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1 | /*#######################################################################################*/ |
1 | /*#######################################################################################*/ |
2 | /* !!! THIS IS NOT FREE SOFTWARE !!! */ |
2 | /* !!! THIS IS NOT FREE SOFTWARE !!! */ |
3 | /*#######################################################################################*/ |
3 | /*#######################################################################################*/ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
5 | // + www.MikroKopter.com |
5 | // + www.MikroKopter.com |
6 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
6 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
7 | // + Software Nutzungsbedingungen (english version: see below) |
7 | // + Software Nutzungsbedingungen (english version: see below) |
8 | // + der Fa. HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland - nachfolgend Lizenzgeber genannt - |
8 | // + der Fa. HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland - nachfolgend Lizenzgeber genannt - |
9 | // + Der Lizenzgeber räumt dem Kunden ein nicht-ausschließliches, zeitlich und räumlich* unbeschränktes Recht ein, die im den |
9 | // + Der Lizenzgeber räumt dem Kunden ein nicht-ausschließliches, zeitlich und räumlich* unbeschränktes Recht ein, die im den |
10 | // + Mikrocontroller verwendete Firmware für die Hardware Flight-Ctrl, Navi-Ctrl, BL-Ctrl, MK3Mag & PC-Programm MikroKopter-Tool |
10 | // + Mikrocontroller verwendete Firmware für die Hardware Flight-Ctrl, Navi-Ctrl, BL-Ctrl, MK3Mag & PC-Programm MikroKopter-Tool |
11 | // + - nachfolgend Software genannt - nur für private Zwecke zu nutzen. |
11 | // + - nachfolgend Software genannt - nur für private Zwecke zu nutzen. |
12 | // + Der Einsatz dieser Software ist nur auf oder mit Produkten des Lizenzgebers zulässig. |
12 | // + Der Einsatz dieser Software ist nur auf oder mit Produkten des Lizenzgebers zulässig. |
13 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
13 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
14 | // + Die vom Lizenzgeber gelieferte Software ist urheberrechtlich geschützt. Alle Rechte an der Software sowie an sonstigen im |
14 | // + Die vom Lizenzgeber gelieferte Software ist urheberrechtlich geschützt. Alle Rechte an der Software sowie an sonstigen im |
15 | // + Rahmen der Vertragsanbahnung und Vertragsdurchführung überlassenen Unterlagen stehen im Verhältnis der Vertragspartner ausschließlich dem Lizenzgeber zu. |
15 | // + Rahmen der Vertragsanbahnung und Vertragsdurchführung überlassenen Unterlagen stehen im Verhältnis der Vertragspartner ausschließlich dem Lizenzgeber zu. |
16 | // + Die in der Software enthaltenen Copyright-Vermerke, Markenzeichen, andere Rechtsvorbehalte, Seriennummern sowie |
16 | // + Die in der Software enthaltenen Copyright-Vermerke, Markenzeichen, andere Rechtsvorbehalte, Seriennummern sowie |
17 | // + sonstige der Programmidentifikation dienenden Merkmale dürfen vom Kunden nicht verändert oder unkenntlich gemacht werden. |
17 | // + sonstige der Programmidentifikation dienenden Merkmale dürfen vom Kunden nicht verändert oder unkenntlich gemacht werden. |
18 | // + Der Kunde trifft angemessene Vorkehrungen für den sicheren Einsatz der Software. Er wird die Software gründlich auf deren |
18 | // + Der Kunde trifft angemessene Vorkehrungen für den sicheren Einsatz der Software. Er wird die Software gründlich auf deren |
19 | // + Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
19 | // + Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
20 | // + Die Haftung des Lizenzgebers wird - soweit gesetzlich zulässig - begrenzt in Höhe des typischen und vorhersehbaren |
20 | // + Die Haftung des Lizenzgebers wird - soweit gesetzlich zulässig - begrenzt in Höhe des typischen und vorhersehbaren |
21 | // + Schadens. Die gesetzliche Haftung bei Personenschäden und nach dem Produkthaftungsgesetz bleibt unberührt. Dem Lizenzgeber steht jedoch der Einwand |
21 | // + Schadens. Die gesetzliche Haftung bei Personenschäden und nach dem Produkthaftungsgesetz bleibt unberührt. Dem Lizenzgeber steht jedoch der Einwand |
22 | // + des Mitverschuldens offen. |
22 | // + des Mitverschuldens offen. |
23 | // + Der Kunde trifft angemessene Vorkehrungen für den Fall, dass die Software ganz oder teilweise nicht ordnungsgemäß arbeitet. |
23 | // + Der Kunde trifft angemessene Vorkehrungen für den Fall, dass die Software ganz oder teilweise nicht ordnungsgemäß arbeitet. |
24 | // + Er wird die Software gründlich auf deren Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
24 | // + Er wird die Software gründlich auf deren Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
25 | // + Der Kunde wird er seine Daten vor Einsatz der Software nach dem Stand der Technik sichern. |
