SPI TFT for STM32F4 boards (#20384)
* fix pinsDebug for F1 boards * add MKS Robin PRO V2 board - development board * tft spi working with F4 boards * pins formating * sanity check for TFT on supported cores in STM32 * Fix tabs/spaces in pins file Co-authored-by: Jason Smith <jason.inet@gmail.com>
This commit is contained in:
@ -51,3 +51,7 @@
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#elif ENABLED(SERIAL_STATS_DROPPED_RX)
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#error "SERIAL_STATS_DROPPED_RX is not supported on this platform."
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#endif
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#if ANY(TFT_COLOR_UI, TFT_LVGL_UI, TFT_CLASSIC_UI) && NOT_TARGET(STM32F4xx, STM32F1xx)
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#error "TFT_COLOR_UI, TFT_LVGL_UI and TFT_CLASSIC_U are currently only supported on STM32F4 and STM32F1 hardware."
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#endif
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@ -137,32 +137,19 @@ const XrefInfo pin_xref[] PROGMEM = {
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#endif
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uint8_t get_pin_mode(const pin_t Ard_num) {
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uint32_t mode_all = 0;
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const PinName dp = digitalPinToPinName(Ard_num);
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switch (PORT_ALPHA(dp)) {
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case 'A' : mode_all = GPIOA->MODER; break;
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case 'B' : mode_all = GPIOB->MODER; break;
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case 'C' : mode_all = GPIOC->MODER; break;
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case 'D' : mode_all = GPIOD->MODER; break;
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#ifdef PE_0
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case 'E' : mode_all = GPIOE->MODER; break;
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#elif defined(PF_0)
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case 'F' : mode_all = GPIOF->MODER; break;
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#elif defined(PG_0)
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case 'G' : mode_all = GPIOG->MODER; break;
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#elif defined(PH_0)
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case 'H' : mode_all = GPIOH->MODER; break;
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#elif defined(PI_0)
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case 'I' : mode_all = GPIOI->MODER; break;
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#elif defined(PJ_0)
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case 'J' : mode_all = GPIOJ->MODER; break;
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#elif defined(PK_0)
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case 'K' : mode_all = GPIOK->MODER; break;
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#elif defined(PL_0)
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case 'L' : mode_all = GPIOL->MODER; break;
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#endif
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uint32_t ll_pin = STM_LL_GPIO_PIN(dp);
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GPIO_TypeDef *port = get_GPIO_Port(STM_PORT(dp));
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uint32_t mode = LL_GPIO_GetPinMode(port, ll_pin);
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switch (mode)
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{
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case LL_GPIO_MODE_ANALOG: return MODE_PIN_ANALOG;
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case LL_GPIO_MODE_INPUT: return MODE_PIN_INPUT;
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case LL_GPIO_MODE_OUTPUT: return MODE_PIN_OUTPUT;
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case LL_GPIO_MODE_ALTERNATE: return MODE_PIN_ALT;
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TERN_(STM32F1xx, case LL_GPIO_MODE_FLOATING:)
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default: return 0;
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}
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return (mode_all >> (2 * uint8_t(PIN_NUM(dp)))) & 0x03;
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}
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bool GET_PINMODE(const pin_t Ard_num) {
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@ -217,58 +204,62 @@ bool pwm_status(const pin_t Ard_num) {
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}
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void pwm_details(const pin_t Ard_num) {
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if (pwm_status(Ard_num)) {
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uint32_t alt_all = 0;
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const PinName dp = digitalPinToPinName(Ard_num);
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pin_t pin_number = uint8_t(PIN_NUM(dp));
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const bool over_7 = pin_number >= 8;
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const uint8_t ind = over_7 ? 1 : 0;
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switch (PORT_ALPHA(dp)) { // get alt function
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case 'A' : alt_all = GPIOA->AFR[ind]; break;
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case 'B' : alt_all = GPIOB->AFR[ind]; break;
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case 'C' : alt_all = GPIOC->AFR[ind]; break;
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case 'D' : alt_all = GPIOD->AFR[ind]; break;
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#ifdef PE_0
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case 'E' : alt_all = GPIOE->AFR[ind]; break;
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#elif defined (PF_0)
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case 'F' : alt_all = GPIOF->AFR[ind]; break;
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#elif defined (PG_0)
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case 'G' : alt_all = GPIOG->AFR[ind]; break;
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#elif defined (PH_0)
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case 'H' : alt_all = GPIOH->AFR[ind]; break;
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#elif defined (PI_0)
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case 'I' : alt_all = GPIOI->AFR[ind]; break;
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#elif defined (PJ_0)
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case 'J' : alt_all = GPIOJ->AFR[ind]; break;
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#elif defined (PK_0)
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case 'K' : alt_all = GPIOK->AFR[ind]; break;
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#elif defined (PL_0)
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case 'L' : alt_all = GPIOL->AFR[ind]; break;
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#endif
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}
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if (over_7) pin_number -= 8;
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#ifndef STM32F1xx
