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
|
#include <stm32f0xx_hal.h>
#include <stm32f0xx_hal_rcc.h>
#include <stm32f0xx_hal_i2c.h>
#include <stm32f0xx_hal_uart.h>
#include <FreeRTOS.h>
#include <task.h>
#include "esp8266.h"
#include "setup.h"
#include "backlog.h"
#include "server.h"
#include "util.h"
I2C_HandleTypeDef hi2c1 = {
.Instance = I2C1,
.Init.Timing = 0x2000090E,
.Init.OwnAddress1 = 0,
.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT,
.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE,
.Init.OwnAddress2 = 0,
.Init.OwnAddress2Masks = I2C_OA2_NOMASK,
.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE,
.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE,
};
UART_HandleTypeDef huart1 = {
.Instance = USART1,
.Init.BaudRate = 115200,
.Init.WordLength = UART_WORDLENGTH_8B,
.Init.StopBits = UART_STOPBITS_1,
.Init.Parity = UART_PARITY_NONE,
.Init.Mode = UART_MODE_TX_RX,
.Init.HwFlowCtl = UART_HWCONTROL_NONE,
.Init.OverSampling = UART_OVERSAMPLING_16,
};
UART_HandleTypeDef huart2 = {
.Instance = USART2,
.Init.BaudRate = 115200,
.Init.WordLength = UART_WORDLENGTH_8B,
.Init.StopBits = UART_STOPBITS_1,
.Init.Parity = UART_PARITY_NONE,
.Init.Mode = UART_MODE_TX_RX,
.Init.HwFlowCtl = UART_HWCONTROL_NONE,
.Init.OverSampling = UART_OVERSAMPLING_16,
.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE,
.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT,
};
DMA_HandleTypeDef hdma_usart1_rx = {
.Instance = DMA1_Channel1,
.Init.Direction = DMA_PERIPH_TO_MEMORY,
.Init.PeriphInc = DMA_PINC_DISABLE,
.Init.MemInc = DMA_MINC_ENABLE,
.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE,
.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE,
.Init.Mode = DMA_CIRCULAR,
.Init.Priority = DMA_PRIORITY_LOW,
};
DMA_HandleTypeDef hdma_usart1_tx = {
.Instance = DMA1_Channel2,
.Init.Direction = DMA_MEMORY_TO_PERIPH,
.Init.PeriphInc = DMA_PINC_DISABLE,
.Init.MemInc = DMA_MINC_ENABLE,
.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE,
.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE,
.Init.Mode = DMA_NORMAL,
.Init.Priority = DMA_PRIORITY_LOW,
};
static void ws_io_clock_setup();
static void ws_io_i2c_setup();
static void ws_io_usart1_setup();
static void ws_io_usart2_setup();
static void ws_io_dma_setup();
static void ws_setup_error_handler();
void ws_io_setup() {
HAL_Init();
ws_io_clock_setup();
ws_io_i2c_setup();
ws_io_dma_setup();
ws_io_usart1_setup();
ws_io_usart2_setup();
ws_io_dma_setup();
HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef) {
.Pin = GPIO_PIN_5,
.Mode = GPIO_MODE_OUTPUT_PP,
.Pull = GPIO_NOPULL
});
// TODO: remove debug size
ws_backlog_alloc(24 * 60);
// ws_backlog_alloc(10);
#ifdef WS_DBG_PRINT_ESP_OVER_USART2
ws_dbg_set_usart2_tty_color(WS_DBG_TTY_COLOR_DBGMSG);
const char restart_str[] = "\r\n--- stm restart ---\r\n";
HAL_UART_Transmit(&huart2, (uint8_t*) restart_str, strlen(restart_str), 100);
#endif
ws_esp8266_ap_client_mode();
#ifdef WS_ESP8266_WLAN_MAC
ws_esp8266_set_mac();
#endif
#ifdef WS_ESP8266_WLAN_IP
ws_esp8266_set_ip();
#endif
do ws_esp8266_connect(); while (g_ws_server_parser.last_response == WS_SERVER_RC_ERR);
ws_esp8266_start_tcp_server();
}
static void ws_io_clock_setup() {
if (HAL_OK != HAL_RCC_OscConfig(&(RCC_OscInitTypeDef){
.OscillatorType = RCC_OSCILLATORTYPE_HSI,
.HSIState = RCC_HSI_ON,
.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT,
.PLL.PLLState = RCC_PLL_ON,
.PLL.PLLSource = RCC_PLLSOURCE_HSI,
.PLL.PLLMUL = RCC_PLL_MUL12,
.PLL.PREDIV = RCC_PREDIV_DIV2,
})) return ws_setup_error_handler();