25 | // + Der Kunde wird er seine Daten vor Einsatz der Software nach dem Stand der Technik sichern. |
26 | // + Der Kunde ist darüber unterrichtet, dass der Lizenzgeber seine Daten im zur Vertragsdurchführung erforderlichen Umfang |
26 | // + Der Kunde ist darüber unterrichtet, dass der Lizenzgeber seine Daten im zur Vertragsdurchführung erforderlichen Umfang |
27 | // + und auf Grundlage der Datenschutzvorschriften erhebt, speichert, verarbeitet und, sofern notwendig, an Dritte übermittelt. |
27 | // + und auf Grundlage der Datenschutzvorschriften erhebt, speichert, verarbeitet und, sofern notwendig, an Dritte übermittelt. |
28 | // + *) Die räumliche Nutzung bezieht sich nur auf den Einsatzort, nicht auf die Reichweite der programmierten Software. |
28 | // + *) Die räumliche Nutzung bezieht sich nur auf den Einsatzort, nicht auf die Reichweite der programmierten Software. |
29 | // + #### ENDE DER NUTZUNGSBEDINGUNGEN ####' |
29 | // + #### ENDE DER NUTZUNGSBEDINGUNGEN ####' |
30 | // + Hinweis: Informationen über erweiterte Nutzungsrechte (wie z.B. Nutzung für nicht-private Zwecke) sind auf Anfrage per Email an info(@)hisystems.de verfügbar. |
30 | // + Hinweis: Informationen über erweiterte Nutzungsrechte (wie z.B. Nutzung für nicht-private Zwecke) sind auf Anfrage per Email an info(@)hisystems.de verfügbar. |
31 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
31 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
32 | // + Software LICENSING TERMS |
32 | // + Software LICENSING TERMS |
33 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
33 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
34 | // + of HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland, Germany - the Licensor - |
34 | // + of HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland, Germany - the Licensor - |
35 | // + The Licensor grants the customer a non-exclusive license to use the microcontroller firmware of the Flight-Ctrl, Navi-Ctrl, BL-Ctrl, and MK3Mag hardware |
35 | // + The Licensor grants the customer a non-exclusive license to use the microcontroller firmware of the Flight-Ctrl, Navi-Ctrl, BL-Ctrl, and MK3Mag hardware |
36 | // + (the Software) exclusively for private purposes. The License is unrestricted with respect to time and territory*. |
36 | // + (the Software) exclusively for private purposes. The License is unrestricted with respect to time and territory*. |
37 | // + The Software may only be used with the Licensor's products. |
37 | // + The Software may only be used with the Licensor's products. |
38 | // + The Software provided by the Licensor is protected by copyright. With respect to the relationship between the parties to this |
38 | // + The Software provided by the Licensor is protected by copyright. With respect to the relationship between the parties to this |
39 | // + agreement, all rights pertaining to the Software and other documents provided during the preparation and execution of this |
39 | // + agreement, all rights pertaining to the Software and other documents provided during the preparation and execution of this |
40 | // + agreement shall be the property of the Licensor. |
40 | // + agreement shall be the property of the Licensor. |
41 | // + The information contained in the Software copyright notices, trademarks, other legal reservations, serial numbers and other |
41 | // + The information contained in the Software copyright notices, trademarks, other legal reservations, serial numbers and other |
42 | // + features that can be used to identify the program may not be altered or defaced by the customer. |
42 | // + features that can be used to identify the program may not be altered or defaced by the customer. |
43 | // + The customer shall be responsible for taking reasonable precautions |
43 | // + The customer shall be responsible for taking reasonable precautions |
44 | // + for the safe use of the Software. The customer shall test the Software thoroughly regarding its suitability for the |
44 | // + for the safe use of the Software. The customer shall test the Software thoroughly regarding its suitability for the |
45 | // + intended purpose before implementing it for actual operation. The Licensor's liability shall be limited to the extent of typical and |
45 | // + intended purpose before implementing it for actual operation. The Licensor's liability shall be limited to the extent of typical and |
46 | // + foreseeable damage to the extent permitted by law, notwithstanding statutory liability for bodily injury and product |
46 | // + foreseeable damage to the extent permitted by law, notwithstanding statutory liability for bodily injury and product |
47 | // + liability. However, the Licensor shall be entitled to the defense of contributory negligence. |
