diff --git a/bsp/stm32/stm32l476-st-nucleo/.config b/bsp/stm32/stm32l476-st-nucleo/.config
index f6fbb600a8071b2cac7017c69b0556246b65d429..427cb9a3a7566180442d03f7134ae18be6b5c864 100644
--- a/bsp/stm32/stm32l476-st-nucleo/.config
+++ b/bsp/stm32/stm32l476-st-nucleo/.config
@@ -344,9 +344,7 @@ CONFIG_BSP_USING_GPIO=y
CONFIG_BSP_USING_UART=y
CONFIG_BSP_USING_UART2=y
# CONFIG_BSP_UART2_RX_USING_DMA is not set
-# CONFIG_BSP_USING_I2C1 is not set
-# CONFIG_BSP_USING_I2C2 is not set
-# CONFIG_BSP_USING_I2C3 is not set
+# CONFIG_BSP_USING_I2C is not set
# CONFIG_BSP_USING_ONCHIP_RTC is not set
#
diff --git a/bsp/stm32/stm32l476-st-nucleo/board/Kconfig b/bsp/stm32/stm32l476-st-nucleo/board/Kconfig
index a83caaaeaeccbed5bfa046e449e2cdb47dc307e9..3e5b0ed121d189388b63274bb756f88be872b038 100644
--- a/bsp/stm32/stm32l476-st-nucleo/board/Kconfig
+++ b/bsp/stm32/stm32l476-st-nucleo/board/Kconfig
@@ -30,67 +30,66 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_UART2
bool "Enable UART2"
default n
+
config BSP_UART2_RX_USING_DMA
bool "Enable UART2 RX DMA"
depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
default n
endif
- menuconfig BSP_USING_I2C1
- bool "Enable I2C1 BUS (software simulation)"
+ menuconfig BSP_USING_I2C
+ bool "Enable I2C (software simulation)"
default n
select RT_USING_I2C
select RT_USING_I2C_BITOPS
select RT_USING_PIN
- if BSP_USING_I2C1
- config BSP_I2C1_SCL_PIN
- int "i2c1 scl pin number"
- range 1 176
- default 22
- config BSP_I2C1_SDA_PIN
- int "I2C1 sda pin number"
- range 1 176
- default 23
- endif
+ if BSP_USING_I2C
+ config BSP_USING_I2C1
+ bool "Enable I2C1 BUS (software simulation)"
+ default n
+ if BSP_USING_I2C1
+ config BSP_I2C1_SCL_PIN
+ int "i2c1 scl pin number"
+ range 1 176
+ default 22
+ config BSP_I2C1_SDA_PIN
+ int "I2C1 sda pin number"
+ range 1 176
+ default 23
+ endif
- menuconfig BSP_USING_I2C2
- bool "Enable I2C2 BUS (software simulation)"
- default n
- select RT_USING_I2C
- select RT_USING_I2C_BITOPS
- select RT_USING_PIN
- if BSP_USING_I2C2
- config BSP_I2C2_SCL_PIN
- int "i2c2 scl pin number"
- range 1 176
- default 26
- config BSP_I2C2_SDA_PIN
- int "I2C2 sda pin number"
- range 1 176
- default 27
- endif
+ config BSP_USING_I2C2
+ bool "Enable I2C2 BUS (software simulation)"
+ default n
+ if BSP_USING_I2C2
+ config BSP_I2C2_SCL_PIN
+ int "i2c2 scl pin number"
+ range 1 176
+ default 26
+ config BSP_I2C2_SDA_PIN
+ int "I2C2 sda pin number"
+ range 1 176
+ default 27
+ endif
- menuconfig BSP_USING_I2C3
- bool "Enable I2C3 BUS (software simulation)"
- default n
- select RT_USING_I2CS
- select RT_USING_I2C_BITOPS
- select RT_USING_PIN
- if BSP_USING_I2C3
- config BSP_I2C3_SCL_PIN
- int "i2c3 scl pin number"
- range 1 176
- default 32
- config BSP_I2C3_SDA_PIN
- int "I2C3 sda pin number"
- range 1 176
- default 33
+ config BSP_USING_I2C3
+ bool "Enable I2C3 BUS (software simulation)"
+ default n
+ if BSP_USING_I2C3
+ config BSP_I2C3_SCL_PIN
+ int "i2c3 scl pin number"
+ range 1 176
+ default 32
+ config BSP_I2C3_SDA_PIN
+ int "I2C3 sda pin number"
+ range 1 176
+ default 33
+ endif
endif
config BSP_USING_ONCHIP_RTC
bool "Enable RTC"
select RT_USING_RTC
- select RT_USING_LIBC
default n
