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[Drivers] re-write serial framework.

This commit is contained in:
bernard 2014-07-18 06:45:54 +08:00
parent fc6747ef6c
commit c45f5a2490
14 changed files with 542 additions and 403 deletions
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24
bsp/at91sam9260/drivers/usart.c
View File

@ -95,7 +95,7 @@ void rt_at91_usart_handler(int vector, void *param)
return;
}
rt_interrupt_enter();
rt_hw_serial_isr(dev);
rt_hw_serial_isr((struct rt_serial_device *)dev, RT_SERIAL_EVENT_RX_IND);
rt_interrupt_leave();
}
@ -231,7 +231,6 @@ static const struct rt_uart_ops at91_usart_ops =
#if defined(RT_USING_DBGU)
static struct rt_serial_device serial_dbgu;
static struct serial_ringbuffer dbgu_int_rx;
struct at91_uart dbgu = {
DBGU,
AT91_ID_SYS
@ -241,7 +240,6 @@ struct at91_uart dbgu = {
#if defined(RT_USING_UART0)
static struct rt_serial_device serial0;
static struct serial_ringbuffer uart0_int_rx;
struct at91_uart uart0 = {
UART0,
AT91SAM9260_ID_US0
@ -250,7 +248,6 @@ struct at91_uart uart0 = {
#if defined(RT_USING_UART1)
static struct rt_serial_device serial1;
static struct serial_ringbuffer uart1_int_rx;
struct at91_uart uart1 = {
UART1,
AT91SAM9260_ID_US1
@ -259,7 +256,6 @@ struct at91_uart uart1 = {
#if defined(RT_USING_UART2)
static struct rt_serial_device serial2;
static struct serial_ringbuffer uart2_int_rx;
struct at91_uart uart2 = {
UART2,
AT91SAM9260_ID_US2
@ -268,7 +264,6 @@ struct at91_uart uart2 = {
#if defined(RT_USING_UART3)
static struct rt_serial_device serial3;
static struct serial_ringbuffer uart3_int_rx;
struct at91_uart uart3 = {
UART3,
AT91SAM9260_ID_US3
@ -337,29 +332,29 @@ void rt_hw_uart_init(void)
#if defined(RT_USING_DBGU)
serial_dbgu.ops = &at91_usart_ops;
serial_dbgu.int_rx = &dbgu_int_rx;
serial_dbgu.config.baud_rate = BAUD_RATE_115200;
serial_dbgu.config.bit_order = BIT_ORDER_LSB;
serial_dbgu.config.data_bits = DATA_BITS_8;
serial_dbgu.config.parity = PARITY_NONE;
serial_dbgu.config.stop_bits = STOP_BITS_1;
serial_dbgu.config.invert = NRZ_NORMAL;
serial_dbgu.config.bufsz = RT_SERIAL_RB_BUFSZ;
/* register vcom device */
rt_hw_serial_register(&serial_dbgu, "dbgu",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&dbgu);
#endif
#if defined(RT_USING_UART0)
serial0.ops = &at91_usart_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config.baud_rate = BAUD_RATE_115200;
serial0.config.bit_order = BIT_ORDER_LSB;
serial0.config.data_bits = DATA_BITS_8;
serial0.config.parity = PARITY_NONE;
serial0.config.stop_bits = STOP_BITS_1;
serial0.config.invert = NRZ_NORMAL;
serial0.config.bufsz = RT_SERIAL_RB_BUFSZ;
/* register vcom device */
rt_hw_serial_register(&serial0, "uart0",
@ -379,10 +374,11 @@ void rt_hw_uart_init(void)
serial1.config.parity = PARITY_NONE;
serial1.config.stop_bits = STOP_BITS_1;
serial1.config.invert = NRZ_NORMAL;
serial1.config.bufsz = RT_SERIAL_RB_BUFSZ;
/* register vcom device */
rt_hw_serial_register(&serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart1);
rt_hw_interrupt_install(uart1.irq, rt_at91_usart_handler,
(void *)&(serial1.parent), "UART1");
@ -391,17 +387,17 @@ void rt_hw_uart_init(void)
#if defined(RT_USING_UART2)
serial2.ops = &at91_usart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config.baud_rate = BAUD_RATE_115200;
serial2.config.bit_order = BIT_ORDER_LSB;
serial2.config.data_bits = DATA_BITS_8;
serial2.config.parity = PARITY_NONE;
serial2.config.stop_bits = STOP_BITS_1;
serial2.config.invert = NRZ_NORMAL;
serial2.config.bufsz = RT_SERIAL_RB_BUFSZ;
/* register vcom device */
rt_hw_serial_register(&serial2, "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart2);
rt_hw_interrupt_install(uart2.irq, rt_at91_usart_handler,
(void *)&(serial2.parent), "UART2");
@ -410,17 +406,17 @@ void rt_hw_uart_init(void)
#if defined(RT_USING_UART3)
serial3.ops = &at91_usart_ops;
serial3.int_rx = &uart3_int_rx;
serial3.config.baud_rate = BAUD_RATE_115200;
serial3.config.bit_order = BIT_ORDER_LSB;
serial3.config.data_bits = DATA_BITS_8;
serial3.config.parity = PARITY_NONE;
serial3.config.stop_bits = STOP_BITS_1;
serial3.config.invert = NRZ_NORMAL;
serial3.config.bufsz = RT_SERIAL_RB_BUFSZ;
/* register vcom device */
rt_hw_serial_register(&serial3, "uart3",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart3);
rt_hw_interrupt_install(uart3.irq, rt_at91_usart_handler,
(void *)&(serial3.parent), "UART3");

