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Merge pull request #4392 from Jackistang/master 

[bsp/max32660] add the driver of i2c
This commit is contained in:
Bernard Xiong 2021-02-28 20:19:29 +08:00 committed by GitHub
parent 2bf53d315d 8c7dd0353a
commit 307671e2c4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 247 additions and 4 deletions
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33
bsp/maxim/MAX32660_EVSYS/.config
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@ -14,7 +14,7 @@ CONFIG_RT_ALIGN_SIZE=4
CONFIG_RT_THREAD_PRIORITY_32=y
# CONFIG_RT_THREAD_PRIORITY_256 is not set
CONFIG_RT_THREAD_PRIORITY_MAX=32
CONFIG_RT_TICK_PER_SECOND=100
CONFIG_RT_TICK_PER_SECOND=1000
CONFIG_RT_USING_OVERFLOW_CHECK=y
CONFIG_RT_USING_HOOK=y
CONFIG_RT_USING_IDLE_HOOK=y
@ -272,6 +272,7 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_PDULIB is not set
# CONFIG_PKG_USING_BTSTACK is not set
# CONFIG_PKG_USING_LORAWAN_ED_STACK is not set
# CONFIG_PKG_USING_WAYZ_IOTKIT is not set
#
# security packages
@ -300,6 +301,7 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_HELIX is not set
# CONFIG_PKG_USING_AZUREGUIX is not set
# CONFIG_PKG_USING_TOUCHGFX2RTT is not set
# CONFIG_PKG_USING_LVGL is not set
#
# tools packages
@ -311,6 +313,8 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_RDB is not set
# CONFIG_PKG_USING_QRCODE is not set
# CONFIG_PKG_USING_ULOG_EASYFLASH is not set
# CONFIG_PKG_USING_ULOG_FILE is not set
# CONFIG_PKG_USING_LOGMGR is not set
# CONFIG_PKG_USING_ADBD is not set
# CONFIG_PKG_USING_COREMARK is not set
# CONFIG_PKG_USING_DHRYSTONE is not set
@ -324,6 +328,16 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_UMCN is not set
# CONFIG_PKG_USING_LWRB2RTT is not set
# CONFIG_PKG_USING_CPU_USAGE is not set
# CONFIG_PKG_USING_GBK2UTF8 is not set
# CONFIG_PKG_USING_VCONSOLE is not set
# CONFIG_PKG_USING_KDB is not set
# CONFIG_PKG_USING_WAMR is not set
# CONFIG_PKG_USING_MICRO_XRCE_DDS_CLIENT is not set
# CONFIG_PKG_USING_LWLOG is not set
# CONFIG_PKG_USING_ANV_TRACE is not set
# CONFIG_PKG_USING_ANV_MEMLEAK is not set
# CONFIG_PKG_USING_ANV_TESTSUIT is not set
# CONFIG_PKG_USING_ANV_BENCH is not set
#
# system packages
@ -361,6 +375,13 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_UC_COMMON is not set
# CONFIG_PKG_USING_UC_MODBUS is not set
# CONFIG_PKG_USING_PPOOL is not set
# CONFIG_PKG_USING_OPENAMP is not set
# CONFIG_PKG_USING_RT_KPRINTF_THREADSAFE is not set
# CONFIG_PKG_USING_RT_MEMCPY_CM is not set
# CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
# CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
# CONFIG_PKG_USING_QFPLIB_M3 is not set
# CONFIG_PKG_USING_LPM is not set
#
# peripheral libraries and drivers
@ -369,6 +390,7 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_REALTEK_AMEBA is not set
# CONFIG_PKG_USING_SHT2X is not set
# CONFIG_PKG_USING_SHT3X is not set
# CONFIG_PKG_USING_AS7341 is not set
# CONFIG_PKG_USING_STM32_SDIO is not set
# CONFIG_PKG_USING_ICM20608 is not set
# CONFIG_PKG_USING_U8G2 is not set
@ -418,7 +440,10 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_SSD1306 is not set
# CONFIG_PKG_USING_QKEY is not set
# CONFIG_PKG_USING_RS485 is not set
# CONFIG_PKG_USING_BSAL is not set
# CONFIG_PKG_USING_NES is not set
# CONFIG_PKG_USING_VIRTUAL_SENSOR is not set
# CONFIG_PKG_USING_VDEVICE is not set
# CONFIG_PKG_USING_SGM706 is not set
#
# miscellaneous packages
@ -468,6 +493,9 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_TETRIS is not set
# CONFIG_PKG_USING_LWGPS is not set
# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
# CONFIG_PKG_USING_STATE_MACHINE is not set
# CONFIG_PKG_USING_MCURSES is not set
# CONFIG_PKG_USING_COWSAY is not set
#
# Hardware Drivers Config
@ -485,3 +513,4 @@ CONFIG_BSP_USING_UART1=y
# CONFIG_BSP_UART1_RX_USING_DMA is not set
# CONFIG_BSP_USING_SPI is not set
# CONFIG_BSP_USING_ON_CHIP_FLASH is not set
# CONFIG_BSP_USING_I2C is not set

