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| Rev | Author | Line No. | Line |
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| 1 | ingob | 1 | /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| 2 | * File Name : hw_config.c |
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| 3 | * Author : MCD Application Team |
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| 4 | * Date First Issued : 10/01/2006 : V1.0 |
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| 5 | * Description : Hardware Configuration & Setup |
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| 6 | ******************************************************************************** |
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| 7 | * History: |
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| 8 | * 10/01/2006 : V1.0 |
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| 9 | ******************************************************************************** |
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| 10 | * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
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| 11 | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
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| 12 | * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
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| 13 | * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
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| 14 | * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
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| 15 | * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
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| 16 | *******************************************************************************/ |
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| 17 | /* Includes ------------------------------------------------------------------*/ |
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| 18 | #include "91x_lib.h" |
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| 19 | #include "usb_lib.h" |
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| 20 | #include "usb_prop.h" |
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| 21 | #include "hw_config.h" |
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| 22 | #include "usb_mem.h" |
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| 23 | /* Private typedef -----------------------------------------------------------*/ |
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| 24 | /* Private define ------------------------------------------------------------*/ |
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| 25 | /* Private macro -------------------------------------------------------------*/ |
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| 26 | /* Private variables ---------------------------------------------------------*/ |
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| 27 | GPIO_InitTypeDef GPIO_InitStructure; |
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| 28 | UART_InitTypeDef UART_InitStructure; |
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| 29 | /* External variables --------------------------------------------------------*/ |
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| 30 | extern u8 buffer_in[]; |
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| 31 | extern u32 count_in; |
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| 32 | extern LINE_CODING linecoding; |
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| 33 | /* Private function prototypes -----------------------------------------------*/ |
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| 34 | /* Private functions ---------------------------------------------------------*/ |
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| 35 | /******************************************************************************* |
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| 36 | * Function Name : Set_System. |
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| 37 | * Description : Configures Main system clocks & power |
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| 38 | * Input : None. |
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| 39 | * Return : None. |
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| 40 | *******************************************************************************/ |
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| 41 | void Set_System(void) |
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| 42 | { |
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| 43 | /* SCU_MCLKSourceConfig(SCU_MCLK_OSC); |
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| 44 | FMI_Config(FMI_READ_WAIT_STATE_2,FMI_WRITE_WAIT_STATE_0, FMI_PWD_ENABLE,\ |
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| 45 | FMI_LVD_ENABLE,FMI_FREQ_HIGH); |
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| 46 | SCU_PLLFactorsConfig(192,25,2); |
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| 47 | SCU_PLLCmd(ENABLE); |
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| 48 | SCU_MCLKSourceConfig(SCU_MCLK_PLL); |
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| 49 | |||
| 50 | SCU_AHBPeriphClockConfig(__VIC,ENABLE); |
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| 51 | SCU_AHBPeriphReset(__VIC,DISABLE);*/ |
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| 52 | /*USB clock = MCLK= 48MHz*/ |
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| 53 | SCU_USBCLKConfig(SCU_USBCLK_MCLK2); |
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| 54 | /*Enable USB clock*/ |
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| 55 | SCU_AHBPeriphClockConfig(__USB,ENABLE); |
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| 56 | SCU_AHBPeriphReset(__USB,DISABLE); |
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| 57 | |||
| 58 | SCU_AHBPeriphClockConfig(__USB48M,ENABLE); |
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| 59 | |||
| 60 | /* Enable the UART0 Clock */ |
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| 61 | SCU_APBPeriphClockConfig(__UART0, ENABLE); |
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| 62 | SCU_AHBPeriphReset(__UART0,DISABLE); |
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| 63 | |||
| 64 | /* Enable the GPIO2 Clock */ |
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| 65 | SCU_APBPeriphClockConfig(__GPIO2, ENABLE); |
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| 66 | SCU_AHBPeriphReset(__GPIO2,DISABLE); |
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| 67 | /* Enable the GPIO3 Clock */ |
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| 68 | SCU_APBPeriphClockConfig(__GPIO3, ENABLE); |
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| 69 | SCU_AHBPeriphReset(__GPIO3,DISABLE); |
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| 70 | /* Enable the GPIO5 Clock */ |
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| 71 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); |
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| 72 | SCU_AHBPeriphReset(__GPIO5,DISABLE); |
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| 73 | |||
| 74 | /*Configure GPIO0 (D+ Pull-Up on P0.1)*/ |
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| 75 | |||
| 76 | SCU_APBPeriphClockConfig(__GPIO0 ,ENABLE); |
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| 77 | SCU_APBPeriphReset(__GPIO0,DISABLE); |
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| 78 | |||
| 79 | GPIO_DeInit(GPIO0); |
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| 80 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
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| 81 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; |
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| 82 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 83 | GPIO_InitStructure.GPIO_IPConnected=GPIO_IPConnected_Enable; |
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| 84 | GPIO_InitStructure.GPIO_Alternate=GPIO_OutputAlt1; |
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| 85 | GPIO_Init (GPIO0, &GPIO_InitStructure); |
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| 86 | |||
| 87 | /*Configure UART0_CTS P2.0*/ |
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| 88 | GPIO_DeInit(GPIO2); |
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| 89 | /*After DeInit function P2.0 = UART0_CTS (defaut configuration)*/ |
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| 90 | |||
| 91 | GPIO_DeInit(GPIO5); |
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| 92 | /*Gonfigure UART0_Rx pin GPIO5.1*/ |
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| 93 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
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| 94 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; |
