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xiuos/board/cortex-m3-emulator/connect_uart.c

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/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file connect_uart.c
* @brief support cortex_m3_emulator board uart function and register to bus framework
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-05-10
*/
#include <board.h>
#include <xiuos.h>
#include <device.h>
#include <inc/hw_types.h>
#include <driverlib/gpio.h>
#include <driverlib/interrupt.h>
#include <driverlib/sysctl.h>
#include <driverlib/uart.h>
#include <inc/hw_ints.h>
#include <inc/hw_memmap.h>
#include <inc/hw_uart.h>
#ifdef BSP_USING_UART1
static struct SerialBus serial_bus_1;
static struct SerialDriver serial_driver_1;
static struct SerialHardwareDevice serial_device_1;
#endif
#ifdef BSP_USING_UART2
static struct SerialBus serial_bus_2;
static struct SerialDriver serial_driver_2;
static struct SerialHardwareDevice serial_device_2;
#endif
static void SerialCfgParamCheck(struct SerialCfgParam *serial_cfg_default, struct SerialCfgParam *serial_cfg_new)
{
struct SerialDataCfg *data_cfg_default = &serial_cfg_default->data_cfg;
struct SerialDataCfg *data_cfg_new = &serial_cfg_new->data_cfg;
if ((data_cfg_default->serial_baud_rate != data_cfg_new->serial_baud_rate) && (data_cfg_new->serial_baud_rate)) {
data_cfg_default->serial_baud_rate = data_cfg_new->serial_baud_rate;
}
if ((data_cfg_default->serial_bit_order != data_cfg_new->serial_bit_order) && (data_cfg_new->serial_bit_order)) {
data_cfg_default->serial_bit_order = data_cfg_new->serial_bit_order;
}
if ((data_cfg_default->serial_buffer_size != data_cfg_new->serial_buffer_size) && (data_cfg_new->serial_buffer_size)) {
data_cfg_default->serial_buffer_size = data_cfg_new->serial_buffer_size;
}
if ((data_cfg_default->serial_data_bits != data_cfg_new->serial_data_bits) && (data_cfg_new->serial_data_bits)) {
data_cfg_default->serial_data_bits = data_cfg_new->serial_data_bits;
}
if ((data_cfg_default->serial_invert_mode != data_cfg_new->serial_invert_mode) && (data_cfg_new->serial_invert_mode)) {
data_cfg_default->serial_invert_mode = data_cfg_new->serial_invert_mode;
}
if ((data_cfg_default->serial_parity_mode != data_cfg_new->serial_parity_mode) && (data_cfg_new->serial_parity_mode)) {
data_cfg_default->serial_parity_mode = data_cfg_new->serial_parity_mode;
}
if ((data_cfg_default->serial_stop_bits != data_cfg_new->serial_stop_bits) && (data_cfg_new->serial_stop_bits)) {
data_cfg_default->serial_stop_bits = data_cfg_new->serial_stop_bits;
}
}
static void UartHandler(struct SerialBus *serial_bus, struct SerialDriver *serial_drv)
{
struct SerialHardwareDevice *serial_dev = (struct SerialHardwareDevice *)serial_bus->bus.owner_haldev;
struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_drv->private_data;
uint32 status;
status = UARTIntStatus(serial_cfg->hw_cfg.serial_register_base, RET_TRUE);
/* clear interrupt status */
UARTIntClear(serial_cfg->hw_cfg.serial_register_base, status);
while (UARTCharsAvail(serial_cfg->hw_cfg.serial_register_base)) {
SerialSetIsr(serial_dev, SERIAL_EVENT_RX_IND);
}
}
#ifdef BSP_USING_UART1
void UartIsr1(int vector, void *param)
{
/* get serial bus 1 */
UartHandler(&serial_bus_1, &serial_driver_1);
}
DECLARE_HW_IRQ(UART1_IRQn, UartIsr1, NONE);
#endif
#ifdef BSP_USING_UART2
void UartIsr2(int irqno)
{
/* get serial bus 2 */
UartHandler(&serial_bus_2, &serial_driver_2);
}
#endif
