spi cs config update to match with arduino requirement
diff --git a/verilog/rtl/pinmux/src/pinmux.sv b/verilog/rtl/pinmux/src/pinmux.sv
index b9949c5..2f1ba44 100755
--- a/verilog/rtl/pinmux/src/pinmux.sv
+++ b/verilog/rtl/pinmux/src/pinmux.sv
@@ -37,6 +37,11 @@
//// 0.2 - 6 April 2021, Dinesh A ////
//// 1. SSPI CS# increased from 1 to 4 ////
// 2. UART I/F increase from 1 to 2 ////
+//// 0.3 - 8 July 2022, Dinesh A ////
+//// In ardunio, SPI chip select are control through ////
+//// GPIO, So we have moved the Auto generated SPI CS ////
+//// different config bit. I2C config position moved from////
+//// bit[14] to bit [15] ////
//////////////////////////////////////////////////////////////////////
module pinmux (
@@ -548,8 +553,9 @@
assign cfg_pwm_enb = cfg_multi_func_sel[5:0];
wire [1:0] cfg_int_enb = cfg_multi_func_sel[7:6];
wire [1:0] cfg_uart_enb = cfg_multi_func_sel[9:8];
-wire [3:0] cfg_spim_enb = cfg_multi_func_sel[13:10];
-wire cfg_i2cm_enb = cfg_multi_func_sel[14];
+wire cfg_spim_enb = cfg_multi_func_sel[10];
+wire [3:0] cfg_spim_cs_enb = cfg_multi_func_sel[14:11];
+wire cfg_i2cm_enb = cfg_multi_func_sel[15];
wire [7:0] cfg_port_a_dir_sel = cfg_gpio_dir_sel[7:0];
wire [7:0] cfg_port_b_dir_sel = cfg_gpio_dir_sel[15:8];
@@ -618,7 +624,7 @@
//Pin-17 PB3/MOSI/OC2A(PWM5) digital_io[14]
port_b_in[3] = digital_io_in[14];
- if(cfg_spim_enb[0]) spim_mosi = digital_io_in[14];
+ if(cfg_spim_enb) spim_mosi = digital_io_in[14];
//Pin-18 PB4/MISO digital_io[15]
port_b_in[4] = digital_io_in[15];
@@ -692,12 +698,12 @@
//Pin-11 PD5/SS[3]/OC0B(PWM1)/T1 digital_io[8]
if(cfg_pwm_enb[1]) digital_io_out[8] = pwm_wfm[1];
- else if(cfg_spim_enb[3]) digital_io_out[8] = spim_ssn[3];
+ else if(cfg_spim_cs_enb[3]) digital_io_out[8] = spim_ssn[3];
else if(cfg_port_d_dir_sel[5]) digital_io_out[8] = port_d_out[5];
//Pin-12 PD6/SS[2]/OC0A(PWM2)/AIN0 digital_io[9] /analog_io[2]
if(cfg_pwm_enb[2]) digital_io_out[9] = pwm_wfm[2];
- else if(cfg_spim_enb[2]) digital_io_out[9] = spim_ssn[2];
+ else if(cfg_spim_cs_enb[2]) digital_io_out[9] = spim_ssn[2];
else if(cfg_port_d_dir_sel[6]) digital_io_out[9] = port_d_out[6];
@@ -709,12 +715,12 @@
//Pin-15 PB1/SS[1]/OC1A(PWM3) digital_io[12]
if(cfg_pwm_enb[3]) digital_io_out[12] = pwm_wfm[3];
- else if(cfg_spim_enb[1]) digital_io_out[12] = spim_ssn[1];
+ else if(cfg_spim_cs_enb[1]) digital_io_out[12] = spim_ssn[1];
else if(cfg_port_b_dir_sel[1]) digital_io_out[12] = port_b_out[1];
//Pin-16 PB2/SS[0]/OC1B(PWM4) digital_io[13]
if(cfg_pwm_enb[4]) digital_io_out[13] = pwm_wfm[4];