36
bsp/beaglebone/drivers/serial.c
View File

@ -41,7 +41,7 @@ static void am33xx_uart_isr(int irqno, void* param)
if ((iir & (0x02 << 1)) || (iir & (0x6 << 1)))
{
rt_hw_serial_isr(serial);
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
}
}
@ -165,7 +165,6 @@ static const struct rt_uart_ops am33xx_uart_ops =
/* UART device driver structure */
#ifdef RT_USING_UART0
struct serial_ringbuffer uart0_int_rx;
struct am33xx_uart uart0 =
{
UART0_BASE,
@ -175,7 +174,6 @@ struct rt_serial_device serial0;
#endif
#ifdef RT_USING_UART1
struct serial_ringbuffer uart1_int_rx;
struct am33xx_uart uart1 =
{
UART1_BASE,
@ -185,7 +183,6 @@ struct rt_serial_device serial1;
#endif
#ifdef RT_USING_UART2
struct serial_ringbuffer uart2_int_rx;
struct am33xx_uart uart2 =
{
UART2_BASE,
@ -195,7 +192,6 @@ struct rt_serial_device serial2;
#endif
#ifdef RT_USING_UART3
struct serial_ringbuffer uart3_int_rx;
struct am33xx_uart uart3 =
{
UART3_BASE,
@ -205,7 +201,6 @@ struct rt_serial_device serial3;
#endif
#ifdef RT_USING_UART4
struct serial_ringbuffer uart4_int_rx;
struct am33xx_uart uart4 =
{
UART4_BASE,
@ -215,7 +210,6 @@ struct rt_serial_device serial4;
#endif
#ifdef RT_USING_UART5
struct serial_ringbuffer uart5_int_rx;
struct am33xx_uart uart5 =
{
UART5_BASE,
@ -359,8 +353,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial0.ops = &am33xx_uart_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config = config;
/* enable RX interrupt */
UART_IER_REG(uart0.base) = 0x01;
@ -370,7 +365,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart0.irq);
/* register UART0 device */
rt_hw_serial_register(&serial0, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart0);
#endif
@ -381,8 +376,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial1.ops = &am33xx_uart_ops;
serial1.int_rx = &uart1_int_rx;
serial1.config = config;
/* enable RX interrupt */
UART_IER_REG(uart1.base) = 0x01;
@ -392,7 +388,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart1.irq);
/* register UART0 device */
rt_hw_serial_register(&serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart1);
#endif
@ -403,8 +399,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial2.ops = &am33xx_uart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
/* enable RX interrupt */
UART_IER_REG(uart2.base) = 0x01;
@ -414,7 +411,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart2.irq);
/* register UART2 device */
rt_hw_serial_register(&serial2, "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart2);
#endif
@ -425,8 +422,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial3.ops = &am33xx_uart_ops;
serial3.int_rx = &uart_3_int_rx;
serial3.config = config;
/* enable RX interrupt */
UART_IER_REG(uart3.base) = 0x01;
@ -436,7 +434,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart3.irq);
/* register UART3 device */
rt_hw_serial_register(&serial3, "uart3",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart3);
#endif
@ -447,9 +445,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial4.ops = &am33xx_uart_ops;
serial4.int_rx = &uart4_int_rx;
serial4.config = config;
/* enable RX interrupt */
UART_IER_REG(uart4.base) = 0x01;
@ -459,7 +457,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart4.irq);
/* register UART4 device */
rt_hw_serial_register(&serial4, "uart4",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart4);
#endif
@ -470,9 +468,9 @@ int rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial5.ops = &am33xx_uart_ops;
serial5.int_rx = &uart5_int_rx;
serial5.config = config;
/* enable RX interrupt */
UART_IER_REG(uart5.base) = 0x01;
@ -482,7 +480,7 @@ int rt_hw_serial_init(void)
rt_hw_interrupt_mask(uart5.irq);
/* register UART4 device */
rt_hw_serial_register(&serial5, "uart5",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&uart5);
#endif

5
bsp/frdm-k64f/board/drv_uart.c
View File

@ -16,7 +16,6 @@
#include "drv_uart.h"
static struct rt_serial_device _k64_serial; //abstracted serial for RTT
static struct serial_ringbuffer _k64_int_rx; //UART send buffer area
struct k64_serial_device
{
@ -231,7 +230,7 @@ static const struct rt_uart_ops _k64_ops =
void UART0_RX_TX_IRQHandler(void)
{
rt_interrupt_enter();
rt_hw_serial_isr((struct rt_serial_device*)&_k64_serial);
rt_hw_serial_isr((struct rt_serial_device*)&_k64_serial, RT_SERIAL_EVENT_RX_IND);
rt_interrupt_leave();
}
@ -247,9 +246,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
_k64_serial.ops = &_k64_ops;
_k64_serial.int_rx = &_k64_int_rx;
_k64_serial.config = config;
rt_hw_serial_register(&_k64_serial, "uart0",

10
bsp/lpc408x/drivers/drv_uart.c
View File

@ -118,7 +118,6 @@ static const struct rt_uart_ops lpc_uart_ops =
#if defined(RT_USING_UART0)
/* UART0 device driver structure */
struct serial_ringbuffer uart0_int_rx;
struct lpc_uart uart0 =
{
UART_0,
@ -158,7 +157,7 @@ void UART0_IRQHandler(void)
// Receive Data Available or Character time-out
if ((tmp == UART_IIR_INTID_RDA) || (tmp == UART_IIR_INTID_CTI))
{
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
}
/* leave interrupt */
@ -167,7 +166,6 @@ void UART0_IRQHandler(void)
#endif
#if defined(RT_USING_UART2)
/* UART2 device driver structure */
struct serial_ringbuffer uart2_int_rx;
struct lpc_uart uart2 =
{
UART_2,
@ -207,7 +205,7 @@ void UART2_IRQHandler(void)
// Receive Data Available or Character time-out
if ((tmp == UART_IIR_INTID_RDA) || (tmp == UART_IIR_INTID_CTI))
{
rt_hw_serial_isr(&serial2);
rt_hw_serial_isr(&serial2, RT_SERIAL_EVENT_RX_IND);
}
/* leave interrupt */
@ -227,9 +225,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial0.ops = &lpc_uart_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config = config;
/*
@ -259,9 +257,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial2.ops = &lpc_uart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
/*

14
bsp/lpc43xx/drivers/drv_uart.c
View File

@ -97,7 +97,6 @@ static const struct rt_uart_ops lpc_uart_ops =
#if defined(RT_USING_UART0)
/* UART0 device driver structure */
struct serial_ringbuffer uart0_int_rx;
struct lpc_uart uart0 =
{
LPC_USART0,
@ -136,7 +135,7 @@ void UART0_IRQHandler(void)
/* read the data to buffer */
while (uart->USART->LSR & UART_LSR_RDR)
{
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
}
break;
@ -150,7 +149,6 @@ void UART0_IRQHandler(void)
#endif
#if defined(RT_USING_UART2)
/* UART2 device driver structure */
struct serial_ringbuffer uart2_int_rx;
struct lpc_uart uart2 =
{
LPC_USART2,
@ -189,7 +187,7 @@ void UART2_IRQHandler(void)
/* read the data to buffer */
while (uart->USART->LSR & UART_LSR_RDR)
{
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
}
break;
@ -214,9 +212,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial0.ops = &lpc_uart_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config = config;
/* Enable GPIO register interface clock */
@ -256,7 +254,7 @@ void rt_hw_uart_init(void)
/* register UART1 device */
rt_hw_serial_register(&serial0, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif
#ifdef RT_USING_UART2
@ -267,9 +265,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial2.ops = &lpc_uart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
/* Enable GPIO register interface clock */
@ -309,7 +307,7 @@ void rt_hw_uart_init(void)
/* register UART1 device */
rt_hw_serial_register(&serial2, "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif
}