47 | // + liability. However, the Licensor shall be entitled to the defense of contributory negligence. |
48 | // + The customer will take adequate precautions in the case, that the software is not working properly. The customer will test |
48 | // + The customer will take adequate precautions in the case, that the software is not working properly. The customer will test |
49 | // + the software for his purpose before any operational usage. The customer will backup his data before using the software. |
49 | // + the software for his purpose before any operational usage. The customer will backup his data before using the software. |
50 | // + The customer understands that the Licensor collects, stores and processes, and, where required, forwards, customer data |
50 | // + The customer understands that the Licensor collects, stores and processes, and, where required, forwards, customer data |
51 | // + to third parties to the extent necessary for executing the agreement, subject to applicable data protection and privacy regulations. |
51 | // + to third parties to the extent necessary for executing the agreement, subject to applicable data protection and privacy regulations. |
52 | // + *) The territory aspect only refers to the place where the Software is used, not its programmed range. |
52 | // + *) The territory aspect only refers to the place where the Software is used, not its programmed range. |
53 | // + #### END OF LICENSING TERMS #### |
53 | // + #### END OF LICENSING TERMS #### |
54 | // + Note: For information on license extensions (e.g. commercial use), please contact us at info(@)hisystems.de. |
54 | // + Note: For information on license extensions (e.g. commercial use), please contact us at info(@)hisystems.de. |
55 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
55 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
56 | #include "91x_lib.h" |
56 | #include "91x_lib.h" |
57 | #include "config.h" |
57 | #include "config.h" |
58 | #include "main.h" |
58 | #include "main.h" |
59 | 59 | ||
60 | //________________________________________________________________________________________________________________________________________ |
60 | //________________________________________________________________________________________________________________________________________ |
61 | // Module name: ssc.c |
61 | // Module name: ssc.c |
62 | // Compiler used: avr-gcc 3.4.5 |
62 | // Compiler used: avr-gcc 3.4.5 |
63 | // Last Modifikation: 24.07.2007 |
63 | // Last Modifikation: 24.07.2007 |
64 | // Version: 1.02 |
64 | // Version: 1.02 |
65 | // Authors: Stephan Busker |
65 | // Authors: Stephan Busker |
66 | // Description: Source files for access to the synchrnous serial channel. |
66 | // Description: Source files for access to the synchrnous serial channel. |
67 | // Copyright (C) 2007 Stephan Busker |
67 | // Copyright (C) 2007 Stephan Busker |
68 | //........................................................................................................................................ |
68 | //........................................................................................................................................ |
69 | // ext. Functions: extern void SSC_Init(void); |
69 | // ext. Functions: extern void SSC_Init(void); |
70 | // extern u8 SSC_GetChar (void); |
70 | // extern u8 SSC_GetChar (void); |
71 | // extern void SSC_PutChar (u8 Byte); |
71 | // extern void SSC_PutChar (u8 Byte); |
72 | // extern void SSC_Disable(void); |
72 | // extern void SSC_Disable(void); |
73 | // extern void SSC_Enable(void); |
73 | // extern void SSC_Enable(void); |
74 | // extern void SSC_ClearRxFifo(); |
74 | // extern void SSC_ClearRxFifo(); |
75 | //........................................................................................................................................ |
75 | //........................................................................................................................................ |
76 | // URL: www.Mikro-Control.de |
76 | // URL: www.Mikro-Control.de |
77 | // mailto: stephan.busker@mikro-control.de |
77 | // mailto: stephan.busker@mikro-control.de |
78 | //________________________________________________________________________________________________________________________________________ |
78 | //________________________________________________________________________________________________________________________________________ |
79 | 79 | ||
80 | 80 | ||
81 | 81 | ||
82 | //________________________________________________________________________________________________________________________________________ |
82 | //________________________________________________________________________________________________________________________________________ |