- else if(cfg_spim_enb[0]) digital_io_out[13] = spim_ssn[0];
+ else if(cfg_spim_cs_enb[0]) digital_io_out[13] = spim_ssn[0];
else if(cfg_port_b_dir_sel[2]) digital_io_out[13] = port_b_out[2];
//Pin-17 PB3/MOSI/OC2A(PWM5) digital_io[14]
@@ -722,11 +728,11 @@
else if(cfg_port_b_dir_sel[3]) digital_io_out[14] = port_b_out[3];
//Pin-18 PB4/MISO digital_io[15]
- if(cfg_spim_enb[0]) digital_io_out[15] = spim_miso;
+ if(cfg_spim_enb) digital_io_out[15] = spim_miso;
else if(cfg_port_b_dir_sel[4]) digital_io_out[15] = port_b_out[4];
//Pin-19 PB5/SCK digital_io[16]
- if(cfg_spim_enb[0]) digital_io_out[16] = spim_sck;
+ if(cfg_spim_enb) digital_io_out[16] = spim_sck;
else if(cfg_port_b_dir_sel[5]) digital_io_out[16] = port_b_out[5];
//Pin-23 PC0/ADC0 digital_io[18]/analog_io[11]
@@ -808,12 +814,12 @@
//Pin-11 PD5/SS[3]/OC0B(PWM1)/T1 digital_io[8]
if(cfg_pwm_enb[1]) digital_io_oen[8] = 1'b0;
- else if(cfg_spim_enb[3]) digital_io_oen[8] = 1'b0;
+ else if(cfg_spim_cs_enb[3]) digital_io_oen[8] = 1'b0;
else if(cfg_port_d_dir_sel[5]) digital_io_oen[8] = 1'b0;
//Pin-12 PD6/SS[2]/OC0A(PWM2)/AIN0 digital_io[9] /analog_io[2]
if(cfg_pwm_enb[2]) digital_io_oen[9] = 1'b0;
- else if(cfg_spim_enb[2]) digital_io_oen[9] = 1'b0;
+ else if(cfg_spim_cs_enb[2]) digital_io_oen[9] = 1'b0;
else if(cfg_port_d_dir_sel[6]) digital_io_oen[9] = 1'b0;
//Pin-13 PD7/A1N1 digital_io[10]/analog_io[3]
@@ -824,25 +830,25 @@
//Pin-15 PB1/SS[1]/OC1A(PWM3) digital_io[12]
if(cfg_pwm_enb[3]) digital_io_oen[12] = 1'b0;
- else if(cfg_spim_enb[1]) digital_io_oen[12] = 1'b0;
+ else if(cfg_spim_cs_enb[1]) digital_io_oen[12] = 1'b0;
else if(cfg_port_b_dir_sel[1]) digital_io_oen[12] = 1'b0;
//Pin-16 PB2/SS[0]/OC1B(PWM4) digital_io[13]
if(cfg_pwm_enb[4]) digital_io_oen[13] = 1'b0;
- else if(cfg_spim_enb[0]) digital_io_oen[13] = 1'b0;
+ else if(cfg_spim_cs_enb[0]) digital_io_oen[13] = 1'b0;
else if(cfg_port_b_dir_sel[2]) digital_io_oen[13] = 1'b0;
//Pin-17 PB3/MOSI/OC2A(PWM5) digital_io[14]
- if(cfg_spim_enb[0]) digital_io_oen[14] = 1'b1;
+ if(cfg_spim_enb) digital_io_oen[14] = 1'b1;
else if(cfg_pwm_enb[5]) digital_io_oen[14] = 1'b0;
else if(cfg_port_b_dir_sel[3]) digital_io_oen[14] = 1'b0;
//Pin-18 PB4/MISO digital_io[15]
- if(cfg_spim_enb[0]) digital_io_oen[15] = 1'b0;
+ if(cfg_spim_enb) digital_io_oen[15] = 1'b0;
else if(cfg_port_b_dir_sel[4]) digital_io_oen[15] = 1'b0;
//Pin-19 PB5/SCK digital_io[16]
- if(cfg_spim_enb[0]) digital_io_oen[16] = 1'b0;
+ if(cfg_spim_enb) digital_io_oen[16] = 1'b0;
else if(cfg_port_b_dir_sel[5]) digital_io_oen[16] = 1'b0;
//Pin-23 PC0/ADC0 digital_io[18]/analog_io[11]
