Skip to content

Commit 7ade0d0

Browse files
hathachhathach
authored
Merge pull request hathach#1588 from majbthrd/stm32l052
add 'stm32l052dap52' (STM32L052K8 MCU) board target
2 parents 251ce98 + d1c61e3 commit 7ade0d0

File tree

7 files changed

+850
-1
lines changed

7 files changed

+850
-1
lines changed

‎examples/device/uac2_headset/skip.txt

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,4 +3,5 @@ mcu:LPC13XX
33
mcu:NUC121
44
mcu:SAMD11
55
mcu:SAME5X
6-
mcu:SAMG
6+
mcu:SAMG
7+
board:stm32l052dap52

‎hw/bsp/stm32l0/boards/stm32l052dap52/STM32L052K8Ux_FLASH.ld

Lines changed: 169 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,169 @@
1+
/*
2+
*****************************************************************************
3+
**
4+
5+
** File : LinkerScript.ld
6+
**
7+
** Abstract : Linker script for STM32L052K8Ux Device with
8+
** 64KByte FLASH, 8KByte RAM
9+
**
10+
** Set heap size, stack size and stack location according
11+
** to application requirements.
12+
**
13+
** Set memory bank area and size if external memory is used.
14+
**
15+
** Target : STMicroelectronics STM32
16+
**
17+
**
18+
** Distribution: The file is distributed as is, without any warranty
19+
** of any kind.
20+
**
21+
** (c)Copyright Ac6.
22+
** You may use this file as-is or modify it according to the needs of your
23+
** project. Distribution of this file (unmodified or modified) is not
24+
** permitted. Ac6 permit registered System Workbench for MCU users the
25+
** rights to distribute the assembled, compiled & linked contents of this
26+
** file as part of an application binary file, provided that it is built
27+
** using the System Workbench for MCU toolchain.
28+
**
29+
*****************************************************************************
30+
*/
31+
32+
/* Entry Point */
33+
ENTRY(Reset_Handler)
34+
35+
/* Highest address of the user mode stack */
36+
_estack = 0x20002000; /* end of RAM */
37+
/* Generate a link error if heap and stack don't fit into RAM */
38+
_Min_Heap_Size = 0x200; /* required amount of heap */
39+
_Min_Stack_Size = 0x400; /* required amount of stack */
40+
41+
/* Specify the memory areas */
42+
MEMORY
43+
{
44+
FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 64K
45+
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 8K
46+
}
47+
48+
/* Define output sections */
49+
SECTIONS
50+
{
51+
/* The startup code goes first into FLASH */
52+
.isr_vector :
53+
{
54+
. = ALIGN(4);
55+
KEEP(*(.isr_vector)) /* Startup code */
56+
. = ALIGN(4);
57+
} >FLASH
58+
59+
/* The program code and other data goes into FLASH */
60+
.text :
61+
{
62+
. = ALIGN(4);
63+
*(.text) /* .text sections (code) */
64+
*(.text*) /* .text* sections (code) */
65+
*(.glue_7) /* glue arm to thumb code */
66+
*(.glue_7t) /* glue thumb to arm code */
67+
*(.eh_frame)
68+
69+
KEEP (*(.init))
70+
KEEP (*(.fini))
71+
72+
. = ALIGN(4);
73+
_etext = .; /* define a global symbols at end of code */
74+
} >FLASH
75+
76+
/* Constant data goes into FLASH */
77+
.rodata :
78+
{
79+
. = ALIGN(4);
80+
*(.rodata) /* .rodata sections (constants, strings, etc.) */
81+
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
82+
. = ALIGN(4);
83+
} >FLASH
84+
85+
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
86+
.ARM : {
87+
__exidx_start = .;
88+
*(.ARM.exidx*)
89+
__exidx_end = .;
90+
} >FLASH
91+
92+
.preinit_array :
93+
{
94+
PROVIDE_HIDDEN (__preinit_array_start = .);
95+
KEEP (*(.preinit_array*))
96+
PROVIDE_HIDDEN (__preinit_array_end = .);
97+
} >FLASH
98+
.init_array :
99+
{
100+
PROVIDE_HIDDEN (__init_array_start = .);
101+
KEEP (*(SORT(.init_array.*)))
102+
KEEP (*(.init_array*))
103+
PROVIDE_HIDDEN (__init_array_end = .);
104+
} >FLASH
105+
.fini_array :
106+
{
107+
PROVIDE_HIDDEN (__fini_array_start = .);
108+
KEEP (*(SORT(.fini_array.*)))
109+
KEEP (*(.fini_array*))
110+
PROVIDE_HIDDEN (__fini_array_end = .);
111+
} >FLASH
112+
113+
/* used by the startup to initialize data */
114+
_sidata = LOADADDR(.data);
115+
116+
/* Initialized data sections goes into RAM, load LMA copy after code */
117+
.data :
118+
{
119+
. = ALIGN(4);
120+
_sdata = .; /* create a global symbol at data start */
121+
*(.data) /* .data sections */
122+
*(.data*) /* .data* sections */
123+
124+
. = ALIGN(4);
125+
_edata = .; /* define a global symbol at data end */
126+
} >RAM AT> FLASH
127+
128+
129+
/* Uninitialized data section */
130+
. = ALIGN(4);
131+
.bss :
132+
{
133+
/* This is used by the startup in order to initialize the .bss secion */
134+
_sbss = .; /* define a global symbol at bss start */
135+
__bss_start__ = _sbss;
136+
*(.bss)
137+
*(.bss*)
138+
*(COMMON)
139+
140+
. = ALIGN(4);
141+
_ebss = .; /* define a global symbol at bss end */
142+
__bss_end__ = _ebss;
143+
} >RAM
144+
145+
/* User_heap_stack section, used to check that there is enough RAM left */
146+
._user_heap_stack :
147+
{
148+
. = ALIGN(8);
149+
PROVIDE ( end = . );
150+
PROVIDE ( _end = . );
151+
. = . + _Min_Heap_Size;
152+
. = . + _Min_Stack_Size;
153+
. = ALIGN(8);
154+
} >RAM
155+
156+
157+
158+
/* Remove information from the standard libraries */
159+
/DISCARD/ :
160+
{
161+
libc.a ( * )
162+
libm.a ( * )
163+
libgcc.a ( * )
164+
}
165+
166+
.ARM.attributes 0 : { *(.ARM.attributes) }
167+
}
168+
169+

