annotate src/cs/drivers/drv_app/r2d/lcds/c139/r2d_task_init_i.c @ 281:a75eefbf8be4

Phone boot with PWON: weed out short button presses Every standard end user phone has a design provision, most naturally implemented in firmware, whereby the PWON button effects a boot only if it is held down long enough - short presses of this PWON button are detected, assumed to be spurious and cause the fw to power back off instead of proceeding with boot. The present change introduces this standard function in FreeCalypso.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 24 Sep 2021 02:03:08 +0000
parents 502a0a3f6a49
children
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1 #include "r2d/lcds/c139/colors.h"
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3 #define R2D_MB_PRIM_SIZE 4000
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5 extern void c139_lcd_ctrl_cmd(UINT8 cmd, UINT8 param);
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6 extern void c139_set_lcd_addr_region(UINT8 xstart, UINT8 xend,
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7 UINT8 ystart, UINT8 yend);
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8 extern void c139_lcd_send_pix(UINT16 pixval);
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10 void uwire_init_lcd(void)
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11 {
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12 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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13 * ( UINT16 *) CNTL_RST |= (0x04); // set reset_out to 0
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14 rvf_delay(RVF_MS_TO_TICKS(5)); // waits for 5 ms
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15 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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17 * (volatile UINT16 *) SR1 = CS0_FRQ_FINT_2;
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18 * (volatile UINT16 *) SR3 = SR3_CLK_EN; // enables the uwire clock
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19 * (volatile UINT16 *) CSR = INDEX_CS0; // selects CS0
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20 }
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22 static void r2d_refresh_task_init(void)
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23 {
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24 UINT16 i;
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26 uwire_init_lcd();
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27 rvf_delay(RVF_MS_TO_TICKS(5)); // waits for 5 ms
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29 /* LCD controller init */
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30 c139_lcd_ctrl_cmd(0x3F, 0x01);
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31 c139_lcd_ctrl_cmd(0x20, 0x03);
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32 c139_lcd_ctrl_cmd(0x31, 0x03);
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34 /* initial hw framebuffer clearing */
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35 c139_set_lcd_addr_region(0, 95, 0, 63);
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36 for (i = 0; i < 96 * 64; i++)
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37 c139_lcd_send_pix(LCD16_COLOR_WHITE);
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38 }
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40 static void r2d_refresh_task_kill(void)
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41 {
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42 }
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44 static void r2d_dithering_init(void)
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45 {
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46 R2D_MALLOC(r2d_mb_id,UINT32,sizeof(UINT32)*4,r2d_g_dithering_matrix);
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47 r2d_g_dithering_matrix[0]=0;
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48 r2d_g_dithering_matrix[1]=2;
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49 r2d_g_dithering_matrix[2]=3;
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50 r2d_g_dithering_matrix[3]=1;
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51 }