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = 0 }, /* ADC1_DP0 */
[10] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = 19 }, /* ADC1_DM0 */
[11] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = (0 | ADC_SC1_DIFF_MASK) }, /* ADC1_DP0 - ADC1_DM0 */
[12] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = 1 }, /* ADC0_DP1 */
[13] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = 20 }, /* ADC0_DM1 */
[14] = { .dev = ADC0, .pin = GPIO_UNDEF , .chan = (1 | ADC_SC1_DIFF_MASK) }, /* ADC0_DP1 - ADC0_DM1 */
[15] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = 1 }, /* ADC1_DP1 */
[16] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = 20 }, /* ADC1_DM1 */
[17] = { .dev = ADC1, .pin = GPIO_UNDEF , .chan = (1 | ADC_SC1_DIFF_MASK) }, /* ADC1_DP1 - ADC1_DM1 */
/* internal: temperature sensor */
/* The temperature sensor has a very high output impedance, it must not be
* sampled using hardware averaging, or the sampled values will be garbage */
[18] = { .dev = ADC0, .pin = GPIO_UNDEF, .chan = 26 },
/* internal: band gap */
/* Note: the band gap buffer uses a bit of current and is turned off by default,
* Set PMC->REGSC |= PMC_REGSC_BGBE_MASK before reading or the input will be floating */
[19] = { .dev = ADC0, .pin = GPIO_UNDEF, .chan = 27 },
};
#define ADC_NUMOF (sizeof(adc_config) / sizeof(adc_config[0]))