Mercurial > public > ostc4
annotate Discovery/Src/display.c @ 615:556df4a8f418
Moved non critical functions from timer interrupt to main loop:
Especially the drawing of the minilog could potentially cause an overrun of the timer interrupt without need => Moved to main loop.
| author | Ideenmodellierer |
|---|---|
| date | Wed, 27 Jan 2021 21:56:48 +0100 |
| parents | 5ca177d2df5d |
| children | f7318457df4d |
| rev | line source |
|---|---|
| 38 | 1 |
| 2 #include "stm32f4xx_hal.h" /* for HAL_Delay() */ | |
| 3 #include "ostc.h" | |
| 4 #include "display.h" | |
| 5 | |
| 6 #define ENABLE_EXTENDED_COMMANDS 0xB9 | |
| 7 #define SET_POWER 0xB1 | |
| 8 #define SLEEP_OUT 0x11 | |
| 9 #define DISPLAY_INVERSION_OFF 0x20 | |
| 10 #define MEMORY_ACCESS_ONTROL 0x36 | |
| 11 #define INTERFACE_PIXEL_FORMAT 0x3A | |
| 12 #define SET_RGB_INTERFACE_RELATED 0xB3 | |
| 13 #define SET_DISPLAY_WAVEFORM 0xB4 | |
| 14 #define SET_PANEL 0xCC | |
| 15 #define SET_GAMMA_CURVE_RELATED 0xE0 | |
| 16 #define DISPLAY_ON 0x29 | |
| 17 #define DISPLAY_OFF 0x28 | |
| 18 #define SLEEP_IN 0x10 | |
| 19 | |
| 20 | |
| 21 static void Display_Error_Handler(void); | |
| 22 | |
| 23 void display_power_on__1_of_2__pre_RGB(void) | |
| 24 { | |
| 25 /* reset system */ | |
| 26 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select | |
| 27 | |
| 28 HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_RESET); | |
| 29 HAL_Delay(10); | |
| 30 HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_SET); | |
| 31 HAL_Delay(10); | |
| 32 | |
| 33 /* RGB signals should be now for 2 frames or more (datasheet) */ | |
| 34 } | |
| 35 | |
| 36 | |
|
300
5ca177d2df5d
cleanup: remove commented/unused code, make static
Jan Mulder <jlmulder@xs4all.nl>
parents:
38
diff
changeset
|
37 static void send(uint8_t *pData, uint16_t inputlength) |
| 38 | 38 { |
| 39 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_RESET); // chip select | |
| 40 | |
| 41 if(HAL_SPI_Transmit(&hspiDisplay,(uint8_t*)pData, inputlength, 10000) != HAL_OK) | |
| 42 Display_Error_Handler(); | |
| 43 | |
| 44 while (HAL_SPI_GetState(&hspiDisplay) != HAL_SPI_STATE_READY) | |
| 45 { | |
| 46 } | |
| 47 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select | |
| 48 } | |
| 49 | |
| 50 | |
|
300
5ca177d2df5d
cleanup: remove commented/unused code, make static
Jan Mulder <jlmulder@xs4all.nl>
parents:
38
diff
changeset
|
51 static uint16_t convert8to9to8(uint8_t *pInput, uint8_t *pOutput,uint16_t inputlength) |
| 38 | 52 { |
| 53 uint16_t outputlength; | |
| 54 uint8_t readbit = 0x80;//0b1000000; | |
| 55 uint8_t writebit = 0x40;//0b0100000; | |
| 56 uint16_t i,j,k; | |
| 57 | |
| 58 outputlength = ((inputlength+7)/8)*9; | |
| 59 | |