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if (pwm_status(Ard_num)) {
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uint32_t alt_all = 0;
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const PinName dp = digitalPinToPinName(Ard_num);
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pin_t pin_number = uint8_t(PIN_NUM(dp));
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const bool over_7 = pin_number >= 8;
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const uint8_t ind = over_7 ? 1 : 0;
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switch (PORT_ALPHA(dp)) { // get alt function
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case 'A' : alt_all = GPIOA->AFR[ind]; break;
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case 'B' : alt_all = GPIOB->AFR[ind]; break;
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case 'C' : alt_all = GPIOC->AFR[ind]; break;
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case 'D' : alt_all = GPIOD->AFR[ind]; break;
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#ifdef PE_0
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case 'E' : alt_all = GPIOE->AFR[ind]; break;
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#elif defined (PF_0)
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case 'F' : alt_all = GPIOF->AFR[ind]; break;
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#elif defined (PG_0)
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case 'G' : alt_all = GPIOG->AFR[ind]; break;
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#elif defined (PH_0)
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case 'H' : alt_all = GPIOH->AFR[ind]; break;
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#elif defined (PI_0)
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case 'I' : alt_all = GPIOI->AFR[ind]; break;
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#elif defined (PJ_0)
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case 'J' : alt_all = GPIOJ->AFR[ind]; break;
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#elif defined (PK_0)
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case 'K' : alt_all = GPIOK->AFR[ind]; break;
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#elif defined (PL_0)
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case 'L' : alt_all = GPIOL->AFR[ind]; break;
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#endif
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}
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if (over_7) pin_number -= 8;
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uint8_t alt_func = (alt_all >> (4 * pin_number)) & 0x0F;
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SERIAL_ECHOPAIR("Alt Function: ", alt_func);
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if (alt_func < 10) SERIAL_CHAR(' ');
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SERIAL_ECHOPGM(" - ");
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switch (alt_func) {
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case 0 : SERIAL_ECHOPGM("system (misc. I/O)"); break;
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case 1 : SERIAL_ECHOPGM("TIM1/TIM2 (probably PWM)"); break;
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case 2 : SERIAL_ECHOPGM("TIM3..5 (probably PWM)"); break;
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case 3 : SERIAL_ECHOPGM("TIM8..11 (probably PWM)"); break;
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case 4 : SERIAL_ECHOPGM("I2C1..3"); break;
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case 5 : SERIAL_ECHOPGM("SPI1/SPI2"); break;
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case 6 : SERIAL_ECHOPGM("SPI3"); break;
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case 7 : SERIAL_ECHOPGM("USART1..3"); break;
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case 8 : SERIAL_ECHOPGM("USART4..6"); break;
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case 9 : SERIAL_ECHOPGM("CAN1/CAN2, TIM12..14 (probably PWM)"); break;
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case 10 : SERIAL_ECHOPGM("OTG"); break;
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case 11 : SERIAL_ECHOPGM("ETH"); break;
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case 12 : SERIAL_ECHOPGM("FSMC, SDIO, OTG"); break;
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case 13 : SERIAL_ECHOPGM("DCMI"); break;
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case 14 : SERIAL_ECHOPGM("unused (shouldn't see this)"); break;
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case 15 : SERIAL_ECHOPGM("EVENTOUT"); break;
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uint8_t alt_func = (alt_all >> (4 * pin_number)) & 0x0F;
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SERIAL_ECHOPAIR("Alt Function: ", alt_func);
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if (alt_func < 10) SERIAL_CHAR(' ');
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SERIAL_ECHOPGM(" - ");
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switch (alt_func) {
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case 0 : SERIAL_ECHOPGM("system (misc. I/O)"); break;
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case 1 : SERIAL_ECHOPGM("TIM1/TIM2 (probably PWM)"); break;
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case 2 : SERIAL_ECHOPGM("TIM3..5 (probably PWM)"); break;
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case 3 : SERIAL_ECHOPGM("TIM8..11 (probably PWM)"); break;
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case 4 : SERIAL_ECHOPGM("I2C1..3"); break;
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case 5 : SERIAL_ECHOPGM("SPI1/SPI2"); break;
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case 6 : SERIAL_ECHOPGM("SPI3"); break;
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case 7 : SERIAL_ECHOPGM("USART1..3"); break;
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case 8 : SERIAL_ECHOPGM("USART4..6"); break;
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case 9 : SERIAL_ECHOPGM("CAN1/CAN2, TIM12..14 (probably PWM)"); break;
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case 10 : SERIAL_ECHOPGM("OTG"); break;
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case 11 : SERIAL_ECHOPGM("ETH"); break;
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case 12 : SERIAL_ECHOPGM("FSMC, SDIO, OTG"); break;
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case 13 : SERIAL_ECHOPGM("DCMI"); break;
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case 14 : SERIAL_ECHOPGM("unused (shouldn't see this)"); break;
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case 15 : SERIAL_ECHOPGM("EVENTOUT"); break;
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}
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}
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}
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#else
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// TODO: F1 doesn't support changing pins function, so we need to check the function of the PIN and if it's enabled
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#endif
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} // pwm_details
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@ -34,35 +34,25 @@ DMA_HandleTypeDef TFT_SPI::DMAtx;
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void TFT_SPI::Init() {