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| 95 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 96 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
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| 97 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1 ; |
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| 98 | GPIO_Init (GPIO5, &GPIO_InitStructure); |
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| 99 | |||
| 100 | GPIO_DeInit(GPIO3); |
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| 101 | /*Gonfigure UART0_Tx pin GPIO3.4*/ |
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| 102 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
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| 103 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
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| 104 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 105 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt3 ; |
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| 106 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
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| 107 | |||
| 108 | /*Gonfigure UART0_RTS pin GPIO3.3*/ |
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| 109 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
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| 110 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
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| 111 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 112 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
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| 113 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt3 ; |
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| 114 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
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| 115 | |||
| 116 | UART_DeInit(UART0); |
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| 117 | /* Enable the UART Receive interrupt: this interrupt is generated when the UART0 |
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| 118 | receive FIFO hold two data */ |
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| 119 | UART_ITConfig(UART0, UART_IT_Receive, ENABLE); |
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| 120 | |||
| 121 | VIC_DeInit(); |
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| 122 | VIC_Config(UART0_ITLine, VIC_IRQ, 2); |
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| 123 | VIC_ITCmd(UART0_ITLine, ENABLE); |
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| 124 | } |
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| 125 | /******************************************************************************* |
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| 126 | * Function Name : USB_Cable_Config |
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| 127 | * Description : Software Connection/Disconnection of USB Cable |
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| 128 | * Input : None. |
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| 129 | * Return : Status |
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| 130 | *******************************************************************************/ |
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| 131 | void USB_Cable_Config (FunctionalState NewState) |
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| 132 | { |
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| 133 | |||
| 134 | if (NewState == ENABLE) |
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| 135 | GPIO_WriteBit(GPIO0, GPIO_Pin_1, Bit_RESET); |
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| 136 | else |
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| 137 | GPIO_WriteBit(GPIO0, GPIO_Pin_1, Bit_SET); |
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| 138 | |||
| 139 | } |
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| 140 | /******************************************************************************* |
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| 141 | * Function Name : Enter_LowPowerMode. |
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| 142 | * Description : |
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| 143 | * Input : None. |
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| 144 | * Return : None. |
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| 145 | *******************************************************************************/ |
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| 146 | void Enter_LowPowerMode(void) |
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| 147 | { |
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| 148 | } |
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| 149 | /******************************************************************************* |
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| 150 | * Function Name : Leave_LowPowerMode. |
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| 151 | * Description : |
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| 152 | * Input : None. |
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| 153 | * Return : None. |
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| 154 | *******************************************************************************/ |
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| 155 | void Leave_LowPowerMode(void) |
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| 156 | { |
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| 157 | } |
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| 158 | /******************************************************************************* |
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| 159 | * Function Name : USB_Interrupts_Config. |
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| 160 | * Description : configure and enable the USB interrupt Lines. |
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| 161 | * Input : None. |
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| 162 | * Return : None. |
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| 163 | *******************************************************************************/ |
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| 164 | void USB_Interrupts_Config(void) |
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| 165 | { |
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| 166 | |||
| 167 | } |
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| 168 | /******************************************************************************* |
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| 169 | * Function Name : UART0_Config_Default. |
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| 170 | * Description : configure the UART 0 with default values. |
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| 171 | * Input : None. |
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| 172 | * Return : None. |
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| 173 | *******************************************************************************/ |
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| 174 | void UART0_Config_Default (void) |
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| 175 | { |
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| 176 | UART_InitStructure.UART_WordLength = UART_WordLength_8D; |
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| 177 | UART_InitStructure.UART_Parity = UART_Parity_No; |
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| 178 | UART_InitStructure.UART_StopBits = UART_StopBits_1; |
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| 179 | UART_InitStructure.UART_BaudRate = 115200; |
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| 180 | UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_RTS_CTS; |
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| 181 | UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx; |
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| 182 | UART_InitStructure.UART_FIFO = UART_FIFO_Disable; |
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| 183 | UART_Init(UART0, &UART_InitStructure); |
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| 184 | UART_Cmd(UART0, ENABLE); |
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| 185 | } |
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| 186 | /******************************************************************************* |
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| 187 | * Function Name : UART0_Config. |
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| 188 | * Description : Configure the UART 0 according to the linecoding structure. |
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| 189 | * Input : None. |
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| 190 | * Return : Configuration status |
