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Allow external pin definitions #12

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19 changes: 19 additions & 0 deletions Arduino-STM32-8bitTFT.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,11 @@ Define pins and Output Data Registers
#define PORT_LOW 0
#define PORT_HIGH 1

#if !defined(TFT_DATA) || !defined(TFT_D0) || !defined(TFT_D1) || \
!defined(TFT_D2) || !defined(TFT_D3) || !defined(TFT_D4) || \
!defined(TFT_D5) || !defined(TFT_D6) || !defined(TFT_D7) || \
!defined(TFT_PORT)

#if 1
#define TFT_DATA GPIOA
#define TFT_PORT PORT_LOW
Expand Down Expand Up @@ -172,6 +177,8 @@ Define pins and Output Data Registers
//Pin stm32 |PD7|PD6|PD5|PD4|PD3|PD2|PD1|PD0|
#endif

#endif

#if 0
#define TFT_DATA GPIOD
#define TFT_PORT PORT_HIGH
Expand All @@ -188,19 +195,31 @@ Define pins and Output Data Registers
#endif


#ifndef TFT_CNTRL
#define TFT_CNTRL GPIOB
#endif
#define LL_LOW(LL_GPIO_PIN) LL_GPIO_WriteOutputPort(TFT_CNTRL, (LL_GPIO_ReadOutputPort(TFT_CNTRL) & ~(LL_GPIO_PIN)))
#define LL_HIGH(LL_GPIO_PIN) LL_GPIO_WriteOutputPort(TFT_CNTRL, (LL_GPIO_ReadOutputPort(TFT_CNTRL) | LL_GPIO_PIN))


// Note:
// PA15 PB3 PB4 is assigned to JTAG debug port by default on some boards.
// Therefore, it may not be available by default.
#ifndef TFT_RD
#define TFT_RD LL_GPIO_PIN_0 // PB0
#endif
#ifndef TFT_WR
#define TFT_WR LL_GPIO_PIN_1 // PB1
#endif
#ifndef TFT_RS
#define TFT_RS LL_GPIO_PIN_5 // PB5
#endif
#ifndef TFT_CS
#define TFT_CS LL_GPIO_PIN_6 // PB6
#endif
#ifndef TFT_RST
#define TFT_RST LL_GPIO_PIN_7 // PB7
#endif

//#define DELAY delayMicroseconds(10);
#define DELAY (void)0 // NOP
Expand Down