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import "ch573/common.fdl";
/** Package for */
package ch573.gpio {
location sys_base = 0x4000_1000;
location gpio_base = 0x4000_1018;
location gpio_port_a_base = 0x4000_10A0;
location gpio_port_b_base = 0x4000_10C0;
using ch573.common;
bits pd_drv_t : enum(1) {
[[ c: unqualified ]]
PD_DRV_DRIVE = 0,
[[ c: unqualified ]]
PD_DRV_OPEN_DRAIN = 1,
};
/** Gpio port type. */
type gpio_port_t : struct {
/** Port direction register. */
reg (32) : struct {
dir : enum(1) {
[[ c: unqualified ]]
DIR_OUT = 1,
[[ c: unqualified ]]
DIR_IN = 0,
} [16];
reserved(16);
};
/** Pin input register. */
reg pin(32) : struct {
in : bit_t[16];
reserved(16);
};
/** Pin output register. */
reg (32) : struct {
out : bit_t[16];
reserved(16);
};
/** Data reset register. */
reg clr(32);
/** Pull-up resistor configuration. */
reg (32) : struct {
pu : enable_t[16];
reserved(16);
};
/** pull-down/drive configuration register. */
reg (32) : struct {
pd_drv : pd_drv_t[16];
reserved(16);
};
};
/** Gpio Type. */
type gpio_t : struct {
/** Function pin remapping register. */
reg pin_alternate(16) : struct {
/**
* TMR0 function pin mapping selection bit:
*
* 1: TMR0_/PWM0_/CAP0_ is mapped to PB[23]
* 0: TMR0_/PWM0_/CAP0_ is mapped to PA[9]
*/
rw pin_tmr0 : bit_t;
/**
* TMR1 function pin mapping selection bit:
*
* 1: TMR1_/PWM1_/CAP1_ is mapped to PB[10];
* 0: TMR1/PWM1/CAP1 is mapped to PA[10].
*/
rw pin_tmr1 : bit_t;
/**
* TMR2 function pin mapping selection bit:
*
* 1: TMR2_/PWM2_/CAP2_ is mapped to PB[11];
* 0: TMR2/PWM2/CAP2 is mapped to PA[11].
*/
rw pin_tmr2 : bit_t;
reserved(1);
/**
* UART0 function pin mapping selection bit:
*
* 1: RXD0_/TXD0_ is mapped to PA[15]/PA[14];
* 0: RXD0/TXD0 is mapped to PB[4]/PB[7].
*/
rw pin_uart0 : bit_t;
/**
* UART1 function pin mapping selection bit:
*
* 1: RXD1_/TXD1_ is mapped to PB[12]/PB[13];
* 0: RXD1/TXD1 is mapped to PA[8]/PA[9].
*/
rw pin_uart1 : bit_t;
reserved(2);
/**
* SPI0 function pin mapping selection bit:
*
* 1: SCK0_/SCS_/MOSI_/MISO_ is mapped to PB[12]/PB[13]/PB[14]/PB[15];
* 0: SCK0/SCS/MOSI/MISO is mapped to PA[12]/PA[13]/PA[14]/PA[15].
*/
rw pin_spi0 : bit_t;
reserved(7);
};
/** Peripheral analog pin configuration register. */
reg pin_analog_ie(16) : struct {
reserved(6);
pin_usb_dp_pu : bit_t;
/**
* USB pin enable:
*
* 1: PB10-11 are USB communication pins;
* 0: PB10-11 are not used for USB communication.
*/
pin_usb_ie : bit_t;
/**
* ADC/TKEY 8/9 channel pin digital input disable:
*
* 1: Disable PB0/PB6 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc8_9_ie : bit_t;
/**
* ADC/TKEY 0 channel pin digital input disable:
*
* 1: Disable PA4 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc0_ie : bit_t;
/**
* ADC/TKEY 1 channel pin digital input disable:
*
* 1: Disable PA5 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc1_ie : bit_t;
/**
* ADC/TKEY 12 channel pin digital input disable:
*
* 1: Disable the PA8 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc12_ie : bit_t;
/**
* ADC/TKEY 13 channel pin digital input disable:
*
* 1: Disable PA9 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc13_ie : bit_t;
/**
* 32KHz crystal LSE pin digital input disable:
*
* 1: Disable PA10-11 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_xt32k_ie : bit_t;
/**
* ADC/TKEY 2/3 channel pin digital input disable:
*
* 1: Disable PA12-13 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc2_3_ie : bit_t;
/**
* ADC/TKEY 4/5 channel pin digital input disable:
*
* 1: Disable PA14-15 digital input to save power consumption;
* 0: Enable digital input.
*/
pin_adc4_5_ie : bit_t;
};
/** Port A interrupt enable register. */
reg pa_interrupt_enable(16);
/** Port B interrupt enable register. */
reg pb_interrupt_enable(16);
/** Port A interrupt mode configure register. */
reg pa_interrupt_mode(16);
/** Port B interrupt mode configure register. */
reg pb_interrupt_mode(16);
/** Port A interrupt flag register. */
reg pa_interrupt_flag(16);
/** Port B interrupt flag register. */
reg pb_interrupt_flag(16);
};
instance gpio at gpio_base : gpio_t;
instance gpio_port_a at gpio_port_a_base : gpio_port_t;
instance gpio_port_b at gpio_port_b_base : gpio_port_t;
};
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