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STM8S/A Standard Peripherals Firmware Library
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stm8_128_eval.c
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00001 /** 00002 ****************************************************************************** 00003 * @file stm8_128_eval.c 00004 * @author MCD Application Team 00005 * @version V1.0.1 00006 * @date 30-September-2014 00007 * @brief This file provides firmware functions to manage Leds, push-buttons 00008 * and COM ports available on STM8S Evaluation Boards from STMicroelectronics. 00009 ****************************************************************************** 00010 * 00011 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 00012 * You may not use this file except in compliance with the License. 00013 * You may obtain a copy of the License at: 00014 * 00015 * http://www.st.com/software_license_agreement_liberty_v2 00016 * 00017 * Unless required by applicable law or agreed to in writing, software 00018 * distributed under the License is distributed on an "AS IS" BASIS, 00019 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00020 * See the License for the specific language governing permissions and 00021 * limitations under the License. 00022 * 00023 ****************************************************************************** 00024 */ 00025 00026 /* Includes ------------------------------------------------------------------*/ 00027 #include "stm8_128_eval.h" 00028 #include "stm8s_spi.h" 00029 #include "stm8s_i2c.h" 00030 #include "stm8s_clk.h" 00031 00032 /** @addtogroup Utilities 00033 * @{ 00034 */ 00035 00036 /** @addtogroup STM8S_EVAL 00037 * @{ 00038 */ 00039 00040 /** @addtogroup STM8_128_EVAL 00041 * @{ 00042 */ 00043 00044 /** @defgroup STM8_128_EVAL_LOW_LEVEL 00045 * @brief This file provides firmware functions to manage Leds, push-buttons, 00046 * COM ports, SD card on SPI and EEPROM (sEE) available on STM8_128-EVAL 00047 * evaluation board from STMicroelectronics. 00048 * @{ 00049 */ 00050 00051 /* Private types definition --------------------------------------------------*/ 00052 /* Private defines -----------------------------------------------------------*/ 00053 /* Private macros ------------------------------------------------------------*/ 00054 00055 00056 /** @defgroup STM8_128_EVAL_LOW_LEVEL_Private_Variables 00057 * @{ 00058 */ 00059 GPIO_TypeDef* LED_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT, 00060 LED4_GPIO_PORT}; 00061 const uint8_t LED_PIN[LEDn] = 00062 { 00063 LED1_GPIO_PIN, LED2_GPIO_PIN, LED3_GPIO_PIN, 00064 LED4_GPIO_PIN 00065 }; 00066 00067 GPIO_TypeDef* BUTTON_PORT[BUTTONn] = 00068 { 00069 KEY_BUTTON_PORT, RIGHT_BUTTON_PORT, 00070 LEFT_BUTTON_PORT, UP_BUTTON_PORT, 00071 DOWN_BUTTON_PORT, SEL_BUTTON_PORT 00072 }; 00073 const uint8_t BUTTON_PIN[BUTTONn] = 00074 { 00075 KEY_BUTTON_PIN, RIGHT_BUTTON_PIN, 00076 LEFT_BUTTON_PIN, UP_BUTTON_PIN, 00077 DOWN_BUTTON_PIN, SEL_BUTTON_PIN 00078 }; 00079 00080 const uint8_t BUTTON_EXTI[BUTTONn] = 00081 { 00082 KEY_BUTTON_EXTI_PORT, RIGHT_BUTTON_EXTI_PORT, 00083 LEFT_BUTTON_EXTI_PORT, UP_BUTTON_EXTI_PORT, 00084 DOWN_BUTTON_EXTI_PORT, SEL_BUTTON_EXTI_PORT 00085 }; 00086 /** 00087 * @} 00088 */ 00089 00090 /* Private function prototypes -----------------------------------------------*/ 00091 00092 /** @defgroup STM8_128_EVAL_LOW_LEVEL_Private_Functions 00093 * @{ 00094 */ 00095 00096 /** 00097 * @brief Configures LED GPIO. 00098 * @param Led: Specifies the Led to be configured. 