Mercurial > public > ostc4
view Discovery/Src/display.c @ 498:4811f3dfaa52
Added dew parameter to enable selection of customer BigFont screens to be displayed
In previous versions the available views were derived from the settings for the standard view. Direct selection for Bigfont screens was not possible
author | Ideenmodellierer |
---|---|
date | Mon, 24 Aug 2020 19:30:15 +0200 |
parents | 5ca177d2df5d |
children | f7318457df4d |
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#include "stm32f4xx_hal.h" /* for HAL_Delay() */ #include "ostc.h" #include "display.h" #define ENABLE_EXTENDED_COMMANDS 0xB9 #define SET_POWER 0xB1 #define SLEEP_OUT 0x11 #define DISPLAY_INVERSION_OFF 0x20 #define MEMORY_ACCESS_ONTROL 0x36 #define INTERFACE_PIXEL_FORMAT 0x3A #define SET_RGB_INTERFACE_RELATED 0xB3 #define SET_DISPLAY_WAVEFORM 0xB4 #define SET_PANEL 0xCC #define SET_GAMMA_CURVE_RELATED 0xE0 #define DISPLAY_ON 0x29 #define DISPLAY_OFF 0x28 #define SLEEP_IN 0x10 static void Display_Error_Handler(void); void display_power_on__1_of_2__pre_RGB(void) { /* reset system */ HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_RESET); HAL_Delay(10); HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_SET); HAL_Delay(10); /* RGB signals should be now for 2 frames or more (datasheet) */ } static void send(uint8_t *pData, uint16_t inputlength) { HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_RESET); // chip select if(HAL_SPI_Transmit(&hspiDisplay,(uint8_t*)pData, inputlength, 10000) != HAL_OK) Display_Error_Handler(); while (HAL_SPI_GetState(&hspiDisplay) != HAL_SPI_STATE_READY) { } HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select } static uint16_t convert8to9to8(uint8_t *pInput, uint8_t *pOutput,uint16_t inputlength) { uint16_t outputlength; uint8_t readbit = 0x80;//0b1000000; uint8_t writebit = 0x40;//0b0100000; uint16_t i,j,k; outputlength = ((inputlength+7)/8)*9; for(i=0;i<outputlength;i++) pOutput[i] = 0; k = 0; for(i=0;i<inputlength;i++) { if(i != 0) { pOutput[k] |= writebit; // 9. bit writebit = writebit >> 1; if(writebit == 0) { writebit = 0x80; k++; } } for(j=0;j<8;j++) { if((pInput[i] & readbit) != 0) { pOutput[k] |= writebit; } readbit = readbit >> 1; if(readbit == 0) readbit = 0x80; writebit = writebit >> 1; if(writebit == 0) { writebit = 0x80; k++; } } } return outputlength; } void display_power_on__2_of_2__post_RGB(void) { uint8_t aTxBuffer[32]; uint8_t bTxBuffer[36]; uint16_t i,length; for(i=0;i<32;i++) aTxBuffer[i] = 0; for(i=0;i<36;i++) bTxBuffer[i] = 0; aTxBuffer[0] = ENABLE_EXTENDED_COMMANDS; aTxBuffer[1] = 0xFF; aTxBuffer[2] = 0x83; aTxBuffer[3] = 0x63; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,4); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SET_POWER; aTxBuffer[1] = 0x81; aTxBuffer[2] = 0x24; aTxBuffer[3] = 0x04; aTxBuffer[4] = 0x02; aTxBuffer[5] = 0x02; aTxBuffer[6] = 0x03; aTxBuffer[7] = 0x10; aTxBuffer[8] = 0x10; aTxBuffer[9] = 0x34; aTxBuffer[10] = 0x3C; aTxBuffer[11] = 0x3F; aTxBuffer[12] = 0x3F; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SLEEP_OUT; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); send((uint8_t*)bTxBuffer, length); HAL_Delay(5+1); aTxBuffer[0] = DISPLAY_INVERSION_OFF; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = MEMORY_ACCESS_ONTROL; aTxBuffer[1] = 0x00; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = INTERFACE_PIXEL_FORMAT; aTxBuffer[1] = 0x70; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); send((uint8_t*)bTxBuffer, length); HAL_Delay(120+20); aTxBuffer[0] = SET_POWER; aTxBuffer[1] = 0x78; aTxBuffer[2] = 0x24; aTxBuffer[3] = 0x04, aTxBuffer[4] = 0x02; aTxBuffer[5] = 0x02; aTxBuffer[6] = 0x03; aTxBuffer[7] = 0x10; aTxBuffer[8] = 0x10; aTxBuffer[9] = 0x34; aTxBuffer[10] = 0x3C; aTxBuffer[11] = 0x3F; aTxBuffer[12] = 0x3F; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SET_RGB_INTERFACE_RELATED; aTxBuffer[1] = 0x01; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SET_DISPLAY_WAVEFORM; aTxBuffer[1] = 0x00; aTxBuffer[2] = 0x08; aTxBuffer[3] = 0x56; aTxBuffer[4] = 0x07; aTxBuffer[5] = 0x01; aTxBuffer[6] = 0x01; aTxBuffer[7] = 0x4D; aTxBuffer[8] = 0x01; aTxBuffer[9] = 0x42; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,10); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SET_PANEL; aTxBuffer[1] = 0x0B; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2); send((uint8_t*)bTxBuffer, length); aTxBuffer[0] = SET_GAMMA_CURVE_RELATED; aTxBuffer[1] = 0x01; aTxBuffer[2] = 0x48; aTxBuffer[3] = 0x4D; aTxBuffer[4] = 0x4E; aTxBuffer[5] = 0x58; aTxBuffer[6] = 0xF6; aTxBuffer[7] = 0x0B; aTxBuffer[8] = 0x4E; aTxBuffer[9] = 0x12; aTxBuffer[10] = 0xD5; aTxBuffer[11] = 0x15; aTxBuffer[12] = 0x95; aTxBuffer[13] = 0x55; aTxBuffer[14] = 0x8E; aTxBuffer[15] = 0x11; aTxBuffer[16] = 0x01; aTxBuffer[17] = 0x48; aTxBuffer[18] = 0x4D; aTxBuffer[19] = 0x55; aTxBuffer[20] = 0x5F; aTxBuffer[21] = 0xFD; aTxBuffer[22] = 0x0A; aTxBuffer[23] = 0x4E; aTxBuffer[24] = 0x51; aTxBuffer[25] = 0xD3; aTxBuffer[26] = 0x17; aTxBuffer[27] = 0x95; aTxBuffer[28] = 0x96; aTxBuffer[29] = 0x4E; aTxBuffer[30] = 0x11; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,31); send((uint8_t*)bTxBuffer, length); HAL_Delay(5+1); aTxBuffer[0] = DISPLAY_ON; length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1); send((uint8_t*)bTxBuffer, length); } static void Display_Error_Handler(void) { while(1) { } }