1 /*
2 ******************************************************************************
3 * @file HAL_LCD.c
4 * @version V1.0.0
5 * @date 2020
6 * @brief LCD HAL module driver.
7 * This file provides firmware functions to manage the following
8 * functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (LCD).
9 * @ Initialization and de-initialization functions
10 * @ IO operation functions
11 * @ Peripheral Control functions
12 ******************************************************************************
13 */
14 #include "ACM32Fxx_HAL.h"
15
16 /*********************************************************************************
17 * Function : HAL_LCD_MspInit
18 * Description : Initialize the LCD MSP.
19 * Input : hcan : pointer to a LCD structure that contains
20 * the configuration information for LCD module
21 * Output :
22 * Author : CWT Data : 2020年
23 **********************************************************************************/
HAL_LCD_MspInit(LCD_HandleTypeDef * hlcd)24 __weak void HAL_LCD_MspInit(LCD_HandleTypeDef *hlcd)
25 {
26
27 /* NOTE : This function only enable lcd clk and config NVIC
28 Because lcd's SEG and COM is different，so the gpio of lcd need user config self.*/
29
30 /* Enable LCD clock */
31 System_Module_Enable(EN_LCD);
32 /* Enable the LCD Frame interrupt */
33 hlcd->Instance->CR1 |= LCD_CR1_IE;
34 NVIC_ClearPendingIRQ(LCD_IRQn);
35 NVIC_SetPriority(LCD_IRQn, 5);
36 NVIC_EnableIRQ(LCD_IRQn);
37 }
38
39 /*********************************************************************************
40 * Function : HAL_LCD_MspDeInit
41 * Description : DeInitialize the LCD MSP.
42 * Input : hcan : pointer to a LCD structure that contains
43 * the configuration information for LCD module
44 * Output :
45 * Author : CWT Data : 2020年
46 **********************************************************************************/
HAL_LCD_MspDeInit(LCD_HandleTypeDef * hlcd)47 void HAL_LCD_MspDeInit(LCD_HandleTypeDef *hlcd)
48 {
49 /* Disable LCD clock */
50 System_Module_Disable(EN_LCD);
51 }
52 /*********************************************************************************
53 * Function : HAL_LCD_Init
54 * Description : Initialize the LCD.
55 * Input : hcan : pointer to a LCD structure that contains
56 * the configuration information for LCD module
57 * Output :
58 * Author : CWT Data : 2020年
59 **********************************************************************************/
HAL_LCD_Init(LCD_HandleTypeDef * hlcd)60 HAL_StatusTypeDef HAL_LCD_Init(LCD_HandleTypeDef *hlcd)
61 {
62 /* Check the parameters */
63 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
64 if(!IS_LCD_DUTY(hlcd->Init.Duty)) return HAL_ERROR;
65 if(!IS_LCD_BIAS(hlcd->Init.Bias)) return HAL_ERROR;
66 if(!IS_LCD_Driving_Waveform(hlcd->Init.Driving_Waveform)) return HAL_ERROR;
67 if(!IS_LCD_BiasSrc(hlcd->Init.BiasSrc)) return HAL_ERROR;
68 if(!IS_LCD_DisplayMode(hlcd->Init.DisplayMode)) return HAL_ERROR;
69
70 if(!IS_LCD_LCDFrequency(hlcd->Init.LCDFrequency)) return HAL_ERROR;
71 if(!IS_LCD_BlinkEN(hlcd->Init.BlinkEN)) return HAL_ERROR;
72 if(!IS_LCD_BlinkFrequency(hlcd->Init.BlinkFrequency)) return HAL_ERROR;
73
74 /* Reset the RST_LCD */
75 System_Module_Reset(RST_LCD);
76 HAL_LCD_MspInit(hlcd);
77 hlcd->Instance->CR0|=(LCD_CR0_LCDEN|hlcd->Init.LCDFrequency|hlcd->Init.Bias|hlcd->Init.Duty|hlcd->Init.BiasSrc|hlcd->Init.Driving_Waveform);
78 hlcd->Instance->CR1|=(hlcd->Init.BlinkEN|hlcd->Init.BlinkFrequency|hlcd->Init.DisplayMode);
79 if(hlcd->Init.Driving_Waveform==LCD_Driving_Waveform_A)
80 {
81 hlcd->Instance->CR0&=~(LCD_CR0_WSEL);
82 }
83
84 if(hlcd->Init.Duty==LCD_DUTY_STATIC)
85 {
86 if(!IS_LCD_StaticPower(hlcd->Init.StaticPower)) return HAL_ERROR;
87 hlcd->Instance->CR0|=hlcd->Init.StaticPower;
88 }
89 else
90 {
91 hlcd->Instance->CR0&=~(LCD_CR0_STATIC);//当DUTY选择非静态时，该位必须设置为0
92 }
93 return HAL_OK;
94 }
95
96 /*********************************************************************************
97 * Function : HAL_LCD_DeInit
98 * Description : DeInitialize the LCD.