static uint32 SerialInit(struct SerialDriver *serial_drv, struct BusConfigureInfo *configure_info)
{
NULL_PARAM_CHECK(serial_drv);
return EOK;
}
static uint32 SerialConfigure(struct SerialDriver *serial_drv, int serial_operation_cmd)
{
NULL_PARAM_CHECK(serial_drv);
struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_drv->private_data;
struct HardwareDev *dev = serial_drv->driver.owner_bus->owner_haldev;
struct SerialHardwareDevice *serial_dev = (struct SerialHardwareDevice *)dev;
struct SerialDevParam *serial_dev_param = (struct SerialDevParam *)serial_dev->haldev.private_data;
if (OPER_CLR_INT == serial_operation_cmd) {
if (SIGN_OPER_INT_RX & serial_dev_param->serial_work_mode) {
/* disable UART rx interrupt */
UARTIntDisable(serial_cfg->hw_cfg.serial_register_base, UART_INT_RX | UART_INT_RT);
}
} else if (OPER_SET_INT == serial_operation_cmd) {
/* enable interrupt */
if (UART0_BASE == serial_cfg->hw_cfg.serial_register_base)
IntEnable(INT_UART0);
else if (UART1_BASE == serial_cfg->hw_cfg.serial_register_base)
IntEnable(INT_UART1);
UARTIntEnable(serial_cfg->hw_cfg.serial_register_base, UART_INT_RX | UART_INT_RT);
}
return EOK;
}
static uint32 SerialDrvConfigure(void *drv, struct BusConfigureInfo *configure_info)
{
NULL_PARAM_CHECK(drv);
NULL_PARAM_CHECK(configure_info);
x_err_t ret = EOK;
int serial_operation_cmd;
struct SerialDriver *serial_drv = (struct SerialDriver *)drv;
switch (configure_info->configure_cmd)
{
case OPE_INT:
ret = SerialInit(serial_drv, configure_info);
break;
case OPE_CFG:
serial_operation_cmd = *(int *)configure_info->private_data;
ret = SerialConfigure(serial_drv, serial_operation_cmd);
break;
default:
break;
}
return ret;
}
static int SerialPutChar(struct SerialHardwareDevice *serial_dev, char c)
{
struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_dev->private_data;
while (UARTCharPutNonBlocking(serial_cfg->hw_cfg.serial_register_base, c) == RET_FALSE);
return 0;
}
static int SerialGetChar(struct SerialHardwareDevice *serial_dev)
{
struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_dev->private_data;
long val = UARTCharGetNonBlocking(serial_cfg->hw_cfg.serial_register_base);
if (val > 0)
return (int)val;
else
return -1;
}
static const struct SerialDataCfg data_cfg_init =
{
.serial_baud_rate = BAUD_RATE_115200,
.serial_data_bits = DATA_BITS_8,
.serial_stop_bits = STOP_BITS_1,
.serial_parity_mode = PARITY_NONE,
.serial_bit_order = BIT_ORDER_LSB,
.serial_invert_mode = NRZ_NORMAL,
.serial_buffer_size = SERIAL_RB_BUFSZ,
};
/*manage the serial device operations*/
static const struct SerialDrvDone drv_done =
{
.init = SerialInit,
.configure = SerialConfigure,
};
/*manage the serial device hal operations*/
static struct SerialHwDevDone hwdev_done =
{
.put_char = SerialPutChar,
.get_char = SerialGetChar,
};
static int BoardSerialBusInit(struct SerialBus *serial_bus, struct SerialDriver *serial_driver, const char *bus_name, const char *drv_name)
{
x_err_t ret = EOK;
/*Init the serial bus */
ret = SerialBusInit(serial_bus, bus_name);
if (EOK != ret) {
KPrintf("InitHwUart SerialBusInit error %d\n", ret);
return ERROR;
}
/*Init the serial driver*/
ret = SerialDriverInit(serial_driver, drv_name);
if (EOK != ret) {
KPrintf("InitHwUart SerialDriverInit error %d\n", ret);
return ERROR;
}
/*Attach the serial driver to the serial bus*/
ret = SerialDriverAttachToBus(drv_name, bus_name);
if (EOK != ret) {
KPrintf("InitHwUart SerialDriverAttachToBus error %d\n", ret);