endmenu
diff --git a/bsp/stm32/stm32l476-st-nucleo/board/board.c b/bsp/stm32/stm32l476-st-nucleo/board/board.c
index 8b59af60cecaafc60b47926e82af16a57b8fc897..b4fcfe0a84359e89af74dfa2719c5844b3e4f32b 100644
--- a/bsp/stm32/stm32l476-st-nucleo/board/board.c
+++ b/bsp/stm32/stm32l476-st-nucleo/board/board.c
@@ -16,10 +16,12 @@ void SystemClock_Config(void)
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+#ifdef BSP_USING_ONCHIP_RTC
/**Configure LSE Drive Capability
*/
HAL_PWR_EnableBkUpAccess();
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
+#endif
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
diff --git a/bsp/stm32/stm32l476-st-nucleo/project.ewp b/bsp/stm32/stm32l476-st-nucleo/project.ewp
index ec07d1e9da90f9878447f3c1977939c7379f8b4b..c87b2d2d7d5558af558741601a810aaeaeb52f04 100644
--- a/bsp/stm32/stm32l476-st-nucleo/project.ewp
+++ b/bsp/stm32/stm32l476-st-nucleo/project.ewp
@@ -1,2275 +1,2328 @@
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-
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-
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-
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-
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-
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-
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-
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-
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-
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-
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-
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diff --git a/bsp/stm32/stm32l476-st-nucleo/project.uvoptx b/bsp/stm32/stm32l476-st-nucleo/project.uvoptx
index 2ea89dc6025c4578efd36c4ed2995c422f11f450..23f11136785383284a98149bd22f8b4ed64cf602 100644
--- a/bsp/stm32/stm32l476-st-nucleo/project.uvoptx
+++ b/bsp/stm32/stm32l476-st-nucleo/project.uvoptx
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-
diff --git a/bsp/stm32/stm32l476-st-nucleo/project.uvprojx b/bsp/stm32/stm32l476-st-nucleo/project.uvprojx
index f94b36472731a80888024ee21679def0b065d263..c4775ff651c3ecf896e0155c7e7bb2417f15f9b8 100644
--- a/bsp/stm32/stm32l476-st-nucleo/project.uvprojx
+++ b/bsp/stm32/stm32l476-st-nucleo/project.uvprojx
@@ -1,10 +1,7 @@
-
2.1
-
### uVision Project, (C) Keil Software
-
rt-thread
@@ -19,28 +16,28 @@
Keil.STM32L4xx_DFP.2.0.0
http://www.keil.com/pack
IRAM(0x20000000,0x00018000) IRAM2(0x10000000,0x00008000) IROM(0x08000000,0x00100000) CPUTYPE("Cortex-M4") FPU2 CLOCK(12000000) ELITTLE
-
-
+
+
UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0STM32L4xx_1024 -FS08000000 -FL0100000 -FP0($$Device:STM32L476RGTx$CMSIS\Flash\STM32L4xx_1024.FLM))
0
$$Device:STM32L476RGTx$Drivers\CMSIS\Device\ST\STM32L4xx\Include\stm32l4xx.h
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
$$Device:STM32L476RGTx$CMSIS\SVD\STM32L4x6.svd
0
0
-
-
-
-
-
+
+
+
+
+
0
0
@@ -62,8 +59,8 @@
0
0
-
-
+
+
0
0
0
@@ -72,8 +69,8 @@
0
0
-
-
+
+
0
0
0
@@ -83,14 +80,14 @@
1
0
fromelf --bin !L --output rtthread.bin
-
+
0
0
0
0
0
-
+
0
@@ -104,8 +101,8 @@
0
0
3
-
-
+
+
1
@@ -138,11 +135,11 @@
1
BIN\UL2CM3.DLL
-
-
-
-
-
+
+
+
+
+
0
@@ -175,7 +172,7 @@
0
0
"Cortex-M4"