99 * Input : hcan : pointer to a LCD structure that contains
100 * the configuration information for LCD module
101 * Output :
102 * Author : CWT Data : 2020年
103 **********************************************************************************/
HAL_LCD_DeInit(LCD_HandleTypeDef * hlcd)104 HAL_StatusTypeDef HAL_LCD_DeInit(LCD_HandleTypeDef *hlcd)
105 {
106 /* Check the parameters */
107 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
108 /* Reset the CAN peripheral */
109 CLEAR_BIT(hlcd->Instance->CR0, LCD_CR0_LCDEN);
110
111 HAL_LCD_MspDeInit(hlcd);
112 /* Return function status */
113 return HAL_OK;
114 }
115 /*********************************************************************************
116 * Function : HAL_LCD_InResConfig
117 * Description : Initialize the LCD When LCD BiasSrc is LCD_BiasSrc_InRes_Seg31_35_Normal or LCD_BiasSrc_InRes_Seg31_35_Cap.
118 * Input : hlcd : pointer to a LCD structure that contains
119 * the configuration information for LCD module
120 * LCD_InResInitStruct:LCD_InResInitTypeDef
121 * Output :
122 * Author : CWT Data : 2020年
123 **********************************************************************************/
HAL_LCD_InResConfig(LCD_HandleTypeDef * hlcd,LCD_InResInitTypeDef * LCD_InResInitStruct)124 HAL_StatusTypeDef HAL_LCD_InResConfig(LCD_HandleTypeDef *hlcd,LCD_InResInitTypeDef* LCD_InResInitStruct)
125 {
126 /* Check the parameters */
127 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
128 /* Config when BiasSrc is Inside Resistance Mod */
129 if(hlcd->Init.BiasSrc!=LCD_BiasSrc_ExRes_Seg31_35_Cap)
130 {
131 /* Check the parameters */
132 if(!IS_LCD_BiasRes(LCD_InResInitStruct->BiasRes)) return HAL_ERROR;
133 if(!IS_LCD_DriveMod(LCD_InResInitStruct->DriveMod)) return HAL_ERROR;
134 if(!IS_LCD_FastCharge(LCD_InResInitStruct->FastCharge)) return HAL_ERROR;
135 if(!IS_LCD_Contrast(LCD_InResInitStruct->Contrast)) return HAL_ERROR;
136 /* Config LCD Contrast and Bias Resistance and DriveMod */
137 hlcd->Instance->CR0|=(LCD_InResInitStruct->Contrast);
138 hlcd->Instance->CR1|=(LCD_InResInitStruct->BiasRes|LCD_InResInitStruct->DriveMod);
139
140 /* Config LCD PONTime when DriveMod is Fast Charge and Fast Charge(FCC) is Enable. */
141 if(LCD_InResInitStruct->FastCharge==LCD_FastCharge_Enable && LCD_InResInitStruct->DriveMod==LCD_DriveMod_FC)
142 {
143 if(!IS_LCD_PONTime(LCD_InResInitStruct->PONTime)) return HAL_ERROR;
144 hlcd->Instance->CR1|=(LCD_InResInitStruct->PONTime<<18);
145 }
146 }
147 return HAL_OK;
148 }
149
150 /*********************************************************************************
151 * Function : HAL_LCD_SegComConfig
152 * Description : Config the LCD SEG and COM enable/disable.
153 * Input : hlcd : pointer to a LCD structure that contains
154 * the configuration information for LCD module
155 * SegCom:LCD_SegComInitTypeDef
156 * Output :
157 * Author : CWT Data : 2020年
158 **********************************************************************************/
HAL_LCD_SegComConfig(LCD_HandleTypeDef * hlcd,LCD_SegComInitTypeDef * SegCom)159 HAL_StatusTypeDef HAL_LCD_SegComConfig(LCD_HandleTypeDef *hlcd,LCD_SegComInitTypeDef *SegCom)
160 {
161 /* Check the parameters */
162 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
163 hlcd->Instance->LCD_POEN0=SegCom->SEG0_31;
164 hlcd->Instance->LCD_POEN1=SegCom->Stc_SEG32_39_COM0_8.SEG32_39_COM0_8;
165 return HAL_OK;
166 }
167
168 /*********************************************************************************
169 * Function : HAL_LCD_Write
170 * Description : Write LCD RAMx.