40
bsp/mb9bf506r/drivers/fm3_uart.c
View File

@ -20,7 +20,6 @@
#if (defined(RT_USING_UART0_0) || defined(RT_USING_UART0_1))
/* UART0 device driver structure */
struct serial_ringbuffer uart0_int_rx;
struct uart03_device uart0 =
{
FM3_MFS0_UART,
@ -33,7 +32,7 @@ void MFS0RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -41,7 +40,6 @@ void MFS0RX_IRQHandler(void)
#if (defined(RT_USING_UART1_0) || defined(RT_USING_UART1_1))
/* UART1 device driver structure */
struct serial_ringbuffer uart1_int_rx;
struct uart03_device uart1 =
{
FM3_MFS1_UART,
@ -54,7 +52,7 @@ void MFS1RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial1);
rt_hw_serial_isr(&serial1, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -62,7 +60,6 @@ void MFS1RX_IRQHandler(void)
#if (defined(RT_USING_UART2_0) || defined(RT_USING_UART2_1) || defined(RT_USING_UART2_2))
/* UART2 device driver structure */
struct serial_ringbuffer uart2_int_rx;
struct uart03_device uart2 =
{
FM3_MFS2_UART,
@ -75,7 +72,7 @@ void MFS2RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial2);
rt_hw_serial_isr(&serial2, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -83,7 +80,6 @@ void MFS2RX_IRQHandler(void)
#if (defined(RT_USING_UART3_0) || defined(RT_USING_UART3_1) || defined(RT_USING_UART3_2))
/* UART3 device driver structure */
struct serial_ringbuffer uart3_int_rx;
struct uart03_device uart3 =
{
FM3_MFS3_UART,
@ -96,7 +92,7 @@ void MFS3RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial3);
rt_hw_serial_isr(&serial3, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -104,7 +100,6 @@ void MFS3RX_IRQHandler(void)
#if (defined(RT_USING_UART4_0) || defined(RT_USING_UART4_1) || defined(RT_USING_UART4_2))
/* UART4 device driver structure */
struct serial_ringbuffer uart4_int_rx;
struct uart47_device uart4 =
{
FM3_MFS4_UART,
@ -118,7 +113,7 @@ void MFS4RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial4);
rt_hw_serial_isr(&serial4, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -126,7 +121,6 @@ void MFS4RX_IRQHandler(void)
#if (defined(RT_USING_UART5_0) || defined(RT_USING_UART5_1) || defined(RT_USING_UART5_2))
/* UART5 device driver structure */
struct serial_ringbuffer uart5_int_rx;
struct uart47_device uart5 =
{
FM3_MFS5_UART,
@ -140,7 +134,7 @@ void MFS5RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial5);
rt_hw_serial_isr(&serial5, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -148,7 +142,6 @@ void MFS5RX_IRQHandler(void)
#if (defined(RT_USING_UART6_0) || defined(RT_USING_UART6_1))
/* UART6 device driver structure */
struct serial_ringbuffer uart6_int_rx;
struct uart47_device uart6 =
{
FM3_MFS6_UART,
@ -162,7 +155,7 @@ void MFS6RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial6);
rt_hw_serial_isr(&serial6, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -170,7 +163,6 @@ void MFS6RX_IRQHandler(void)
#if (defined(RT_USING_UART7_0) || defined(RT_USING_UART7_1))
/* UART7 device driver structure */
struct serial_ringbuffer uart7_int_rx;
struct uart47_device uart7 =
{
FM3_MFS7_UART,
@ -184,7 +176,7 @@ void MFS7RX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&serial7);
rt_hw_serial_isr(&serial7, RT_SERIAL_EVENT_RX_IND);
/* leave interrupt */
rt_interrupt_leave();
}
@ -796,9 +788,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial0.ops = &uart03_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config = config;
/* register UART0 device */
@ -814,9 +806,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial1.ops = &uart03_ops;
serial1.int_rx = &uart1_int_rx;
serial1.config = config;
/* register UART1 device */
@ -833,9 +825,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial2.ops = &uart03_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
/* register UART2 device */
@ -852,9 +844,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial3.ops = &uart03_ops;
serial3.int_rx = &uart3_int_rx;
serial3.config = config;
/* register UART3 device */
@ -871,9 +863,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial4.ops = &uart47_ops;
serial4.int_rx = &uart4_int_rx;
serial4.config = config;
/* register UART4 device */
@ -890,9 +882,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial5.ops = &uart47_ops;
serial5.int_rx = &uart5_int_rx;
serial5.config = config;
/* register UART5 device */
@ -909,9 +901,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial6.ops = &uart47_ops;
serial6.int_rx = &uart6_int_rx;
serial6.config = config;
/* register UART6 device */
@ -928,9 +920,9 @@ void rt_hw_serial_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial7.ops = &uart47_ops;
serial7.int_rx = &uart7_int_rx;
serial7.config = config;
/* register UART7 device */

13
bsp/realview-a8/drivers/serial.c
View File

@ -58,7 +58,7 @@ static void rt_hw_uart_isr(int irqno, void *param)
{
struct rt_serial_device *serial = (struct rt_serial_device *)param;
rt_hw_serial_isr(serial);
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
}
static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
@ -131,7 +131,6 @@ static const struct rt_uart_ops _uart_ops =
#ifdef RT_USING_UART0
/* UART device driver structure */
static struct serial_ringbuffer _uart0_int_rx;
static struct hw_uart_device _uart0_device =
{
REALVIEW_UART0_BASE,
@ -142,7 +141,6 @@ static struct rt_serial_device _serial0;
#ifdef RT_USING_UART1
/* UART1 device driver structure */
static struct serial_ringbuffer _uart1_int_rx;
static struct hw_uart_device _uart1_device =
{
REALVIEW_UART1_BASE,
@ -167,7 +165,8 @@ int rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
#ifdef RT_USING_UART0
uart = &_uart0_device;
#ifdef RT_USING_VMM
@ -175,12 +174,11 @@ int rt_hw_uart_init(void)
#endif
_serial0.ops = &_uart_ops;
_serial0.int_rx = &_uart0_int_rx;
_serial0.config = config;
/* register UART1 device */
rt_hw_serial_register(&_serial0, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
/* enable Rx and Tx of UART */
UART_CR(uart->hw_base) = (1 << 0) | (1 << 8) | (1 << 9);
@ -192,12 +190,11 @@ int rt_hw_uart_init(void)
uart->hw_base = vmm_find_iomap("UART1");
#endif
_serial1.ops = &_uart_ops;
_serial1.int_rx = &_uart1_int_rx;
_serial1.config = config;
/* register UART1 device */
rt_hw_serial_register(&_serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, uart);
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, uart);
/* enable Rx and Tx of UART */
UART_CR(uart->hw_base) = (1 << 0) | (1 << 8) | (1 << 9);
#endif