| 60 for(i=0;i<outputlength;i++) | |
| 61 pOutput[i] = 0; | |
| 62 | |
| 63 k = 0; | |
| 64 for(i=0;i<inputlength;i++) | |
| 65 { | |
| 66 if(i != 0) | |
| 67 { | |
| 68 pOutput[k] |= writebit; // 9. bit | |
| 69 writebit = writebit >> 1; | |
| 70 if(writebit == 0) | |
| 71 { | |
| 72 writebit = 0x80; | |
| 73 k++; | |
| 74 } | |
| 75 } | |
| 76 for(j=0;j<8;j++) | |
| 77 { | |
| 78 if((pInput[i] & readbit) != 0) | |
| 79 { | |
| 80 pOutput[k] |= writebit; | |
| 81 } | |
| 82 readbit = readbit >> 1; | |
| 83 if(readbit == 0) | |
| 84 readbit = 0x80; | |
| 85 writebit = writebit >> 1; | |
| 86 if(writebit == 0) | |
| 87 { | |
| 88 writebit = 0x80; | |
| 89 k++; | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 return outputlength; | |
| 94 } | |
| 95 | |
| 96 void display_power_on__2_of_2__post_RGB(void) | |
| 97 { | |
| 98 uint8_t aTxBuffer[32]; | |
| 99 uint8_t bTxBuffer[36]; | |
| 100 uint16_t i,length; | |
| 101 | |
| 102 for(i=0;i<32;i++) | |
| 103 aTxBuffer[i] = 0; | |
| 104 for(i=0;i<36;i++) | |
| 105 bTxBuffer[i] = 0; | |
| 106 | |
| 107 aTxBuffer[0] = ENABLE_EXTENDED_COMMANDS; | |
| 108 aTxBuffer[1] = 0xFF; | |
| 109 aTxBuffer[2] = 0x83; | |
| 110 aTxBuffer[3] = 0x63; | |
| 111 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,4); | |
| 112 send((uint8_t*)bTxBuffer, length); | |
| 113 | |
| 114 aTxBuffer[0] = SET_POWER; | |
| 115 aTxBuffer[1] = 0x81; | |
| 116 aTxBuffer[2] = 0x24; | |
| 117 aTxBuffer[3] = 0x04; | |
| 118 aTxBuffer[4] = 0x02; | |
| 119 aTxBuffer[5] = 0x02; | |
| 120 aTxBuffer[6] = 0x03; | |
| 121 aTxBuffer[7] = 0x10; | |
| 122 aTxBuffer[8] = 0x10; | |
| 123 aTxBuffer[9] = 0x34; | |
| 124 aTxBuffer[10] = 0x3C; | |
| 125 aTxBuffer[11] = 0x3F; | |
| 126 aTxBuffer[12] = 0x3F; | |
| 127 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13); | |
| 128 send((uint8_t*)bTxBuffer, length); | |
| 129 | |
| 130 aTxBuffer[0] = SLEEP_OUT; | |
| 131 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); | |
| 132 send((uint8_t*)bTxBuffer, length); | |
| 133 HAL_Delay(5+1); | |
| 134 | |
| 135 aTxBuffer[0] = DISPLAY_INVERSION_OFF; | |
| 136 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); | |
| 137 send((uint8_t*)bTxBuffer, length); | |
| 138 | |
| 139 aTxBuffer[0] = MEMORY_ACCESS_ONTROL; | |
| 140 aTxBuffer[1] = 0x00; | |
| 141 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); | |
| 142 send((uint8_t*)bTxBuffer, length); | |
| 143 | |
| 144 aTxBuffer[0] = INTERFACE_PIXEL_FORMAT; | |
| 145 aTxBuffer[1] = 0x70; | |
| 146 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); | |
| 147 send((uint8_t*)bTxBuffer, length); | |
| 148 HAL_Delay(120+20); | |
| 149 | |
| 150 aTxBuffer[0] = SET_POWER; | |
| 151 aTxBuffer[1] = 0x78; | |
| 152 aTxBuffer[2] = 0x24; | |