2
bsp/maxim/MAX32660_EVSYS/README.md
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@ -78,7 +78,7 @@ MAX32660-EVSYS开发板常用 **板载资源** 如下：
| SPI | 支持 | SPI0, SPI1 |
| RTC | | |
| I2S | | |
| I2C | | |
| I2C | 支持 | I2C0, I2C1 |
| TIMER | | |
| Watchdog | | |

16
bsp/maxim/MAX32660_EVSYS/board/Kconfig
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@ -66,6 +66,22 @@ menu "On-chip Peripheral Drivers"
select PKG_USING_FAL
bool "Enable on-chip FLASH"
default n
config BSP_USING_I2C
bool "Enable I2C"
select RT_USING_I2C
default n
if BSP_USING_I2C
config BSP_USING_I2C0
bool "Enable I2C0 bus [SCL P0.8; SDA P0.9]"
default y
config BSP_USING_I2C1
bool "Enable I2C1 bus [SCL P0.2; SDA P0.3]"
default n
endif
endmenu

2
bsp/maxim/MAX32660_EVSYS/rtconfig.h
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@ -10,7 +10,7 @@
#define RT_ALIGN_SIZE 4
#define RT_THREAD_PRIORITY_32
#define RT_THREAD_PRIORITY_MAX 32
#define RT_TICK_PER_SECOND 100
#define RT_TICK_PER_SECOND 1000
#define RT_USING_OVERFLOW_CHECK
#define RT_USING_HOOK
#define RT_USING_IDLE_HOOK

3
bsp/maxim/libraries/HAL_Drivers/SConscript
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@ -20,6 +20,9 @@ if GetDepend(['RT_USING_PWM']):
if GetDepend(['RT_USING_SPI']):
src += ['drv_spi.c']
if GetDepend(['RT_USING_I2C']):
src += ['drv_i2c.c']
if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
src += ['drv_soft_i2c.c']