return ERROR;
}
return ret;
}
/*Attach the serial device to the serial bus*/
static int BoardSerialDevBend(struct SerialHardwareDevice *serial_device, void *serial_param, const char *bus_name, const char *dev_name)
{
x_err_t ret = EOK;
ret = SerialDeviceRegister(serial_device, serial_param, dev_name);
if (EOK != ret) {
KPrintf("InitHwUart SerialDeviceInit device %s error %d\n", dev_name, ret);
return ERROR;
}
ret = SerialDeviceAttachToBus(dev_name, bus_name);
if (EOK != ret) {
KPrintf("InitHwUart SerialDeviceAttachToBus device %s error %d\n", dev_name, ret);
return ERROR;
}
return ret;
}
int InitHwUart(void)
{
x_err_t ret = EOK;
#ifdef BSP_USING_UART1
memset(&serial_bus_1, 0, sizeof(struct SerialBus));
memset(&serial_driver_1, 0, sizeof(struct SerialDriver));
memset(&serial_device_1, 0, sizeof(struct SerialHardwareDevice));
static struct SerialCfgParam serial_cfg_1;
memset(&serial_cfg_1, 0, sizeof(struct SerialCfgParam));
static struct SerialDevParam serial_dev_param_1;
memset(&serial_dev_param_1, 0, sizeof(struct SerialDevParam));
serial_driver_1.drv_done = &drv_done;
serial_driver_1.configure = &SerialDrvConfigure;
serial_device_1.hwdev_done = &hwdev_done;
serial_cfg_1.data_cfg = data_cfg_init;
serial_cfg_1.hw_cfg.serial_register_base = UART0_BASE;
serial_driver_1.private_data = (void *)&serial_cfg_1;
serial_dev_param_1.serial_work_mode = SIGN_OPER_INT_RX;
serial_device_1.haldev.private_data = (void *)&serial_dev_param_1;
/* enable UART0 clock */
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
/* set UART0 pinmux */
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
/* Configure the UART for 115,200, 8-N-1 operation. */
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), serial_cfg_1.data_cfg.serial_baud_rate,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
ret = BoardSerialBusInit(&serial_bus_1, &serial_driver_1, SERIAL_BUS_NAME_1, SERIAL_DRV_NAME_1);
if (EOK != ret) {
KPrintf("InitHwUart uarths error ret %u\n", ret);
return ERROR;
}
ret = BoardSerialDevBend(&serial_device_1, (void *)&serial_cfg_1, SERIAL_BUS_NAME_1, SERIAL_DEVICE_NAME_1);
if (EOK != ret) {
KPrintf("InitHwUart uarths error ret %u\n", ret);
return ERROR;
}
#endif
#ifdef BSP_USING_UART2
memset(&serial_bus_2, 0, sizeof(struct SerialBus));
memset(&serial_driver_2, 0, sizeof(struct SerialDriver));
memset(&serial_device_2, 0, sizeof(struct SerialHardwareDevice));
static struct SerialCfgParam serial_cfg_2;
memset(&serial_cfg_2, 0, sizeof(struct SerialCfgParam));
static struct SerialDevParam serial_dev_param_2;
memset(&serial_dev_param_2, 0, sizeof(struct SerialDevParam));
serial_driver_2.drv_done = &drv_done;
serial_driver_2.configure = &SerialDrvConfigure;
serial_device_2.hwdev_done = &hwdev_done;
serial_cfg_2.data_cfg = data_cfg_init;
serial_cfg_2.hw_cfg.serial_register_base = UART1_BASE;
serial_driver_2.private_data = (void *)&serial_cfg_2;
serial_dev_param_2.serial_work_mode = SIGN_OPER_INT_RX;
serial_device_2.haldev.private_data = (void *)&serial_dev_param_2;
ret = BoardSerialBusInit(&serial_bus_2, &serial_driver_2, SERIAL_BUS_NAME_2, SERIAL_DRV_NAME_2);
if (EOK != ret) {
KPrintf("InitHwUart uarths error ret %u\n", ret);
return ERROR;
}
ret = BoardSerialDevBend(&serial_device_2, (void *)&serial_cfg_2, SERIAL_BUS_NAME_2, SERIAL_DEVICE_NAME_2);
if (EOK != ret) {
KPrintf("InitHwUart uarths error ret %u\n", ret);
return ERROR;
}
#endif
return ret;
}
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