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Robin & Longer3D SPI TFT driver (#14595)

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This commit is contained in:
Tanguy Pruvot
2019-07-15 01:16:26 +02:00
committed by Scott Lahteine
parent 45bde333d5
commit 81d629bc47
124 changed files with 1653 additions and 181 deletions
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73
Marlin/src/HAL/HAL_STM32F1/u8g_com_stm32duino_fsmc.cpp
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@ -35,9 +35,12 @@
#include "U8glib.h"
#include "libmaple/fsmc.h"
#include "libmaple/gpio.h"
#include "libmaple/dma.h"
#include "boards.h"
#define LCD_READ_ID 0x04 /* Read display identification information */
#ifndef LCD_READ_ID
#define LCD_READ_ID 0x04 // Read display identification information (0xD3 on ILI9341)
#endif
/* Timing configuration */
#define FSMC_ADDRESS_SETUP_TIME 15 // AddressSetupTime
@ -47,6 +50,10 @@ void LCD_IO_Init(uint8_t cs, uint8_t rs);
void LCD_IO_WriteData(uint16_t RegValue);
void LCD_IO_WriteReg(uint16_t Reg);
uint32_t LCD_IO_ReadData(uint16_t RegValue, uint8_t ReadSize);
#ifdef LCD_USE_DMA_FSMC
void LCD_IO_WriteMultiple(uint16_t data, uint32_t count);
void LCD_IO_WriteSequence(uint16_t *data, uint16_t length);
#endif
static uint8_t msgInitCount = 2; // Ignore all messages until 2nd U8G_COM_MSG_INIT
@ -59,21 +66,25 @@ uint8_t u8g_com_stm32duino_fsmc_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, voi
static uint8_t isCommand;
switch (msg) {
case U8G_COM_MSG_STOP:
break;
case U8G_COM_MSG_STOP: break;
case U8G_COM_MSG_INIT:
u8g_SetPIOutput(u8g, U8G_PI_RESET);
#ifdef LCD_USE_DMA_FSMC
dma_init(FSMC_DMA_DEV);
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_set_priority(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, DMA_PRIORITY_MEDIUM);
#endif
LCD_IO_Init(u8g->pin_list[U8G_PI_CS], u8g->pin_list[U8G_PI_A0]);
u8g_Delay(100);
u8g_Delay(50);
if (arg_ptr != nullptr)
if (arg_ptr)
*((uint32_t *)arg_ptr) = LCD_IO_ReadData(LCD_READ_ID, 3);
isCommand = 0;
break;
case U8G_COM_MSG_ADDRESS: // define cmd (arg_val = 0) or data mode (arg_val = 1)
case U8G_COM_MSG_ADDRESS: // define cmd (arg_val = 0) or data mode (arg_val = 1)
isCommand = arg_val == 0 ? 1 : 0;
break;
@ -89,7 +100,6 @@ uint8_t u8g_com_stm32duino_fsmc_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, voi
break;
case U8G_COM_MSG_WRITE_SEQ:
for (uint8_t i = 0; i < arg_val; i += 2)
LCD_IO_WriteData(*(uint16_t *)(((uint32_t)arg_ptr) + i));
break;
@ -107,7 +117,7 @@ __attribute__((always_inline)) __STATIC_INLINE void __DSB(void) {
__ASM volatile ("dsb 0xF":::"memory");
}
#define FSMC_CS_NE1 PD7
#define FSMC_CS_NE1 PD7
#ifdef STM32_XL_DENSITY
#define FSMC_CS_NE2 PG9
@ -257,7 +267,7 @@ void LCD_IO_WriteReg(uint16_t Reg) {
uint32_t LCD_IO_ReadData(uint16_t RegValue, uint8_t ReadSize) {
volatile uint32_t data;
LCD->REG = (uint16_t)RegValue;
LCD->REG = RegValue;
__DSB();
data = LCD->RAM; // dummy read
@ -267,9 +277,48 @@ uint32_t LCD_IO_ReadData(uint16_t RegValue, uint8_t ReadSize) {
data <<= 8;
data |= (LCD->RAM & 0x00FF);
}
return (uint32_t)data;
return uint32_t(data);
}
#endif // HAS_GRAPHICAL_LCD
#if ENABLED(LCD_USE_DMA_FSMC)
void LCD_IO_WriteMultiple(uint16_t color, uint32_t count) {
while (count > 0) {
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, &color, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, count > 65535 ? 65535 : count);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
count = count > 65535 ? count - 65535 : 0;
}
}
void LCD_IO_WriteSequence(uint16_t *data, uint16_t length) {
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | DMA_PINC_MODE);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, length);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
}
void LCD_IO_WriteSequence_Async(uint16_t *data, uint16_t length) {
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | DMA_PINC_MODE);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, length);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
}
void LCD_IO_WaitSequence_Async() {
while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
}
#endif // LCD_USE_DMA_FSMC
#endif // HAS_GRAPHICAL_LCD
#endif // ARDUINO_ARCH_STM32F1 && FSMC_CS_PIN