478 lines
8.8 KiB
C
478 lines
8.8 KiB
C
/*
|
|
* Copyright (c) 2021 HPMicro
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021-09-19 HPMICRO First version
|
|
*
|
|
*/
|
|
#include <rtthread.h>
|
|
#include <rtdevice.h>
|
|
#include <rtdbg.h>
|
|
#include "board.h"
|
|
#include "drv_uart.h"
|
|
#include "hpm_uart_drv.h"
|
|
#include "hpm_sysctl_drv.h"
|
|
|
|
#ifdef RT_USING_SERIAL
|
|
|
|
#define UART_ROOT_CLK_FREQ BOARD_APP_UART_SRC_FREQ
|
|
|
|
struct hpm_uart {
|
|
UART_Type *uart_base;
|
|
uint32_t irq_num;
|
|
struct rt_serial_device *serial;
|
|
char *device_name;
|
|
};
|
|
|
|
|
|
extern void init_uart_pins(UART_Type *ptr);
|
|
static void hpm_uart_isr(struct rt_serial_device *serial);
|
|
static rt_err_t hpm_uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg);
|
|
static rt_err_t hpm_uart_control(struct rt_serial_device *serial, int cmd, void *arg);
|
|
static int hpm_uart_putc(struct rt_serial_device *serial, char ch);
|
|
static int hpm_uart_getc(struct rt_serial_device *serial);
|
|
|
|
|
|
#if defined(BSP_USING_UART0)
|
|
struct rt_serial_device serial0;
|
|
void uart0_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial0);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART0,uart0_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART1)
|
|
struct rt_serial_device serial1;
|
|
void uart1_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial1);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART1,uart1_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART2)
|
|
struct rt_serial_device serial2;
|
|
void uart2_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial2);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART2,uart2_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART3)
|
|
struct rt_serial_device serial3;
|
|
void uart3_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial3);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART3,uart3_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART4)
|
|
struct rt_serial_device serial4;
|
|
void uart4_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial4);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART4,uart4_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART5)
|
|
struct rt_serial_device serial5;
|
|
void uart5_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial5);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART5,uart5_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART6)
|
|
struct rt_serial_device serial6;
|
|
void uart6_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial6);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART6,uart6_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART7)
|
|
struct rt_serial_device serial7;
|
|
void uart7_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial7);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART7,uart7_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART8)
|
|
struct rt_serial_device serial8;
|
|
void uart8_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial8);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART8,uart8_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART9)
|
|
struct rt_serial_device serial9;
|
|
void uart9_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial9);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART9,uart9_isr)
|
|
#endif
|
|
|
|
|
|
#if defined(BSP_USING_UART10)
|
|
struct rt_serial_device serial10;
|
|
void uart10_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial10);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART10,uart10_isr)
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART11)
|
|
struct rt_serial_device serial11;
|
|
void uart11_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial11);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART11,uart11_isr)
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART12)
|
|
struct rt_serial_device serial12;
|
|
void uart12_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial12);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART12,uart12_isr)
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART13)
|
|
struct rt_serial_device serial13;
|
|
void uart13_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial13);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART13,uart13_isr)
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART14)
|
|
struct rt_serial_device serial14;
|
|
void uart14_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial14);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART14,uart14_isr)
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART15)
|
|
struct rt_serial_device serial15;
|
|
void uart15_isr(void)
|
|
{
|
|
hpm_uart_isr(&serial15);
|
|
}
|
|
SDK_DECLARE_EXT_ISR_M(IRQn_UART15,uart15_isr)
|
|
#endif
|
|
|
|
static const struct hpm_uart uarts[] = {
|
|
#if defined(BSP_USING_UART0)
|
|
{
|
|
HPM_UART0,
|
|
IRQn_UART0,
|
|
&serial0,
|
|
"uart0",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART1)
|
|
{
|
|
HPM_UART1,
|
|
IRQn_UART1,
|
|
&serial1,
|
|
"uart1",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART2)
|
|
{
|
|
HPM_UART2,
|
|
IRQn_UART2,
|
|
&serial2,
|
|
"uart2",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART3)