-
+
0
0
0
@@ -308,7 +305,7 @@
0x8000
-
+
1
@@ -335,10 +332,10 @@
0
0
-
- USE_HAL_DRIVER, STM32L476xx
-
- .;..\..\..\include;.;applications;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Inc;..\libraries\STM32L4xx_HAL\CMSIS\Device\ST\STM32L4xx\Include;..\libraries\STM32L4xx_HAL\CMSIS\Include
+
+ USE_HAL_DRIVER, STM32L476xx, RT_USING_ARM_LIBC
+
+ .;..\..\..\include;applications;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\..\..\components\libc\compilers\armlibc;..\..\..\components\libc\compilers\common;..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Inc;..\libraries\STM32L4xx_HAL\CMSIS\Device\ST\STM32L4xx\Include;..\libraries\STM32L4xx_HAL\CMSIS\Include
@@ -353,10 +350,10 @@
0
0
-
-
-
-
+
+
+
+
@@ -368,13 +365,13 @@
0
0x08000000
0x20000000
-
+
.\board\linker_scripts\link.sct
-
-
+
+
--keep *.o(.rti_fn.*) --keep *.o(FSymTab)
-
-
+
+
@@ -387,71 +384,99 @@
1
..\..\..\src\clock.c
+
+
components.c
1
..\..\..\src\components.c
+
+
cpu.c
1
..\..\..\src\cpu.c
+
+
device.c
1
..\..\..\src\device.c
+
+
idle.c
1
..\..\..\src\idle.c
+
+
ipc.c
1
..\..\..\src\ipc.c
+
+
irq.c
1
..\..\..\src\irq.c
+
+
kservice.c
1
..\..\..\src\kservice.c
+
+
mem.c
1
..\..\..\src\mem.c
+
+
mempool.c
1
..\..\..\src\mempool.c
+
+
object.c
1
..\..\..\src\object.c
+
+
scheduler.c
1
..\..\..\src\scheduler.c
+
+
signal.c
1
..\..\..\src\signal.c
+
+
thread.c
1
..\..\..\src\thread.c
+
+
timer.c
1
@@ -477,26 +502,43 @@
1
board\board.c
+
+
stm32l4xx_hal_msp.c
1
board\CubeMX_Config\Src\stm32l4xx_hal_msp.c
+
+
startup_stm32l476xx.s
2
..\libraries\STM32L4xx_HAL\CMSIS\Device\ST\STM32L4xx\Source\Templates\arm\startup_stm32l476xx.s
+
+
drv_gpio.c
1
..\libraries\HAL_Drivers\drv_gpio.c
+
+
drv_usart.c
1
..\libraries\HAL_Drivers\drv_usart.c
+
+
+
+ drv_soft_i2c.c
+ 1
+ ..\libraries\HAL_Drivers\drv_soft_i2c.c
+
+
+
drv_common.c
1
@@ -512,21 +554,29 @@
1
..\..\..\libcpu\arm\common\backtrace.c
+
+
div0.c
1
..\..\..\libcpu\arm\common\div0.c
+
+
showmem.c
1
..\..\..\libcpu\arm\common\showmem.c
+
+
cpuport.c
1
..\..\..\libcpu\arm\cortex-m4\cpuport.c
+
+
context_rvds.S
2
@@ -536,47 +586,91 @@
DeviceDrivers
+
+
+ i2c_core.c
+ 1
+ ..\..\..\components\drivers\i2c\i2c_core.c
+
+
+
+
+ i2c_dev.c
+ 1
+ ..\..\..\components\drivers\i2c\i2c_dev.c
+
+
+
+
+ i2c-bit-ops.c
+ 1
+ ..\..\..\components\drivers\i2c\i2c-bit-ops.c
+
+
pin.c
1
..\..\..\components\drivers\misc\pin.c
+
+
+
+ rtc.c
+ 1
+ ..\..\..\components\drivers\rtc\rtc.c
+
+
+
serial.c
1
..\..\..\components\drivers\serial\serial.c
+
+
completion.c
1
..\..\..\components\drivers\src\completion.c
+
+
dataqueue.c
1
..\..\..\components\drivers\src\dataqueue.c
+
+
pipe.c
1
..\..\..\components\drivers\src\pipe.c
+
+
ringblk_buf.c
1
..\..\..\components\drivers\src\ringblk_buf.c
+
+
ringbuffer.c
1
..\..\..\components\drivers\src\ringbuffer.c
+
+
waitqueue.c
1
..\..\..\components\drivers\src\waitqueue.c
+
+
workqueue.c
1
@@ -592,26 +686,36 @@
1
..\..\..\components\finsh\shell.c
+
+
symbol.c
1
..\..\..\components\finsh\symbol.c
+
+
cmd.c
1
..\..\..\components\finsh\cmd.c
+
+
msh.c
1
..\..\..\components\finsh\msh.c
+
+
msh_cmd.c
1
..\..\..\components\finsh\msh_cmd.c
+
+
msh_file.c
1
@@ -619,6 +723,44 @@
+
+ libc
+
+
+ libc.c
+ 1