171 * Input : hlcd : pointer to a LCD structure that contains
172 * the configuration information for LCD module
173 * LCDRAMIndex:LCD RAM index
174 * Data:The data you want to write
175 * Output :
176 * Author : CWT Data : 2020年
177 **********************************************************************************/
HAL_LCD_Write(LCD_HandleTypeDef * hlcd,uint32_t LCDRAMIndex,uint32_t Data)178 HAL_StatusTypeDef HAL_LCD_Write(LCD_HandleTypeDef *hlcd, uint32_t LCDRAMIndex, uint32_t Data)
179 {
180 /* Check the parameters */
181 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
182 if(LCDRAMIndex>15) return HAL_ERROR;
183 /* Wrete Data bytes to LCD RAM register */
184 hlcd->Instance->LCD_RAM[LCDRAMIndex]=Data;
185 return HAL_OK;
186 }
187
188 /*********************************************************************************
189 * Function : HAL_LCD_Clear
190 * Description : Clear LCD RAMx.
191 * Input : hlcd : pointer to a LCD structure that contains
192 * the configuration information for LCD module
193 * Output :
194 * Author : CWT Data : 2020年
195 **********************************************************************************/
HAL_LCD_Clear(LCD_HandleTypeDef * hlcd)196 HAL_StatusTypeDef HAL_LCD_Clear(LCD_HandleTypeDef *hlcd)
197 {
198 uint8_t LCDRAMIndex=0;
199 /* Check the parameters */
200 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
201 /* Clear the LCD_RAM registers */
202 for(LCDRAMIndex = 0; LCDRAMIndex <= 15; LCDRAMIndex++)
203 {
204 hlcd->Instance->LCD_RAM[LCDRAMIndex] = 0U;
205 }
206 return HAL_OK;
207 }
208
209 /*********************************************************************************
210 * Function : HAL_LCD_Start_DMA
211 * Description : Start lcd dma transfer
212 * Input : hlcd : pointer to a LCD structure that contains
213 * the configuration information for LCD module
214 * pData:The data want to transfer
215 * Length:transfer Size
216 * Output :
217 * Author : CWT Data : 2020年
218 **********************************************************************************/
HAL_LCD_Start_DMA(LCD_HandleTypeDef * hlcd,uint32_t * pData,uint32_t Length)219 HAL_StatusTypeDef HAL_LCD_Start_DMA(LCD_HandleTypeDef *hlcd, uint32_t *pData, uint32_t Length)
220 {
221
222 /* Check the parameters */
223 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
224
225 hlcd->Instance->CR1 |= LCD_CR1_DMAEN;
226
227 if (HAL_DMA_Start_IT(hlcd->DMA_Handle,(uint32_t)pData,(uint32_t)(&hlcd->Instance->LCD_RAM[0]), Length))
228 {
229 return HAL_ERROR;
230 }
231
232 return HAL_OK;
233 }
234
235 /*********************************************************************************
236 * Function : HAL_LCD_Stop_DMA
237 * Description : Stop lcd dma transfer
238 * Input : hlcd : pointer to a LCD structure that contains
239 * the configuration information for LCD module
240 * pData:The data want to transfer
241 * Length:transfer Size
242 * Output :
243 * Author : CWT Data : 2020年
244 **********************************************************************************/
HAL_LCD_Stop_DMA(LCD_HandleTypeDef * hlcd)245 HAL_StatusTypeDef HAL_LCD_Stop_DMA(LCD_HandleTypeDef *hlcd)
246 {
247 HAL_StatusTypeDef status = HAL_OK;
248 /* Check the parameters */
249 if(!IS_LCD_PERIPH(hlcd->Instance)) return HAL_ERROR;
250
251 hlcd->Instance->CR1 &=~ LCD_CR1_DMAEN;
252
253 status = HAL_DMA_Abort(hlcd->DMA_Handle);
254
255 return status;
256 }
257
258 /*********************************************************************************
259 * Function : HAL_LCD_IRQHandler
260 * Description : HAL_LCD_IRQHandler
261 * Input : hlcd : pointer to a LCD structure that contains
262 * the configuration information for LCD module
263 * Output :
264 * Author : CWT Data : 2020年
265 **********************************************************************************/
HAL_LCD_IRQHandler(LCD_HandleTypeDef * hlcd)266 void HAL_LCD_IRQHandler(LCD_HandleTypeDef *hlcd)
267 {
268 hlcd->Instance->INTCLR &=~ (LCD_INTCLR_INTFT);
269 }
270