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TFT_eSPI
Commit 919febef authored by Bodmer's avatar Bodmer
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Fix #581

parent f71df4ff
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Showing with 221 additions and 145 deletions
Processors/TFT_eSPI_STM32.c
View file @ 919febef
......@@ -130,6 +130,23 @@ void TFT_eSPI::busDir(uint32_t mask, uint8_t mode)
{
// Use pinMode() for each pin at least one first to enable clocks etc
#ifdef STM_PORTA_DATA_BUS
if (mode == OUTPUT) {
LL_GPIO_SetPinMode(GPIOA, 0xFF, LL_GPIO_MODE_OUTPUT);
}
else {
LL_GPIO_SetPinMode(GPIOA, 0xFF, LL_GPIO_MODE_INPUT);
}
#elif STM_PORTB_DATA_BUS
if (mode == OUTPUT) {
LL_GPIO_SetPinMode(GPIOB, 0xFF, LL_GPIO_MODE_OUTPUT);
}
else {
LL_GPIO_SetPinMode(GPIOB, 0xFF, LL_GPIO_MODE_INPUT);
}
#else
// Now we can use a minimal set of register changes
if (mode == OUTPUT) {
LL_GPIO_SetPinMode(D0_PIN_PORT, D0_PIN_MASK, LL_GPIO_MODE_OUTPUT);
......@@ -151,6 +168,7 @@ void TFT_eSPI::busDir(uint32_t mask, uint8_t mode)
LL_GPIO_SetPinMode(D6_PIN_PORT, D6_PIN_MASK, LL_GPIO_MODE_INPUT);
LL_GPIO_SetPinMode(D7_PIN_PORT, D7_PIN_MASK, LL_GPIO_MODE_INPUT);
}
#endif
}
......
Processors/TFT_eSPI_STM32.h
View file @ 919febef
......@@ -48,7 +48,9 @@
#if defined (ILI9341_DRIVER) || defined (ST7796_DRIVER) // WRX twc spec is 66ns = 15.15MHz
// Extra write pulse low time (delay for data setup)
#if defined (STM32F2xx) || defined (STM32F4xx)
#if defined (STM32F1xx)
#define WR_TWRL_0 // Change to WR_TWRL_1 if overclocking processor
#elif defined (STM32F2xx) || defined (STM32F4xx)
#define WR_TWRL_0 // Tested with STM32F446 - 27.6MHz when WR_TWRH_1 defined
//#define WR_TWRL_3 // STM32F446 - 15.6MHz when WR_TWRH_3 defined
#elif defined (STM32F7xx)
......@@ -58,7 +60,9 @@
#endif
// Extra write pulse high time (data hold time, delays next write cycle start)
#if defined (STM32F2xx) || defined (STM32F4xx)
#if defined (STM32F1xx)
#define WR_TWRH_0
#elif defined (STM32F2xx) || defined (STM32F4xx)
#define WR_TWRH_1 // Tested with STM32F446
//#define WR_TWRL_3
#elif defined (STM32F7xx)
......@@ -70,7 +74,9 @@
#elif defined (ILI9481_DRIVER) // WRX twc spec is 100ns = 10MHz
// Extra write pulse low time (delay for data setup)
#if defined (STM32F2xx) || defined (STM32F4xx)
#if defined (STM32F1xx)
#define WR_TWRL_0
#elif defined (STM32F2xx) || defined (STM32F4xx)
//#define WR_TWRL_0 // STM32F446 - ~30MHz when WR_TWRH_0 defined
//#define WR_TWRL_1 // STM32F446 - ~25MHz when WR_TWRH_0 defined
#define WR_TWRL_2 // STM32F446 - ~20MHz when WR_TWRH_2 defined
......@@ -90,7 +96,9 @@
#endif
// Extra write pulse high time (data hold time, delays next write cycle start)
#if defined (STM32F2xx) || defined (STM32F4xx)
#if defined (STM32F1xx)
#define WR_TWRH_0