6
bsp/rm48x50/drivers/drv_uart.c
View File

@ -178,11 +178,10 @@ static const struct rt_uart_ops _sci_ops =
static void _irq_wrapper(int vector, void *param)
{
rt_hw_serial_isr((struct rt_serial_device*)param);
rt_hw_serial_isr((struct rt_serial_device*)param, RT_SERIAL_EVENT_RX_IND);
}
static struct rt_serial_device _sci2_serial;
static struct serial_ringbuffer _sci2_int_rx;
void rt_hw_uart_init(void)
{
@ -195,9 +194,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
_sci2_serial.ops = &_sci_ops;
_sci2_serial.int_rx = &_sci2_int_rx;
_sci2_serial.config = config;
rt_hw_serial_register(&_sci2_serial, "sci2",
@ -208,3 +207,4 @@ void rt_hw_uart_init(void)
rt_hw_interrupt_install(SCI_INT_VEC, _irq_wrapper, &_sci2_serial, "sci2");
rt_hw_interrupt_umask(SCI_INT_VEC);
}

10
bsp/stm32f0x/drivers/usart.c
View File

@ -134,7 +134,6 @@ static const struct rt_uart_ops stm32_uart_ops =
#if defined(RT_USING_UART1)
/* UART1 device driver structure */
struct serial_ringbuffer uart1_int_rx;
struct stm32_uart uart1 =
{
USART1,
@ -152,7 +151,7 @@ void USART1_IRQHandler(void)
rt_interrupt_enter();
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
{
rt_hw_serial_isr(&serial1);
rt_hw_serial_isr(&serial1, RT_SERIAL_EVENT_RX_IND);
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
}
@ -169,7 +168,6 @@ void USART1_IRQHandler(void)
#if defined(RT_USING_UART2)
/* UART2 device driver structure */
struct serial_ringbuffer uart2_int_rx;
struct stm32_uart uart2 =
{
USART2,
@ -187,7 +185,7 @@ void USART2_IRQHandler(void)
rt_interrupt_enter();
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
{
rt_hw_serial_isr(&serial2);
rt_hw_serial_isr(&serial2, RT_SERIAL_EVENT_RX_IND);
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
}
@ -281,14 +279,13 @@ void rt_hw_usart_init(void)
config.baud_rate = BAUD_RATE_115200;
serial1.ops = &stm32_uart_ops;
serial1.int_rx = &uart1_int_rx;
serial1.config = config;
NVIC_Configuration(&uart1);
/* register UART1 device */
rt_hw_serial_register(&serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_UART1 */
@ -297,7 +294,6 @@ void rt_hw_usart_init(void)
config.baud_rate = BAUD_RATE_115200;
serial2.ops = &stm32_uart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
NVIC_Configuration(&uart2);

16
bsp/xplorer4330/drivers/drv_uart.c
View File

@ -97,7 +97,6 @@ static const struct rt_uart_ops lpc_uart_ops =
#if defined(RT_USING_UART0)
/* UART0 device driver structure */
struct serial_ringbuffer uart0_int_rx;
struct lpc_uart uart0 =
{
LPC_USART0,
@ -136,7 +135,7 @@ void UART0_IRQHandler(void)
/* read the data to buffer */
while (uart->USART->LSR & UART_LSR_RDR)
{
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
}
break;
@ -150,7 +149,6 @@ void UART0_IRQHandler(void)
#endif
#if defined(RT_USING_UART2)
/* UART2 device driver structure */
struct serial_ringbuffer uart2_int_rx;
struct lpc_uart uart2 =
{
LPC_USART2,
@ -189,7 +187,7 @@ void UART2_IRQHandler(void)
/* read the data to buffer */
while (uart->USART->LSR & UART_LSR_RDR)
{
rt_hw_serial_isr(&serial0);
rt_hw_serial_isr(&serial0, RT_SERIAL_EVENT_RX_IND);
}
break;
@ -214,9 +212,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial0.ops = &lpc_uart_ops;
serial0.int_rx = &uart0_int_rx;
serial0.config = config;
/* Enable GPIO register interface clock */
@ -256,7 +254,7 @@ void rt_hw_uart_init(void)
/* register UART1 device */
rt_hw_serial_register(&serial0, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif
#ifdef RT_USING_UART2
@ -267,9 +265,9 @@ void rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
serial2.ops = &lpc_uart_ops;
serial2.int_rx = &uart2_int_rx;
serial2.config = config;
/* Enable GPIO register interface clock */
@ -309,7 +307,7 @@ void rt_hw_uart_init(void)
/* register UART1 device */
rt_hw_serial_register(&serial2, "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif
}

11
bsp/zynq7000/drivers/uart.c
View File

@ -98,7 +98,7 @@ static void rt_hw_uart_isr(int irqno, void *param)
{
struct rt_serial_device *serial = (struct rt_serial_device *)param;
rt_hw_serial_isr(serial);
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
}
static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
@ -267,9 +267,7 @@ static struct hw_uart_device _uart_device1 =
.txmio = (rt_uint32_t*)(Zynq7000_SLCR_BASE+0x07C0), /* MIO48 */
};
static struct serial_ringbuffer _uart_int_rx0;
static struct rt_serial_device _serial0;
static struct serial_ringbuffer _uart_int_rx1;
static struct rt_serial_device _serial1;
int rt_hw_uart_init(void)
@ -282,21 +280,20 @@ int rt_hw_uart_init(void)
config.parity = PARITY_NONE;
config.stop_bits = STOP_BITS_1;
config.invert = NRZ_NORMAL;
config.bufsz = RT_SERIAL_RB_BUFSZ;
_serial0.ops = &_uart_ops;
_serial0.int_rx = &_uart_int_rx0;
_serial0.config = config;
_serial1.ops = &_uart_ops;
_serial1.int_rx = &_uart_int_rx1;
_serial1.config = config;
/* register uart device */
rt_hw_serial_register(&_serial0, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&_uart_device0);
rt_hw_serial_register(&_serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&_uart_device1);
return 0;
}

