aboutsummaryrefslogtreecommitdiffstats
path: root/ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c
diff options
context:
space:
mode:
Diffstat (limited to 'ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c')
-rw-r--r--ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c418
1 files changed, 0 insertions, 418 deletions
diff --git a/ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c b/ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c
deleted file mode 100644
index 979e502..0000000
--- a/ChibiOS_16.1.5/community/os/various/devices_lib/lcd/ili9341.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/*
- Copyright (C) 2013-2015 Andrea Zoppi
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file ili9341.c
- * @brief ILI9341 TFT LCD diaplay controller driver.
- * @note Does not support multiple calling threads natively.
- */
-
-#include "ch.h"
-#include "hal.h"
-#include "ili9341.h"
-
-/**
- * @addtogroup ili9341
- * @{
- */
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-#if !ILI9341_USE_CHECKS && !defined(__DOXYGEN__)
-/* Disable checks as needed.*/
-
-#ifdef osalDbgCheck
-#undef osalDbgCheck
-#endif
-#define osalDbgCheck(c, func) { \
- (void)(c), (void)__QUOTE_THIS(func)"()"; \
-}
-
-#ifdef osalDbgAssert
-#undef osalDbgAssert
-#endif
-#define osalDbgAssert(c, m, r) { \
- (void)(c); \
-}
-
-#ifdef osalDbgCheckClassS
-#undef osalDbgCheckClassS
-#endif
-#define osalDbgCheckClassS() {}
-
-#ifdef osalDbgCheckClassS
-#undef osalDbgCheckClassS
-#endif
-#define osalDbgCheckClassI() {}
-
-#endif /* ILI9341_USE_CHECKS */
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief ILI9341D1 driver identifier.*/
-ILI9341Driver ILI9341D1;
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Initializes the standard part of a @p ILI9341Driver structure.
- *
- * @param[out] driverp pointer to the @p ILI9341Driver object
- *
- * @init
- */
-void ili9341ObjectInit(ILI9341Driver *driverp) {
-
- osalDbgCheck(driverp != NULL);
-
- driverp->state = ILI9341_STOP;
- driverp->config = NULL;
-#if (TRUE == ILI9341_USE_MUTUAL_EXCLUSION)
-#if (TRUE == CH_CFG_USE_MUTEXES)
- chMtxObjectInit(&driverp->lock);
-#else
- chSemObjectInit(&driverp->lock, 1);
-#endif
-#endif /* (TRUE == ILI9341_USE_MUTUAL_EXCLUSION) */
-}
-
-/**
- * @brief Configures and activates the ILI9341 peripheral.
- * @pre ILI9341 is stopped.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- * @param[in] configp pointer to the @p ILI9341Config object
- *
- * @api
- */
-void ili9341Start(ILI9341Driver *driverp, const ILI9341Config *configp) {
-
- chSysLock();
- osalDbgCheck(driverp != NULL);
- osalDbgCheck(configp != NULL);
- osalDbgCheck(configp->spi != NULL);
- osalDbgAssert(driverp->state == ILI9341_STOP, "invalid state");
-
- spiSelectI(configp->spi);
- spiUnselectI(configp->spi);
- driverp->config = configp;
- driverp->state = ILI9341_READY;
- chSysUnlock();
-}
-
-/**
- * @brief Deactivates the ILI9341 peripheral.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @api
- */
-void ili9341Stop(ILI9341Driver *driverp) {
-
- chSysLock();
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_READY, "invalid state");
-
- driverp->state = ILI9341_STOP;
- chSysUnlock();
-}
-
-#if ILI9341_USE_MUTUAL_EXCLUSION
-
-/**
- * @brief Gains exclusive access to the ILI9341 module.
- * @details This function tries to gain ownership to the ILI9341 module, if the
- * module is already being used then the invoking thread is queued.
- * @pre In order to use this function the option
- * @p ILI9341_USE_MUTUAL_EXCLUSION must be enabled.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @sclass
- */
-void ili9341AcquireBusS(ILI9341Driver *driverp) {
-
- osalDbgCheckClassS();
- osalDbgCheck(driverp == &ILI9341D1);
- osalDbgAssert(driverp->state == ILI9341_READY, "not ready");
-
-#if (TRUE == CH_CFG_USE_MUTEXES)
- chMtxLockS(&driverp->lock);
-#else
- chSemWaitS(&driverp->lock);
-#endif
-}
-
-/**
- * @brief Gains exclusive access to the ILI9341 module.
- * @details This function tries to gain ownership to the ILI9341 module, if the
- * module is already being used then the invoking thread is queued.
- * @pre In order to use this function the option
- * @p ILI9341_USE_MUTUAL_EXCLUSION must be enabled.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @api
- */
-void ili9341AcquireBus(ILI9341Driver *driverp) {
-
- chSysLock();
- ili9341AcquireBusS(driverp);
- chSysUnlock();
-}
-
-/**
- * @brief Releases exclusive access to the ILI9341 module.
- * @pre In order to use this function the option
- * @p ILI9341_USE_MUTUAL_EXCLUSION must be enabled.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @sclass
- */
-void ili9341ReleaseBusS(ILI9341Driver *driverp) {
-
- osalDbgCheckClassS();
- osalDbgCheck(driverp == &ILI9341D1);
- osalDbgAssert(driverp->state == ILI9341_READY, "not ready");
-
-#if (TRUE == CH_CFG_USE_MUTEXES)
- chMtxUnlockS(&driverp->lock);
-#else
- chSemSignalI(&driverp->lock);
-#endif
-}
-
-/**
- * @brief Releases exclusive access to the ILI9341 module.