‎hw/bsp/stm32l0/boards/stm32l052dap52/board.h

Lines changed: 109 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,109 @@
1+
/*
2+
* The MIT License (MIT)
3+
*
4+
* Copyright (c) 2020, Ha Thach (tinyusb.org)
5+
*
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
*
13+
* The above copyright notice and this permission notice shall be included in
14+
* all copies or substantial portions of the Software.
15+
*
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22+
* THE SOFTWARE.
23+
*
24+
* This file is part of the TinyUSB stack.
25+
*/
26+
27+
#ifndef BOARD_H_
28+
#define BOARD_H_
29+
30+
#ifdef __cplusplus
31+
extern "C" {
32+
#endif
33+
34+
// LED
35+
#define LED_PORT GPIOB
36+
#define LED_PIN GPIO_PIN_4
37+
#define LED_STATE_ON 1
38+
39+
// Button
40+
#define BUTTON_PORT GPIOA
41+
#define BUTTON_PIN GPIO_PIN_6
42+
#define BUTTON_STATE_ACTIVE 0
43+
44+
// UART
45+
#define UART_DEV USART2
46+
#define UART_CLK_EN __HAL_RCC_USART2_CLK_ENABLE
47+
#define UART_GPIO_PORT GPIOA
48+
#define UART_GPIO_AF GPIO_AF4_USART2
49+
#define UART_TX_PIN GPIO_PIN_2
50+
#define UART_RX_PIN GPIO_PIN_3
51+
52+
//--------------------------------------------------------------------+
53+
// RCC Clock
54+
//--------------------------------------------------------------------+
55+
static inline void board_stm32l0_clock_init(void)
56+
{
57+
RCC_ClkInitTypeDef RCC_ClkInitStruct;
58+
RCC_OscInitTypeDef RCC_OscInitStruct;
59+
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
60+
static RCC_CRSInitTypeDef RCC_CRSInitStruct;
61+
62+
/* Enable HSI Oscillator to be used as System clock source
63+
Enable HSI48 Oscillator to be used as USB clock source */
64+
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI48;
65+
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
66+
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
67+
HAL_RCC_OscConfig(&RCC_OscInitStruct);
68+
69+
/* Select HSI48 as USB clock source */
70+
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
71+
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
72+
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
73+
74+
/* Select HSI as system clock source and configure the HCLK, PCLK1 and PCLK2
75+
clock dividers */
76+
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
77+
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
78+
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
79+
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
80+
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
81+
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);
82+
83+
/*Configure the clock recovery system (CRS)**********************************/
84+
85+
/*Enable CRS Clock*/
86+
__HAL_RCC_CRS_CLK_ENABLE();
87+
88+
/* Default Synchro Signal division factor (not divided) */
89+
RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
90+
/* Set the SYNCSRC[1:0] bits according to CRS_Source value */
91+
RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
92+
/* HSI48 is synchronized with USB SOF at 1KHz rate */
93+
RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000, 1000);
94+
RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
95+
/* Set the TRIM[5:0] to the default value*/
96+
RCC_CRSInitStruct.HSI48CalibrationValue = 0x20;
97+
/* Start automatic synchronization */
98+
HAL_RCCEx_CRSConfig (&RCC_CRSInitStruct);
99+
}
100+
101+
static inline void board_vbus_sense_init(void)
102+
{
103+
}
104+
105+
#ifdef __cplusplus
106+
}
107+
#endif
108+
109+
#endif /* BOARD_H_ */

‎hw/bsp/stm32l0/boards/stm32l052dap52/board.mk

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
1+
CFLAGS += -DSTM32L052xx -DCFG_EXAMPLE_VIDEO_READONLY
2+
3+
LD_FILE = $(BOARD_PATH)/STM32L052K8Ux_FLASH.ld
4+
5+
SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l052xx.s
6+
7+
# For flash-jlink target
8+
JLINK_DEVICE = stm32l052k8
9+
10+
# flash target using on-board stlink
11+
flash: flash-stlink

0 commit comments

Comments
 (0)