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/**
* T-Modem-s1224 pin map — softmodem service Pico (same PCB base as c1224).
* No TCM3105: PWM AF out bypasses chip socket (prototype jumper to AF path).
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef S1224_BOARD_PINS_H
#define S1224_BOARD_PINS_H
#include <stdint.h>
#include <stdbool.h>
#define S1224_HAS_CHIP_MODEM 0
/* I2C LCD (shared-kit class; level-shifted on board) */
#define PIN_I2C_SDA 0
#define PIN_I2C_SCL 1
#define I2C_LCD_BAUDRATE 100000
#define I2C_LCD_ADDR_DEFAULT 0x27
/* GP6 · PCB net AF_TX · PWM AFSK out */
#define PIN_AF_TX 6
/* GP26 · PCB net AF_RX when routed · ADC channel 0 */
#define PIN_AF_RX_ADC 26
/* GP7/GP8 · NC on s1224 PCB · optional FW sense if wired */
#define PIN_GP7_SENSE 7
#define PIN_MODEM_RXD PIN_GP7_SENSE /* alias · was chip RXD name */
#define PIN_MODEM_CDT 8 /* unused · NC on board */
#define PIN_PTT_DRV 9 /* GP9 · PTT keying */
#define PIN_LED_PTT 10
#define PIN_LED_DCD 11
#define PIN_LED_TXRX 12
void board_pins_init(void);
#endif /* S1224_BOARD_PINS_H */
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