83 | // Function: SSC_Enable(void); |
83 | // Function: SSC_Enable(void); |
84 | // |
84 | // |
85 | // Description: This function enables chipselect of the sdcard (active low) |
85 | // Description: This function enables chipselect of the sdcard (active low) |
86 | // |
86 | // |
87 | // |
87 | // |
88 | // Returnvalue: none |
88 | // Returnvalue: none |
89 | //________________________________________________________________________________________________________________________________________ |
89 | //________________________________________________________________________________________________________________________________________ |
90 | 90 | ||
91 | void SSC_Enable(void) |
91 | void SSC_Enable(void) |
92 | { |
92 | { |
93 | // enable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
93 | // enable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
94 | GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_RESET); |
94 | GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_RESET); |
95 | } |
95 | } |
96 | 96 | ||
97 | //________________________________________________________________________________________________________________________________________ |
97 | //________________________________________________________________________________________________________________________________________ |
98 | // Function: SSC_Disable(void); |
98 | // Function: SSC_Disable(void); |
99 | // |
99 | // |
100 | // Description: This function disables chipselect of the sdcard (active low) |
100 | // Description: This function disables chipselect of the sdcard (active low) |
101 | // |
101 | // |
102 | // |
102 | // |
103 | // Returnvalue: none |
103 | // Returnvalue: none |
104 | //________________________________________________________________________________________________________________________________________ |
104 | //________________________________________________________________________________________________________________________________________ |
105 | 105 | ||
106 | void SSC_Disable(void) |
106 | void SSC_Disable(void) |
107 | { |
107 | { |
108 | // disable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
108 | // disable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
109 | GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_SET); |
109 | GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_SET); |
110 | } |
110 | } |
111 | 111 | ||
112 | 112 | ||
113 | //________________________________________________________________________________________________________________________________________ |
113 | //________________________________________________________________________________________________________________________________________ |
114 | // Function: SSC_Init(void); |
114 | // Function: SSC_Init(void); |
115 | // |
115 | // |
116 | // Description: This function initialises the synchronus serial channel to the sdcard. |
116 | // Description: This function initialises the synchronus serial channel to the sdcard. |
117 | // |
117 | // |
118 | // |
118 | // |
119 | // Returnvalue: none |
119 | // Returnvalue: none |
120 | //________________________________________________________________________________________________________________________________________ |
120 | //________________________________________________________________________________________________________________________________________ |
- | 121 | ||
- | 122 | void SSC_Speed(u32 speed) |
|
- | 123 | { |
|
- | 124 | SSP_InitTypeDef SSP_InitStructure; |
|
- | 125 | ||
- | 126 | SSP_Cmd(SSP1, DISABLE); |
|
- | 127 | SSP_DeInit(SSP1); |
|
- | 128 | SSP_StructInit(&SSP_InitStructure); |
|
- | 129 | SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_Motorola; |
|
- | 130 | SSP_InitStructure.SSP_Mode = SSP_Mode_Master; |
|
- | 131 | SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge; |
|
- | 132 | SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low; |
|
- | 133 | // Set Baud Rate (Prescaler) |
|
- | 134 | // bit rate is BRCLK/SSP_ClockPrescaler/(1+SSP_ClockRate)) |
|
- | 135 | // With MSCLK = 48MHz = BRCLK we get for the SPICLK = 48Mhz / 20 / (1+5) = 400 kHz |
|
- | 136 | SSP_InitStructure.SSP_ClockRate = 5; //5 |
|
- | 137 | SSP_InitStructure.SSP_ClockPrescaler = (48000 / (5+1)) / speed; |
|
- | 138 | SSP_Init(SSP1, &SSP_InitStructure); |
|
- | 139 | SSP_Cmd(SSP1, ENABLE); |
|
- | 140 | } |
|
- | 141 | ||
121 | 142 | ||
122 | void SSC_Init(void) |
143 | void SSC_Init(void) |
123 | { |
144 | { |
124 | GPIO_InitTypeDef GPIO_InitStructure; |
145 | GPIO_InitTypeDef GPIO_InitStructure; |
125 | SSP_InitTypeDef SSP_InitStructure; |
- | |
126 | // WIU_InitTypeDef WIU_InitStructure; |
146 | // WIU_InitTypeDef WIU_InitStructure; |
127 | // enable APB clock for SPI1 |
147 | // enable APB clock for SPI1 |
128 | SCU_APBPeriphClockConfig(__SSP1 ,ENABLE); |
