This program reads the voltages on the board to ensure they are operating correctly and it implements a USB MSD card reader to verify USB and microSD connectivity.
Dependencies: USBDevice SDFileSystem max32630fthr mbed
Fork of FTHR_USBMSD_Demo by
main.cpp
- Committer:
- switches
- Date:
- 2017-02-03
- Revision:
- 8:4bb2ec578490
- Parent:
- 7:62efbc5411c8
File content as of revision 8:4bb2ec578490:
#include "mbed.h" #include "max32630fthr.h" #include "SDFileSystem.h" #include "USBKeyboard.h" MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); // Hardware serial port over DAPLink Serial daplink(P2_1, P2_0); DigitalOut rLED(LED1, LED_ON); DigitalOut gLED(LED2, LED_OFF); DigitalOut bLED(LED3, LED_OFF); DigitalIn button(SW1, PullUp); AnalogIn monIn(AIN_0); AnalogIn vddbIn(AIN_6); AnalogIn vdd18In(AIN_7); AnalogIn vdd12In(AIN_8); AnalogIn vrtcIn(AIN_9); SDFileSystem sd(P0_5, P0_6, P0_4, P0_7, "sd"); // mosi, miso, sclk, cs USBKeyboard keyboard; #define BMI160_I2C_ADDR 0xD0 // Function to report failure void testFailed() { daplink.printf("\r\n! Test Failed !\r\n"); rLED = LED_ON; gLED = LED_OFF; bLED = LED_OFF; while(1) { wait_ms(500); gLED = !gLED; } } // Function to read monitor port float readMon(MAX14690::monCfg_t monCfg) { pegasus.max14690.monSet(monCfg, MAX14690::MON_DIV4); wait_ms(5); return (4.8f * monIn); } // main() runs in its own thread in the OS // (note the calls to Thread::wait below for delays) int main() { float aIn; char dataBuf[2]; int ledCnt = 0; daplink.printf("Initializing MAX32630FTHR\r\n"); // pegasus.init(MAX32630FTHR::VIO_3V3); daplink.printf("Checking Supplies\r\n"); aIn = 2.4f * vdd12In; daplink.printf("vdd12 = %f\r\n", aIn); if ((aIn < 1.0f) || (aIn > 1.4f)) { testFailed(); } aIn = 2.4f * vdd18In; daplink.printf("vdd18 = %f\r\n", aIn); if ((aIn < 1.6f) || (aIn > 2.0f)) { testFailed(); } aIn = 4.8f * vddbIn; daplink.printf("vddb = %f\r\n", aIn); if ((aIn < 3.0f) || (aIn > 3.6f)) { testFailed(); } aIn = 2.4f * vrtcIn; daplink.printf("vrtc = %f\r\n", aIn); if ((aIn < 1.6f) || (aIn > 2.0f)) { testFailed(); } aIn = readMon(MAX14690::MON_SYS); daplink.printf("sys = %f\r\n", aIn); if ((aIn < 3.0f) || (aIn > 5.0f)) { testFailed(); } aIn = readMon(MAX14690::MON_BUCK1); daplink.printf("buck1 = %f\r\n", aIn); if ((aIn < 1.0f) || (aIn > 1.4f)) { testFailed(); } aIn = readMon(MAX14690::MON_BUCK2); daplink.printf("buck2 = %f\r\n", aIn); if ((aIn < 1.6f) || (aIn > 2.0f)) { testFailed(); } aIn = readMon(MAX14690::MON_LDO1); daplink.printf("ldo1 = %f\r\n", aIn); if ((aIn < 1.6f) || (aIn > 2.0f)) { testFailed(); } aIn = readMon(MAX14690::MON_LDO2); daplink.printf("ldo2 = %f\r\n", aIn); if ((aIn < 3.0f) || (aIn > 3.6f)) { testFailed(); } aIn = readMon(MAX14690::MON_LDO3); daplink.printf("ldo3 = %f\r\n", aIn); aIn = readMon(MAX14690::MON_LDO3); bLED = LED_ON; daplink.printf("Checking micro SD Card\r\n"); FILE *fp = fopen("/sd/myfile.txt", "r"); if(fp == NULL) { daplink.printf("Unable to open 'myfile.txt'\r\n"); testFailed(); } daplink.printf("micro SD Card present\r\n"); rLED = LED_OFF; daplink.printf("Checking BMI160\r\n"); dataBuf[0] = 0x00; if (pegasus.i2c.write(BMI160_I2C_ADDR, dataBuf, 1, 1) != 0) testFailed(); if (pegasus.i2c.read(BMI160_I2C_ADDR, dataBuf, 1) != 0) testFailed(); if (dataBuf[0] != 0xD1) testFailed(); daplink.printf("BMI160 present\r\n"); gLED = LED_ON; daplink.printf("Self Test Passed\r\n"); rLED = LED_ON; gLED = LED_ON; bLED = LED_ON; while (true) { if (!button) { keyboard.mediaControl(KEY_MUTE); ledCnt++; gLED = (ledCnt & 1); bLED = (ledCnt & 2); rLED = gLED ^ bLED; wait_ms(500); } else { wait_ms(50); } } }