00099 * This parameter can be one of following parameters: 00100 * @arg LED1 00101 * @arg LED2 00102 * @arg LED3 00103 * @arg LED4 00104 * @retval None 00105 */ 00106 void STM_EVAL_LEDInit(Led_TypeDef Led) 00107 { 00108 /* Configure the GPIO_LED pin */ 00109 GPIO_Init(LED_PORT[Led], (GPIO_Pin_TypeDef)LED_PIN[Led], GPIO_MODE_OUT_PP_HIGH_FAST); 00110 } 00111 00112 /** 00113 * @brief Turns selected LED On. 00114 * @param Led: Specifies the Led to be set on. 00115 * This parameter can be one of following parameters: 00116 * @arg LED1 00117 * @arg LED2 00118 * @arg LED3 00119 * @arg LED4 00120 * @retval None 00121 */ 00122 void STM_EVAL_LEDOn(Led_TypeDef Led) 00123 { 00124 LED_PORT[Led]->ODR |= (uint8_t)LED_PIN[Led]; 00125 } 00126 00127 /** 00128 * @brief Turns selected LED Off. 00129 * @param Led: Specifies the Led to be set off. 00130 * This parameter can be one of following parameters: 00131 * @arg LED1 00132 * @arg LED2 00133 * @arg LED3 00134 * @arg LED4 00135 * @retval None 00136 */ 00137 void STM_EVAL_LEDOff(Led_TypeDef Led) 00138 { 00139 LED_PORT[Led]->ODR &= (uint8_t)~LED_PIN[Led]; 00140 } 00141 00142 /** 00143 * @brief Toggles the selected LED. 00144 * @param Led: Specifies the Led to be toggled. 00145 * This parameter can be one of following parameters: 00146 * @arg LED1 00147 * @arg LED2 00148 * @arg LED3 00149 * @arg LED4 00150 * @retval None 00151 */ 00152 void STM_EVAL_LEDToggle(Led_TypeDef Led) 00153 { 00154 LED_PORT[Led]->ODR ^= (uint8_t)LED_PIN[Led]; 00155 } 00156 00157 /** 00158 * @brief Configures Button GPIO and EXTI Line. 00159 * @param Button: Specifies the Button to be configured. 00160 * This parameter can be one of following parameters: 00161 * @arg BUTTON_KEY: Key Push Button 00162 * @arg BUTTON_RIGHT: Joystick Right Push Button 00163 * @arg BUTTON_LEFT: Joystick Left Push Button 00164 * @arg BUTTON_UP: Joystick Up Push Button 00165 * @arg BUTTON_DOWN: Joystick Down Push Button 00166 * @arg BUTTON_SEL: Joystick Sel Push Button 00167 * @param Button_Mode: Specifies Button mode. 00168 * This parameter can be one of following parameters: 00169 * @arg BUTTON_MODE_GPIO: Button will be used as simple IO 00170 * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI pin (sensitive to falling trigger) 00171 * @retval None 00172 */ 00173 void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode) 00174 { 00175 00176 if (Button_Mode == BUTTON_MODE_EXTI) 00177 { /* Pin configured in input floating mode with interrupt enabled 00178 --> connected to EXTIx Interrupt, where x:0..7 */ 00179 GPIO_Init(BUTTON_PORT[Button], (GPIO_Pin_TypeDef)BUTTON_PIN[Button], GPIO_MODE_IN_FL_IT); 00180 EXTI_SetExtIntSensitivity((EXTI_Port_TypeDef)BUTTON_EXTI[Button], EXTI_SENSITIVITY_FALL_LOW); 00181 } 00182 else 00183 { /* Pin configured in input floating mode with interrupt disabled */ 00184 GPIO_Init(BUTTON_PORT[Button], (GPIO_Pin_TypeDef)BUTTON_PIN[Button], GPIO_MODE_IN_FL_NO_IT); 00185 } 00186 } 00187 00188 /** 00189 * @brief Returns the selected Button state. 00190 * @param Button: Specifies the Button to be checked. 00191 * This parameter can be one of following parameters: 00192 * @arg BUTTON_KEY: Key Push Button 00193 * @arg BUTTON_RIGHT: Joystick Right Push Button 00194 * @arg BUTTON_LEFT: Joystick Left Push Button 00195 * @arg BUTTON_UP: Joystick Up Push Button 00196 * @arg BUTTON_DOWN: Joystick Down Push Button 00197 * @arg BUTTON_SEL: Joystick Sel Push Button 00198 * @retval The Button GPIO pin value. 