for Arduino TFT LCD Screen 160x128
Dependents: TFTLCDSCREEN Pong_ILI9163C
Fork of TFT_ILI9163C by
TFT_ILI9163C_F302R8_SOFT.cpp
- Committer:
- billycorgan123
- Date:
- 2016-03-04
- Revision:
- 12:f0799be044ff
- Parent:
- 7:3dcb98ecf29f
File content as of revision 12:f0799be044ff:
#include "TFT_ILI9163C.h" #if defined(__F302R8_SOFT__) /** * TFT_ILI9163C library for ST Nucleo F302R8 SOFT * * @author Copyright (c) 2014, .S.U.M.O.T.O.Y., coded by Max MC Costa * https://github.com/sumotoy/TFT_ILI9163C * * @author modified by masuda, Masuda Naika */ //Serial pc(SERIAL_TX, SERIAL_RX); //constructors TFT_ILI9163C::TFT_ILI9163C(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName dc, PinName reset) : TFT_ILI9163C_BASE(mosi, miso, sclk, cs, dc, reset) { _resetPinName = reset; init(cs, dc); } TFT_ILI9163C::TFT_ILI9163C(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName dc) : TFT_ILI9163C_BASE(mosi, miso, sclk, cs, dc) { _resetPinName = NC; init(cs, dc); } void TFT_ILI9163C::init(PinName cs, PinName dc){ SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; uint32_t cs_port_index = (uint32_t) cs >> 4; uint32_t dc_port_index = (uint32_t) dc >> 4; //set cs/dc port addresses and masks cs_port_reg = (GPIO_TypeDef *) (GPIOA_BASE + (cs_port_index << 10)); cs_reg_mask = 1 << ((uint32_t) cs & 0xf); dc_port_reg = (GPIO_TypeDef *) (GPIOA_BASE + (dc_port_index << 10)); dc_reg_mask = 1 << ((uint32_t) dc & 0xf); // set bit band addresses // GPIO_TypeDef *cs_port_reg = (GPIO_TypeDef *) (GPIOA_BASE + (cs_port_index << 10)); // GPIO_TypeDef *dc_port_reg = (GPIO_TypeDef *) (GPIOA_BASE + (dc_port_index << 10)); // uint8_t cs_port_bit = (uint32_t) cs & 0xf; // uint8_t dc_port_bit = (uint32_t) dc & 0xf; // bb_cs_port = BITBAND_PERIPH(&cs_port_reg->ODR, cs_port_bit); // bb_dc_port = BITBAND_PERIPH(&dc_port_reg->ODR, dc_port_bit); bb_spi_txe = BITBAND_PERIPH(&spi_ptr->SR, MASK_TO_BITNUM(SPI_SR_TXE)); bb_spi_bsy = BITBAND_PERIPH(&spi_ptr->SR, MASK_TO_BITNUM(SPI_SR_BSY)); bb_spi_spe = BITBAND_PERIPH(&spi_ptr->CR1, MASK_TO_BITNUM(SPI_CR1_SPE)); } inline void TFT_ILI9163C::selectSlave() { cs_port_reg->BSRRH = cs_reg_mask; // Use BSRR register } inline void TFT_ILI9163C::deselectSlave() { cs_port_reg->BSRRL = cs_reg_mask; } inline void TFT_ILI9163C::setCommandMode() { dc_port_reg->BSRRH = dc_reg_mask; } inline void TFT_ILI9163C::setDataMode() { dc_port_reg->BSRRL = dc_reg_mask; } inline void TFT_ILI9163C::waitSpiFree() { while (*bb_spi_txe == 0); while (*bb_spi_bsy != 0); } inline void TFT_ILI9163C::waitBufferFree() { while (*bb_spi_txe == 0); } inline void TFT_ILI9163C::set8bitMode() { *bb_spi_spe = 0; SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; uint16_t tmp = spi_ptr->CR2; tmp &= ~SPI_CR2_DS; tmp |= SPI_DATASIZE_8BIT; spi_ptr->CR2 = tmp; *bb_spi_spe = 1; } inline void TFT_ILI9163C::set16bitMode() { *bb_spi_spe = 0; SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; uint16_t tmp = spi_ptr->CR2; tmp &= ~SPI_CR2_DS; tmp |= SPI_DATASIZE_16BIT; spi_ptr->CR2 = tmp; *bb_spi_spe = 1; } void TFT_ILI9163C::writecommand(uint8_t c){ set8bitMode(); setCommandMode(); selectSlave(); // Strange behavior :-( // Data packing RM0365 P.816 // When the data frame size fits into one byte (less than or equal to 8 bits), data packing is // used automatically when any read or write 16-bit access is performed on the SPIx_DR register. // Force 8-bit access to the data register SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; uint8_t *p_spi_dr = (uint8_t*) &spi_ptr->DR; *p_spi_dr = (uint8_t) c; waitSpiFree(); deselectSlave(); } void TFT_ILI9163C::writedata(uint8_t c){ set8bitMode(); setDataMode(); selectSlave(); // Force 8-bit access to the data register SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; uint8_t *p_spi_dr = (uint8_t*) &spi_ptr->DR; *p_spi_dr = (uint8_t) c; waitSpiFree(); deselectSlave(); } void TFT_ILI9163C::writedata16(uint16_t d){ set16bitMode(); setDataMode(); selectSlave(); SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; spi_ptr->DR = d; waitSpiFree(); deselectSlave(); } void TFT_ILI9163C::writedata32(uint16_t d1, uint16_t d2){ set16bitMode(); setDataMode(); selectSlave(); SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; spi_ptr->DR = d1; waitBufferFree(); spi_ptr->DR = d2; waitSpiFree(); deselectSlave(); } // use software loop, fast enough :-) void TFT_ILI9163C::writedata16burst(uint16_t d, int32_t len) { len = len < 0 ? -len : len; if (len > 0) { set16bitMode(); setDataMode(); selectSlave(); SPI_TypeDef *spi_ptr = (SPI_TypeDef*) _spi.spi; while (len--) { waitBufferFree(); spi_ptr->DR = d; } waitSpiFree(); deselectSlave(); } } #endif