- * @pre In order to use this function the option
- * @p ILI9341_USE_MUTUAL_EXCLUSION must be enabled.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @api
- */
-void ili9341ReleaseBus(ILI9341Driver *driverp) {
-
- chSysLock();
- ili9341ReleaseBusS(driverp);
- chSysUnlock();
-}
-
-#endif /* ILI9341_USE_MUTUAL_EXCLUSION */
-
-#if ILI9341_IM == ILI9341_IM_4LSI_1 /* 4-wire, half-duplex */
-
-/**
- * @brief Asserts the slave select signal and prepares for transfers.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @iclass
- */
-void ili9341SelectI(ILI9341Driver *driverp) {
-
- osalDbgCheckClassI();
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_READY, "invalid state");
-
- driverp->state = ILI9341_ACTIVE;
- spiSelectI(driverp->config->spi);
-}
-
-/**
- * @brief Asserts the slave select signal and prepares for transfers.
- * @pre ILI9341 is ready.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @api
- */
-void ili9341Select(ILI9341Driver *driverp) {
-
- chSysLock();
- ili9341SelectI(driverp);
- chSysUnlock();
-}
-
-/**
- * @brief Deasserts the slave select signal.
- * @details The previously selected peripheral is unselected.
- * @pre ILI9341 is active.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @iclass
- */
-void ili9341UnselectI(ILI9341Driver *driverp) {
-
- osalDbgCheckClassI();
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- spiUnselectI(driverp->config->spi);
- driverp->state = ILI9341_READY;
-}
-
-/**
- * @brief Deasserts the slave select signal.
- * @details The previously selected peripheral is unselected.
- * @pre ILI9341 is active.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @iclass
- */
-void ili9341Unselect(ILI9341Driver *driverp) {
-
- chSysLock();
- ili9341UnselectI(driverp);
- chSysUnlock();
-}
-
-/**
- * @brief Write command byte.
- * @details Sends a command byte via SPI.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- * @param[in] cmd command byte
- *
- * @api
- */
-void ili9341WriteCommand(ILI9341Driver *driverp, uint8_t cmd) {
-
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- driverp->value = cmd;
- palClearPad(driverp->config->dcx_port, driverp->config->dcx_pad); /* !Cmd */
- spiSend(driverp->config->spi, 1, &driverp->value);
-}
-
-/**
- * @brief Write data byte.
- * @details Sends a data byte via SPI.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- * @param[in] value data byte
- *
- * @api
- */
-void ili9341WriteByte(ILI9341Driver *driverp, uint8_t value) {
-
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- driverp->value = value;
- palSetPad(driverp->config->dcx_port, driverp->config->dcx_pad); /* Data */
- spiSend(driverp->config->spi, 1, &driverp->value);
-}
-
-/**
- * @brief Read data byte.
- * @details Receives a data byte via SPI.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- *
- * @return data byte
- *
- * @api
- */
-uint8_t ili9341ReadByte(ILI9341Driver *driverp) {
-
- osalDbgAssert(FALSE, "should not be used");
-
- osalDbgCheck(driverp != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- palSetPad(driverp->config->dcx_port, driverp->config->dcx_pad); /* Data */
- spiReceive(driverp->config->spi, 1, &driverp->value);
- return driverp->value;
-}
-
-/**
- * @brief Write data chunk.
- * @details Sends a data chunk via SPI.
- * @pre The chunk must be accessed by DMA.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- * @param[in] chunk chunk bytes
- * @param[in] length chunk length
- *
- * @api
- */
-void ili9341WriteChunk(ILI9341Driver *driverp, const uint8_t chunk[],
- size_t length) {
-
- osalDbgCheck(driverp != NULL);
- osalDbgCheck(chunk != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- if (length != 0) {
- palSetPad(driverp->config->dcx_port, driverp->config->dcx_pad); /* Data */
- spiSend(driverp->config->spi, length, chunk);
- }
-}
-
-/**
- * @brief Read data chunk.
- * @details Receives a data chunk via SPI.
- * @pre The chunk must be accessed by DMA.
- *
- * @param[in] driverp pointer to the @p ILI9341Driver object
- * @param[out] chunk chunk bytes
- * @param[in] length chunk length
- *
- * @api
- */
-void ili9341ReadChunk(ILI9341Driver *driverp, uint8_t chunk[],
- size_t length) {
-
- osalDbgCheck(driverp != NULL);
- osalDbgCheck(chunk != NULL);
- osalDbgAssert(driverp->state == ILI9341_ACTIVE, "invalid state");
-
- if (length != 0) {
- palSetPad(driverp->config->dcx_port, driverp->config->dcx_pad); /* Data */
- spiReceive(driverp->config->spi, length, chunk);
- }
-}
-
-#else /* ILI9341_IM == * */
-#error "Only the ILI9341_IM_4LSI_1 interface mode is currently supported"
-#endif /* ILI9341_IM == * */
-
-/** @} */
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-19 11:19:33 +0000