00199 */ 00200 uint8_t STM_EVAL_PBGetState(Button_TypeDef Button) 00201 { 00202 return GPIO_ReadInputPin(BUTTON_PORT[Button], (GPIO_Pin_TypeDef)BUTTON_PIN[Button]); 00203 } 00204 00205 00206 /** 00207 * @brief DeInitializes the SD/SD communication. 00208 * @param None 00209 * @retval None 00210 */ 00211 void SD_LowLevel_DeInit(void) 00212 { 00213 SPI_Cmd(DISABLE); /*!< SD_SPI disable */ 00214 00215 /*!< SD_SPI Peripheral clock disable */ 00216 CLK_PeripheralClockConfig(SD_SPI_CLK, DISABLE); 00217 00218 /*!< Configure SD_SPI pins: SCK */ 00219 GPIO_Init(SD_SPI_SCK_GPIO_PORT, SD_SPI_SCK_PIN, GPIO_MODE_IN_FL_NO_IT); 00220 00221 /*!< Configure SD_SPI pins: MISO */ 00222 GPIO_Init(SD_SPI_MISO_GPIO_PORT, SD_SPI_MISO_PIN, GPIO_MODE_IN_FL_NO_IT); 00223 00224 /*!< Configure SD_SPI pins: MOSI */ 00225 GPIO_Init(SD_SPI_MOSI_GPIO_PORT, SD_SPI_MOSI_PIN, GPIO_MODE_IN_FL_NO_IT); 00226 00227 /*!< Configure SD_SPI_CS_PIN pin: SD Card CS pin */ 00228 GPIO_Init(SD_CS_GPIO_PORT, SD_CS_PIN, GPIO_MODE_IN_FL_NO_IT); 00229 00230 /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */ 00231 GPIO_Init(SD_DETECT_GPIO_PORT, SD_DETECT_PIN, GPIO_MODE_IN_FL_NO_IT); 00232 } 00233 00234 /** 00235 * @brief Initializes the SD_SPI and CS pins. 00236 * @param None 00237 * @retval None 00238 */ 00239 void SD_LowLevel_Init(void) 00240 { 00241 /* Enable SPI clock */ 00242 CLK_PeripheralClockConfig(SD_SPI_CLK, ENABLE); 00243 00244 /* Set the MOSI,MISO and SCK at high level */ 00245 GPIO_ExternalPullUpConfig(SD_SPI_SCK_GPIO_PORT, (GPIO_Pin_TypeDef)(SD_SPI_MISO_PIN | SD_SPI_MOSI_PIN | \ 00246 SD_SPI_SCK_PIN), ENABLE); 00247 00248 /* SD_SPI Configuration */ 00249 SPI_Init( SPI_FIRSTBIT_MSB, SPI_BAUDRATEPRESCALER_4, SPI_MODE_MASTER, 00250 SPI_CLOCKPOLARITY_HIGH, SPI_CLOCKPHASE_2EDGE, SPI_DATADIRECTION_2LINES_FULLDUPLEX, 00251 SPI_NSS_SOFT, 0x07); 00252 00253 00254 /* SD_SPI enable */ 00255 SPI_Cmd( ENABLE); 00256 00257 /* Set MSD ChipSelect pin in Output push-pull high level */ 00258 GPIO_Init(SD_CS_GPIO_PORT, SD_CS_PIN, GPIO_MODE_OUT_PP_HIGH_SLOW); 00259 } 00260 00261 /** 00262 * @brief DeInitializes peripherals used by the I2C EEPROM driver. 00263 * @param None 00264 * @retval None 00265 */ 00266 void sEE_LowLevel_DeInit(void) 00267 { 00268 /* sEE_I2C Peripheral Disable */ 00269 I2C_Cmd(DISABLE); 00270 00271 /* sEE_I2C DeInit */ 00272 I2C_DeInit(); 00273 00274 /*!< sEE_I2C Peripheral clock disable */ 00275 CLK_PeripheralClockConfig(sEE_I2C_CLK, DISABLE); 00276 00277 /*!< GPIO configuration */ 00278 /*!< Configure sEE_I2C pins: SCL */ 00279 GPIO_Init(sEE_I2C_SCL_GPIO_PORT, sEE_I2C_SCL_PIN, GPIO_MODE_IN_PU_NO_IT); 00280 00281 /*!< Configure sEE_I2C pins: SDA */ 00282 GPIO_Init(sEE_I2C_SDA_GPIO_PORT, sEE_I2C_SDA_PIN, GPIO_MODE_IN_PU_NO_IT); 00283 } 00284 00285 /** 00286 * @brief Initializes peripherals used by the I2C EEPROM driver. 00287 * @param None 00288 * @retval None 00289 */ 00290 void sEE_LowLevel_Init(void) 00291 { 00292 /*!< sEE_I2C Peripheral clock enable */ 00293 CLK_PeripheralClockConfig(sEE_I2C_CLK, ENABLE); 00294 00295 } 00296 00297 /** 00298 * @} 00299 */ 00300 00301 /** 00302 * @} 00303 */ 00304 00305 /** 00306 * @} 00307 */ 00308 00309 /** 00310 * @} 00311 */ 00312 00313 /** 00314 * @} 00315 */ 00316 00317 00318 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/