1 /* microbit.c - BBC micro:bit specific hooks */
6  * SPDX-License-Identifier: Apache-2.0
23 #define BUZZER_PWM_CHANNEL 0
27 #define SEQ_PAGE     (NRF_FICR->CODEPAGESIZE * (NRF_FICR->CODESIZE - 1))
28 #define SEQ_MAX      (NRF_FICR->CODEPAGESIZE * 8 * SEQ_PER_BIT)
57 		if (target > 0x0009) {  in button_pressed()
62 					 2 * MSEC_PER_SEC, "%X", (target & 0xf));  in button_pressed()
86 		return 0;  in get_period()
89 	for (i = 0; i < ARRAY_SIZE(period_map); i++) {  in get_period()
107 		uint32_t period, duration = 0U;  in board_play_tune()
109 		while (*str && isdigit((unsigned char)*str) == 0) {  in board_play_tune()
113 		while (isdigit((unsigned char)*str) != 0) {  in board_play_tune()
115 			duration += *str - '0';  in board_play_tune()
123 		if (str[1] == '#') {  in board_play_tune()
133 				PWM_USEC(period) / 2U, 0);  in board_play_tune()
139 		pwm_set(pwm, BUZZER_PWM_CHANNEL, 0, 0, 0);  in board_play_tune()
147 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_heartbeat()
148 			 { 1, 1, 1, 1, 1 },  in board_heartbeat()
149 			 { 1, 1, 1, 1, 1 },  in board_heartbeat()
150 			 { 1, 1, 1, 1, 1 },  in board_heartbeat()
151 			 { 1, 1, 1, 1, 1 }),  in board_heartbeat()
152 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_heartbeat()
153 			 { 1, 1, 1, 1, 1 },  in board_heartbeat()
154 			 { 1, 1, 0, 1, 1 },  in board_heartbeat()
155 			 { 1, 1, 1, 1, 1 },  in board_heartbeat()
156 			 { 1, 1, 1, 1, 1 }),  in board_heartbeat()
157 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_heartbeat()
158 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
159 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
160 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
161 			 { 1, 1, 1, 1, 1 }),  in board_heartbeat()
162 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_heartbeat()
163 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
164 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
165 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
166 			 { 1, 1, 1, 1, 1 }),  in board_heartbeat()
167 		MB_IMAGE({ 1, 0, 1, 0, 1 },  in board_heartbeat()
168 			 { 0, 0, 0, 0, 0 },  in board_heartbeat()
169 			 { 1, 0, 0, 0, 1 },  in board_heartbeat()
170 			 { 0, 0, 0, 0, 0 },  in board_heartbeat()
171 			 { 1, 0, 1, 0, 1 })  in board_heartbeat()
179 				 &hops_img[hops - 1], 1);  in board_heartbeat()
187 	printk("board_other_dev_pressed(0x%04x)\n", addr);  in board_other_dev_pressed()
190 			 (addr & 0xf));  in board_other_dev_pressed()
197 		MB_IMAGE({ 0, 0, 0, 0, 0 },  in board_attention()
198 			 { 0, 0, 0, 0, 0 },  in board_attention()
199 			 { 0, 0, 1, 0, 0 },  in board_attention()
200 			 { 0, 0, 0, 0, 0 },  in board_attention()
201 			 { 0, 0, 0, 0, 0 }),  in board_attention()
202 		MB_IMAGE({ 0, 0, 0, 0, 0 },  in board_attention()
203 			 { 0, 1, 1, 1, 0 },  in board_attention()
204 			 { 0, 1, 1, 1, 0 },  in board_attention()
205 			 { 0, 1, 1, 1, 0 },  in board_attention()
206 			 { 0, 0, 0, 0, 0 }),  in board_attention()
207 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_attention()
208 			 { 1, 1, 1, 1, 1 },  in board_attention()
209 			 { 1, 1, 0, 1, 1 },  in board_attention()
210 			 { 1, 1, 1, 1, 1 },  in board_attention()
211 			 { 1, 1, 1, 1, 1 }),  in board_attention()
212 		MB_IMAGE({ 1, 1, 1, 1, 1 },  in board_attention()
213 			 { 1, 0, 0, 0, 1 },  in board_attention()
214 			 { 1, 0, 0, 0, 1 },  in board_attention()
215 			 { 1, 0, 0, 0, 1 },  in board_attention()
216 			 { 1, 1, 1, 1, 1 }),  in board_attention()
258 		return -EINVAL;  in configure_buttons()
274 		return -ENODEV;  in board_init()
277 	*addr = NRF_UICR->CUSTOMER[0];  in board_init()
278 	if (!*addr || *addr == 0xffff) {  in board_init()
282 		*addr = 0x0b0c;  in board_init()
287 			 "0x%04x", *addr);  in board_init()