#elif defined (STM32F2xx) || defined (STM32F4xx)
//#define WR_TWRH_0
//#define WR_TWRH_1
#define WR_TWRH_2
......@@ -177,11 +185,10 @@
#define DC_D // No macro allocated so it generates no code
#else
// Convert Arduino pin reference Dn or STM pin reference PXn to pin lookup reference number
#define DC_PIN_NAME digitalPinToPinName(TFT_DC)
#define DC_PORT get_GPIO_Port(STM_PORT(DC_PIN_NAME))
#define DC_PIN_MASK STM_LL_GPIO_PIN(DC_PIN_NAME)
#define DC_PORT digitalPinToPort(TFT_DC)
#define DC_PIN_MASK digitalPinToBitMask(TFT_DC)
// Use bit set reset register
#define DC_C DC_PORT->BSRR = DC_PIN_MASK<<16
#define DC_C DC_PORT->BRR = DC_PIN_MASK
#define DC_D DC_PORT->BSRR = DC_PIN_MASK
#endif
......@@ -193,11 +200,10 @@
#define CS_H // No macro allocated so it generates no code
#else
// Convert Arduino pin reference Dx or STM pin reference PXn to pin lookup reference number
#define CS_PIN_NAME digitalPinToPinName(TFT_CS)
#define CS_PORT get_GPIO_Port(STM_PORT(CS_PIN_NAME))
#define CS_PIN_MASK STM_LL_GPIO_PIN(CS_PIN_NAME)
#define CS_PORT digitalPinToPort(TFT_CS)
#define CS_PIN_MASK digitalPinToBitMask(TFT_CS)
// Use bit set reset register
#define CS_L CS_PORT->BSRR = CS_PIN_MASK<<16
#define CS_L CS_PORT->BRR = CS_PIN_MASK
#define CS_H CS_PORT->BSRR = CS_PIN_MASK
#endif
......@@ -206,11 +212,10 @@
////////////////////////////////////////////////////////////////////////////////////////
#ifdef TFT_RD
// Convert Arduino pin reference Dx or STM pin reference PXn to pin lookup reference number
#define RD_PIN_NAME digitalPinToPinName(TFT_RD)
#define RD_PORT get_GPIO_Port(STM_PORT(RD_PIN_NAME))
#define RD_PIN_MASK STM_LL_GPIO_PIN(RD_PIN_NAME)
#define RD_PORT digitalPinToPort(TFT_RD)
#define RD_PIN_MASK digitalPinToBitMask(TFT_RD)
// Use bit set reset register
#define RD_L RD_PORT->BSRR = RD_PIN_MASK<<16
#define RD_L RD_PORT->BRR = RD_PIN_MASK
#define RD_H RD_PORT->BSRR = RD_PIN_MASK
#endif
......@@ -219,16 +224,11 @@
////////////////////////////////////////////////////////////////////////////////////////
#ifdef TFT_WR
// Convert Arduino pin reference Dx or STM pin reference PXn to pin lookup reference number
#define WR_PIN_NAME digitalPinToPinName(TFT_WR)
#define WR_PORT get_GPIO_Port(STM_PORT(WR_PIN_NAME))
#define WR_PIN_MASK STM_LL_GPIO_PIN(WR_PIN_NAME)
#define WR_PORT digitalPinToPort(TFT_WR)
#define WR_PIN_MASK digitalPinToBitMask(TFT_WR)
// Use bit set reset register
#define WR_L WR_PORT->BSRR = WR_PIN_MASK<<16
#ifdef ILI9341_DRIVER
#define WR_H WR_PORT->BSRR = WR_PIN_MASK
#else
#define WR_H WR_PORT->BSRR = WR_PIN_MASK
#endif
#define WR_L WR_PORT->BRR = WR_PIN_MASK
#define WR_H WR_PORT->BSRR = WR_PIN_MASK
#endif
////////////////////////////////////////////////////////////////////////////////////////
......@@ -627,141 +627,199 @@
// Support for other STM32 boards (not optimised!)