|
|
{
|
|
HPM_UART3,
|
|
IRQn_UART3,
|
|
&serial3,
|
|
"uart3",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART4)
|
|
{
|
|
HPM_UART4,
|
|
IRQn_UART4,
|
|
&serial4,
|
|
"uart4",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART5)
|
|
{
|
|
HPM_UART5,
|
|
IRQn_UART5,
|
|
&serial5,
|
|
"uart5",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART6)
|
|
{
|
|
HPM_UART6,
|
|
IRQn_UART6,
|
|
&serial6,
|
|
"uart6",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART7)
|
|
{
|
|
HPM_UART7,
|
|
IRQn_UART7,
|
|
&serial7,
|
|
"uart7",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART8)
|
|
{
|
|
HPM_UART8,
|
|
IRQn_UART8,
|
|
&serial8,
|
|
"uart8",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART9)
|
|
{
|
|
HPM_UART9,
|
|
IRQn_UART9,
|
|
&serial9,
|
|
"uart9",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART10)
|
|
{
|
|
HPM_UART10,
|
|
IRQn_UART10,
|
|
&serial10,
|
|
"uart10",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART11)
|
|
{
|
|
HPM_UART11,
|
|
IRQn_UART11,
|
|
&serial11,
|
|
"uart11",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART12)
|
|
{
|
|
HPM_UART12,
|
|
IRQn_UART12,
|
|
&serial12,
|
|
"uart12",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART13)
|
|
{
|
|
HPM_UART13,
|
|
IRQn_UART13,
|
|
&serial13,
|
|
"uart13",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART14)
|
|
{
|
|
HPM_UART14,
|
|
IRQn_UART14,
|
|
&serial14,
|
|
"uart14",
|
|
},
|
|
#endif
|
|
|
|
#if defined(BSP_USING_UART15)
|
|
{
|
|
HPM_UART15,
|
|
IRQn_UART15,
|
|
&serial15,
|
|
"uart15",
|
|
},
|
|
#endif
|
|
|
|
};
|
|
|
|
/**
|
|
* @brief UART common interrupt process. This
|
|
*
|
|
* @param serial Serial device
|
|
*/
|
|
static void hpm_uart_isr(struct rt_serial_device *serial)
|
|
{
|
|
struct hpm_uart *uart;
|
|
|
|
RT_ASSERT(serial != RT_NULL);
|
|
|
|
uart = (struct hpm_uart *)serial->parent.user_data;
|
|
RT_ASSERT(uart != RT_NULL);
|
|
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
|
|
/* UART in mode Receiver */
|
|
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
|
|
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
|
|
|
|
static rt_err_t hpm_uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
|
|
{
|
|
|
|
RT_ASSERT(serial != RT_NULL);
|
|
RT_ASSERT(cfg != RT_NULL);
|
|
|
|
uart_config_t uart_config;
|
|
struct hpm_uart *uart = (struct hpm_uart *)serial->parent.user_data;
|
|
|
|
init_uart_pins(uart->uart_base);
|
|
uart_default_config(uart->uart_base, &uart_config);
|
|
|
|
uart_config.src_freq_in_hz = board_init_uart_clock(uart->uart_base);
|
|
uart_config.baudrate = cfg->baud_rate;
|
|
uart_config.num_of_stop_bits = cfg->stop_bits;
|
|
uart_config.parity = cfg->parity;
|
|
|
|
uart_config.word_length = cfg->data_bits - DATA_BITS_5;
|
|
|
|
board_init_uart(uart->uart_base);
|
|
uart_init(uart->uart_base, &uart_config);
|
|
|
|
hpm_uart_control(serial, RT_DEVICE_CTRL_SET_INT, NULL);
|
|
}
|
|
|
|
|
|
static rt_err_t hpm_uart_control(struct rt_serial_device *serial, int cmd, void *arg)
|
|
{
|
|
RT_ASSERT(serial != RT_NULL);
|
|
|
|
struct hpm_uart *uart = (struct hpm_uart *)serial->parent.user_data;
|
|
|
|
switch (cmd) {
|
|
case RT_DEVICE_CTRL_CLR_INT:
|
|
/* disable rx irq */
|
|
uart_disable_irq(uart->uart_base, uart_intr_rx_data_avail_or_timeout);
|
|
intc_m_disable_irq(uart->irq_num);
|
|
break;
|
|
|
|
case RT_DEVICE_CTRL_SET_INT:
|
|
/* enable rx irq */
|
|
uart_enable_irq(uart->uart_base, uart_intr_rx_data_avail_or_timeout);
|
|
intc_m_enable_irq_with_priority(uart->irq_num, 1);
|
|
break;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
|
|
static int hpm_uart_putc(struct rt_serial_device *serial, char ch)
|
|
{
|
|
struct hpm_uart *uart = (struct hpm_uart *)serial->parent.user_data;
|
|
uart_write_byte(uart->uart_base, ch);
|
|
while(!uart_check_status(uart->uart_base, uart_stat_transmitter_empty)) {
|
|
}
|
|
}
|
|
|
|
static int hpm_uart_getc(struct rt_serial_device *serial)
|
|
{
|
|
int result = -1;
|
|
struct hpm_uart *uart = (struct hpm_uart *)serial->parent.user_data;
|
|
|
|
if (uart_check_status(uart->uart_base, uart_stat_data_ready)) {
|
|
uart_receive_byte(uart->uart_base, (uint8_t*)&result);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
static const struct rt_uart_ops hpm_uart_ops = {
|
|
hpm_uart_configure,
|
|
hpm_uart_control,
|
|
hpm_uart_putc,
|
|
hpm_uart_getc,
|
|
};
|
|
|
|
|
|
|
|
int rt_hw_uart_init(void)
|
|
{
|
|
|
|
/* Added bypass logic here since the rt_hw_uart_init function will be initialized twice, the 2nd initialization should be bypassed */
|
|
static bool initialized;
|
|
rt_err_t err = RT_EOK;
|
|
if (initialized)
|
|
{
|
|
return err;
|
|
}
|
|
else
|
|
{
|
|
initialized = true;
|
|
}
|
|
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
|
|
|
|
for (uint32_t i = 0; i < sizeof(uarts) / sizeof(uarts[0]); i++) {
|
|
uarts[i].serial->ops = &hpm_uart_ops;
|
|
uarts[i].serial->config = config;
|
|
|
|
/* register UART deivce */
|
|
err = rt_hw_serial_register(uarts[i].serial,
|
|
uarts[i].device_name,
|
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
|
(void*)&uarts[i]);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
INIT_BOARD_EXPORT(rt_hw_uart_init);
|
|
|
|
#endif /* RT_USING_SERIAL */
|