added i2c for same54n19a

software/firmware/oracle_same54n19a/config/hpl_sercom_config.h

@@ -289,7 +289,7 @@
 // <i> I2C Bus clock (SCL) speed measured in Hz
 // <id> i2c_master_baud_rate
 #ifndef CONF_SERCOM_3_I2CM_BAUD
-#define CONF_SERCOM_3_I2CM_BAUD 100000
+#define CONF_SERCOM_3_I2CM_BAUD 400000
 #endif
 
 // </h>

software/firmware/oracle_same54n19a/gcc/.gdb_history

@@ -2,14 +2,6 @@ mon s
 mon s
 mon s
 mon s
-mon s
-mon s
-mon s
-mon s
-mon s
-mon s
-mon s
-mon s
 q
 target extended-remote /dev/ttyBmpGdb
 mon s
@@ -254,3 +246,11 @@ n
 n
 s
 q
+tar ext /dev/ttyGdbBmp
+tar ext /dev/ttyBmpGdb
+mon s
+att 1
+load
+r
+qq
+q

software/firmware/oracle_same54n19a/gcc/gdb.txt

@@ -1444,3 +1444,164 @@ Breakpoint 1, main () at ../main.c:7
 ### Variables ##################################################################
 ################################################################################
 [Inferior 1 (Remote target) detached]
+../scripts/push.gdb:6: Error in sourced command file:
+Attaching to Remote target failed
+quit
+0x0000ef92 in _lv_ll_get_next (ll_p=ll_p@entry=0x200035f0 <_lv_task_ll>, n_act=0x20004028 <work_mem_int+2212>) at ../shared/thirdparty/lvgl/src/lv_misc/lv_ll.c:302
+302	        _lv_memcpy_small(&next, n_act_d + LL_NEXT_P_OFFSET(ll_p), sizeof(void *));
+### Assembly ###################################################################
+ 0x0000ef88  _lv_ll_get_next+0  push    {r0, r1, r2, lr}
+ 0x0000ef8a  _lv_ll_get_next+2  movs    r3, #0
+ 0x0000ef8c  _lv_ll_get_next+4  str    r3, [sp, #4]
+ 0x0000ef8e  _lv_ll_get_next+6  cbz    r0, 0xef9c <_lv_ll_get_next+20>
+ 0x0000ef90  _lv_ll_get_next+8  ldr    r3, [r0, #0]
+ 0x0000ef92  _lv_ll_get_next+10 adds    r3, #4
+ 0x0000ef94  _lv_ll_get_next+12 add    r1, r3
+ 0x0000ef96  _lv_ll_get_next+14 add    r0, sp, #4
+ 0x0000ef98  _lv_ll_get_next+16 ldr    r3, [pc, #8]    ; (0xefa4 <_lv_ll_get_next+28>)
+ 0x0000ef9a  _lv_ll_get_next+18 blx    r3
+### Breakpoints ################################################################
+### Expressions ################################################################
+### History ####################################################################
+### Memory #####################################################################
+### Registers ##################################################################
+        r0 0x200035f0          r8 0x0000e31d             xpsr 0x61010000
+        r1 0x20004028          r9 0x0000ef7d            fpscr 0x00000000
+        r2 0x00000000         r10 0x200035f0              msp 0x200117e0
+        r3 0x00000018         r11 0x200057a4              psp 0xfdff277c
+        r4 0x00000000         r12 0x00000004          primask 0x00      
+        r5 0x20003660          sp 0x200117e0          basepri 0x00      
+        r6 0x200035f0          lr 0x0001032f        faultmask 0x00      
+        r7 0x00010281          pc 0x0000ef92          control 0x04      
+### Source #####################################################################
+ 292   * @param ll_p pointer to linked list
+ 293   * @param n_act pointer a node
+ 294   * @return pointer to the next node
+ 295   */
+ 296  void * _lv_ll_get_next(const lv_ll_t * ll_p, const void * n_act)
+ 297  {
+ 298      void * next = NULL;
+ 299  
+ 300      if(ll_p != NULL) {
+ 301          const lv_ll_node_t * n_act_d = n_act;
+ 302          _lv_memcpy_small(&next, n_act_d + LL_NEXT_P_OFFSET(ll_p), sizeof(void *));
+ 303      }
+ 304  
+ 305      return next;
+ 306  }
+ 307  
+ 308  /**
+ 309   * Return with the pointer of the previous node after 'n_act'
+ 310   * @param ll_p pointer to linked list
+ 311   * @param n_act pointer a node
+### Stack ######################################################################
+[0] from 0x0000ef92 in _lv_ll_get_next+10 at ../shared/thirdparty/lvgl/src/lv_misc/lv_ll.c:302
+[1] from 0x0001032e in lv_task_handler+82 at ../shared/thirdparty/lvgl/src/lv_misc/lv_task.c:107
+[2] from 0x00001d28 in p_screen_service+4 at ../shared/devices/p_screen.c:43
+[3] from 0x00000fec in oracle_service+4 at ../oracle.c:35
+[4] from 0x00000fa2 in main+14 at ../main.c:12
+### Threads ####################################################################
+[1] id -1 from 0x0000ef92 in _lv_ll_get_next+10 at ../shared/thirdparty/lvgl/src/lv_misc/lv_ll.c:302
+### Variables ##################################################################
+arg ll_p = 0x200035f0 <_lv_task_ll>: {n_size = 24,head = 0x20004028 <work_mem_int+2212> "\036",tail = …, n_act = 0x20004028 <work_mem_int+2212>
+loc n_act_d = 0x20004028 <work_mem_int+2212> "\036": 30 '\036', next = 0x0 <io_read>
+################################################################################
+A program is being debugged already.  Kill it? (y or n) [answered Y; input not from terminal]