////////////////////////////////////////////////////////////////////////////////////////
#else
#if defined (STM_PORTA_DATA_BUS)
// Write 8 bits to TFT
#define tft_Write_8(C) GPIOA->BSRR = (0xFF0000 | (uint8_t)(C)); WR_L; WR_STB
// Write 16 bits to TFT
#define tft_Write_16(C) GPIOA->BSRR = (0xFF0000 | (uint8_t)(C>>8)); WR_L; WR_STB; \
GPIOA->BSRR = (0xFF0000 | (uint8_t)(C>>0)); WR_L; WR_STB
// This will work with any STM32 to parallel TFT pin mapping but will be slower
// 16 bit write with swapped bytes
#define tft_Write_16S(C) GPIOA->BSRR = (0xFF0000 | (uint8_t)(C>>0)); WR_L; WR_STB; \
GPIOA->BSRR = (0xFF0000 | (uint8_t)(C>>8)); WR_L; WR_STB
// Convert Arduino pin reference Dx or STM pin reference PXn to pin lookup reference number
#define D0_PIN_NAME digitalPinToPinName(TFT_D0)
#define D1_PIN_NAME digitalPinToPinName(TFT_D1)
#define D2_PIN_NAME digitalPinToPinName(TFT_D2)
#define D3_PIN_NAME digitalPinToPinName(TFT_D3)
#define D4_PIN_NAME digitalPinToPinName(TFT_D4)
#define D5_PIN_NAME digitalPinToPinName(TFT_D5)
#define D6_PIN_NAME digitalPinToPinName(TFT_D6)
#define D7_PIN_NAME digitalPinToPinName(TFT_D7)
#define tft_Write_32(C) tft_Write_16((uint16_t)((C)>>16)); tft_Write_16((uint16_t)(C))
// Pin port bit number 0-15
#define D0_PIN_BIT (D0_PIN_NAME & 0xF)
#define D1_PIN_BIT (D1_PIN_NAME & 0xF)
#define D2_PIN_BIT (D2_PIN_NAME & 0xF)
#define D3_PIN_BIT (D3_PIN_NAME & 0xF)
#define D4_PIN_BIT (D4_PIN_NAME & 0xF)
#define D5_PIN_BIT (D5_PIN_NAME & 0xF)
#define D6_PIN_BIT (D6_PIN_NAME & 0xF)
#define D7_PIN_BIT (D7_PIN_NAME & 0xF)
#define tft_Write_32C(C,D) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(D))
// Pin port
#define D0_PIN_PORT get_GPIO_Port(STM_PORT(D0_PIN_NAME))
#define D1_PIN_PORT get_GPIO_Port(STM_PORT(D1_PIN_NAME))
#define D2_PIN_PORT get_GPIO_Port(STM_PORT(D2_PIN_NAME))
#define D3_PIN_PORT get_GPIO_Port(STM_PORT(D3_PIN_NAME))
#define D4_PIN_PORT get_GPIO_Port(STM_PORT(D4_PIN_NAME))
#define D5_PIN_PORT get_GPIO_Port(STM_PORT(D5_PIN_NAME))
#define D6_PIN_PORT get_GPIO_Port(STM_PORT(D6_PIN_NAME))
#define D7_PIN_PORT get_GPIO_Port(STM_PORT(D7_PIN_NAME))
#define tft_Write_32D(C) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(C))
// Pin masks for set/clear
#define D0_PIN_MASK STM_LL_GPIO_PIN(D0_PIN_NAME)
#define D1_PIN_MASK STM_LL_GPIO_PIN(D1_PIN_NAME)
#define D2_PIN_MASK STM_LL_GPIO_PIN(D2_PIN_NAME)
#define D3_PIN_MASK STM_LL_GPIO_PIN(D3_PIN_NAME)
#define D4_PIN_MASK STM_LL_GPIO_PIN(D4_PIN_NAME)
#define D5_PIN_MASK STM_LL_GPIO_PIN(D5_PIN_NAME)
#define D6_PIN_MASK STM_LL_GPIO_PIN(D6_PIN_NAME)
#define D7_PIN_MASK STM_LL_GPIO_PIN(D7_PIN_NAME)
// Read a data bit
#define RD_TFT_D0 ((GPIOA->IDR) & 0x80) // Read pin TFT_D0
#define RD_TFT_D1 ((GPIOA->IDR) & 0x40) // Read pin TFT_D1
#define RD_TFT_D2 ((GPIOA->IDR) & 0x20) // Read pin TFT_D2
#define RD_TFT_D3 ((GPIOA->IDR) & 0x10) // Read pin TFT_D3
#define RD_TFT_D4 ((GPIOA->IDR) & 0x08) // Read pin TFT_D4
#define RD_TFT_D5 ((GPIOA->IDR) & 0x04) // Read pin TFT_D5
#define RD_TFT_D6 ((GPIOA->IDR) & 0x02) // Read pin TFT_D6
#define RD_TFT_D7 ((GPIOA->IDR) & 0x01) // Read pin TFT_D7
#elif defined (STM_PORTB_DATA_BUS)
// Write 8 bits to TFT
#define tft_Write_8(C) GPIOB->BSRR = (0xFF0000 | (uint8_t)(C)); WR_L; WR_STB
// Write 16 bits to TFT