| 153 aTxBuffer[3] = 0x04, | |
| 154 aTxBuffer[4] = 0x02; | |
| 155 aTxBuffer[5] = 0x02; | |
| 156 aTxBuffer[6] = 0x03; | |
| 157 aTxBuffer[7] = 0x10; | |
| 158 aTxBuffer[8] = 0x10; | |
| 159 aTxBuffer[9] = 0x34; | |
| 160 aTxBuffer[10] = 0x3C; | |
| 161 aTxBuffer[11] = 0x3F; | |
| 162 aTxBuffer[12] = 0x3F; | |
| 163 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13); | |
| 164 send((uint8_t*)bTxBuffer, length); | |
| 165 | |
| 166 aTxBuffer[0] = SET_RGB_INTERFACE_RELATED; | |
| 167 aTxBuffer[1] = 0x01; | |
| 168 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); | |
| 169 send((uint8_t*)bTxBuffer, length); | |
| 170 | |
| 171 aTxBuffer[0] = SET_DISPLAY_WAVEFORM; | |
| 172 aTxBuffer[1] = 0x00; | |
| 173 aTxBuffer[2] = 0x08; | |
| 174 aTxBuffer[3] = 0x56; | |
| 175 aTxBuffer[4] = 0x07; | |
| 176 aTxBuffer[5] = 0x01; | |
| 177 aTxBuffer[6] = 0x01; | |
| 178 aTxBuffer[7] = 0x4D; | |
| 179 aTxBuffer[8] = 0x01; | |
| 180 aTxBuffer[9] = 0x42; | |
| 181 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,10); | |
| 182 send((uint8_t*)bTxBuffer, length); | |
| 183 | |
| 184 aTxBuffer[0] = SET_PANEL; | |
| 185 aTxBuffer[1] = 0x0B; | |
| 186 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); | |
| 187 send((uint8_t*)bTxBuffer, length); | |
| 188 | |
| 189 aTxBuffer[0] = SET_GAMMA_CURVE_RELATED; | |
| 190 aTxBuffer[1] = 0x01; | |
| 191 aTxBuffer[2] = 0x48; | |
| 192 aTxBuffer[3] = 0x4D; | |
| 193 aTxBuffer[4] = 0x4E; | |
| 194 aTxBuffer[5] = 0x58; | |
| 195 aTxBuffer[6] = 0xF6; | |
| 196 aTxBuffer[7] = 0x0B; | |
| 197 aTxBuffer[8] = 0x4E; | |
| 198 aTxBuffer[9] = 0x12; | |
| 199 aTxBuffer[10] = 0xD5; | |
| 200 aTxBuffer[11] = 0x15; | |
| 201 aTxBuffer[12] = 0x95; | |
| 202 aTxBuffer[13] = 0x55; | |
| 203 aTxBuffer[14] = 0x8E; | |
| 204 aTxBuffer[15] = 0x11; | |
| 205 aTxBuffer[16] = 0x01; | |
| 206 aTxBuffer[17] = 0x48; | |
| 207 aTxBuffer[18] = 0x4D; | |
| 208 aTxBuffer[19] = 0x55; | |
| 209 aTxBuffer[20] = 0x5F; | |
| 210 aTxBuffer[21] = 0xFD; | |
| 211 aTxBuffer[22] = 0x0A; | |
| 212 aTxBuffer[23] = 0x4E; | |
| 213 aTxBuffer[24] = 0x51; | |
| 214 aTxBuffer[25] = 0xD3; | |
| 215 aTxBuffer[26] = 0x17; | |
| 216 aTxBuffer[27] = 0x95; | |
| 217 aTxBuffer[28] = 0x96; | |
| 218 aTxBuffer[29] = 0x4E; | |
| 219 aTxBuffer[30] = 0x11; | |
| 220 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,31); | |
| 221 send((uint8_t*)bTxBuffer, length); | |
| 222 HAL_Delay(5+1); | |
| 223 | |
| 224 aTxBuffer[0] = DISPLAY_ON; | |
| 225 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); | |
| 226 send((uint8_t*)bTxBuffer, length); | |
| 227 } | |
| 228 | |
| 229 | |
| 230 static void Display_Error_Handler(void) | |
| 231 { | |
| 232 while(1) | |
| 233 { | |
| 234 } | |
| 235 } |