#ifndef AD9257_H #define AD9257_H #include "ansi.h" #include "commonServerFunctions.h" #include /* AD9257 ADC DEFINES */ #define AD9257_ADC_NUMBITS (24) #define AD9257_DEV_IND_2_REG (0x04) #define AD9257_CHAN_H_OFST (0) #define AD9257_CHAN_H_MSK (0x00000001 << AD9257_CHAN_H_OFST) #define AD9257_CHAN_G_OFST (1) #define AD9257_CHAN_G_MSK (0x00000001 << AD9257_CHAN_G_OFST) #define AD9257_CHAN_F_OFST (2) #define AD9257_CHAN_F_MSK (0x00000001 << AD9257_CHAN_F_OFST) #define AD9257_CHAN_E_OFST (3) #define AD9257_CHAN_E_MSK (0x00000001 << AD9257_CHAN_E_OFST) #define AD9257_DEV_IND_1_REG (0x05) #define AD9257_CHAN_D_OFST (0) #define AD9257_CHAN_D_MSK (0x00000001 << AD9257_CHAN_D_OFST) #define AD9257_CHAN_C_OFST (1) #define AD9257_CHAN_C_MSK (0x00000001 << AD9257_CHAN_C_OFST) #define AD9257_CHAN_B_OFST (2) #define AD9257_CHAN_B_MSK (0x00000001 << AD9257_CHAN_B_OFST) #define AD9257_CHAN_A_OFST (3) #define AD9257_CHAN_A_MSK (0x00000001 << AD9257_CHAN_A_OFST) #define AD9257_CLK_CH_DCO_OFST (4) #define AD9257_CLK_CH_DCO_MSK (0x00000001 << AD9257_CLK_CH_DCO_OFST) #define AD9257_CLK_CH_IFCO_OFST (5) #define AD9257_CLK_CH_IFCO_MSK (0x00000001 << AD9257_CLK_CH_IFCO_OFST) #define AD9257_POWER_MODE_REG (0x08) #define AD9257_POWER_INTERNAL_OFST (0) #define AD9257_POWER_INTERNAL_MSK (0x00000003 << AD9257_POWER_INTERNAL_OFST) #define AD9257_INT_RESET_VAL (0x3) #define AD9257_INT_CHIP_RUN_VAL (0x0) #define AD9257_POWER_EXTERNAL_OFST (5) #define AD9257_POWER_EXTERNAL_MSK (0x00000001 << AD9257_POWER_EXTERNAL_OFST) #define AD9257_EXT_FULL_POWER_VAL (0x0) #define AD9257_EXT_STANDBY_VAL (0x1) #define AD9257_OUT_MODE_REG (0x14) #define AD9257_OUT_FORMAT_OFST (0) #define AD9257_OUT_FORMAT_MSK (0x00000001 << AD9257_OUT_FORMAT_OFST) #define AD9257_OUT_BINARY_OFST_VAL (0) #define AD9257_OUT_TWOS_COMPL_VAL (1) #define AD9257_OUT_LVDS_OPT_OFST (6) #define AD9257_OUT_LVDS_OPT_MSK (0x00000001 << AD9257_OUT_LVDS_OPT_OFST) #define AD9257_OUT_LVDS_ANSI_VAL (0) #define AD9257_OUT_LVDS_IEEE_VAL (1) #define AD9257_OUT_PHASE_REG (0x16) #define AD9257_OUT_CLK_OFST (0) #define AD9257_OUT_CLK_MSK (0x0000000F << AD9257_OUT_CLK_OFST) #define AD9257_OUT_CLK_60_VAL (0x1) #define AD9257_IN_CLK_OFST (4) #define AD9257_IN_CLK_MSK (0x00000007 << AD9257_IN_CLK_OFST) #define AD9257_IN_CLK_0_VAL (0x0) #define AD9257_VREF_REG (0x18) #define AD9257_VREF_OFST (0) #define AD9257_VREF_MSK (0x00000003 << AD9257_VREF_OFST) #define AD9257_VREF_1_33_VAL (0x2) #define AD9257_TEST_MODE_REG (0x0D) #define AD9257_OUT_TEST_OFST (0) #define AD9257_OUT_TEST_MSK (0x0000000F << AD9257_OUT_TEST_OFST) #define AD9257_NONE_VAL (0x0) #define AD9257_MIXED_BIT_FREQ_VAL (0xC) #define AD9257_TEST_RESET_SHORT_GEN (4) #define AD9257_TEST_RESET_LONG_GEN (5) #define AD9257_USER_IN_MODE_OFST (6) #define AD9257_USER_IN_MODE_MSK (0x00000003 << AD9257_USER_IN_MODE_OFST) void setAdc(int addr, int val) { u_int32_t codata; codata = val + (addr << 8); printf(" Setting ADC SPI Register. Wrote 0x%04x at 0x%04x\n", val, addr); serializeToSPI(ADC_SPI_REG, codata, ADC_SERIAL_CS_OUT_MSK, AD9257_ADC_NUMBITS, ADC_SERIAL_CLK_OUT_MSK, ADC_SERIAL_DATA_OUT_MSK, ADC_SERIAL_DATA_OUT_OFST); } void prepareADC(){ printf("\n\nPreparing ADC ... \n"); //power mode reset printf("power mode reset:\n"); setAdc(AD9257_POWER_MODE_REG, (AD9257_INT_RESET_VAL << AD9257_POWER_INTERNAL_OFST) & AD9257_POWER_INTERNAL_MSK); //power mode chip run printf("power mode chip run:\n"); setAdc(AD9257_POWER_MODE_REG, (AD9257_INT_CHIP_RUN_VAL << AD9257_POWER_INTERNAL_OFST) & AD9257_POWER_INTERNAL_MSK); //output clock phase printf("output clock phase:\n"); setAdc(AD9257_OUT_PHASE_REG, (AD9257_OUT_CLK_60_VAL << AD9257_OUT_CLK_OFST) & AD9257_OUT_CLK_MSK); // lvds-iee reduced , binary offset printf("lvds-iee reduced, binary offset:\n"); setAdc(AD9257_OUT_MODE_REG, (AD9257_OUT_LVDS_IEEE_VAL << AD9257_OUT_LVDS_OPT_OFST) & AD9257_OUT_LVDS_OPT_MSK); // all devices on chip to receive next command printf("all devices on chip to receive next command:\n"); setAdc(AD9257_DEV_IND_2_REG, AD9257_CHAN_H_MSK | AD9257_CHAN_G_MSK | AD9257_CHAN_F_MSK | AD9257_CHAN_E_MSK); setAdc(AD9257_DEV_IND_1_REG, AD9257_CHAN_D_MSK | AD9257_CHAN_C_MSK | AD9257_CHAN_B_MSK | AD9257_CHAN_A_MSK | AD9257_CLK_CH_DCO_MSK | AD9257_CLK_CH_IFCO_MSK); // vref 1.33 printf("vref 1.33:\n"); setAdc(AD9257_VREF_REG, (AD9257_VREF_1_33_VAL << AD9257_VREF_OFST) & AD9257_VREF_MSK); // no test mode printf("no test mode:\n"); setAdc(AD9257_TEST_MODE_REG, (AD9257_NONE_VAL << AD9257_OUT_TEST_OFST) & AD9257_OUT_TEST_MSK); #ifdef TESTADC printf("***************************************** *******\n"); printf("******* PUTTING ADC IN TEST MODE!!!!!!!!! *******\n"); printf("***************************************** *******\n"); // mixed bit frequency test mode printf("mixed bit frequency test mode:\n"); setAdc(AD9257_TEST_MODE_REG, (AD9257_MIXED_BIT_FREQ_VAL << AD9257_OUT_TEST_OFST) & AD9257_OUT_TEST_MSK); #endif } #endif //AD9257_H