#define tft_Write_16(C) GPIOB->BSRR = (0xFF0000 | (uint8_t)(C>>8)); WR_L; WR_STB; \
GPIOB->BSRR = (0xFF0000 | (uint8_t)(C>>0)); WR_L; WR_STB
// Create bit set/reset mask based on LS byte of value B
#define D0_BSR_MASK(B) ((D0_PIN_MASK<<16)>>(((B)<< 4)&0x10))
#define D1_BSR_MASK(B) ((D1_PIN_MASK<<16)>>(((B)<< 3)&0x10))
#define D2_BSR_MASK(B) ((D2_PIN_MASK<<16)>>(((B)<< 2)&0x10))
#define D3_BSR_MASK(B) ((D3_PIN_MASK<<16)>>(((B)<< 1)&0x10))
#define D4_BSR_MASK(B) ((D4_PIN_MASK<<16)>>(((B)<< 0)&0x10))
#define D5_BSR_MASK(B) ((D5_PIN_MASK<<16)>>(((B)>> 1)&0x10))
#define D6_BSR_MASK(B) ((D6_PIN_MASK<<16)>>(((B)>> 2)&0x10))
#define D7_BSR_MASK(B) ((D7_PIN_MASK<<16)>>(((B)>> 3)&0x10))
// Create bit set/reset mask for top byte of 16 bit value B
#define D8_BSR_MASK(B) ((D0_PIN_MASK<<16)>>(((B)>> 4)&0x10))
#define D9_BSR_MASK(B) ((D1_PIN_MASK<<16)>>(((B)>> 5)&0x10))
#define D10_BSR_MASK(B) ((D2_PIN_MASK<<16)>>(((B)>> 6)&0x10))
#define D11_BSR_MASK(B) ((D3_PIN_MASK<<16)>>(((B)>> 7)&0x10))
#define D12_BSR_MASK(B) ((D4_PIN_MASK<<16)>>(((B)>> 8)&0x10))
#define D13_BSR_MASK(B) ((D5_PIN_MASK<<16)>>(((B)>> 9)&0x10))
#define D14_BSR_MASK(B) ((D6_PIN_MASK<<16)>>(((B)>>10)&0x10))
#define D15_BSR_MASK(B) ((D7_PIN_MASK<<16)>>(((B)>>11)&0x10))
// 16 bit write with swapped bytes
#define tft_Write_16S(C) GPIOB->BSRR = (0xFF0000 | (uint8_t)(C>>0)); WR_L; WR_STB; \
GPIOB->BSRR = (0xFF0000 | (uint8_t)(C>>8)); WR_L; WR_STB
#define tft_Write_32(C) tft_Write_16((uint16_t)((C)>>16)); tft_Write_16((uint16_t)(C))
// Write 8 bits to TFT
#define tft_Write_8(C) D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB
#define tft_Write_32C(C,D) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(D))
// Write 16 bits to TFT
#define tft_Write_16(C) D0_PIN_PORT->BSRR = D8_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D9_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D10_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D11_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D12_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D13_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D14_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D15_BSR_MASK(C); \
WR_STB;\
D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB
#define tft_Write_32D(C) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(C))
// 16 bit write with swapped bytes
#define tft_Write_16S(C) D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB; \
D0_PIN_PORT->BSRR = D8_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D9_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D10_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D11_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D12_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D13_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D14_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D15_BSR_MASK(C); \
WR_STB
// Read a data bit
#define RD_TFT_D0 ((GPIOB->IDR) & 0x80) // Read pin TFT_D0
#define RD_TFT_D1 ((GPIOB->IDR) & 0x40) // Read pin TFT_D1
#define RD_TFT_D2 ((GPIOB->IDR) & 0x20) // Read pin TFT_D2
#define RD_TFT_D3 ((GPIOB->IDR) & 0x10) // Read pin TFT_D3
#define RD_TFT_D4 ((GPIOB->IDR) & 0x08) // Read pin TFT_D4
#define RD_TFT_D5 ((GPIOB->IDR) & 0x04) // Read pin TFT_D5
