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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-06-27 AHTYDHD the first version
* 2024-04-11 Astrozen add i2c support
*/
#include <rtthread.h>
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_memmap.h"
#include "driverlib/rom.h"
#include "driverlib/pin_map.h"
#include "driverlib/sysctl.h"
#include "driverlib/gpio.h"
#include "tm4c123_config.h"
#ifdef RT_USING_SERIAL
#include "driverlib/uart.h"
#endif /* RT_USING_SERIAL */
#ifdef RT_USING_ADC
#include "driverlib/adc.h"
#endif /* RT_USING_ADC */
#ifdef RT_USING_PWM
#include "driverlib/pwm.h"
#endif /* RT_USING_PWM */
#ifdef RT_USING_SPI
#include "driverlib/ssi.h"
#endif /* RT_USING_SPI */
#ifdef RT_USING_I2C
#include "driverlib/i2c.h"
#endif /* RT_USING_I2C */
#ifdef RT_USING_SERIAL
void uart_hw_config(void)
{
/* UART0 */
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA0_U0RX);
GPIOPinConfigure(GPIO_PA1_U0TX);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
/* UART1 */
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART1);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
GPIOPinConfigure(GPIO_PC4_U1RX);
GPIOPinConfigure(GPIO_PC5_U1TX);
GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_4 | GPIO_PIN_5);
}
#endif /* RT_USING_SERIAL */
#ifdef RT_USING_ADC
void adc_hw_config(void)
{
/* ADC0 */
SysCtlPeripheralEnable(SYSCTL_PERIPH_ADC0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
GPIOPinTypeADC(GPIO_PORTD_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
}
#endif /* RT_USING_ADC */
#ifdef RT_USING_PWM
void pwm_hw_config(void)
{
/* PWM7 (PWM1 module,M1PWM6 and M1PWM7) */
SysCtlPWMClockSet(SYSCTL_PWMDIV_2);
SysCtlPeripheralEnable(SYSCTL_PERIPH_PWM1);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
GPIOPinConfigure(GPIO_PF2_M1PWM6);
GPIOPinConfigure(GPIO_PF3_M1PWM7);
GPIOPinTypePWM(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);
}
#endif /* RT_USING_PWM */
#ifdef RT_USING_SPI
void spi_hw_config(void)
{
/* SPI0 */
SysCtlPeripheralEnable(SYSCTL_PERIPH_SSI0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA2_SSI0CLK);
GPIOPinConfigure(GPIO_PA4_SSI0RX);
GPIOPinConfigure(GPIO_PA5_SSI0TX);
GPIOPinTypeSSI(GPIO_PORTA_BASE, GPIO_PIN_5 | GPIO_PIN_4 | GPIO_PIN_2);
}
#endif /* RT_USING_SPI */
#ifdef RT_USING_I2C
void i2c_hw_config(void)
{
/* I2C0 */
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_GPIOPinConfigure(GPIO_PB2_I2C0SCL);
ROM_GPIOPinConfigure(GPIO_PB3_I2C0SDA);
ROM_GPIOPinTypeI2CSCL(GPIO_PORTB_BASE, GPIO_PIN_2);
ROM_GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_3);
ROM_SysCtlPeripheralDisable(SYSCTL_PERIPH_I2C0);
ROM_SysCtlPeripheralReset(SYSCTL_PERIPH_I2C0);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C0);
while (!SysCtlPeripheralReady(SYSCTL_PERIPH_I2C0));
// timeout:5ms
ROM_I2CMasterTimeoutSet(I2C0_BASE, 0x7d);
}
#endif /* RT_USING_I2C */
/************************** end of file ******************/
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