+0x000175ea in memset ()
+### Assembly ###################################################################
+ 0x000175ea  ? strd    r5, r5, [r2, #-8]
+ 0x000175ee  ? adds    r2, #16
+ 0x000175f0  ? cmp    r2, lr
+ 0x000175f2  ? bne.n    0x175e6 <memset+70>
+ 0x000175f4  ? add.w    r2, r12, #1
+ 0x000175f8  ? tst.w    r4, #12
+ 0x000175fc  ? add.w    r2, r3, r2, lsl #4
+ 0x00017600  ? and.w    r12, r4, #15
+ 0x00017604  ? beq.n    0x1762e <memset+142>
+ 0x00017606  ? sub.w    r3, r12, #4
+### Breakpoints ################################################################
+### Expressions ################################################################
+### History ####################################################################
+### Memory #####################################################################
+### Registers ##################################################################
+        r0 0x20000a04          r8 0x0000e31d             xpsr 0x81000000
+        r1 0x00000000          r9 0x0000ef7d            fpscr 0x00000000
+        r2 0x200027e4         r10 0x200035f0              msp 0x20011814
+        r3 0x20000a04         r11 0x200057a4              psp 0xfdff277c
+        r4 0x00004e24         r12 0x000004e1          primask 0x00      
+        r5 0x00000000          sp 0x20011814          basepri 0x00      
+        r6 0x200035f0          lr 0x20005834        faultmask 0x00      
+        r7 0x00010281          pc 0x000175ea          control 0x00      
+### Source #####################################################################
+### Stack ######################################################################
+[0] from 0x000175ea in memset
+[1] from 0x00000f3e in Reset_Handler+58 at ../gcc/gcc/startup_same54.c:646
+[2] from 0xfffffffe
+### Threads ####################################################################
+[1] id 0 from 0x000175ea in memset
+### Variables ##################################################################
+################################################################################
+Breakpoint 1 at 0xf94: file ../main.c, line 8.
+Note: automatically using hardware breakpoints for read-only addresses.
+Loading section .text, size 0x2cc00 lma 0x0
+Loading section .ARM.exidx, size 0x8 lma 0x2cc00
+Loading section .relocate, size 0xa04 lma 0x2cc08
+Start address 0x00000000, load size 185868
+Transfer rate: 56 KB/sec, 968 bytes/write.
+### Output/messages ############################################################
+
+Breakpoint 1, main () at ../main.c:8
+8		oracle_init();
+### Assembly ###################################################################
+~
+~
+~
+~
+~
+!0x00000f94  main+0 push    {r3, lr}
+ 0x00000f96  main+2 ldr    r3, [pc, #12]    ; (0xfa4 <main+16>)
+ 0x00000f98  main+4 ldr    r4, [pc, #12]    ; (0xfa8 <main+20>)
+ 0x00000f9a  main+6 blx    r3
+ 0x00000f9c  main+8 ldr    r3, [pc, #12]    ; (0xfac <main+24>)
+### Breakpoints ################################################################
+[1] break at 0x00000f94 in ../main.c:8 for main hit 1 time
+### Expressions ################################################################
+### History ####################################################################
+### Memory #####################################################################
+### Registers ##################################################################
+        r0 0x0002cc08          r8 0x0000e31d             xpsr 0x61000000
+        r1 0x00000000          r9 0x0000ef7d            fpscr 0x00000000
+        r2 0x00f00000         r10 0x200035f0              msp 0x20011820
+        r3 0x00000f95         r11 0x200057a4              psp 0xfdff277c
+        r4 0x1ffffffd         r12 0x00000004          primask 0x00      
+        r5 0x00000000          sp 0x20011820          basepri 0x00      
+        r6 0x200035f0          lr 0x00000f65        faultmask 0x00      
+        r7 0x00010281          pc 0x00000f94          control 0x00      
+### Source #####################################################################
+~
+~
+~
+  1  #include "oracle.h"
+  2  #include "p_usart.h"
+  3  #include "p_i2c.h"
+  4  
+  5  
+  6  int main(void)
+  7  {
+! 8      oracle_init();
+  9      p_i2c_detect();
+ 10      for(;;)
+ 11      {
+ 12          oracle_service();
+ 13      }
+ 14  }
+~
+~
+~
+### Stack ######################################################################
+[0] from 0x00000f94 in main+0 at ../main.c:8
+### Threads ####################################################################
+[1] id -1 from 0x00000f94 in main+0 at ../main.c:8
+### Variables ##################################################################
+################################################################################
+[Inferior 1 (Remote target) detached]

