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Add some extra defines to platform_defs.h (#227)

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Andrew Scheller 2021-03-04 18:52:42 +00:00 committed by graham sanderson
parent 62b2d33e8f
commit dff0633c20
2 changed files with 6 additions and 1 deletions
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5
src/rp2040/hardware_regs/include/hardware/platform_defs.h
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@ -25,6 +25,11 @@
#define NUM_PWM_SLICES _u(8)
#define NUM_SPIN_LOCKS _u(32)
#define NUM_UARTS _u(2)
#define NUM_I2CS _u(2)
#define NUM_SPIS _u(2)
#define NUM_ADC_CHANNELS _u(5)
#define NUM_BANK0_GPIOS _u(30)
#define PIO_INSTRUCTION_COUNT _u(32)

2
src/rp2_common/hardware_adc/include/hardware/adc.h
View File

@ -84,7 +84,7 @@ static inline void adc_gpio_init(uint gpio) {
* \param input Input to select.
*/
static inline void adc_select_input(uint input) {
invalid_params_if(ADC, input > 4);
valid_params_if(ADC, input < NUM_ADC_CHANNELS);
hw_write_masked(&adc_hw->cs, input << ADC_CS_AINSEL_LSB, ADC_CS_AINSEL_BITS);
}