67
components/drivers/include/drivers/serial.h
View File

@ -70,6 +70,15 @@
#define RT_DEVICE_CTRL_CLR_INT 0x11 /* disable receive irq */
#define RT_DEVICE_CTRL_GET_INT 0x12
#define RT_SERIAL_EVENT_RX_IND 0x01 /* Rx indication */
#define RT_SERIAL_EVENT_TX_DONE 0x02 /* Tx complete */
#define RT_SERIAL_EVENT_RX_DMADONE 0x03 /* Rx DMA transfer done */
#define RT_SERIAL_EVENT_TX_DMADONE 0x04 /* Tx DMA transfer done */
#define RT_SERIAL_EVENT_RX_TIMEOUT 0x05 /* Rx timeout */
#define RT_SERIAL_DMA_RX 0x01
#define RT_SERIAL_DMA_TX 0x02
#define RT_SERIAL_RX_INT 0x01
#define RT_SERIAL_TX_INT 0x02
@ -89,24 +98,51 @@
PARITY_NONE, /* No parity */ \
BIT_ORDER_LSB, /* LSB first sent */ \
NRZ_NORMAL, /* Normal mode */ \
RT_SERIAL_RB_BUFSZ, /* Buffer size */ \
0 \
}
struct serial_ringbuffer
{
rt_uint8_t buffer[RT_SERIAL_RB_BUFSZ];
rt_uint16_t put_index, get_index;
};
struct serial_configure
{
rt_uint32_t baud_rate;
rt_uint32_t data_bits :4;
rt_uint32_t stop_bits :2;
rt_uint32_t parity :2;
rt_uint32_t bit_order :1;
rt_uint32_t invert :1;
rt_uint32_t reserved :20;
rt_uint32_t bufsz :16;
rt_uint32_t reserved :4;
};
/*
* Serial FIFO mode
*/
struct rt_serial_rx_fifo
{
/* software fifo */
rt_uint8_t *buffer;
rt_uint16_t put_index, get_index;
};
struct rt_serial_tx_fifo
{
struct rt_completion completion;
};
/*
* Serial DMA mode
*/
struct rt_serial_rx_dma
{
rt_bool_t activated;
};
struct rt_serial_tx_dma
{
rt_bool_t activated;
struct rt_data_queue data_queue;
};
struct rt_serial_device
@ -116,14 +152,8 @@ struct rt_serial_device
const struct rt_uart_ops *ops;
struct serial_configure config;
/* rx structure */
struct serial_ringbuffer *int_rx;
/* tx structure */
struct serial_ringbuffer *int_tx;
struct rt_data_queue tx_dq; /* tx dataqueue */
volatile rt_bool_t dma_flag; /* dma transfer flag */
void *serial_rx;
void *serial_tx;
};
typedef struct rt_serial_device rt_serial_t;
@ -138,14 +168,15 @@ struct rt_uart_ops
int (*putc)(struct rt_serial_device *serial, char c);
int (*getc)(struct rt_serial_device *serial);
rt_size_t (*dma_transmit)(struct rt_serial_device *serial, const char *buf, rt_size_t size);
rt_size_t (*dma_transmit)(struct rt_serial_device *serial, const rt_uint8_t *buf, rt_size_t size, int direction);
};
void rt_hw_serial_isr(struct rt_serial_device *serial);
void rt_hw_serial_dma_tx_isr(struct rt_serial_device *serial);
void rt_hw_serial_isr(struct rt_serial_device *serial, int event);
rt_err_t rt_hw_serial_register(struct rt_serial_device *serial,
const char *name,
rt_uint32_t flag,
void *data);
#endif