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SPI_TypeDef *spiInstance;
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#if PIN_EXISTS(TFT_RESET)
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OUT_WRITE(TFT_RESET_PIN, HIGH);
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HAL_Delay(100);
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#endif
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#if PIN_EXISTS(TFT_BACKLIGHT)
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OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
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#endif
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OUT_WRITE(TFT_A0_PIN, HIGH);
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OUT_WRITE(TFT_CS_PIN, HIGH);
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if ((spiInstance = (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK)) == NP) return;
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if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI)) return;
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#if PIN_EXISTS(TFT_MISO) && (TFT_MISO_PIN != TFT_MOSI_PIN)
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if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO)) return;
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#if PIN_EXISTS(TFT_MISO)
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if (TFT_MISO_PIN != TFT_MOSI_PIN)
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if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO)) return;
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#endif
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SPIx.Instance = spiInstance;
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SPIx.State = HAL_SPI_STATE_RESET;
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SPIx.Init.NSS = SPI_NSS_SOFT;
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SPIx.Init.Mode = SPI_MODE_MASTER;
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SPIx.Init.Direction =
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#if TFT_MISO_PIN == TFT_MOSI_PIN
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SPI_DIRECTION_1LINE;
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#else
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SPI_DIRECTION_2LINES;
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#endif
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if (TFT_MISO_PIN == TFT_MOSI_PIN)
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SPIx.Init.Direction = SPI_DIRECTION_1LINE;
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else
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SPIx.Init.Direction = SPI_DIRECTION_2LINES;
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SPIx.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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SPIx.Init.CLKPhase = SPI_PHASE_1EDGE;
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SPIx.Init.CLKPolarity = SPI_POLARITY_LOW;
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@ -74,31 +64,50 @@ void TFT_SPI::Init() {
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pinmap_pinout(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK);
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pinmap_pinout(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI);
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#if PIN_EXISTS(TFT_MISO) && (TFT_MISO_PIN != TFT_MOSI_PIN)
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pinmap_pinout(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO);
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#if PIN_EXISTS(TFT_MISO)
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if (TFT_MISO_PIN != TFT_MOSI_PIN)
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pinmap_pinout(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO);
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#endif
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pin_PullConfig(get_GPIO_Port(STM_PORT(digitalPinToPinName(TFT_SCK_PIN))), STM_LL_GPIO_PIN(digitalPinToPinName(TFT_SCK_PIN)), GPIO_PULLDOWN);
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#ifdef SPI1_BASE
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if (SPIx.Instance == SPI1) {
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_DMA1_CLK_ENABLE();
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#ifdef STM32F1xx
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__HAL_RCC_DMA1_CLK_ENABLE();
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DMAtx.Instance = DMA1_Channel3;
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#elif defined(STM32F4xx)
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__HAL_RCC_DMA2_CLK_ENABLE();
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DMAtx.Instance = DMA2_Stream3;
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DMAtx.Init.Channel = DMA_CHANNEL_3;
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#endif
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SPIx.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
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DMAtx.Instance = DMA1_Channel3;
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}
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#endif
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#ifdef SPI2_BASE
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if (SPIx.Instance == SPI2) {
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__HAL_RCC_SPI2_CLK_ENABLE();
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__HAL_RCC_DMA1_CLK_ENABLE();
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DMAtx.Instance = DMA1_Channel5;
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#ifdef STM32F1xx
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__HAL_RCC_DMA1_CLK_ENABLE();
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DMAtx.Instance = DMA1_Channel5;
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#elif defined(STM32F4xx)
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__HAL_RCC_DMA1_CLK_ENABLE();
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DMAtx.Instance = DMA1_Stream4;
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DMAtx.Init.Channel = DMA_CHANNEL_4;
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#endif
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}
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#endif
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#ifdef SPI3_BASE
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if (SPIx.Instance == SPI3) {
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__HAL_RCC_SPI3_CLK_ENABLE();
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__HAL_RCC_DMA2_CLK_ENABLE();
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DMAtx.Instance = DMA2_Channel2;
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#ifdef STM32F1xx
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__HAL_RCC_DMA2_CLK_ENABLE();
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DMAtx.Instance = DMA2_Channel2;
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#elif defined(STM32F4xx)
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__HAL_RCC_DMA1_CLK_ENABLE();
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DMAtx.Instance = DMA1_Stream5;
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DMAtx.Init.Channel = DMA_CHANNEL_5;
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#endif