+ ..\..\..\components\libc\compilers\armlibc\libc.c
+
+
+
+
+ mem_std.c
+ 1
+ ..\..\..\components\libc\compilers\armlibc\mem_std.c
+
+
+
+
+ stubs.c
+ 1
+ ..\..\..\components\libc\compilers\armlibc\stubs.c
+
+
+
+
+ time.c
+ 1
+ ..\..\..\components\libc\compilers\armlibc\time.c
+
+
+
+
+ gmtime_r.c
+ 1
+ ..\..\..\components\libc\compilers\common\gmtime_r.c
+
+
+
STM32_HAL
@@ -627,121 +769,189 @@
1
..\libraries\STM32L4xx_HAL\CMSIS\Device\ST\STM32L4xx\Source\Templates\system_stm32l4xx.c
+
+
stm32l4xx_hal.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal.c
+
+
stm32l4xx_hal_comp.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_comp.c
+
+
stm32l4xx_hal_cortex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_cortex.c
+
+
stm32l4xx_hal_crc.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_crc.c
+
+
stm32l4xx_hal_crc_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_crc_ex.c
+
+
stm32l4xx_hal_cryp.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_cryp.c
+
+
stm32l4xx_hal_cryp_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_cryp_ex.c
+
+
stm32l4xx_hal_dma.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dma.c
+
+
stm32l4xx_hal_dma_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dma_ex.c
+
+
stm32l4xx_hal_exti.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_exti.c
+
+
stm32l4xx_hal_pwr.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_pwr.c
+
+
stm32l4xx_hal_pwr_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_pwr_ex.c
+
+
stm32l4xx_hal_rcc.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rcc.c
+
+
stm32l4xx_hal_rcc_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rcc_ex.c
+
+
stm32l4xx_hal_rng.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rng.c
+
+
stm32l4xx_hal_sram.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_sram.c
+
+
stm32l4xx_hal_gpio.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_gpio.c
+
+
stm32l4xx_hal_uart.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_uart.c
+
+
stm32l4xx_hal_uart_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_uart_ex.c
+
+
stm32l4xx_hal_usart.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_usart.c
+
+
stm32l4xx_hal_usart_ex.c
1
..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_usart_ex.c
+
+
+ stm32l4xx_hal_i2c.c
+ 1
+ ..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_i2c.c
+
+
+
+
+ stm32l4xx_hal_i2c_ex.c
+ 1
+ ..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_i2c_ex.c
+
+
+
+
+ stm32l4xx_hal_rtc.c
+ 1
+ ..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rtc.c
+
+
+
+
+ stm32l4xx_hal_rtc_ex.c
+ 1
+ ..\libraries\STM32L4xx_HAL\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rtc_ex.c
+
+
-
-
-
-
+
+
+
-
diff --git a/bsp/stm32/stm32l476-st-nucleo/rtconfig.h b/bsp/stm32/stm32l476-st-nucleo/rtconfig.h
index 08e1a6ed94d7c1fa74f5f7a7d4d50f388c4c7d82..ac2fd6a542b310148bd880aaad7f03e51f5fbca2 100644
--- a/bsp/stm32/stm32l476-st-nucleo/rtconfig.h
+++ b/bsp/stm32/stm32l476-st-nucleo/rtconfig.h
@@ -78,9 +78,7 @@
#define RT_PIPE_BUFSZ 512
#define RT_USING_SERIAL
#define RT_SERIAL_USING_DMA
-#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_PIN
-#define RT_USING_RTC
/* Using WiFi */