691
components/drivers/serial/serial.c
View File

@ -25,104 +25,197 @@
* 2012-11-23 bernard fix compiler warning.
* 2013-02-20 bernard use RT_SERIAL_RB_BUFSZ to define
* the size of ring buffer.
* 2014-07-10 bernard rewrite serial framework
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
rt_inline void serial_ringbuffer_init(struct serial_ringbuffer *rbuffer)
/*
* Serial poll routines
*/
rt_inline int _serial_poll_rx(struct rt_serial_device *serial, rt_uint8_t *data, int length)
{
rt_memset(rbuffer->buffer, 0, sizeof(rbuffer->buffer));
rbuffer->put_index = 0;
rbuffer->get_index = 0;
int ch;
int size;
RT_ASSERT(serial != RT_NULL);
size = length;
while (length)
{
ch = serial->ops->getc(serial);
*data = ch;
data ++; length --;
if (ch == '\n') break;
}
return size - length;
}
rt_inline void serial_ringbuffer_putc(struct serial_ringbuffer *rbuffer,
char ch)
rt_inline int _serial_poll_tx(struct rt_serial_device *serial, const rt_uint8_t *data, int length)
{
rt_base_t level;
int size;
RT_ASSERT(serial != RT_NULL);
/* disable interrupt */
level = rt_hw_interrupt_disable();
size = length;
while (length)
{
/*
* to be polite with serial console add a line feed
* to the carriage return character
*/
if (*data == '\n' && (serial->parent.flag & RT_DEVICE_FLAG_STREAM))
{
serial->ops->putc(serial, '\r');
}
serial->ops->putc(serial, *data);
++ data;
-- length;
}
rbuffer->buffer[rbuffer->put_index] = ch;
rbuffer->put_index = (rbuffer->put_index + 1) & (RT_SERIAL_RB_BUFSZ - 1);
/* if the next position is read index, discard this 'read char' */
if (rbuffer->put_index == rbuffer->get_index)
{
rbuffer->get_index = (rbuffer->get_index + 1) & (RT_SERIAL_RB_BUFSZ - 1);
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
return size - length;
}
rt_inline int serial_ringbuffer_putchar(struct serial_ringbuffer *rbuffer,
char ch)
/*
* Serial interrupt routines
*/
rt_inline int _serial_int_rx(struct rt_serial_device *serial, rt_uint8_t *data, int length)
{
rt_base_t level;
rt_uint16_t next_index;
int size;
struct rt_serial_rx_fifo* rx_fifo;
/* disable interrupt */
level = rt_hw_interrupt_disable();
RT_ASSERT(serial != RT_NULL);
size = length;
rx_fifo = (struct rt_serial_rx_fifo*) serial->serial_rx;
RT_ASSERT(rx_fifo != RT_NULL);
next_index = (rbuffer->put_index + 1) & (RT_SERIAL_RB_BUFSZ - 1);
if (next_index != rbuffer->get_index)
{
rbuffer->buffer[rbuffer->put_index] = ch;
rbuffer->put_index = next_index;
}
else
{
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* read from software FIFO */
while (length)
{
int ch;
rt_base_t level;
return -1;
}
/* disable interrupt */
level = rt_hw_interrupt_disable();
if (rx_fifo->get_index != rx_fifo->put_index)
{
ch = rx_fifo->buffer[rx_fifo->get_index];
rx_fifo->get_index += 1;
if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0;
}
else
{
/* no data, enable interrupt and break out */
rt_hw_interrupt_enable(level);
break;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* enable interrupt */
rt_hw_interrupt_enable(level);
return 1;
*data = ch & 0xff;
data ++; length --;
}
return size - length;
}
rt_inline int serial_ringbuffer_getc(struct serial_ringbuffer *rbuffer)
rt_inline int _serial_int_tx(struct rt_serial_device *serial, const rt_uint8_t *data, int length)
{
int ch;
rt_base_t level;
int size;
struct rt_serial_tx_fifo *tx;
RT_ASSERT(serial != RT_NULL);
ch = -1;
/* disable interrupt */
level = rt_hw_interrupt_disable();
if (rbuffer->get_index != rbuffer->put_index)
{
ch = rbuffer->buffer[rbuffer->get_index];
rbuffer->get_index = (rbuffer->get_index + 1) & (RT_SERIAL_RB_BUFSZ - 1);
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
size = length;
tx = (struct rt_serial_tx_fifo*) serial->serial_tx;
RT_ASSERT(tx != RT_NULL);
return ch;
while (length)
{
if (serial->ops->putc(serial, *(char*)data) == -1)
{
rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);
continue;
}
data ++; length --;
}
return size - length;
}
rt_inline rt_uint32_t serial_ringbuffer_size(struct serial_ringbuffer *rbuffer)
/*
* Serial DMA routines
*/
rt_inline int _serial_dma_rx(struct rt_serial_device *serial, rt_uint8_t *data, int length)
{
rt_uint32_t size;
rt_base_t level;
rt_base_t level;
int result = RT_EOK;
struct rt_serial_rx_dma *rx_dma;
level = rt_hw_interrupt_disable();
size = (rbuffer->put_index - rbuffer->get_index) & (RT_SERIAL_RB_BUFSZ - 1);
rt_hw_interrupt_enable(level);
RT_ASSERT((serial != RT_NULL) && (data != RT_NULL));
rx_dma = (struct rt_serial_rx_dma*)serial->serial_rx;
RT_ASSERT(rx_dma != RT_NULL);
return size;
level = rt_hw_interrupt_disable();
if (rx_dma->activated != RT_TRUE)
{
rx_dma->activated = RT_TRUE;
serial->ops->dma_transmit(serial, data, length, RT_SERIAL_DMA_RX);
}
else result = -RT_EBUSY;
rt_hw_interrupt_enable(level);
if (result == RT_EOK) return length;
rt_set_errno(result);
return 0;
}
rt_inline int _serial_dma_tx(struct rt_serial_device *serial, const rt_uint8_t *data, int length)
{
rt_base_t level;
rt_err_t result;
struct rt_serial_tx_dma *tx_dma;
tx_dma = (struct rt_serial_tx_dma*)(serial->serial_tx);
result = rt_data_queue_push(&(tx_dma->data_queue), data, length, RT_WAITING_FOREVER);
if (result == RT_EOK)
{
level = rt_hw_interrupt_disable();
if (tx_dma->activated != RT_TRUE)
{
tx_dma->activated = RT_TRUE;
rt_hw_interrupt_enable(level);
/* make a DMA transfer */
serial->ops->dma_transmit(serial, data, length, RT_SERIAL_DMA_TX);
}
else
{
rt_hw_interrupt_enable(level);
}
return length;
}
else
{
rt_set_errno(result);
return 0;
}
}
/* RT-Thread Device Interface */
/*
* This function initializes serial
* This function initializes serial device.
*/
static rt_err_t rt_serial_init(struct rt_device *dev)
{
@ -132,58 +225,107 @@ static rt_err_t rt_serial_init(struct rt_device *dev)
RT_ASSERT(dev != RT_NULL);
serial = (struct rt_serial_device *)dev;
if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
{
/* apply configuration */
if (serial->ops->configure)
result = serial->ops->configure(serial, &serial->config);
/* initialize rx/tx */
serial->serial_rx = RT_NULL;
serial->serial_tx = RT_NULL;
if (result != RT_EOK)