if (HAL_OK != HAL_RCC_ClockConfig(&(RCC_ClkInitTypeDef){
.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1,
.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK,
.AHBCLKDivider = RCC_SYSCLK_DIV1,
.APB1CLKDivider = RCC_HCLK_DIV1,
}, FLASH_LATENCY_1)) return ws_setup_error_handler();
if (HAL_RCCEx_PeriphCLKConfig(&(RCC_PeriphCLKInitTypeDef){
.PeriphClockSelection = RCC_PERIPHCLK_USART2|RCC_PERIPHCLK_I2C1,
.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1,
.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI,
}) != HAL_OK) return ws_setup_error_handler();
}
static void ws_io_i2c_setup() {
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
return ws_setup_error_handler();
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
return ws_setup_error_handler();
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
return ws_setup_error_handler();
}
static void ws_io_usart1_setup() {
if (HAL_UART_Init(&huart1) != HAL_OK)
return ws_setup_error_handler();
HAL_UART_Receive_DMA(&huart1, g_ws_esp8266_dma_rx_buffer, WS_DMA_RX_BUFFER_SIZE);
__HAL_DMA_DISABLE_IT(&hdma_usart1_rx, DMA_IT_HT);
__HAL_UART_ENABLE_IT(&huart1, UART_IT_RXNE); // enable receive intterupts
__HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE); // enable idle line detection
}
static void ws_io_usart2_setup() {
if (HAL_UART_Init(&huart2) != HAL_OK)
return ws_setup_error_handler();
}
static void ws_io_dma_setup() {
__HAL_RCC_DMA1_CLK_ENABLE();
// interrupt priorities
HAL_NVIC_SetPriority(DMA1_Ch1_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(DMA1_Ch1_IRQn);
HAL_NVIC_SetPriority(DMA1_Ch2_3_DMA2_Ch1_2_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(DMA1_Ch2_3_DMA2_Ch1_2_IRQn);
}
void HAL_MspInit() {
__HAL_RCC_SYSCFG_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
HAL_NVIC_SetPriority(PendSV_IRQn, 3, 0);
}
void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c) {
if(hi2c->Instance != I2C1) return;
__HAL_RCC_GPIOB_CLK_ENABLE();
HAL_GPIO_Init(GPIOB, &(GPIO_InitTypeDef) {
.Pin = GPIO_PIN_8|GPIO_PIN_9, //TODO: use #defines in setup.h
.Mode = GPIO_MODE_AF_OD,
.Pull = GPIO_NOPULL,
.Speed = GPIO_SPEED_FREQ_HIGH,
.Alternate = GPIO_AF1_I2C1,
});
__HAL_RCC_I2C1_CLK_ENABLE();
}
void HAL_UART_MspInit(UART_HandleTypeDef *huart) {
if(huart->Instance == USART1) {
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef){
.Pin = WS_PINOUT_USART1_TX_PIN | WS_PINOUT_USART1_RX_PIN,
.Mode = GPIO_MODE_AF_PP,
.Pull = GPIO_NOPULL,
.Speed = GPIO_SPEED_FREQ_HIGH,
.Alternate = GPIO_AF1_USART1,
});
// DMA setup
if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK) return ws_setup_error_handler();
__HAL_DMA1_REMAP(HAL_DMA1_CH1_USART1_RX);
__HAL_LINKDMA(huart, hdmarx, hdma_usart1_rx);
if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK) return ws_setup_error_handler();
__HAL_DMA1_REMAP(HAL_DMA1_CH2_USART1_TX);
__HAL_LINKDMA(huart, hdmatx, hdma_usart1_tx);
// USART1 interrupt Init
HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USART1_IRQn);
} else if (huart->Instance == USART2) {
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef) {
.Pin = WS_PINOUT_USART2_TX_PIN | WS_PINOUT_USART2_RX_PIN,
.Mode = GPIO_MODE_AF_PP,
.Pull = GPIO_NOPULL,
.Speed = GPIO_SPEED_FREQ_LOW,
.Alternate = GPIO_AF1_USART2,
});
}
}
void SysTick_Handler() {
HAL_IncTick();
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) xPortSysTickHandler();
}
static void ws_setup_error_handler() {
__disable_irq();
for(;;);
}
void NMI_Handler() {
for(;;);
}
void HardFault_Handler() {
for(;;);
}
|