software/firmware/oracle_same54n19a/main.c

@@ -1,10 +1,12 @@
 #include "oracle.h"
 #include "p_usart.h"
+#include "p_i2c.h"
 
 
 int main(void)
 {
 	oracle_init();
+	p_i2c_detect();
 	for(;;)
 	{
 		oracle_service();

software/firmware/oracle_same54n19a/shared/devices/.#p_screen.c

@@ -1 +0,0 @@
-penguin@gpenguin.13547:1645854517

software/firmware/oracle_same54n19a/shared/drivers/p_gpio.c

@@ -79,7 +79,8 @@ void p_gpio_parallel_write_arr(PortGroup* group, uint32_t mask, uint16_t* data,
 
 void p_gpio_set_port_data(PortGroup* const port, const uint32_t mask, const uint32_t data)
 {
-	uint32_t dword = (uint32_t)(SSD1963_TFT_DATA_FIX(data));
+	// SSD1963_TFT_DATA_FIX() was used for the old project with the old pin layout. The new board doesn't need it.
+	//uint32_t dword = (uint32_t)(SSD1963_TFT_DATA_FIX(data));
 	port->OUTSET.reg = (mask & data);
 	port->OUTCLR.reg = (mask & ~data);
 }

software/firmware/oracle_same54n19a/shared/drivers/p_i2c.c

@@ -1,32 +1,80 @@
 #include "p_i2c.h"
+#include "p_usart.h"
+#include "hal_init.h"
+#include "pc_board.h"
+
 
 struct i2c_m_sync_desc p_i2c_master;
 
