max32630hsp.cpp

00001 /*******************************************************************************
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00033 
00034 #include "mbed.h"
00035 #include "max3263x.h"
00036 #include "ioman_regs.h"
00037 #include "PinNames.h"
00038 #include "max32630hsp.h"
00039 
00040 
00041 //******************************************************************************
00042 MAX32630HSP::MAX32630HSP() : i2c(P5_7, P6_0), max20303(&i2c)
00043 {
00044 }
00045 
00046 //******************************************************************************
00047 MAX32630HSP::MAX32630HSP(vio_t vio) : i2c(P5_7, P6_0), max20303(&i2c)
00048 {
00049 
00050     init(vio);
00051 }
00052 
00053 //******************************************************************************
00054 MAX32630HSP::MAX32630HSP(vio_t vio, InterruptIn *max32630hsp3_powerButtonInterrupt) : i2c(P5_7, P6_0), max20303(&i2c), m_max32630hsp3_powerButtonInterrupt(max32630hsp3_powerButtonInterrupt)
00055 {
00056     init(vio);
00057 
00058     m_max32630hsp3_powerButtonInterrupt->disable_irq();
00059     m_max32630hsp3_powerButtonInterrupt->rise(this, &MAX32630HSP::event_powerButtonReleased);
00060     m_max32630hsp3_powerButtonInterrupt->mode(PullUp);
00061     m_max32630hsp3_powerButtonInterrupt->enable_irq();
00062 }
00063 
00064 
00065 //******************************************************************************
00066 MAX32630HSP::~MAX32630HSP()
00067 {
00068 
00069 }
00070 
00071 
00072 //******************************************************************************
00073 int MAX32630HSP::init(vio_t hdrVio)
00074 {
00075     /* Wait for pmic to settle down */
00076     wait_ms(800);
00077 
00078 
00079 
00080     /*Set LDO1 to 1.8v*/
00081     max20303.LDO1Config();
00082 
00083     /*Set LDO2 to 3v*/
00084     max20303.LDO2Config();
00085 
00086     //max20303.BoostEnable();
00087     max20303.BuckBoostEnable();
00088 
00089 
00090     max20303.led0on(0);
00091     max20303.led1on(0);
00092     max20303.led2on(0);
00093 
00094     /* Wait for pmic to settle down */
00095     wait_ms(200);
00096 
00097     // Set LED pins to 3.3V
00098     vddioh(P2_4, VIO_3V3);
00099     vddioh(P2_5, VIO_3V3);
00100     vddioh(P2_6, VIO_3V3);
00101 
00102     // set i2c pins to 1.8V
00103     vddioh(P3_4, VIO_1V8);
00104     vddioh(P3_5, VIO_1V8);
00105     //ble module pins to 1.8V
00106     vddioh(P0_0, VIO_1V8);
00107     vddioh(P0_1, VIO_1V8);
00108     vddioh(P0_2, VIO_1V8);
00109     vddioh(P0_3, VIO_1V8);
00110 
00111     // Set header pins to hdrVio
00112     vddioh(P3_0, hdrVio);
00113     vddioh(P3_1, hdrVio);
00114     vddioh(P3_2, hdrVio);
00115     vddioh(P3_3, hdrVio);
00116     vddioh(P4_0, hdrVio);
00117     vddioh(P4_1, hdrVio);
00118     vddioh(P4_2, hdrVio);
00119     vddioh(P4_3, hdrVio);
00120     vddioh(P4_4, hdrVio);
00121     vddioh(P4_5, hdrVio);
00122     vddioh(P4_6, hdrVio);
00123     vddioh(P4_7, hdrVio);
00124     vddioh(P5_0, hdrVio);
00125     vddioh(P5_1, hdrVio);
00126     vddioh(P5_2, hdrVio);
00127     vddioh(P5_3, hdrVio);
00128     vddioh(P5_4, hdrVio);
00129     vddioh(P5_5, hdrVio);
00130     vddioh(P5_6, hdrVio);
00131 
00132 
00133     button_longpressdetected = false;
00134 
00135     return 0;
00136 }
00137 
00138 
00139 void MAX32630HSP::event_powerButtonPressed(void) {
00140 