148 | SCU_APBPeriphClockConfig(__SSP1 ,ENABLE); |
129 | // configure P5.4 -> SD-CS as an output pin |
149 | // configure P5.4 -> SD-CS as an output pin |
130 | GPIO_StructInit(&GPIO_InitStructure); |
150 | GPIO_StructInit(&GPIO_InitStructure); |
131 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
151 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
132 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
152 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
133 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
153 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
134 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
154 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
135 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
155 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
136 | GPIO_Init (GPIO5, &GPIO_InitStructure); |
156 | GPIO_Init (GPIO5, &GPIO_InitStructure); |
137 | // configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an output pin |
157 | // configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an output pin |
138 | GPIO_StructInit(&GPIO_InitStructure); |
158 | GPIO_StructInit(&GPIO_InitStructure); |
139 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
159 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
140 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
160 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
141 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
161 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
142 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
162 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
143 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; |
163 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; |
144 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
164 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
145 | // configure P3.5 <- MISO1 as an input pin |
165 | // configure P3.5 <- MISO1 as an input pin |
146 | GPIO_StructInit(&GPIO_InitStructure); |
166 | GPIO_StructInit(&GPIO_InitStructure); |
147 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
167 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
148 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
168 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
149 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
169 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
150 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
170 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
151 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
171 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
152 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
172 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
153 | // configure SPI1 |
173 | // configure SPI1 |
154 | SSP_DeInit(SSP1); |
174 | SSC_Speed(400); |
155 | SSP_StructInit(&SSP_InitStructure); |
- | |
156 | SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_Motorola; |
- | |
157 | SSP_InitStructure.SSP_Mode = SSP_Mode_Master; |
- | |
158 | SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge; |
- | |
159 | SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low; |
- | |
160 | // Set Baud Rate (Prescaler) |
- | |
161 | // bit rate is BRCLK/SSP_ClockPrescaler/(1+SSP_ClockRate)) |
- | |
162 | // With MSCLK = 48MHz/2 = BRCLK we get for the SPICLK = 24Mhz / 8 / (1+5) = 500 kHz |
- | |
163 | SSP_InitStructure.SSP_ClockRate = 5; //5 |
- | |
164 | SSP_InitStructure.SSP_ClockPrescaler = 4; //8 |
- | |
165 | SSP_Init(SSP1, &SSP_InitStructure); |
- | |
166 | SSC_Disable(); |
175 | SSC_Disable(); |
167 | SSP_Cmd(SSP1, ENABLE); |
176 | SSP_Cmd(SSP1, ENABLE); |
168 | 177 | ||
169 | // Configure SD_SWITCH at pin GPIO5.3 as an external irq 11 |
178 | // Configure SD_SWITCH at pin GPIO5.3 as an external irq 11 |
170 | 179 | ||
171 | // configure the port |
180 | // configure the port |
172 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
181 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
173 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
182 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
174 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
183 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
175 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
184 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
176 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
185 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
177 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
186 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
178 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
187 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
179 | 188 | ||
180 | /* |
189 | /* |
181 | // configure the EXT11 interrupt line (P5.3) as an IRQ with the lowest priority |