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}
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#endif
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@ -110,6 +119,9 @@ void TFT_SPI::Init() {
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DMAtx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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DMAtx.Init.Mode = DMA_NORMAL;
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DMAtx.Init.Priority = DMA_PRIORITY_LOW;
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#if defined(STM32F4xx)
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DMAtx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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#endif
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}
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void TFT_SPI::DataTransferBegin(uint16_t DataSize) {
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@ -142,12 +154,12 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
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__HAL_SPI_ENABLE(&SPIx);
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for (i = 0; i < 4; i++) {
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#if TFT_MISO_PIN != TFT_MOSI_PIN
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if (TFT_MISO_PIN != TFT_MOSI_PIN) {
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//if (hspi->Init.Direction == SPI_DIRECTION_2LINES) {
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while ((SPIx.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE) {}
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SPIx.Instance->DR = 0;
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//}
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#endif
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}
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while ((SPIx.Instance->SR & SPI_FLAG_RXNE) != SPI_FLAG_RXNE) {}
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Data = (Data << 8) | SPIx.Instance->DR;
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}
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@ -162,21 +174,34 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
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}
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bool TFT_SPI::isBusy() {
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if (DMAtx.Instance->CCR & DMA_CCR_EN)
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#if defined(STM32F1xx)
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volatile bool dmaEnabled = (DMAtx.Instance->CCR & DMA_CCR_EN) != RESET;
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#elif defined(STM32F4xx)
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volatile bool dmaEnabled = DMAtx.Instance->CR & DMA_SxCR_EN;
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#endif
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if (dmaEnabled) {
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if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) != 0 || __HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx)) != 0)
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Abort();
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return DMAtx.Instance->CCR & DMA_CCR_EN;
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}
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else {
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Abort();
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}
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return dmaEnabled;
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}
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void TFT_SPI::Abort() {
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__HAL_DMA_DISABLE(&DMAtx);
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// First, abort any running dma
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HAL_DMA_Abort(&DMAtx);
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// DeInit objects
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HAL_DMA_DeInit(&DMAtx);
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HAL_SPI_DeInit(&SPIx);
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// Deselect CS
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DataTransferEnd();
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}
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void TFT_SPI::Transmit(uint16_t Data) {
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#if TFT_MISO_PIN == TFT_MOSI_PIN
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if (TFT_MISO_PIN == TFT_MOSI_PIN)
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SPI_1LINE_TX(&SPIx);
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#endif
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__HAL_SPI_ENABLE(&SPIx);
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@ -185,26 +210,23 @@ void TFT_SPI::Transmit(uint16_t Data) {
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while ((SPIx.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE) {}
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while ((SPIx.Instance->SR & SPI_FLAG_BSY) == SPI_FLAG_BSY) {}
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#if TFT_MISO_PIN != TFT_MOSI_PIN
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if (TFT_MISO_PIN != TFT_MOSI_PIN)
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__HAL_SPI_CLEAR_OVRFLAG(&SPIx); /* Clear overrun flag in 2 Lines communication mode because received is not read */
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#endif
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}
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void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
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// Wait last dma finish, to start another
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while(isBusy()) { }
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DMAtx.Init.MemInc = MemoryIncrease;
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HAL_DMA_Init(&DMAtx);
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if (TFT_MISO_PIN == TFT_MOSI_PIN)
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SPI_1LINE_TX(&SPIx);
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DataTransferBegin();
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#if TFT_MISO_PIN == TFT_MOSI_PIN
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SPI_1LINE_TX(&SPIx);
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#endif
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DMAtx.DmaBaseAddress->IFCR = (DMA_ISR_GIF1 << DMAtx.ChannelIndex);
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DMAtx.Instance->CNDTR = Count;
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DMAtx.Instance->CPAR = (uint32_t)&(SPIx.Instance->DR);
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DMAtx.Instance->CMAR = (uint32_t)Data;
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__HAL_DMA_ENABLE(&DMAtx);
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HAL_DMA_Start(&DMAtx, (uint32_t)Data, (uint32_t)&(SPIx.Instance->DR), Count);
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__HAL_SPI_ENABLE(&SPIx);
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SET_BIT(SPIx.Instance->CR2, SPI_CR2_TXDMAEN); /* Enable Tx DMA Request */
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