 void p_i2c_init(void)
 {
-	//// clock init
-	//hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_CORE, CONF_GCLK_SERCOM3_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
-	//hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_SLOW, CONF_GCLK_SERCOM3_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
-//
-	//hri_mclk_set_APBBMASK_SERCOM3_bit(MCLK);
-	//
-	//i2c_m_sync_init(&p_i2c_master, I2C_MASTER_SERCOM);
-	//
-	//// port init
-	//gpio_set_pin_pull_mode(I2C_MASTER_SDA, GPIO_PULL_OFF);
-	//gpio_set_pin_function(I2C_MASTER_SDA, I2C_MASTER_SDA_MUX);
-	//gpio_set_pin_pull_mode(I2C_MASTER_SCL, GPIO_PULL_OFF);
-	//gpio_set_pin_function(I2C_MASTER_SCL, I2C_MASTER_SCL_MUX);
-}
-
-//
-//void I2C_0_example(void)
-//{
-	//struct io_descriptor *I2C_0_io;
-//
-	//i2c_m_sync_get_io_descriptor(&I2C_0, &I2C_0_io);
-	//i2c_m_sync_enable(&I2C_0);
-	//i2c_m_sync_set_slaveaddr(&I2C_0, 0x12, I2C_M_SEVEN);
-	//io_write(I2C_0_io, (uint8_t *)"Hello World!", 12);
-//}
-//
+	// clock init
+	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_CORE, CONF_GCLK_SERCOM3_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
+	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_SLOW, CONF_GCLK_SERCOM3_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
+
+	hri_mclk_set_APBBMASK_SERCOM3_bit(MCLK);
+	
+	i2c_m_sync_init(&p_i2c_master, SERCOM3);
+	
+	// port init
+	gpio_set_pin_pull_mode(I2C_MASTER_SDA,
+	                       // <y> Pull configuration
+	                       // <id> pad_pull_config
+	                       // <GPIO_PULL_OFF"> Off
+	                       // <GPIO_PULL_UP"> Pull-up
+	                       // <GPIO_PULL_DOWN"> Pull-down
+	                       GPIO_PULL_OFF);
+
+	gpio_set_pin_function(I2C_MASTER_SDA, I2C_MASTER_SDA_MUX);
+
+	gpio_set_pin_pull_mode(I2C_MASTER_SCL,
+	                       // <y> Pull configuration
+	                       // <id> pad_pull_config
+	                       // <GPIO_PULL_OFF"> Off
+	                       // <GPIO_PULL_UP"> Pull-up
+	                       // <GPIO_PULL_DOWN"> Pull-down
+	                       GPIO_PULL_OFF);
+
+	gpio_set_pin_function(I2C_MASTER_SCL, I2C_MASTER_SCL_MUX);
+	
+	i2c_m_sync_enable(&p_i2c_master);
+}
+
+int p_i2c_write(const uint8_t* const data, uint16_t data_len)
+{
+	return io_write(&p_i2c_master.io, data, data_len);
+}
+
+int p_i2c_read(uint8_t* data, uint16_t len)
+{
+	return io_read(&p_i2c_master.io, data, len);
+}
+
+void p_i2c_detect(void)
+{
+	PDEBUG("   ");
+	for(int ind = 0; ind < 16; ind++)
+	{
+		PDEBUG(" %02x", ind);
+	}
+	uint8_t data = 0x00;
+	for(int ind = 0; ind <= 119; ind++)
+	{
+		if (ind % 16 == 0)
+		{
+			PDEBUG("\r\n%02x:", ind & 0xF0);
+		}
+		i2c_m_sync_set_slaveaddr(&p_i2c_master, ind, I2C_M_SEVEN);
+		int ret = p_i2c_write(&data, 1);
+		if(ret != 1)
+		{
+			PDEBUG(" --");
+		}
+		else
+		{
+			PDEBUG(" %02x", ind);
+		}
+	}
+	PDEBUG("\r\n");
+}
+

software/firmware/oracle_same54n19a/shared/drivers/p_i2c.h

@@ -7,4 +7,5 @@ extern struct i2c_m_sync_desc p_i2c_master;
 
 void p_i2c_init(void);
 
+void p_i2c_detect(void);
 #endif