190 | // configure the EXT11 interrupt line (P5.3) as an IRQ with the lowest priority |
182 | SCU_APBPeriphClockConfig(__WIU, ENABLE); |
191 | SCU_APBPeriphClockConfig(__WIU, ENABLE); |
183 | WIU_Cmd(ENABLE); |
192 | WIU_Cmd(ENABLE); |
184 | WIU_ClearITPendingBit(WIU_Line11); |
193 | WIU_ClearITPendingBit(WIU_Line11); |
185 | //WIU_DeInit(); |
194 | //WIU_DeInit(); |
186 | WIU_InitStructure.WIU_TriggerEdge = WIU_FallingEdge; |
195 | WIU_InitStructure.WIU_TriggerEdge = WIU_FallingEdge; |
187 | WIU_InitStructure.WIU_Line = WIU_Line11; |
196 | WIU_InitStructure.WIU_Line = WIU_Line11; |
188 | WIU_Init(&WIU_InitStructure); |
197 | WIU_Init(&WIU_InitStructure); |
189 | // The EXTIT1_IRQHandler() is called every time the SD-Switch is activated (falling edge) |
198 | // The EXTIT1_IRQHandler() is called every time the SD-Switch is activated (falling edge) |
190 | // by inserting an sd-card |
199 | // by inserting an sd-card |
191 | SCU_WakeUpLineConfig(11); |
200 | SCU_WakeUpLineConfig(11); |
192 | VIC_Config(EXTIT1_ITLine, VIC_IRQ, PRIORITY_SDSWITCH); |
201 | VIC_Config(EXTIT1_ITLine, VIC_IRQ, PRIORITY_SDSWITCH); |
193 | VIC_ITCmd(EXTIT1_ITLine, ENABLE); |
202 | VIC_ITCmd(EXTIT1_ITLine, ENABLE); |
194 | */ |
203 | */ |
195 | } |
204 | } |
196 | 205 | ||
197 | void SSC_Deinit(void) |
206 | void SSC_Deinit(void) |
198 | { |
207 | { |
199 | GPIO_InitTypeDef GPIO_InitStructure; |
208 | GPIO_InitTypeDef GPIO_InitStructure; |
200 | 209 | ||
201 | SSP_Cmd(SSP1, DISABLE); |
210 | SSP_Cmd(SSP1, DISABLE); |
202 | SSP_DeInit(SSP1); |
211 | SSP_DeInit(SSP1); |
203 | 212 | ||
204 | // configure P5.4 -> SD-CS as an input pin |
213 | // configure P5.4 -> SD-CS as an input pin |
205 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
214 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
206 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
215 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
207 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
216 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
208 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
217 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
209 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
218 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
210 | GPIO_Init (GPIO5, &GPIO_InitStructure); |
219 | GPIO_Init (GPIO5, &GPIO_InitStructure); |
211 | // configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an input pin |
220 | // configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an input pin |
212 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
221 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
213 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
222 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
214 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
223 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
215 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
224 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
216 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
225 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
217 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
226 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
218 | // configure P3.5 <- MISO1 as an input pin |
227 | // configure P3.5 <- MISO1 as an input pin |
219 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
228 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
220 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
229 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
221 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
230 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
222 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
231 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
223 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
232 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
224 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
233 | GPIO_Init (GPIO3, &GPIO_InitStructure); |
225 | 234 | ||
226 | // disable APB clock for SPI1 |
235 | // disable APB clock for SPI1 |
227 | SCU_APBPeriphClockConfig(__SSP1 ,DISABLE); |
236 | SCU_APBPeriphClockConfig(__SSP1 ,DISABLE); |
228 | 237 | ||
229 | // configure the port of the SDC-Switch |
238 | // configure the port of the SDC-Switch |
230 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
239 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
231 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
240 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
232 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
241 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
233 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
242 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
234 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