179
bsp/maxim/libraries/HAL_Drivers/drv_i2c.c Normal file
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@ -0,0 +1,179 @@
/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-26 Jackistang first version
*
*/
#include "drv_i2c.h"
#include "i2c.h"
#include <rtdevice.h>
#include <rtthread.h>
#include "board.h"
#ifdef RT_USING_I2C
#if !defined(BSP_USING_I2C0) && !defined(BSP_USING_I2C1)
#error "Please define at least one BSP_USING_I2Cx"
/* this driver can be disabled at menuconfig -> Hardware Drivers Config -> On-chip Peripheral Drivers -> Enable I2C */
#endif
#define DBG_LEVEL DBG_LOG
#include <rtdbg.h>
#define LOG_TAG "drv.i2c"
/* mxc config class */
struct mxc_i2c_config
{
const char *name;
mxc_i2c_regs_t *i2c_periph;
i2c_speed_t speed;
IRQn_Type irq_type;
};
struct mxc_i2c
{
struct rt_i2c_bus_device bus;
struct mxc_i2c_config *config;
};
static struct mxc_i2c_config i2c_config[] =
{
#ifdef BSP_USING_I2C0
{
.name = "i2c0",
.i2c_periph = MXC_I2C_GET_I2C(0),
.irq_type = MXC_I2C_GET_IRQ(0),
.speed = I2C_STD_MODE,
/*I2C_STD_MODE: 100KHz, I2C_FAST_MODE: 400KHz, I2C_FASTPLUS_MODE: 1MHz, I2C_HS_MODE: 3.4MHz */
},
#endif
#ifdef BSP_USING_I2C1
{
.name = "i2c1",
.i2c_periph = MXC_I2C_GET_I2C(1),
.irq_type = MXC_I2C_GET_IRQ(1),
.speed = I2C_STD_MODE,
/*I2C_STD_MODE: 100KHz, I2C_FAST_MODE: 400KHz, I2C_FASTPLUS_MODE: 1MHz, I2C_HS_MODE: 3.4MHz */
},
#endif
};
static struct mxc_i2c i2c_obj[sizeof(i2c_config) / sizeof(i2c_config[0])] = {0};
static rt_size_t mxc_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
struct rt_i2c_msg msgs[],
rt_uint32_t num)
{
rt_uint32_t i, ret;
rt_uint16_t addr;
int error;
int restart = 0;
struct rt_i2c_msg *msg;
struct mxc_i2c *obj = (struct mxc_i2c *)bus;
for (i = 0; i < num; i++)
{
msg = &msgs[i];
if (msg->flags & RT_I2C_ADDR_10BIT || msg->flags & RT_I2C_NO_START || msg->flags & RT_I2C_IGNORE_NACK || msg->flags & RT_I2C_NO_READ_ACK)
{
LOG_E("Not support RT_I2C_ADDR_10BIT or RT_I2C_NO_START or RT_I2C_IGNORE_NACK or RT_I2C_NO_READ_ACK");
return 0;
}
if (msg->flags & RT_I2C_NO_STOP)
{
restart = 1;
}
if (msg->flags & RT_I2C_RD)
{
addr = msg->addr << 1;
if ((error = I2C_MasterRead(obj->config->i2c_periph, (uint8_t)addr, msg->buf, msg->len, restart)) != msg->len)
{
LOG_E("Error writing %d", error);
return 0;
}
}
else /* RT_I2C_WR */
{
addr = msg->addr << 1;
if ((error = I2C_MasterWrite(obj->config->i2c_periph, (uint8_t)addr, msg->buf, msg->len, restart)) != msg->len)
{
LOG_E("Error writing %d", error);
return 0;
}
}
}
ret = i;
return ret;
}
static const struct rt_i2c_bus_device_ops mxc_i2c_ops =
{
mxc_i2c_mst_xfer,
RT_NULL,
RT_NULL,
};
int rt_hw_i2c_init(void)
{
rt_size_t obj_num;
int index;
rt_err_t result = 0;
#ifdef BSP_USING_I2C0
NVIC_EnableIRQ(I2C0_IRQn);
#endif
#ifdef BSP_USING_I2C1
NVIC_EnableIRQ(I2C1_IRQn);
#endif
obj_num = sizeof(i2c_obj) / sizeof(struct mxc_i2c);
for (index = 0; index < obj_num; index++)
{
/* init i2c object */
i2c_obj[index].config = &i2c_config[index];
i2c_obj[index].bus.ops = &mxc_i2c_ops;
/* init i2c device */
I2C_Shutdown(i2c_config[index].i2c_periph);
I2C_Init(i2c_config[index].i2c_periph, i2c_config[index].speed, RT_NULL);
/* register i2c device */
result = rt_i2c_bus_device_register(&i2c_obj[index].bus,
i2c_obj[index].config->name
);
RT_ASSERT(result == RT_EOK);
}
return 0;
}
INIT_DEVICE_EXPORT(rt_hw_i2c_init);
#ifdef BSP_USING_I2C0
void I2C0_IRQHandler(void)
{
rt_interrupt_enter();
I2C_Handler(MXC_I2C0);
rt_interrupt_leave();
}
#endif
#ifdef BSP_USING_I2C1
void I2C1_IRQHandler(void)
{
rt_interrupt_enter();
I2C_Handler(MXC_I2C1);
rt_interrupt_leave();
}
#endif
#endif /* RT_USING_I2C */

16
bsp/maxim/libraries/HAL_Drivers/drv_i2c.h Normal file
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@ -0,0 +1,16 @@
/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-26 Jackistang first version
*
*/
#ifndef __DRV_I2C_H__
#define __DRV_I2C_H__
#endif /* __DRV_I2C_H__ */