Add Cortex M23 GCC and IAR ports. Add demo projects for Nuvoton NuMaker-PFM-2351.

[freertos] / FreeRTOS / Demo / CORTEX_MPU_M23_Nuvoton_NuMaker_PFM_M2351_IAR_GCC / Nuvoton_Code / StdDriver / src / dac.c

diff --git a/FreeRTOS/Demo/CORTEX_MPU_M23_Nuvoton_NuMaker_PFM_M2351_IAR_GCC/Nuvoton_Code/StdDriver/src/dac.c b/FreeRTOS/Demo/CORTEX_MPU_M23_Nuvoton_NuMaker_PFM_M2351_IAR_GCC/Nuvoton_Code/StdDriver/src/dac.c
new file mode 100644 (file)
index 0000000..f263152
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_MPU_M23_Nuvoton_NuMaker_PFM_M2351_IAR_GCC/Nuvoton_Code/StdDriver/src/dac.c
@@ -0,0 +1,91 @@
+/**************************************************************************//**\r
+ * @file     dac.c\r
+ * @version  V1.00\r
+ * @brief    M2351 series DAC driver source file\r
+ *\r
+ * @note\r
+ * Copyright (C) 2017 Nuvoton Technology Corp. All rights reserved.\r
+*****************************************************************************/\r
+#include "NuMicro.h"\r
+\r
+/** @addtogroup Standard_Driver Standard Driver\r
+  @{\r
+*/\r
+\r
+/** @addtogroup DAC_Driver DAC Driver\r
+  @{\r
+*/\r
+\r
+/** @addtogroup DAC_EXPORTED_FUNCTIONS DAC Exported Functions\r
+  @{\r
+*/\r
+\r
+/**\r
+  * @brief This function make DAC module be ready to convert.\r
+  * @param[in] dac The pointer of the specified DAC module.\r
+  * @param[in] u32Ch Not used in M2351 Series DAC.\r
+  * @param[in] u32TrgSrc Decides the trigger source. Valid values are:\r
+  *                      - \ref DAC_WRITE_DAT_TRIGGER             :Write DAC_DAT trigger\r
+  *                      - \ref DAC_SOFTWARE_TRIGGER              :Software trigger\r
+  *                      - \ref DAC_LOW_LEVEL_TRIGGER             :STDAC pin low level trigger\r
+  *                      - \ref DAC_HIGH_LEVEL_TRIGGER            :STDAC pin high level trigger\r
+  *                      - \ref DAC_FALLING_EDGE_TRIGGER          :STDAC pin falling edge trigger\r
+  *                      - \ref DAC_RISING_EDGE_TRIGGER           :STDAC pin rising edge trigger\r
+  *                      - \ref DAC_TIMER0_TRIGGER                :Timer 0 trigger\r
+  *                      - \ref DAC_TIMER1_TRIGGER                :Timer 1 trigger\r
+  *                      - \ref DAC_TIMER2_TRIGGER                :Timer 2 trigger\r
+  *                      - \ref DAC_TIMER3_TRIGGER                :Timer 3 trigger\r
+  *                      - \ref DAC_EPWM0_TRIGGER                 :EPWM0 trigger\r
+  *                      - \ref DAC_EPWM1_TRIGGER                 :EPWM1 trigger\r
+  * @return None\r
+  * @details The DAC conversion can be started by writing DAC_DAT, software trigger or hardware trigger.\r
+  *         When TRGEN (DAC_CTL[4]) is 0, the data conversion is started by writing DAC_DAT register.\r
+  *         When TRGEN (DAC_CTL[4]) is 1, the data conversion is started by SWTRG (DAC_SWTRG[0]) is set to 1,\r
+  *         external STDAC pin, timer event, or EPWM event.\r
+  */\r
+void DAC_Open(DAC_T *dac,\r
+              uint32_t u32Ch,\r
+              uint32_t u32TrgSrc)\r
+{\r
+    dac->CTL &= ~(DAC_CTL_ETRGSEL_Msk | DAC_CTL_TRGSEL_Msk | DAC_CTL_TRGEN_Msk);\r
+\r
+    dac->CTL |= (u32TrgSrc | DAC_CTL_DACEN_Msk);\r
+}\r
+\r
+/**\r
+  * @brief Disable DAC analog power.\r
+  * @param[in] dac The pointer of the specified DAC module.\r
+  * @param[in] u32Ch Not used in M2351 Series DAC.\r
+  * @return None\r
+  * @details Disable DAC analog power for saving power consumption.\r
+  */\r
+void DAC_Close(DAC_T *dac, uint32_t u32Ch)\r
+{\r
+    dac->CTL &= (~DAC_CTL_DACEN_Msk);\r
+}\r
+\r
+/**\r
+  * @brief Set delay time for DAC to become stable.\r
+  * @param[in] dac The pointer of the specified DAC module.\r
+  * @param[in] u32Delay Decides the DAC conversion settling time, the range is from 0~(1023/PCLK1*1000000) micro seconds.\r
+  * @return Real DAC conversion settling time (micro second).\r
+  * @details For example, DAC controller clock speed is 64MHz and DAC conversion setting time is 1 us, SETTLET (DAC_TCTL[9:0]) value must be greater than 0x40.\r
+  * @note User needs to write appropriate value to meet DAC conversion settling time base on PCLK (APB clock) speed.\r
+  */\r
+uint32_t DAC_SetDelayTime(DAC_T *dac, uint32_t u32Delay)\r
+{\r
+\r
+    dac->TCTL = ((CLK_GetPCLK1Freq() * u32Delay / 1000000UL) & 0x3FFUL);\r
+\r
+    return ((dac->TCTL) * 1000000UL / CLK_GetPCLK1Freq());\r
+}\r
+\r
+\r
+\r
+/*@}*/ /* end of group DAC_EXPORTED_FUNCTIONS */\r
+\r
+/*@}*/ /* end of group DAC_Driver */\r
+\r
+/*@}*/ /* end of group Standard_Driver */\r
+\r
+/*** (C) COPYRIGHT 2017 Nuvoton Technology Corp. ***/\r