#define RD_TFT_D6 ((GPIOB->IDR) & 0x02) // Read pin TFT_D6
#define RD_TFT_D7 ((GPIOB->IDR) & 0x01) // Read pin TFT_D7
#define tft_Write_32(C) tft_Write_16((uint16_t)((C)>>16)); tft_Write_16((uint16_t)(C))
#else
// This will work with any STM32 to parallel TFT pin mapping but will be slower
// Convert Arduino pin reference Dx or STM pin reference PXn to pin lookup reference number
#define D0_PIN_NAME digitalPinToPinName(TFT_D0)
#define D1_PIN_NAME digitalPinToPinName(TFT_D1)
#define D2_PIN_NAME digitalPinToPinName(TFT_D2)
#define D3_PIN_NAME digitalPinToPinName(TFT_D3)
#define D4_PIN_NAME digitalPinToPinName(TFT_D4)
#define D5_PIN_NAME digitalPinToPinName(TFT_D5)
#define D6_PIN_NAME digitalPinToPinName(TFT_D6)
#define D7_PIN_NAME digitalPinToPinName(TFT_D7)
// Pin port bit number 0-15
#define D0_PIN_BIT (D0_PIN_NAME & 0xF)
#define D1_PIN_BIT (D1_PIN_NAME & 0xF)
#define D2_PIN_BIT (D2_PIN_NAME & 0xF)
#define D3_PIN_BIT (D3_PIN_NAME & 0xF)
#define D4_PIN_BIT (D4_PIN_NAME & 0xF)
#define D5_PIN_BIT (D5_PIN_NAME & 0xF)
#define D6_PIN_BIT (D6_PIN_NAME & 0xF)
#define D7_PIN_BIT (D7_PIN_NAME & 0xF)
// Pin port
#define D0_PIN_PORT digitalPinToPort(TFT_D0)
#define D1_PIN_PORT digitalPinToPort(TFT_D1)
#define D2_PIN_PORT digitalPinToPort(TFT_D2)
#define D3_PIN_PORT digitalPinToPort(TFT_D3)
#define D4_PIN_PORT digitalPinToPort(TFT_D4)
#define D5_PIN_PORT digitalPinToPort(TFT_D5)
#define D6_PIN_PORT digitalPinToPort(TFT_D6)
#define D7_PIN_PORT digitalPinToPort(TFT_D7)
#define tft_Write_32C(C,D) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(D))
// Pin masks for set/clear
#define D0_PIN_MASK digitalPinToBitMask(TFT_D0)
#define D1_PIN_MASK digitalPinToBitMask(TFT_D1)
#define D2_PIN_MASK digitalPinToBitMask(TFT_D2)
#define D3_PIN_MASK digitalPinToBitMask(TFT_D3)
#define D4_PIN_MASK digitalPinToBitMask(TFT_D4)
#define D5_PIN_MASK digitalPinToBitMask(TFT_D5)
#define D6_PIN_MASK digitalPinToBitMask(TFT_D6)
#define D7_PIN_MASK digitalPinToBitMask(TFT_D7)
#define tft_Write_32D(C) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(C))
// Create bit set/reset mask based on LS byte of value B
#define D0_BSR_MASK(B) ((D0_PIN_MASK<<16)>>(((B)<< 4)&0x10))
#define D1_BSR_MASK(B) ((D1_PIN_MASK<<16)>>(((B)<< 3)&0x10))
#define D2_BSR_MASK(B) ((D2_PIN_MASK<<16)>>(((B)<< 2)&0x10))
#define D3_BSR_MASK(B) ((D3_PIN_MASK<<16)>>(((B)<< 1)&0x10))
#define D4_BSR_MASK(B) ((D4_PIN_MASK<<16)>>(((B)<< 0)&0x10))
#define D5_BSR_MASK(B) ((D5_PIN_MASK<<16)>>(((B)>> 1)&0x10))
#define D6_BSR_MASK(B) ((D6_PIN_MASK<<16)>>(((B)>> 2)&0x10))
#define D7_BSR_MASK(B) ((D7_PIN_MASK<<16)>>(((B)>> 3)&0x10))
// Create bit set/reset mask for top byte of 16 bit value B
#define D8_BSR_MASK(B) ((D0_PIN_MASK<<16)>>(((B)>> 4)&0x10))
#define D9_BSR_MASK(B) ((D1_PIN_MASK<<16)>>(((B)>> 5)&0x10))
#define D10_BSR_MASK(B) ((D2_PIN_MASK<<16)>>(((B)>> 6)&0x10))
#define D11_BSR_MASK(B) ((D3_PIN_MASK<<16)>>(((B)>> 7)&0x10))
#define D12_BSR_MASK(B) ((D4_PIN_MASK<<16)>>(((B)>> 8)&0x10))
#define D13_BSR_MASK(B) ((D5_PIN_MASK<<16)>>(((B)>> 9)&0x10))
#define D14_BSR_MASK(B) ((D6_PIN_MASK<<16)>>(((B)>>10)&0x10))
#define D15_BSR_MASK(B) ((D7_PIN_MASK<<16)>>(((B)>>11)&0x10))
// Read a data bit
#define RD_TFT_D0 ((((D0_PIN_PORT->IDR)&(D0_PIN_MASK))>> D0_PIN_BIT)<<0) // Read pin TFT_D0