00141     max20303.led0on(0);
00142     max20303.led1on(0);
00143     max20303.led2on(1);
00144 
00145     /* Button press detected. Wait for button release */
00146     m_max32630hsp3_powerButtonInterrupt->disable_irq();
00147     m_max32630hsp3_powerButtonInterrupt->rise(this, &MAX32630HSP::event_powerButtonReleased);
00148     m_max32630hsp3_powerButtonInterrupt->mode(PullUp);
00149     m_max32630hsp3_powerButtonInterrupt->enable_irq();
00150 
00151     /* Button press detected. Start Timeout object for checking long key press event */
00152     button_timeout.attach( this, &MAX32630HSP::event_longpresscheck , 2.0 );
00153 
00154     /* Button is pressed */
00155     button_status = true;
00156 }
00157 
00158 //******************************************************************************
00159 void MAX32630HSP::event_powerButtonReleased(void) {
00160 
00161 
00162     if ( button_longpressdetected ) {
00163 
00164         /* Power of the PMIC if long key press is detected */
00165         max20303.PowerOffDelaythePMIC();
00166 
00167     }
00168     else {
00169 
00170         /* Button released before a long key press is detected */
00171         button_status = false;
00172 
00173     }
00174 
00175     /* Button is released. Stop timeout object */
00176     button_timeout.detach();
00177 
00178     max20303.led0on(0);
00179     max20303.led1on(0);
00180     max20303.led2on(0);
00181 
00182     /* Button is released. Expect for button press event next time */
00183     m_max32630hsp3_powerButtonInterrupt->disable_irq();
00184     m_max32630hsp3_powerButtonInterrupt->fall(this, &MAX32630HSP::event_powerButtonPressed);
00185     m_max32630hsp3_powerButtonInterrupt->mode(PullUp);
00186     m_max32630hsp3_powerButtonInterrupt->enable_irq();
00187 
00188 
00189 }
00190 
00191 void MAX32630HSP::event_longpresscheck(void) {
00192 
00193     /* This is the callback for timeout object to detect long key press for power down */
00194 
00195     if ( button_status == 1 ) {
00196 
00197         /* If button_status is still 1 when timeout is triggered, it will be interpreted as a long key press */
00198         button_longpressdetected = true;
00199 
00200         /* The PMIC will be powered of when the button is released */
00201         max20303.led0on(0);
00202         max20303.led1on(1);
00203         max20303.led2on(0);
00204     }
00205 
00206 }
00207 
00208 void MAX32630HSP::enableDisplay(void)
00209 {
00210     vddioh(P6_4, VIO_3V3); //EXTCOM
00211     vddioh(P6_1, VIO_3V3); //SCLK
00212     vddioh(P6_2, VIO_3V3); //MOSI1
00213     vddioh(P6_5, VIO_3V3); //SCS
00214     vddioh(P6_4, VIO_3V3); //EXTCOM
00215     vddioh(P6_6, VIO_3V3); //DISP
00216 }
00217 
00218 //******************************************************************************
00219 int MAX32630HSP::vddioh(PinName pin, vio_t vio)
00220 {
00221     __IO uint32_t *use_vddioh = &((mxc_ioman_regs_t *)MXC_IOMAN)->use_vddioh_0;
00222 
00223     if (pin == NOT_CONNECTED) {
00224         return -1;
00225     }
00226 
00227     use_vddioh += PINNAME_TO_PORT(pin) >> 2;
00228     if (vio) {
00229         *use_vddioh |= (1 << (PINNAME_TO_PIN(pin) + ((PINNAME_TO_PORT(pin) & 0x3) << 3)));
00230     } else {
00231         *use_vddioh &= ~(1 << (PINNAME_TO_PIN(pin) + ((PINNAME_TO_PORT(pin) & 0x3) << 3)));
00232     }
00233 
00234     return 0;
00235 }