243 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
235 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
244 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
236 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
245 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
237 | } |
246 | } |
238 | 247 | ||
239 | 248 | ||
240 | //________________________________________________________________________________________________________________________________________ |
249 | //________________________________________________________________________________________________________________________________________ |
241 | // Function: SSC_GetChar(void); |
250 | // Function: SSC_GetChar(void); |
242 | // |
251 | // |
243 | // Description: This function reads one byte from the SSC |
252 | // Description: This function reads one byte from the SSC |
244 | // |
253 | // |
245 | // |
254 | // |
246 | // Returnvalue: the byte received. |
255 | // Returnvalue: the byte received. |
247 | //________________________________________________________________________________________________________________________________________ |
256 | //________________________________________________________________________________________________________________________________________ |
248 | 257 | ||
249 | u8 SSC_GetChar (void) |
258 | u8 SSC_GetChar (void) |
250 | { |
259 | { |
251 | u8 Byte = 0; |
260 | u8 Byte = 0; |
252 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); // wait for space in the tx fifo |
261 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); // wait for space in the tx fifo |
253 | SSP_SendData(SSP1, 0xFF);// send dymmy byte (0xFF) as master to receive a byte from the slave |
262 | SSP_SendData(SSP1, 0xFF);// send dymmy byte (0xFF) as master to receive a byte from the slave |
254 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); // wait for the byte to be sent |
263 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); // wait for the byte to be sent |
255 | Byte = SSP_ReceiveData(SSP1); // read the byte transmitted from the slave |
264 | Byte = SSP_ReceiveData(SSP1); // read the byte transmitted from the slave |
256 | return (Byte); |
265 | return (Byte); |
257 | } |
266 | } |
258 | 267 | ||
259 | //________________________________________________________________________________________________________________________________________ |
268 | //________________________________________________________________________________________________________________________________________ |
260 | void SSC_ClearRxFifo (void) |
269 | void SSC_ClearRxFifo (void) |
261 | { |
270 | { |
262 | // wait that the tx fifo is empty |
271 | // wait that the tx fifo is empty |
263 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); |
272 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); |
264 | // then empty the rx fifo by reading all the bytes that are available |
273 | // then empty the rx fifo by reading all the bytes that are available |
265 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_RxFifoNotEmpty) == SET) SSP_ReceiveData(SSP1); |
274 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_RxFifoNotEmpty) == SET) SSP_ReceiveData(SSP1); |
266 | } |
275 | } |
267 | //________________________________________________________________________________________________________________________________________ |
276 | //________________________________________________________________________________________________________________________________________ |
268 | // Function: SSC_PutChar(u8 Byte); |
277 | // Function: SSC_PutChar(u8 Byte); |
269 | // |
278 | // |
270 | // Description: This function writes one byte to the SSC |
279 | // Description: This function writes one byte to the SSC |
271 | // |
280 | // |
272 | // |
281 | // |
273 | // Returnvalue: none |
282 | // Returnvalue: none |
274 | //________________________________________________________________________________________________________________________________________ |
283 | //________________________________________________________________________________________________________________________________________ |
275 | 284 | ||
276 | void SSC_PutChar (u8 Byte) |
285 | void SSC_PutChar (u8 Byte) |
277 | { |
286 | { |
278 | // wait for some space in the tx fifo |
287 | // wait for some space in the tx fifo |
279 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); |
288 | while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); |
280 | // put the byte to send in the tx fifo |
289 | // put the byte to send in the tx fifo |
281 | SSP_SendData(SSP1, Byte); |
290 | SSP_SendData(SSP1, Byte); |
282 | } |
291 | } |
283 | 292 | ||
284 | 293 | ||
285 | 294 | ||
286 | 295 | ||
287 | 296 | ||
288 | 297 | ||
289 | 298 | ||
290 | 299 | ||
291 | 300 |