#define RD_TFT_D1 ((((D1_PIN_PORT->IDR)&(D1_PIN_MASK))>> D1_PIN_BIT)<<1) // Read pin TFT_D1
#define RD_TFT_D2 ((((D2_PIN_PORT->IDR)&(D2_PIN_MASK))>> D2_PIN_BIT)<<2) // Read pin TFT_D2
#define RD_TFT_D3 ((((D3_PIN_PORT->IDR)&(D3_PIN_MASK))>> D3_PIN_BIT)<<3) // Read pin TFT_D3
#define RD_TFT_D4 ((((D4_PIN_PORT->IDR)&(D4_PIN_MASK))>> D4_PIN_BIT)<<4) // Read pin TFT_D4
#define RD_TFT_D5 ((((D5_PIN_PORT->IDR)&(D5_PIN_MASK))>> D5_PIN_BIT)<<5) // Read pin TFT_D5
#define RD_TFT_D6 ((((D6_PIN_PORT->IDR)&(D6_PIN_MASK))>> D6_PIN_BIT)<<6) // Read pin TFT_D6
#define RD_TFT_D7 ((((D7_PIN_PORT->IDR)&(D7_PIN_MASK))>> D7_PIN_BIT)<<7) // Read pin TFT_D7
// Write 8 bits to TFT
#define tft_Write_8(C) D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB
// Write 16 bits to TFT
#define tft_Write_16(C) D0_PIN_PORT->BSRR = D8_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D9_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D10_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D11_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D12_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D13_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D14_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D15_BSR_MASK(C); \
WR_STB;\
D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB
// 16 bit write with swapped bytes
#define tft_Write_16S(C) D0_PIN_PORT->BSRR = D0_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D1_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D2_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D3_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D4_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D5_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D6_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D7_BSR_MASK(C); \
WR_STB; \
D0_PIN_PORT->BSRR = D8_BSR_MASK(C); \
D1_PIN_PORT->BSRR = D9_BSR_MASK(C); \
D2_PIN_PORT->BSRR = D10_BSR_MASK(C); \
D3_PIN_PORT->BSRR = D11_BSR_MASK(C); \
WR_L; \
D4_PIN_PORT->BSRR = D12_BSR_MASK(C); \
D5_PIN_PORT->BSRR = D13_BSR_MASK(C); \
D6_PIN_PORT->BSRR = D14_BSR_MASK(C); \
D7_PIN_PORT->BSRR = D15_BSR_MASK(C); \
WR_STB
#define tft_Write_32(C) tft_Write_16((uint16_t)((C)>>16)); tft_Write_16((uint16_t)(C))
#define tft_Write_32C(C,D) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(D))
#define tft_Write_32D(C) tft_Write_16((uint16_t)(C)); tft_Write_16((uint16_t)(C))
// Read a data bit
#define RD_TFT_D0 ((((D0_PIN_PORT->IDR) >> (D0_PIN_BIT))&1)<<0) // Read pin TFT_D0
#define RD_TFT_D1 ((((D1_PIN_PORT->IDR) >> (D1_PIN_BIT))&1)<<1) // Read pin TFT_D1
#define RD_TFT_D2 ((((D2_PIN_PORT->IDR) >> (D2_PIN_BIT))&1)<<2) // Read pin TFT_D2
#define RD_TFT_D3 ((((D3_PIN_PORT->IDR) >> (D3_PIN_BIT))&1)<<3) // Read pin TFT_D3
#define RD_TFT_D4 ((((D4_PIN_PORT->IDR) >> (D4_PIN_BIT))&1)<<4) // Read pin TFT_D4
#define RD_TFT_D5 ((((D5_PIN_PORT->IDR) >> (D5_PIN_BIT))&1)<<5) // Read pin TFT_D5
#define RD_TFT_D6 ((((D6_PIN_PORT->IDR) >> (D6_PIN_BIT))&1)<<6) // Read pin TFT_D6
#define RD_TFT_D7 ((((D7_PIN_PORT->IDR) >> (D7_PIN_BIT))&1)<<7) // Read pin TFT_D7
#endif
#endif
////////////////////////////////////////////////////////////////////////////////////////
// Macros to write commands/pixel colour data to a SPI ILI9488 TFT
......
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