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| 191 | TRUE : configuration done with success |
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| 192 | FALSE : configuration aborted. |
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| 193 | *******************************************************************************/ |
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| 194 | bool UART0_Config(void) |
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| 195 | { |
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| 196 | /* set the bit rate*/ |
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| 197 | if (linecoding.bitrate > 460800) |
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| 198 | { |
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| 199 | UART0_Config_Default(); |
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| 200 | return (FALSE); |
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| 201 | } |
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| 202 | /* set the Stop bit*/ |
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| 203 | switch (linecoding.format) |
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| 204 | { |
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| 205 | case 0: UART_InitStructure.UART_StopBits = UART_StopBits_1; |
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| 206 | break; |
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| 207 | case 2: UART_InitStructure.UART_StopBits = UART_StopBits_2; |
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| 208 | break; |
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| 209 | default : |
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| 210 | { |
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| 211 | UART0_Config_Default(); |
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| 212 | return (FALSE); |
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| 213 | } |
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| 214 | } |
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| 215 | /* set the parity bit*/ |
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| 216 | switch (linecoding.paritytype) |
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| 217 | { |
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| 218 | case 0: UART_InitStructure.UART_Parity = UART_Parity_No; |
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| 219 | break; |
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| 220 | case 1: UART_InitStructure.UART_Parity = UART_Parity_Even; |
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| 221 | break; |
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| 222 | case 2: UART_InitStructure.UART_Parity = UART_Parity_Odd; |
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| 223 | break; |
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| 224 | case 3: UART_InitStructure.UART_Parity = UART_Parity_OddStick; |
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| 225 | break; |
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| 226 | case 4: UART_InitStructure.UART_Parity = UART_Parity_EvenStick; |
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| 227 | break; |
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| 228 | default : |
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| 229 | { |
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| 230 | UART0_Config_Default(); |
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| 231 | return (FALSE); |
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| 232 | } |
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| 233 | } |
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| 234 | /*set the data type*/ |
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| 235 | switch (linecoding.datatype) |
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| 236 | { |
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| 237 | case 0x08: UART_InitStructure.UART_WordLength = UART_WordLength_8D; |
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| 238 | break; |
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| 239 | case 0x07: UART_InitStructure.UART_WordLength = UART_WordLength_7D; |
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| 240 | break; |
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| 241 | case 0x06: UART_InitStructure.UART_WordLength = UART_WordLength_6D; |
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| 242 | break; |
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| 243 | case 0x05: UART_InitStructure.UART_WordLength = UART_WordLength_5D; |
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| 244 | break; |
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| 245 | default : |
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| 246 | { |
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| 247 | UART0_Config_Default(); |
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| 248 | return (FALSE); |
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| 249 | } |
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| 250 | } |
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| 251 | |||
| 252 | UART_InitStructure.UART_BaudRate = linecoding.bitrate; |
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| 253 | UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_RTS_CTS; |
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| 254 | UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx; |
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| 255 | UART_InitStructure.UART_FIFO = UART_FIFO_Disable; |
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| 256 | UART_Init(UART0, &UART_InitStructure); |
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| 257 | UART_Cmd(UART0, ENABLE); |
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| 258 | return (TRUE); |
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| 259 | } |
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| 260 | /******************************************************************************* |
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| 261 | * Function Name : USB_To_UART_Send_Data. |
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| 262 | * Description : send the received data from USB to the UART 0. |
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| 263 | * Input : data_buffer: data address. |
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| 264 | Nb_bytes: number of bytes to send. |
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| 265 | * Return : none. |
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| 266 | *******************************************************************************/ |
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| 267 | void USB_To_UART_Send_Data(u8* data_buffer, u8 Nb_bytes) |
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| 268 | { |
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| 269 | u32 i; |
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| 270 | |||
| 271 | for(i=0;i<Nb_bytes;i++) |
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| 272 | { |
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| 273 | UART_SendData(UART0, *(data_buffer + i)); |
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| 274 | } |
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| 275 | } |
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| 276 | /******************************************************************************* |
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| 277 | * Function Name : UART_To_USB_Send_Data. |
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| 278 | * Description : send the received data from UART 0 to USB. |
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| 279 | * Input : None. |
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| 280 | * Return : none. |
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| 281 | *******************************************************************************/ |
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| 282 | void UART_To_USB_Send_Data(void) |
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| 283 | { |
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| 284 | buffer_in[count_in] = UART_ReceiveData(UART0); |
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| 285 | count_in++; |
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| 286 | UserToPMABufferCopy(buffer_in, ENDP1_TXADDR, count_in); |
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| 287 | SetEPTxCount(ENDP1,count_in); |
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| 288 | SetEPTxValid(ENDP1); |
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| 289 | } |
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| 290 | /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
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| 291 | |||
| 292 |