return result;
/* apply configuration */
if (serial->ops->configure)
result = serial->ops->configure(serial, &serial->config);
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
serial_ringbuffer_init(serial->int_rx);
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
/* not supported yet */
/*
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_NULL);
serial_ringbuffer_init(serial->int_tx);
serial->int_sending_flag = RT_FALSE;
*/
}
if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
serial->dma_flag = RT_FALSE;
/* init data queue */
rt_data_queue_init(&(serial->tx_dq), RT_SERIAL_TX_DATAQUEUE_SIZE,
RT_SERIAL_TX_DATAQUEUE_LWM, RT_NULL);
}
}
return result;
return result;
}
static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag)
{
struct rt_serial_device *serial;
rt_uint32_t int_flags = 0;
RT_ASSERT(dev != RT_NULL);
serial = (struct rt_serial_device *)dev;
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
int_flags = RT_SERIAL_RX_INT;
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
int_flags |= RT_SERIAL_TX_INT;
/* check device flag with the open flag */
if ((oflag & RT_DEVICE_FLAG_DMA_RX) && !(dev->flag & RT_DEVICE_FLAG_DMA_RX))
return -RT_EIO;
if ((oflag & RT_DEVICE_FLAG_DMA_TX) && !(dev->flag & RT_DEVICE_FLAG_DMA_TX))
return -RT_EIO;
if ((oflag & RT_DEVICE_FLAG_INT_RX) && !(dev->flag & RT_DEVICE_FLAG_INT_RX))
return -RT_EIO;
if ((oflag & RT_DEVICE_FLAG_INT_TX) && !(dev->flag & RT_DEVICE_FLAG_INT_TX))
return -RT_EIO;
if (int_flags)
{
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)int_flags);
}
/* get open flags */
dev->open_flag = oflag & 0xff;
/* initialize the Rx/Tx structure according to open flag */
if (serial->serial_rx == RT_NULL)
{
if (oflag & RT_DEVICE_FLAG_DMA_RX)
{
struct rt_serial_rx_dma* rx_dma;
rx_dma = (struct rt_serial_rx_dma*) rt_malloc (sizeof(struct rt_serial_rx_dma));
RT_ASSERT(rx_dma != RT_NULL);
rx_dma->activated = RT_FALSE;
serial->serial_rx = rx_dma;
dev->open_flag |= RT_DEVICE_FLAG_DMA_RX;
}
else if (oflag & RT_DEVICE_FLAG_INT_RX)
{
struct rt_serial_rx_fifo* rx_fifo;
rx_fifo = (struct rt_serial_rx_fifo*) rt_malloc (sizeof(struct rt_serial_rx_fifo) +
serial->config.bufsz);
RT_ASSERT(rx_fifo != RT_NULL);
rx_fifo->buffer = (rt_uint8_t*) (rx_fifo + 1);
rt_memset(rx_fifo->buffer, 0, RT_SERIAL_RB_BUFSZ);
rx_fifo->put_index = 0;
rx_fifo->get_index = 0;
serial->serial_rx = rx_fifo;
dev->open_flag |= RT_DEVICE_FLAG_INT_RX;
/* configure low level device */
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_DEVICE_FLAG_INT_RX);
}
else
{
serial->serial_rx = RT_NULL;
}
}
if (serial->serial_tx == RT_NULL)
{
if (oflag & RT_DEVICE_FLAG_DMA_TX)
{
struct rt_serial_tx_dma* tx_dma;
tx_dma = (struct rt_serial_tx_dma*) rt_malloc (sizeof(struct rt_serial_tx_dma));
RT_ASSERT(tx_dma != RT_NULL);
rt_data_queue_init(&(tx_dma->data_queue), 8, 4, RT_NULL);
serial->serial_tx = tx_dma;
dev->open_flag |= RT_DEVICE_FLAG_DMA_TX;
}
else if (oflag & RT_DEVICE_FLAG_INT_TX)
{
struct rt_serial_tx_fifo *tx_fifo;
tx_fifo = (struct rt_serial_tx_fifo*) rt_malloc(sizeof(struct rt_serial_tx_fifo));
RT_ASSERT(tx_fifo != RT_NULL);
rt_completion_init(&(tx_fifo->completion));
serial->serial_tx = tx_fifo;
dev->open_flag |= RT_DEVICE_FLAG_INT_TX;
/* configure low level device */
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_DEVICE_FLAG_INT_TX);
}
else
{
serial->serial_tx = RT_NULL;
}
}
return RT_EOK;
}
@ -191,20 +333,62 @@ static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag)
static rt_err_t rt_serial_close(struct rt_device *dev)
{
struct rt_serial_device *serial;
rt_uint32_t int_flags = 0;
RT_ASSERT(dev != RT_NULL);
serial = (struct rt_serial_device *)dev;
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
int_flags = RT_SERIAL_RX_INT;
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
int_flags |= RT_SERIAL_TX_INT;
/* this device has more reference count */
if (dev->ref_count > 1) return RT_EOK;
if (dev->open_flag & RT_DEVICE_FLAG_INT_RX)
{
struct rt_serial_rx_fifo* rx_fifo;
if (int_flags)
{
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void *)int_flags);
}
rx_fifo = (struct rt_serial_rx_fifo*)serial->serial_rx;
RT_ASSERT(rx_fifo != RT_NULL);
rt_free(rx_fifo);
serial->serial_rx = RT_NULL;
dev->open_flag &= ~RT_DEVICE_FLAG_INT_RX;
/* configure low level device */
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void*)RT_DEVICE_FLAG_INT_TX);
}
else if (dev->open_flag & RT_DEVICE_FLAG_DMA_RX)
{
struct rt_serial_rx_dma* rx_dma;
rx_dma = (struct rt_serial_rx_dma*)serial->serial_tx;
RT_ASSERT(rx_dma != RT_NULL);
rt_free(rx_dma);
serial->serial_rx = RT_NULL;
dev->open_flag &= ~RT_DEVICE_FLAG_DMA_RX;
}
if (dev->open_flag & RT_DEVICE_FLAG_INT_TX)
{
struct rt_serial_tx_fifo* tx_fifo;
tx_fifo = (struct rt_serial_tx_fifo*)serial->serial_rx;
RT_ASSERT(tx_fifo != RT_NULL);
rt_free(tx_fifo);
serial->serial_tx = RT_NULL;
dev->open_flag &= ~RT_DEVICE_FLAG_INT_TX;
/* configure low level device */
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void*)RT_DEVICE_FLAG_INT_TX);
}
else if (dev->open_flag & RT_DEVICE_FLAG_DMA_TX)
{
struct rt_serial_tx_dma* tx_dma;
tx_dma = (struct rt_serial_tx_dma*)serial->serial_tx;
RT_ASSERT(tx_dma != RT_NULL);
rt_free(tx_dma);
serial->serial_tx = RT_NULL;
dev->open_flag &= ~RT_DEVICE_FLAG_DMA_TX;
}
return RT_EOK;
}
@ -214,53 +398,23 @@ static rt_size_t rt_serial_read(struct rt_device *dev,
void *buffer,
rt_size_t size)
{
rt_uint8_t *ptr;
rt_uint32_t read_nbytes;
struct rt_serial_device *serial;
RT_ASSERT(dev != RT_NULL);
if (size == 0)
return 0;
if (size == 0) return 0;
serial = (struct rt_serial_device *)dev;
ptr = (rt_uint8_t *)buffer;
if (dev->open_flag & RT_DEVICE_FLAG_INT_RX)
{
return _serial_int_rx(serial, buffer, size);
}
else if (dev->open_flag & RT_DEVICE_FLAG_DMA_RX)
{
return _serial_dma_rx(serial, buffer, size);
}
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
/* interrupt mode Rx */
while (size)
{
int ch;
ch = serial_ringbuffer_getc(serial->int_rx);
if (ch == -1)
break;
*ptr = ch & 0xff;
ptr ++;
size --;
}
}
else
{
/* polling mode */
