1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
|
/**
******************************************************************************
* File Name : main.c
* Date : 08/07/2015 17:46:00
* Description : Main program body
******************************************************************************
*
* COPYRIGHT(c) 2015 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stm-init.h"
#ifdef HAL_GPIO_MODULE_ENABLED
#include "stm-led.h"
#endif
#ifdef HAL_SRAM_MODULE_ENABLED
#include "stm-fmc.h"
#endif
#ifdef HAL_UART_MODULE_ENABLED
#include "stm-uart.h"
#endif
#ifdef HAL_I2C_MODULE_ENABLED
#include "stm-rtc.h"
#endif
#ifdef HAL_SPI_MODULE_ENABLED
#include "stm-fpgacfg.h"
#endif
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
#ifdef HAL_GPIO_MODULE_ENABLED
static void MX_GPIO_Init(void);
#endif
#ifdef HAL_UART_MODULE_ENABLED
static void MX_USART1_UART_Init(void);
static void MX_USART2_UART_Init(void);
#endif
#ifdef HAL_I2C_MODULE_ENABLED
static void MX_I2C2_Init(void);
#endif
#ifdef HAL_SPI_MODULE_ENABLED
static void MX_SPI2_Init(void);
#endif
void stm_init(void)
{
/* MCU Configuration----------------------------------------------------------*/
/* System interrupt init*/
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
/* Initialize all configured peripherals */
#ifdef HAL_GPIO_MODULE_ENABLED
MX_GPIO_Init();
#ifdef HAL_SPI_MODULE_ENABLED
/* Give the FPGA access to it's bitstream ASAP (maybe this should actually
* be done in the application, before calling stm_init()).
*/
fpgacfg_give_access_to_fpga();
#endif
#endif
#ifdef HAL_UART_MODULE_ENABLED
MX_USART1_UART_Init();
MX_USART2_UART_Init();
#endif
#ifdef HAL_I2C_MODULE_ENABLED
MX_I2C2_Init();
#endif
#ifdef HAL_SPI_MODULE_ENABLED
MX_SPI2_Init();
#endif
}
#ifdef HAL_UART_MODULE_ENABLED
/* USART1 init function */
static void MX_USART1_UART_Init(void)
{
huart_mgmt.Instance = USART1;
huart_mgmt.Init.BaudRate = USART_MGMT_BAUD_RATE;
huart_mgmt.Init.WordLength = UART_WORDLENGTH_8B;
huart_mgmt.Init.StopBits = UART_STOPBITS_1;
huart_mgmt.Init.Parity = UART_PARITY_NONE;
huart_mgmt.Init.Mode = UART_MODE_TX_RX;
huart_mgmt.Init.HwFlowCtl = UART_HWCONTROL_RTS_CTS;
huart_mgmt.Init.OverSampling = UART_OVERSAMPLING_16;
if (HAL_UART_Init(&huart_mgmt) != HAL_OK) {
/* Initialization Error */
Error_Handler();
}
}
/* USART2 init function */
static void MX_USART2_UART_Init(void)
{
huart_user.Instance = USART2;
huart_user.Init.BaudRate = USART_USER_BAUD_RATE;
huart_user.Init.WordLength = UART_WORDLENGTH_8B;
huart_user.Init.StopBits = UART_STOPBITS_1;
huart_user.Init.Parity = UART_PARITY_NONE;
huart_user.Init.Mode = UART_MODE_TX_RX;
huart_user.Init.HwFlowCtl = UART_HWCONTROL_RTS_CTS;
huart_user.Init.OverSampling = UART_OVERSAMPLING_16;
if (HAL_UART_Init(&huart_user) != HAL_OK) {
/* Initialization Error */
Error_Handler();
}
}
#endif
#ifdef HAL_GPIO_MODULE_ENABLED
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__GPIOK_CLK_ENABLE();
/* Configure LED GPIO pins PJ1==red, PJ2==yellow, PJ3==green, PJ4==blue */
GPIO_InitStruct.Pin = LED_RED | LED_YELLOW | LED_GREEN | LED_BLUE;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
#ifdef HAL_SPI_MODULE_ENABLED
/* Set up GPIOs to manage access to the FPGA config memory. */
/* GPIO Ports Clock Enable */
__GPIOI_CLK_ENABLE();
__GPIOF_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(PROM_FPGA_DIS_GPIO_Port, PROM_FPGA_DIS_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(PROM_ARM_ENA_GPIO_Port, PROM_ARM_ENA_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(PROM_CS_N_GPIO_Port, PROM_CS_N_Pin, GPIO_PIN_SET); // active-low!!!
/*Configure GPIO pin : PROM_FPGA_DIS */
GPIO_InitStruct.Pin = PROM_FPGA_DIS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(PROM_FPGA_DIS_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : PROM_ARM_ENA */
GPIO_InitStruct.Pin = PROM_ARM_ENA_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(PROM_ARM_ENA_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : PROM_CS_N */
GPIO_InitStruct.Pin = PROM_CS_N_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(PROM_CS_N_GPIO_Port, &GPIO_InitStruct);
#endif /* HAL_SPI_MODULE_ENABLED */
}
#endif
#ifdef HAL_I2C_MODULE_ENABLED
/* I2C2 init function (external RTC chip) */
void MX_I2C2_Init(void)
{
hi2c_rtc.Instance = I2C2;
hi2c_rtc.Init.ClockSpeed = 10000;
hi2c_rtc.Init.DutyCycle = I2C_DUTYCYCLE_2;
hi2c_rtc.Init.OwnAddress1 = 0; /* Will operate as Master */
hi2c_rtc.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c_rtc.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
hi2c_rtc.Init.OwnAddress2 = 0;
hi2c_rtc.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
hi2c_rtc.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
if (HAL_I2C_Init(&hi2c_rtc) != HAL_OK) {
Error_Handler();
}
}
#endif
#ifdef HAL_SPI_MODULE_ENABLED
/* SPI2 (FPGA config memory) init function */
void MX_SPI2_Init(void)
{
hspi_fpgacfg.Instance = SPI2;
hspi_fpgacfg.Init.Mode = SPI_MODE_MASTER;
hspi_fpgacfg.Init.Direction = SPI_DIRECTION_2LINES;
hspi_fpgacfg.Init.DataSize = SPI_DATASIZE_8BIT;
hspi_fpgacfg.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi_fpgacfg.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi_fpgacfg.Init.NSS = SPI_NSS_SOFT;
hspi_fpgacfg.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi_fpgacfg.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi_fpgacfg.Init.TIMode = SPI_TIMODE_DISABLE;
hspi_fpgacfg.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi_fpgacfg.Init.CRCPolynomial = 10;
HAL_SPI_Init(&hspi_fpgacfg);
}
#endif /* HAL_SPI_MODULE_ENABLED */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void Error_Handler(void)
{
#ifdef HAL_GPIO_MODULE_ENABLED
HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
#endif
while (1) { ; }
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