while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
{
*ptr = serial->ops->getc(serial);
ptr ++;
}
}
read_nbytes = (rt_uint32_t)ptr - (rt_uint32_t)buffer;
/* set error code */
if (read_nbytes == 0)
{
rt_set_errno(-RT_EEMPTY);
}
return read_nbytes;
return _serial_poll_rx(serial, buffer, size);
}
static rt_size_t rt_serial_write(struct rt_device *dev,
@ -268,90 +422,23 @@ static rt_size_t rt_serial_write(struct rt_device *dev,
const void *buffer,
rt_size_t size)
{
rt_uint8_t *ptr;
rt_size_t write_nbytes = 0;
struct rt_serial_device *serial;
RT_ASSERT(dev != RT_NULL);
if (size == 0)
return 0;
if (size == 0) return 0;
serial = (struct rt_serial_device *)dev;
ptr = (rt_uint8_t*)buffer;
if (dev->open_flag & RT_DEVICE_FLAG_INT_TX)
{
_serial_int_tx(serial, buffer, size);
}
else if (dev->open_flag & RT_DEVICE_FLAG_DMA_TX)
{
_serial_dma_tx(serial, buffer, size);
}
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
/* warning: data will be discarded if buffer is full */
while (size)
{
if (serial_ringbuffer_putchar(serial->int_tx, *ptr) != -1)
{
ptr ++;
size --;
}
else
break;
}
}
else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
rt_base_t level;
rt_err_t result;
RT_ASSERT(0 == (dev->flag & RT_DEVICE_FLAG_STREAM));
result = rt_data_queue_push(&(serial->tx_dq), buffer, size, 20);
if (result == RT_EOK)
{
level = rt_hw_interrupt_disable();
if (serial->dma_flag == RT_FALSE)
{
serial->dma_flag = RT_TRUE;
rt_hw_interrupt_enable(level);
serial->ops->dma_transmit(serial, buffer, size);
}
else
rt_hw_interrupt_enable(level);
return size;
}
else
{
rt_set_errno(result);
return 0;
}
}
else
{
/* polling mode */
while (size)
{
/*
* to be polite with serial console add a line feed
* to the carriage return character
*/
if (*ptr == '\n' && (dev->flag & RT_DEVICE_FLAG_STREAM))
{
serial->ops->putc(serial, '\r');
}
serial->ops->putc(serial, *ptr);
++ ptr;
-- size;
}
}
write_nbytes = (rt_uint32_t)ptr - (rt_uint32_t)buffer;
if (write_nbytes == 0)
{
rt_set_errno(-RT_EFULL);
}
return write_nbytes;
return _serial_poll_tx(serial, buffer, size);
}
static rt_err_t rt_serial_control(struct rt_device *dev,
@ -419,56 +506,108 @@ rt_err_t rt_hw_serial_register(struct rt_serial_device *serial,
}
/* ISR for serial interrupt */
void rt_hw_serial_isr(struct rt_serial_device *serial)
void rt_hw_serial_isr(struct rt_serial_device *serial, int event)
{
int ch = -1;
switch (event & 0xff)
{
case RT_SERIAL_EVENT_RX_IND:
{
int ch = -1;
rt_base_t level;
struct rt_serial_rx_fifo* rx_fifo;
/* interrupt mode receive */
RT_ASSERT(serial->parent.flag & RT_DEVICE_FLAG_INT_RX);
rx_fifo = (struct rt_serial_rx_fifo*)serial->serial_rx;
RT_ASSERT(rx_fifo != RT_NULL);
/* interrupt mode receive */
RT_ASSERT(serial->parent.open_flag & RT_DEVICE_FLAG_INT_RX);
while (1)
{
ch = serial->ops->getc(serial);
if (ch == -1) break;
while (1)
{
ch = serial->ops->getc(serial);
if (ch == -1)
break;
/* disable interrupt */
level = rt_hw_interrupt_disable();
rx_fifo->buffer[rx_fifo->put_index] = ch;
rx_fifo->put_index += 1;
if (rx_fifo->put_index >= serial->config.bufsz) rx_fifo->put_index = 0;
/* if the next position is read index, discard this 'read char' */
if (rx_fifo->put_index == rx_fifo->get_index)
{
rx_fifo->get_index += 1;
if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
/* invoke callback */
if (serial->parent.rx_indicate != RT_NULL)
{
rt_size_t rx_length;
/* get rx length */
level = rt_hw_interrupt_disable();
rx_length = (rx_fifo->put_index >= rx_fifo->get_index)? (rx_fifo->put_index - rx_fifo->get_index):
(serial->config.bufsz - (rx_fifo->get_index - rx_fifo->put_index));
rt_hw_interrupt_enable(level);
serial_ringbuffer_putc(serial->int_rx, ch);
}
serial->parent.rx_indicate(&serial->parent, rx_length);
}
break;
}
case RT_SERIAL_EVENT_TX_DONE:
{
struct rt_serial_tx_fifo* tx_fifo;
/* invoke callback */
if (serial->parent.rx_indicate != RT_NULL)
{
rt_size_t rx_length;
tx_fifo = (struct rt_serial_tx_fifo*)serial->serial_tx;
rt_completion_done(&(tx_fifo->completion));
break;
}
case RT_SERIAL_EVENT_TX_DMADONE:
{
const void *data_ptr;
rt_size_t data_size;
const void *last_data_ptr;
struct rt_serial_tx_dma* tx_dma;
/* get rx length */
rx_length = serial_ringbuffer_size(serial->int_rx);
serial->parent.rx_indicate(&serial->parent, rx_length);
}
}
/*
* ISR for DMA mode Tx
*/
void rt_hw_serial_dma_tx_isr(struct rt_serial_device *serial)
{
const void *data_ptr;
rt_size_t data_size;
const void *last_data_ptr;
rt_data_queue_pop(&(serial->tx_dq), &last_data_ptr, &data_size, 0);
if (RT_EOK == rt_data_queue_peak(&(serial->tx_dq), &data_ptr, &data_size))
{
/* transmit next data node */
serial->ops->dma_transmit(serial, data_ptr, data_size);
}
else
{
serial->dma_flag = RT_FALSE;
}
/* invoke callback */
if (serial->parent.tx_complete != RT_NULL)
{
serial->parent.tx_complete(&serial->parent, (void*)last_data_ptr);
}
tx_dma = (struct rt_serial_tx_dma*) serial->serial_tx;
rt_data_queue_pop(&(tx_dma->data_queue), &last_data_ptr, &data_size, 0);
if (rt_data_queue_peak(&(tx_dma->data_queue), &data_ptr, &data_size) == RT_EOK)
{
/* transmit next data node */
tx_dma->activated = RT_TRUE;
serial->ops->dma_transmit(serial, data_ptr, data_size, RT_SERIAL_DMA_TX);
}
else
{
tx_dma->activated = RT_FALSE;
}
/* invoke callback */
if (serial->parent.tx_complete != RT_NULL)
{
serial->parent.tx_complete(&serial->parent, (void*)last_data_ptr);
}
break;
}
case RT_SERIAL_EVENT_RX_DMADONE:
{
int length;
struct rt_serial_rx_dma* rx_dma;
rx_dma = (struct rt_serial_rx_dma*)serial->serial_rx;
/* get DMA rx length */
length = (event & (~0xff)) >> 8;
serial->parent.rx_indicate(&(serial->parent), length);
rx_dma->activated = RT_FALSE;
break;
}
}
}

2
components/finsh/shell.c
View File

@ -306,8 +306,8 @@ void finsh_thread_entry(void* parameter)
#ifdef RT_USING_CONSOLE
shell->device = rt_console_get_device();
RT_ASSERT(shell->device);
rt_device_open(shell->device, RT_DEVICE_OFLAG_RDWR);
rt_device_set_rx_indicate(shell->device, finsh_rx_ind);
rt_device_open(shell->device, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
#else
RT_ASSERT(shell->device);
#endif